The CR Thick Film Chip Resistor Series is the most popular type of chip resistor developed for surface mount technology. Ideal for general purpose applications. Unique construction and special termination techniques ensure high quality and reliability. Extremely compact size for miniaturization.
The CR thick‑film chip resistor series from Sharma Resistors is designed for surface‑mount technology and offers a compact size for miniaturisation. It provides high long‑term stability, a range of tolerances and compatibility with high‑speed automatic handling machines.
The document lists detailed electrical specifications, mechanical dimensions, power‑derating curves and packaging options such as bulk, tape & reel and carrier tape formats.
| Resistance Range | 1 Ω to 10 MΩ (E24 5 %) / 1 Ω to 1 MΩ (E96 1 %) |
|---|---|
| Rated Power | 1/16 W to 1 W at 70 °C |
| Rated Voltage | Rated Power × Nominal Resistance |
| Temperature Coefficient | +100 ppm/°C or +200 ppm/°C |
| Temperature Range | -55 °C to +125 °C (derating above 70 °C) |
| Tolerance | +5 % or +1 % (special tolerance on request) |
| Load Life Test | 1000 h at rated voltage, 70 °C, 1.5 h on / 0.5 h off |
| Soldering Heat Resistance | 270 °C for 10 s, resistance change ≤ +3 % |
The series covers 1 Ω to 10 MΩ for E24 values (5 % tolerance) and 1 Ω to 1 MΩ for E96 values (1 % tolerance).
Rated power ranges from 1/16 W up to 1 W when operated at 70 °C.
They are available with a temperature coefficient of either +100 ppm/°C or +200 ppm/°C.
Yes, they can endure a soldering temperature of 270 °C for 10 seconds with resistance change staying within +3 %.