Vishay – New PCAN Series of Surface-Mount Precision Thin Film Chip Resistors

Thin Film PCAN high-power surface-mount precision thin film chip resistors are based on an aluminum nitride substrate. The devices feature enlarged backside terminations to reduce thermal resistance between the topside resistor layer and the solder joint on the end user’s circuit assembly. As a result, the devices provide four times the power handling capability of commercial chip resistors, making them ideal for use in power supplies in a wide range of equipment and instrumentation. The devices combine their high power ratings with a low TCR of ± 25 ppm/°C and laser-trimmed tolerances down to ± 0.1 % over a wide temperature range of -55 °C to +150 °C.

  • Provide four times the power handling capability of commercial chip resistors
  • Enlarged backside terminations reduce thermal resistance
  • Wraparound terminations are lead (Pb)-free and RoHS compliant, with lead (Pb)-bearing, wire bondable gold, and epoxy bondable (glueable) gold terminations available

Key Specifications:

Case size 1206 2512
Power rating (W) 2.0 6.0
Working voltage (V) 75 to 200 75 to 200
Resistance range (Ohm) 30 to 175 30 to 175
TCR (ppm/°C) ± 25 and ± 100 ± 25 and ± 100
Tolerances (%) ± 0.1, ± 0.25, ± 0.5, ± 1.0, ± 5.0 ± 0.1, ± 0.25, ± 0.5, ± 1.0, ± 5.0
Temperature range (°C) -55 to +150 -55 to +150

Product Benefits:

  • High thermal conductivity aluminum nitride substrate
  • Available in compact 1206 and 2512 case sizes
  • Power ratings up to 6.0 W • Low TCR of ± 25 ppm/°C
  • Laser-trimmed tolerances down to ± 0.1 %
  • Wide temperature range of -55 °C to +150 °C
  • Wide range of resistance values from 30 Ω to 175 Ω
  • Low noise of < -30 dB
  • Low voltage coefficients of 0.1 ppm/V
  • Voltage ratings from 75 V to 200 V
  • Flame resistant in accordance with UL 94 V-0

Market Applications:

  • Power supplies for industrial, telecommunications, test and measurement, medical, and military and aerospace equipment and instrumentation
See also

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