1242 Description
1242 Vishay Foil Resistors Bulk Metal® Foil Technology Precision Trimming Potentiometers, QPL Approved 1/4 Inch Square, Qualified to MIL-PRF-22097, Char.
1242 Key Features
- Temperature coefficient of resistance (TCR): ± 10 ppm/°C maximum4) (- 55 °C to + 150 °C ref. at + 25 °C); through the wi
- Load life stability: 0.1 % typical ΔR, 1.0 % maximum ΔR under full rated power of 0.25 W at 85 °C for 1000 h
- Settability: 0.05 % typical; 0.1 % maximum
- Setting stability: 0.1 % typical; 0.5 % maximum, ΔSS
- Power rating: 0.25 W at + 85 °C
- Resistance range: 50 Ω to 5 kΩ
- Resistance tolerance: ± 10 %
- Terminal finish: gold plated
- MODEL SELECTION
- See figure 1