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Switch Mode Power Supply Inductors

API Technologies offers a family of ruggedly manufactured switch mode power supply inductors designed to filter out noise currents from various electrical and electronic power control circuits.  After years of research and development, we produce inductors that utilize newly developed materials, designs, and processes, setting new standards for performance in several areas of the inductors market.

  • Available in medium-current and high-current toroid type
  • 10 watts to 1,000 watts with low power losses
  • Filter inductors, toroidal current sense transformers and high frequency inverter transformers
  • Performance verified in 25kHz power supply
  • Switching frequencies from 5 to 100 kHz
  • Open winding, semi-encapsulated and encapsulated construction
  • Custom designs up to 200 amps
  • AC electronic equipment
  • Radio equipment
  • Energy storage

Switching Inductors

4552 Series Medium Current, Toroid type, Core type: 0.50" O.D.
4553 Series Medium Current, Toroid type, Core type: 0.68" O.D.
4554 Series Medium Current, Toroid type, Core type: 0.80" O.D.
4555 Series Medium Current, Toroid type, Core type: 1.06" O.D.
4556 Series Medium Current, Toroid type, Core type: 1.30" O.D.
4557 Series Medium Current, Toroid type, Core type: 1.57" O.D.
4558 Series Medium Current, Toroid type, Core type: 0.50" O.D.
4559 Series Medium Current, Toroid type, Core type: 0.68" O.D.
4560 Series Medium Current, Toroid type, Core type: 0.80" O.D.
4561 Series Medium Current, Toroid type, Core type: 1.06" O.D.
4562 Series Medium Current, Toroid type, Core type: 1.30" O.D.
4563 Series Medium Current, Toroid type, Core type: 1.57" O.D.

Inductors

7231 Series (n) High Current Toroid Inductor [O.D. 0.875max; I.D. 0.187min]
7232 Series (n) High Current Toroid Inductor [O.D. 1.125max; I.D. 0.312min]
7233 Series (n) High Current Toroid Inductor [O.D. 1.25max; I.D. 0.375min]
7234 Series (n) High Current Toroid Inductor [O.D. 1.812max; I.D. 0.75min]
7235 Series (n) High Current Toroid Inductor [O.D. 2.125max; I.D. 0.625min]
8540-8548 Inductor Designed For National's 150kHz Simple Switcher TM

Miniature Drum Core Inductors

8400 Series Power, Ext. Temp. Range [ L/W/H (in) - .510 / .370 / .215 ]
8401 Series Power, Ext. Temp. Range [ L/W/H (mm) - 4.5 / 4.0 / 3.2 ]
8402 Series Power, Ext. Temp. Range [ L/W/H (in) - .260 / .175 / .115 ]
8403 Series Power, Ext. Temp. Range [ L/W/H (in) - .510 / .370 / .118 ]
8404 Series Power, Ext. Temp. Range [ L/W/H (in) - .730 / .600 / .280 ]
8405 Series Power, Ext. Temp. Range [ L/W/H (in) - .510 / .370 / .205 ]

High Frequency Circuits

8430 Series Multilayer Ceramic Chip Inductor
8431 Series Thin Film Ceramic Chip Inductor
8432 Series Wire Wound Ceramic Chip Inductor
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