1N6267A Series

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6

ambient temperature rises above 25

°C. The average power

derating curve normally given on data sheets may be

normalized and used for this purpose.

At first glance the derating curves of Figure 7 appear to be

in error as the 10 ms pulse has a higher derating factor than

the 10

ms pulse. However, when the derating factor for a

given pulse of Figure 7 is multiplied by the peak power value

of Figure 1 for the same pulse, the results follow the

expected trend.

TYPICAL PROTECTION CIRCUIT

V

V

LOAD

OVERSHOOT DUE TO

INDUCTIVE EFFECTS

t

t

Figure 8.

Figure 9.

UL RECOGNITION*

The

entire

series

has

Underwriters

Laboratory

Recognition for the classification of protectors (QVGV2)

under the UL standard for safety 497B and File #E210057.

Many competitors only have one or two devices recognized

or have recognition in a non-protective category. Some

competitors have no recognition at all. With the UL497B

recognition, our parts successfully passed several tests

including Strike Voltage Breakdown test, Endurance

Conditioning,

Temperature

test,

Dielectric

Voltage-

Withstand test, Discharge test and several more.

Whereas, some competitors have only passed a

flammability test for the package material, we have been

recognized for much more to be included in their Protector

category.

*Applies to 1.5KE6.8A, CA thru 1.5KE250A, CA

CLIPPER BIDIRECTIONAL DEVICES

1. Clipper-bidirectional devices are available in the

1.5KEXXA series and are designated with a “CA”

suffix; for example, 1.5KE18CA. Contact your nearest

ON Semiconductor representative.

2. Clipper-bidirectional part numbers are tested in both

directions to electrical parameters in preceding table

3. The 1N6267A through 1N6303A series are JEDEC

registered devices and the registration does not include

a “CA” suffix. To order clipper-bidirectional devices

one must add CA to the 1.5KE device title.