SM8S10 datasheet(2/4 Pages) ZSELEC

2 / 4 page

2 of 4

Z ibo Seno Electronic Engineering Co., Ltd.

www.senocn.com

SM8 S10 - SM8 S40A

RATINGS AND CHARACTERISTICS CURVES

(TA = 25 °C unless otherwise noted)

Figure 1. Power Derating Curve

Figure 2. Load Dump Power Characteristics

(10 ms Exponential Waveform)

2.0

4.0

6.0

8.0

100

150

200

Case Temperature (

°C)

2000

1000

3000

4000

5000

6000

100

125

150

175

Case Temperature (

°C)

Figure 3. Pulse Waveform

Figure 4. Reverse Power Capability

100

150

r = 10 µs

Peak Value

PPM

Half Value -

PPM

t - Time (ms)

J = 25 °C

Pulse Width (t

is defined as the Point

where the Peak Current

decays to 50 % of I

PPM

1000

10 000

100

Pulse Width (ms) - ½ IPP Exponential Waveform

Figure 5. Typical Transient Thermal Impedance

t - Pulse Width (s)

100

0.1

0.01

0.1

100

Figure 6. Typical Junction Capacitance

VWM - Reverse Stand-Off Voltage (V)

100 000

10 000

1000

J = 25 °C

f = 1.0 MHz

sig = 50 mVp-p

Measured at Stand-off

Voltage V

Measured at Zero Bias

PPPM

Peak Pulse Power Dissipation - Max power dissipation

VRWM Reverse Stand-off Voltage - Maximum voltage that can be applied to TVS without operation

VBR

Breakdown Voltage – Maximum voltage that flows though the TVS at a specified current (IT)

Clamping Voltage – Peak voltage measured across the TVS at a specified IPPM (peak impulse current)

Reverse Leakage Current – Current measured at VR

Forward Voltage Drop for Uni-directional

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