Datasheet > 1SMA4743A

1SMA4743A

更新时间： 2023-12-06 19:45:54

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数据手册

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1SMA4743A 数据手册

1SMA4728A – SZ1330A

WON-TOP ELECTRONICS

1.0

0.8

0.6

500

450

400

350

300

250

200

150

100

Mounted on FR-4 PCB with

8.0 x 8.0 x 2.0mm Copper Pads

V_Z@ I_ZT

0.4

0.2

100

125

150

100

V_Z, ZENER VOLTAGE (V)

Fig. 2 Typical Temperature Coefficients

150

200

250

300

T_L, LEAD TEMPERATURE (°C)

Fig. 1 Power Derating Curve

10000

1000

100

1000

T_J= 25°C

_Z(RMS)= 0.1 I_Z(DC)

I_ZT= 5.0mA

T_J= 25°C

I_ZT= 10mA

I_ZT= 20mA

V_Z= 200V

V_Z= 180V

V_Z= 150V

100

V_Z= 91V

V_Z= 56V

I_ZT= 100mA

V_Z= 30V

V_Z= 6.2V

100

0.1

0.5

500

100

1000

I_ZT, ZENER TEST CURRENT (mA)

Fig. 3 Dynamic Resistance vs. Zener Current

V_Z, ZENER VOLTAGE (V)

Fig. 3 Dynamic Resistance vs. Zener Voltage

1000

100

Zero Bias

50% V_ZBias

0.1

T_J= 25°C

Pulse Width = 300µs

1% Duty Cycle

T_J= 25°C

f = 1MHz

0.01

0.6

0.8

1.0

1.2

1.4

1.6

100

V_F, INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 5 Typical Forward Characteristics

V_Z, NOMINAL ZENER VOLTAGE (V)

Fig. 6 Junction Capacitance vs. Nominal Zener Voltage

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Revision: September, 2012

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