1SMA4743

更新时间： 2024-01-29 09:19:00

品牌	Logo	应用领域
SSC		二极管齐纳二极管
页数	文件大小	规格书
4页	201K
描述
SURFACE MOUNT SILICON ZENDER DIODE

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技术参数
数据手册

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1SMA4743 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	R-PDSO-C2	Reach Compliance Code：	compliant
风险等级：	5.64	配置：	SINGLE
二极管元件材料：	SILICON	二极管类型：	ZENER DIODE
JESD-30 代码：	R-PDSO-C2	元件数量：	1
端子数量：	2	最高工作温度：	150 °C
最低工作温度：	-65 °C	封装主体材料：	PLASTIC/EPOXY
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	极性：	UNIDIRECTIONAL
最大功率耗散：	1 W	参考标准：	AEC-Q101
标称参考电压：	13 V	表面贴装：	YES
技术：	ZENER	端子形式：	C BEND
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
最大电压容差：	5%	工作测试电流：	19 mA
Base Number Matches：	1

1SMA4743 数据手册

1SMA4741 thru 1SMA200Z

RATINGS ANAD CHARACTERISTIC CURVES (1SMA4741 THRU 1SMA200Z)

FIG.6- TYPICAL CAPACITANCE versus Vz

FIG.7- TEMPERATURE COEFFICIENTS

400

a-RANGE FOR UNITS TO 12 VOLTS

300

+12

200

+10

+8.0

+6.0

0V BIAS

1.0V BIAS

100

+4.0

+2.0

VZ @ IZT

RANGE

50% OF BREAKDOWN BIAS

-2.0

-4.0

100

VZ, FORWARD VOLTAGE (VOLTS)

VZ, ZENER VOLTAGE (VOLTS)

FIG.8- TEMPERATURE COEFFICIENTS

b-RANGE FOR UNITS 11 TO 100 VOLTS

FIG.9- EFFECT OF ZENER CURRENT

+6.0

+4.0

100

VZ @ IZT

TJ=25 ^o

+2.0

20mA

VZ @ IZT

RANGE

-2.0

-4.0

0.01mA

1.0mA

NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS

CHANGES IN ZENER CURRENT OO NOT

AFFECT TEMPERATURE COEFFICIENTS

100

, ZENER VOLTAGE (VOLTS)

VZ, ZENER VOLTAGE (VOLTS)

FIG.10- MAXIMUM SURGE POWER

100

RECTANGULAR

WAVEFORM

TJ = 25^oC PRIOR TO

INITIAL PULSE

20% DUTY CYCLE

0.01

0.02

0.05

0.1

0.2

0.5

100

200

500

1000

PW, PULSE WIDTH (ms)

Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no

guarantee or warranty, expressed or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no

responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its

use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including

without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to

the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of

Silicon Standard Corporation or any third parties.

08/22/2007 Rev.1.00

www.SiliconStandard.com

1 2 34

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