Inductors and transformers ruggedised for military/aerospace power applications

2 November 2005 Passive Components

A new series of inductors and transformers for modern military and aerospace power applications has been introduced by Pulse. The SLED PL8100 series rail-mount inductors use a ruggedised header for durable board connections while the SLIC PL8200 and PL8300 series contain self-leaded package transformers and inductors with ruggedised construction. The POGO PL8400 series has an open construction with pad-mounted transformers for robust board mounting.

Pulse's military off-the-shelf (MOTS) catalogue power components meet modern military and aerospace mechanical and electrical design requirements. SLED toroid surface mount inductors use two rails for board mounting and cores bonded to high-temperature headers for durability and mechanical strength. Current ratings up to 14,3 A d.c. and frequencies up to 1 MHz are currently available. SLEDs come in four package sizes.

SLICs are available as inductors and transformers. The structural header is bonded to the cores and lead wires for increased mechanical durability. The footprint is 31 x 25,4 mm maximum with a maximum height of 12,7 mm. Current rating is up to 38 A d.c. and inductance range is 1,1 to 18,1 μH.

The POGO and SLED transformers and inductors have pad or rail mounting configurations used for both surface board mounting and electrical connection. Packages are available in sizes from 10,25 x 8,75 x 6,35 mm high to 32 x 27 x 12 mm high. Current rating up to 23,8 A d.c. and operating frequencies to 1 MHz are currently available. All parts can withstand -55 to 130°C.

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