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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