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型号	功能描述	生产厂家企业	LOGO
SMA47	UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS STAND-OFF VOLTAGE - 6.8 to 200 Volts POWER DISSIPATION - 400 WATTS FEATURES ● Rating to 200V VBR ● For surface mounted applications ● Reliable low cost construction utilizing molded plastic technique ● Plastic material has UL flammability classification 94V-O ● Typical IR less than 1uA above	LITEON 光宝科技	LITEON
SMA47	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4727A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4728A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4728A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4728A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4728A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4728A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4728A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4728A	丝印代码：728A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING
SMA4728A	ZENER DIODE 1W WIDE ZENER VOLTAGE 3.3V TO 330V DESCRIPTION The SMA4728A ~ SMA4777A are available in SMA p ackage. FEATURES ⚫ Total power dissipation: Max. 1 W. ⚫ Wide zener reverse voltage range 3.3V to 330V. ⚫ Small plastic package suitable for surface mounted design. ⚫ Available in SMA p ackage MECHANICAL DATA Case: SMA Term	AITSEMI 创瑞科技	AITSEMI
SMA4729A	ZENER DIODE 1W WIDE ZENER VOLTAGE 3.3V TO 330V DESCRIPTION The SMA4728A ~ SMA4777A are available in SMA p ackage. FEATURES ⚫ Total power dissipation: Max. 1 W. ⚫ Wide zener reverse voltage range 3.3V to 330V. ⚫ Small plastic package suitable for surface mounted design. ⚫ Available in SMA p ackage MECHANICAL DATA Case: SMA Term	AITSEMI 创瑞科技	AITSEMI
SMA4729A	丝印代码：729A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING
SMA4729A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4729A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4729A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4729A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4729A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4729A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4730A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4730A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4730A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4730A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4730A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4730A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4730A	丝印代码：730A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING
SMA4730A	ZENER DIODE 1W WIDE ZENER VOLTAGE 3.3V TO 330V DESCRIPTION The SMA4728A ~ SMA4777A are available in SMA p ackage. FEATURES ⚫ Total power dissipation: Max. 1 W. ⚫ Wide zener reverse voltage range 3.3V to 330V. ⚫ Small plastic package suitable for surface mounted design. ⚫ Available in SMA p ackage MECHANICAL DATA Case: SMA Term	AITSEMI 创瑞科技	AITSEMI
SMA4731A	ZENER DIODE 1W WIDE ZENER VOLTAGE 3.3V TO 330V DESCRIPTION The SMA4728A ~ SMA4777A are available in SMA p ackage. FEATURES ⚫ Total power dissipation: Max. 1 W. ⚫ Wide zener reverse voltage range 3.3V to 330V. ⚫ Small plastic package suitable for surface mounted design. ⚫ Available in SMA p ackage MECHANICAL DATA Case: SMA Term	AITSEMI 创瑞科技	AITSEMI
SMA4731A	丝印代码：731A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING
SMA4731A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4731A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4731A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4731A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4731A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4731A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4732A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4732A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4732A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4732A	丝印代码：732A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING
SMA4732A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4732A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4732A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4732A	ZENER DIODE 1W WIDE ZENER VOLTAGE 3.3V TO 330V DESCRIPTION The SMA4728A ~ SMA4777A are available in SMA p ackage. FEATURES ⚫ Total power dissipation: Max. 1 W. ⚫ Wide zener reverse voltage range 3.3V to 330V. ⚫ Small plastic package suitable for surface mounted design. ⚫ Available in SMA p ackage MECHANICAL DATA Case: SMA Term	AITSEMI 创瑞科技	AITSEMI
SMA4733A	ZENER DIODE 1W WIDE ZENER VOLTAGE 3.3V TO 330V DESCRIPTION The SMA4728A ~ SMA4777A are available in SMA p ackage. FEATURES ⚫ Total power dissipation: Max. 1 W. ⚫ Wide zener reverse voltage range 3.3V to 330V. ⚫ Small plastic package suitable for surface mounted design. ⚫ Available in SMA p ackage MECHANICAL DATA Case: SMA Term	AITSEMI 创瑞科技	AITSEMI
SMA4733A	丝印代码：733A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING
SMA4733A	Surface Mount Zener Diodes Features ●Glass passivated chip ●Low leakage ●Built-in strain relief ●Low inductance ●High peak reverse power dissipation ●RoHS compliant ●For use in stabilizing and clipping circuits with high power rating	ANOVA 林朋科技	ANOVA
SMA4733A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4733A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4733A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4733A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4733A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4733A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4734A	Surface Mount Zener Diodes 1W Surface Mount Zener Diodes 1W	FORMOSA 美丽微半导体	FORMOSA
SMA4734A	Surface Mount Zener Diodes FEATURES Low profile package Ideal for automated placement Glass passivated chip junction High forward surge capability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C	RFE RFE international	RFE
SMA4734A	1W GLASS PASSIVATED JUNCTION SILICON ZENER DIODE FEATURES ● Glass passivated chip ● Low leakage ● Built-in strain relief ● Low inductance ● High peak reverse power dissipation ● Lead (Pb)-free component ● For use in stabilizing and clipping circuits with high power	CHENG-YI 辰頤电子	CHENG-YI
SMA4734A	Zener Diodes ■ Features ● Ptot 1.0W ● Vz 3.3V-100V ■ Applications ● Stabilizing Voltage	YANGJIE 扬杰电子	YANGJIE
SMA4734A	SMA4728A - SZ1330A Series VZ: 3.3 To 330 V PD: 1 W Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4734A	Surface Mount Zener Diodes Features ◆ Glass passivated chip ◆ Low leakage ◆ Built-in strain relief ◆ Low inductance ◆ High peak reverse power dissipation ◆ Lead-Free component ◆ For use in stabilizing and clipping with high power rating	SOCAY 硕凯股份	SOCAY
SMA4734A	Surface Mount Zener Diodes Features ●Glass passivated chip ●Low leakage ●Built-in strain relief ●Low inductance ●High peak reverse power dissipation ●RoHS compliant ●For use in stabilizing and clipping circuits with high power rating	ANOVA 林朋科技	ANOVA
SMA4734A	丝印代码：734A；1W Silicon Planar Zener Diodes FEATURE • Standard zener voltage tolerance is ± 5. • Voltage Range 3.3 to 100 Volts • Low zener impedance • Low regulation factor • Glass passivated junction • High reliability	JUXING 广东钜兴电子	JUXING

SMA47产品属性

类型
描述
VZ@IZT(V)：
3
IZT(mA)：
80
ZZT@IZT(Ω)：
10
ZZK@IZK(Ω)：
400
IZK(mA)：
1
IR@VR(μA)：
100
IR@VR(V)：
1
Izm(mA)：
288
VF@IF=200mA(V)：
1.2
RθJA(℃/W)：
170
Tj（℃）：
-55～+150
PD(W)：
1
Status：
Active

SMA47供应商更多...

更新时间：2026-5-14 11:47:00

IC供应商	芯片型号	品牌	批号	封装	库存	备注	价格
深圳市赛美科科技有限公司	SMA4751	SECOS	新年份	SMA(DO-214AC)	85000	原装正品大量现货,要多可发货,实单带接受价来谈!	询价
洪芯国际半导体（深圳）有限公司	SMA4734A	SeCoS	26+	SOT-89	86720	代理授权原装正品价格最实惠本公司承诺假一赔百	询价
深圳市美思瑞电子科技有限公司	SMA4734A	SECOS	22+	SMA	12245	现货,原厂原装假一罚十!	询价
深圳市华来深电子有限公司	SMA4745A	COMON	23+	SMA	8560	受权代理!全新原装现货特价热卖!	询价
深圳市中联芯电子有限公司	SMA4746A	COMON	25+	SMA	18000	原装正品有挂有货假一赔十	询价
富凯科技(深圳）有限公司	SMA4727A	YANGJIE/扬杰科技	24+	SMA	8000	只做原装，欢迎询价，量大价优	询价
中天科工半导体（深圳）有限公司	SMA4734A	SECOS/喜可士	25+	DO-214AC	45547	SECOS/喜可士全新特价SMA4734A即刻询购立享优惠#长期有货	询价
深圳市科恒伟业电子有限公司	SMA4758A	FORMOSA	2450+	DO214A	6540	只做原装正品现货或订货!终端客户免费申请样品!	询价
贸泽芯城（深圳）电子科技有限公司	SMA4762A	扬杰	23+	SMA	11200	原厂授权一级代理、全球订货优势渠道、可提供一站式BO	询价
现代芯城（深圳）科技有限公司	SMA4764A		26+	N/A	75000	一级代理-主营优势-实惠价格-不悔选择	询价

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找IC，尽在114IC

SMA47产品属性

SMA47供应商更多...

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SMA47规格书下载地址

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SMA5J5.0A

SM8S36AHE3/2D原装现货/长期供应

DdatasheetPDF页码索引