Power Electronics
Low-cost Miniature Transformers Offer 1500 Vdc Isolation

Low-cost Miniature Transformers Offer 1500 Vdc Isolation

Coilcraft's new LPD5030V Series miniature flyback transformers offer 1500 Vdc (1000 Vrms) winding-to-winding isolation in the smallest package size available, making them a cost-effective solution for high-density, isolated circuit applications.

These compact, low-profile transformers are only 2.9 mm high and measure 4.8 mm square. They have a 1:1 turns ratio and an excellent coupling coefficient (K ≥0.97). Offered with inductance values from 4.7 uH to 220 uH and current ratings to 1.9 Amps, they can also be used as coupled shielded power inductors in SEPIC converters or as common mode chokes.

The unique design of the LPD5030V Series allows it to be UL Functional Safety Listed for TNV-1 to SELV applications: functional insulation with a 60Vdc maximum, 42.4 V peak input/output voltages and working voltages to 210 Vdc. It is also RoHS compliant and halogen free.

Pricing for the LPD5030V is $1.17 each at 1,500 pieces.   Parts are available from stock and can be ordered on-line at buy.coilcraft.com or by calling a local Coilcraft sales office. As with all Coilcraft products, free evaluation samples are available and shipped the same day when requested from the Coilcraft web site.

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