SMBJ54A-HR 데이터 시트보기 (PDF) - Littelfuse, Inc

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SMBJ54A-HR

Transient Voltage Suppression Diodes

Littelfuse, Inc 

Transient Voltage Suppression Diodes

Surface Mount – 600W > SMBJ-HR series

Group B Test Requirement

Screen

Method TVS DCioondditeionArrays (SPAR™eFquairmemielynt of Products)

Surge test

Burn - In

(HTRB)

10/1000 µs Peak

Pluse Waveform

Maximum clamping

Voltage (VC) @ Peak

Plus Current (IPP)

MIL -STD-750,

Method 1038.5

Applied voltage

100% VR@150°C

Sample Size 45 perform 10x

Accept 0 failures

Sample size 45

340 hours (680 hours for

bi-direction products, each

direction 340 hours)

Accept 0 failures

Electrical test

--

IR@VR, V(BR)@IT

Sample size 45

Accept 0 failures

I-V Curve Characteristics

Uni-directional

Bi-directional

Ipp

Vc VBR VR

IR VF

V

IT

Vc VBR VR

IT

IR

IR

IT

V

VR VBR Vc

Ipp

Ipp

PPPM Peak Pulse Power Dissipation -- Max power dissipation

VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation

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

VC Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)

IR Reverse Leakage Current -- Current measured at VR

VF Forward Voltage Drop for Uni-directional

Ratings and Characteristic Curves (TA=25°C unless otherwise noted)

Figure 1 - TVS Transients Clamping Waveform

Figure 2 - Peak Pulse Power Rating

Voltage Transients

100

Voltage Across TVS

Current Through TVS

Time

85

10

1

0.2x0.2" (5.0x5.0mm)

Copper Pad Area

0.1

0.000001

0.00001

0.0001

td-Pulse Width (sec.)

0.001

continues on next page.

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