TFPT0603价格

参考价格:¥4.9480

型号:TFPT0603L1000FV 品牌:Vishay 备注:这里有TFPT0603多少钱,2025年最近7天走势,今日出价,今日竞价,TFPT0603批发/采购报价,TFPT0603行情走势销售排行榜,TFPT0603报价。
型号 功能描述 生产厂家 企业 LOGO 操作
TFPT0603

Linear PTC Thermistors, Surface Mount Chip

文件:89.42 Kbytes Page:4 Pages

VishayVishay Siliconix

威世威世科技公司

TFPT0603

SMD PTC - Nickel Thin Film Linear Thermistors

文件:88.21 Kbytes Page:5 Pages

VishayVishay Siliconix

威世威世科技公司

TFPT0603

Nickel Thin Film Linear Thermistors

文件:103.33 Kbytes Page:5 Pages

VishayVishay Siliconix

威世威世科技公司

TFPT0603

SMD PTC - Nickel Thin Film Linear Thermistors

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 , ± 1 , ± 5 • Operation range -55 °C to +150 °C • High stability over the entire temperature range

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

SMD PTC - Nickel Thin Film Linear Thermistors

FEATURES • Alumina substrate base with nickel based PTC thin film element • 0402, 0603, 0805, and 1206 sizes available • Available in tape and reel packaging • Standard R25 tolerances: ± 0.5 %, ± 1 %, ± 5 % • Operation range -55 °C to +150 °C • High stability over the entire tem

VishayVishay Siliconix

威世威世科技公司

TFPT0603产品属性

  • 类型

    描述

  • 型号

    TFPT0603

  • 制造商

    VISHAY

  • 制造商全称

    Vishay Siliconix

  • 功能描述

    Linear PTC Thermistors, Surface Mount Chip

更新时间:2025-11-20 20:21:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
VISHAY/威世
23+
0603
12700
买原装认准中赛美
Vishay(威世)
24+
标准封装
12848
原厂直销,大量现货库存,交期快。价格优,支持账期
VISHAY/威世
25+
0603
32360
VISHAY/威世全新特价TFPT0603L1001FM即刻询购立享优惠#长期有货
VISHAY/威世
2450+
NA
9850
只做原厂原装正品现货或订货假一赔十!
VISHAY/DALE
23+
SMD
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
VISHAY
23+
0603TEM
9868
专做原装正品,假一罚百!
Vishay
2018+
26976
代理原装现货/特价热卖!
BCCOMPONENTSVISHAY
22+
N/A
9000
现货,原厂原装假一罚十!
VISHAY(威世)
2021+
0603
499
VISHAY/威世
23+
N/A
1737
原装正品实单必成

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