Vishay Intertechnology Introduces New High Precision Thin Film Wraparound Chip Resistor

Vishay Sfernice P2TCImage by Vishay Intertechnology

MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) has introduced a new high-precision thin-film wraparound chip resistor for industrial, medical, military, and aerospace applications. The Vishay Sfernice P2TC offers a tight TCR of ± 2 ppm/°C over wider resistance and temperature ranges — and in more case sizes with higher power ratings — than competing devices.

Available in five case sizes from 0402 to 2010, the device released today offers a wide resistance range of 100 Ω to 3.05 MΩ, with tolerances down to ± 0.01 %; operates over a broad temperature range of -55 °C to +155 °C; and offers a high power-rating to 1 W. Combined with very low noise of <-35 dB, a low voltage coefficient of < 0.01 ppm/V, and load-life stability of ± 0.05 % typical for 2,000 hours at +70 °C, the resistor’s specifications exceed the requirements of MIL-PRF-55342G.

The P2TC is optimized for precision applications requiring low noise and high stability over time and temperature. End products will include instrumentation, military and avionics guidance systems, load cell electronics in weighing systems, and operational amplifiers for test and measurement equipment.

RoHS-compliant, halogen-free, and Vishay Green, the device is sulfur-resistant per the ASTM B809-95 humid vapor test.

Device Specification Table:

Case size Resistance
range (Ω)
Rated power
(W) Pn
¹
Rated
Power (W)
Pd²
Limiting element
voltage (V)
0402 100 to 35 k 0.063 0.040 50
0603 100 to 128 k 0.125 0.100 75
0805 100 to 291 k 0.200 0.125 150
1206 150 to 1.09 M 0.330 0.250 200
2010 200 to 3.05 M 1 0.500 300

  ¹ Pn = nominal power
  ² Pd = derated power intended to improve stability

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The Company states samples and production quantities of the P2TC resistor are available now, with lead times of 16 weeks.

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