Littelfuse SMCJ-HR Series Bedienungsanleitung PDF herunterladen (Seite 3)

Transient Voltage Suppression Diodes

TVS Diode Arrays (SPA

™

Family of Products)

Speciﬁcations are subject to change without notice.

Revised: 10/22/13

Surface Mount – 1500W > SMCJ-HR series

SMCJ-HR Series

TVS Diode Arrays (SPA

™

Family of Products)

I-V Curve Characteristics

Voltage Transients

Time

Voltage Across TVS

Current Through TVS

Voltage or Current

Figure 1 - TVS Transients Clamping Waveform

Ratings and Characteristic Curves (T

=25°C unless otherwise noted)

100

0.000001 0.000010.00010.001

-Pulse Width (sec.)

PPM

-Peak Pulse Power (kW)

0.31x0.31" (8.0x8.0mm)

Copper Pad Area

Figure 2 - Peak Pulse Power Rating

Uni-directional

Ipp

Bi-directional

PPM

Peak Pulse Power Dissipation -- Max power dissipation

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

Breakdown Voltage -- Maximum current that ﬂows though the TVS at a speciﬁed test current (I

)

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

Reverse Leakage Current -- Current measured at V

Forward Voltage Drop for Uni-directional

continues on next page.

Group B Test Requirement

Screen Method Condition Requirement

Surge test

10/1000 µs Peak

Pluse Waveform

Maximum Clamping

Voltage (V

) @ Peak

Plus Current (I

)

Sample size 45 perform 10x

Accept 0 failures

Burn-In

(HTRB)

MIL

-STD-750,

Method 1038.5

Applied Voltage

100% V

@150°C

Sample size 45

340 hours (680 hours for

bi-direction products, each

direction 340 hours)

Accept 0 failures

Electricaltest

, V(

)@I

Sample size 45

Accept 0 failures

1 2 3 4 5 6

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