Through-hole inductors offer high saturation current

Vishay Intertechnology, Inc. has released two new automotive-grade IHTH high-current, high-temperature, through-hole inductors in the compact 1500 case size. These devices can replace larger and more expensive solutions in high-current filters for hybrid electric (HEV) and mild hybrid electric vehicles (MHEV).

IHTH-1500MZ-5A and IHTH-1500TZ-5A inductors (Source: Vishay Intertechnology)

For automotive applications, the Vishay Dale IHTH-1500MZ-5A with an inductance range of 0.47 µH to 4.7 µH, delivers high saturation current of 156 A and very low typical direct current resistance (DCR) down to 0.19 mΩ (0.19 to 1.13 µH), while the IHTH-1500TZ-5A, with an inductance range of 6.8 µH to 100 µH, offers saturation current of 106 A and typical DCR down to 1.1 mΩ (1.1 to 21.5 µH) .

Based on IHLP technology, the shielded, composite construction of the devices enables a compact size of 38.1 × 38.1 × 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 as well as off-road diesel injection drivers, catalytic pulse width modulation (PWM) heaters, and electrical motors.

Device specs include:

Click for a larger image. (Source: Vishay Intertechnology)

Both inductors handle high transient current spikes without hard saturation and offer “excellent” temperature conductivity via their housing, said Vishay.  They also offer continuous high temperature operation to 155 °C and are RoHS-compliant, halogen-free, and Vishay Green. The devices also provide high resistance to thermal shock, moisture, and mechanical shock.

Samples and production quantities of the IHTH-1500MZ-5A and IHTH-1500TZ-5A are available now, with lead times of eight to 10 weeks. Pricing for U.S. delivery starts at $7.80.