MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) recently introduced a new series of AEC-Q200 qualified, high power thin film wraparound chip resistors.
The Vishay Dale Thin Film PHPA series devices combine power ratings of 1.0 W and 2.5 W in the 1206 and 2512 case sizes, respectively, with a self-passivated tantalum nitride film for superior moisture resistance.
The devices released today will be used in automotive power supplies, braking systems, on-board chargers, and motor deflection circuits, in addition to industrial test and measurement equipment. For precision performance in these applications, the resistors combine their high power ratings with low absolute TCR down to ± 25 ppm/°C and tolerances down to ± 0.1 %.
PHPA series devices offer a resistance range from 10 Ω to 30.1 kΩ, low noise of less than -30 dB, low voltage coefficients of < 0.1 ppm/V, and a working voltage of 200 V. Featuring a high purity ceramic substrate, the resistors are designed with enlarged backside terminations to reduce the thermal resistance between the topside resistor layer and the solder joint on the PCB.
The devices are RoHS-compliant, halogen-free, and flame-resistant in accordance with UL 94 V-0. They operate over a wide temperature range of -55 °C to +155 °C.
The Company states that samples of the PHPA series are available now. Production quantities are available from franchised distributors, with lead times of 10 to 12 weeks.
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