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Vishay Intertechnology Commercial Inductors Offer High Operating Temperatures

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Space-Saving Devices Feature Profiles as Low as 1.0 mm for Computer and Telecom Applications

Vishay Intertechnology, Inc. (NYSE: VSH) today introduced three new commercial IHLP® low profile, high current inductors with high operating temperatures up to +155 °C in the 3.3 mm by 3.3 mm 1212 case size — the company’s smallest to date. Designed to save space in computer and telecom applications, the Vishay Dale IHLP-1212AZ-51, IHLP-1212AB-51, and IHLP-1212BZ-51 offer extremely low profiles down to 1.0 mm.

The devices released today are optimized for energy storage in DC/DC converters up to 5 MHz and provide excellent attenuation of noise in high current filtering applications up to the SRF of the inductor. Applications for the inductors include notebooks, desktops, and servers; low profile, high current power supplies; and distributed power systems and FPGAs.

Packaged in a 100 % lead (Pb)-free shielded, composite construction that reduces buzz to ultra low levels, the IHLP-1212AZ-51, IHLP-1212AB-51, and IHLP-1212BZ-51 offer high resistance to thermal shock, moisture, and mechanical shock, and they handle high transient current spikes without saturation. The devices are RoHS-compliant, halogen-free, and Vishay Green.

Device Specification Table:

Part number

IHLP-1212AZ-51

IHLP-1212AB-51

IHLP-1212BZ-51

Case size

1212

1212

1212

Profile (mm)

1.0

1.2

2.0

Inductance range (µH)

0.10 to 1.0

0.10 to 1.2

0.10 to 3.3

DCR typ. (mΩ)

7.31 to 26.66

7.01 to 53.49

6.58 to 88.38

DCR max. (mΩ)

8.81 to 29.92

7.50 to 57.65

6.95 to 96.79

Heat rating current (A)

5.35 to 11.13

3.98 to 11.50

3.26 to 12.26

Saturation current (A)

4.43 to 7.38

3.84 to 11.79

2.52 to 13.46

SRF typ. (MHz)

152 to 440

82 to 455

40 to 380

Operating temp. range (°C)

-55 to +155

-55 to +155

-55 to +155

Samples and production quantities of the new inductors are available now, with lead times of eight weeks for large orders.

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