1500 Vdc isolation in smallest size available

1st August 2013
Posted By : Raj Joshi
1500 Vdc isolation in smallest size available

Coilcraft have today announced a new series of miniature flyback transformers, the LPD5030V Series. Providing 1500 Vdc (1000 Vrms) winding-to-winding isolation in the smallest package size available, the compact and low-profile LPD5030V Series transformers have a 1:1 turns ratio and an excellent coupling coefficient of K ≥ 0.97.

Measuring just 2.9 mm in height and 4.8mm in width and length, the compact and low-profile LPD5030V Series transformers are a very cost-effective solution for high-density, isolated circuit applications. The new Coilcraft transformers feature inductance values from 4.7 uH to 220 uH and current ratings to 1.9 Amps. The LPD5030V Series transformers can also be used as coupled shielded power inductors in SEPIC converters or as common mode chokes.

Thanks to its unique design, the LPD5030V Series is UL Functional Safety Listed for TNV-1 to SELV applications. It therefore offers functional insulation with a 60Vdc maximum, 42.4 V peak input/output voltages and working voltages to 210 Vdc. The new transformers are also RoHS compliant and halogen free.

Key features:

  • 1 : 1 flyback transformer with 1500 Vdc (1000 Vrms) winding-to-winding isolation,
  • Functional Safety Listed by UL,
  •  Only 2.9 mm high and 4.8 mm square,
  • Can be used as coupled shielded power inductors in SEPIC applications or as common mode chokes,
  • See Selecting inductors for SEPIC,
  • Excellent coupling coefficient: K = 0.97 or greater,
  • RoHS-compliant, halogen free. 260°C compatible. Silver-palladium-platinum-glass frit terminations.

Pricing and availability

The LPD5030V Series is priced at $1.17 (USD) each in 1,500 unit quantities. Parts are available from stock and can be ordered from Coilcraft online or by calling a local sales office. Free evaluation samples are available and will be shipped the same day when requested from the Coilcraft web site.

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