MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) introduced two new Automotive Grade IHTH high current, high-temperature through-hole inductors in the compact 1500 case size. For automotive applications, the Vishay Dale IHTH-1500MZ-5A (0.47 µH to 4.7 µH) delivers high saturation current of 156 A and very low typical DCR down to 0.19 mΩ, while the IHTH-1500TZ-5A (6.8 µH to 100 µH) offers saturation current of 106 A and typical DCR down to 1.1 mΩ. Both inductors feature continuous high-temperature operation to +155 °C.
Based on IHLP® technology, the shielded, composite construction of the devices released today enables a compact size of 38.1 mm by 38.1 mm by 19.81 mm. This allows the IHTH-1500MZ-5A and IHTH-1500TZ-5A to replace much larger and more expensive competing solutions in high current filters for 12 V / 48 V hybrid electric (HEV) and mild hybrid electric (MHEV) vehicle output converters; off-road diesel injection drivers; catalytic pulse width modulation (PWM) heaters; and electrical motors.
The IHTH-1500MZ-5A and IHTH-1500TZ-5A handle high transient current spikes without hard saturation and offer excellent temperature conductivity via their housing. RoHS-compliant, halogen-free, and Vishay Green, the devices provide high resistance to thermal shock, moisture, and mechanical shock.
Device Specification Table:
|Inductance (µH)||0.47 to 4.7||6.8 to 100|
|DCR typ. (mΩ)||0.19 to 1.13||1.1 to 21.5|
|DCR max. (mΩ)||0.20 to 1.19||1.2 to 22.6|
|Heat rating current (A)||60.6 to 134.7(1)||12.2 to 63.3(1)|
|Saturation current (A)||60.0 to 109.4(2) / 90.1 to 156.2(3)||23.2 to 75.5(2) / 33.7 to 106.2(3)|
(2) DC current (A) that will cause L to drop approximately 20 %
(3) DC current (A) that will cause L to drop approximately 30 %
The Company states that samples and production quantities of the IHTH-1500MZ-5A and IHTH-1500TZ-5A are available now, with lead times of eight to 10 weeks.
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