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Oct 27, 2024

MIL-STD grade TVS protection for aircraft

ProTek Devices has introduced a pair of 15kW transient voltage suppressors for 28V aircraft circuits. “The devices meet compliance for MIL-STD-704 and MIL-STD-19500, in addition to being RTCA DO-160G

ProTek Devices has introduced a pair of 15kW transient voltage suppressors for 28V aircraft circuits.

“The devices meet compliance for MIL-STD-704 and MIL-STD-19500, in addition to being RTCA DO-160G compliant,” according to the company.

They are called:

Both are rated to 15kW 10/1,000µs pulses, but the larger …T version can handle higher power pulses when they are longer than 1ms in duration – for example: ~5.6kW against ~4.5kW at 10ms.

10/1,000µs power rating is at 25°C, above which it drops linearly to 40% at +150°C – operation is across -55 to +150°C

Both will stand-off 31.5V (max leakage 10μA) and have a minimum breakdown of 36V. Maximum clamping is 53V at 300A, which is the maximum rated current.

These devices are diodes, clamping by revers conduction. Forward conduction is 3V max during a 100A 60Hz half-sine pulse*.

Each device is 100 percent tested.

Use is also expected in non-military applications such as induced lightning protection on equipment on rural or remote transmission lines.

ProTek Devices has been in business more than 30 years and is based in Tempe Arizona.

Find the PAL704-P15K36(T) data sheet here

*An earlier version of this article stated that the forward drop of the heavier ..T version was 15V. This was based on a data sheet error that has now ben corrected.