Precision Metal Film Resistors RC Series
The RC series of precision metal film resistors offers high performance and reliability, suitable for critical applications. These resistors are available with resistance tolerances down to 0.05% and a wide resistance range. They exhibit low noise, negligible voltage coefficient, and a temperature coefficient of resistance as low as 5 ppm/C. Options for RoHS compliant and lead-bearing wire finishes are available. Parts screened to EN140101 & IECQ-CECC40101 standards are also offered.
Product Attributes
- Brand: TT Electronics
- Certifications: EN140101, IECQ-CECC40101, RoHS3 (EU Directive 2011/65/EU amended by (EU) 2015/863)
- Construction: Metal film deposited onto a high-quality ceramic former, nickel-plated steel caps, helical cut for value adjustment, epoxy coating.
- Terminations: Solder coated copper wire, meeting IEC 68.2.21 (Strength) and IEC 115-1, Clause 4.17.3.2 (Solderability).
- Marking: Type reference, TCR code, resistance value, and tolerance code.
Technical Specifications
| Model | Resistance Range (ohms) | Power Rating (watts) @ 70C | Limiting Voltage (V) | Isolation Voltage (V) | TCR (ppm/C) | Resistance Tolerance (%) |
| RC55 | 1R to 4M | 0.25 | 250 | 500 | 5, 10, 15, 25, 50, 100 | 0.05, 0.1, 0.25, 0.5 & 1 |
| RC65 | 1R to 4M | 0.5 | 350 | 750 | 5, 10, 15, 25, 50, 100 | 0.05, 0.1, 0.25, 0.5 & 1 |
| RC70 | 1R to 10M | 1.0 | 500 | 1000 | 5, 10, 15, 25, 50, 100 | 0.05, 0.1, 0.25, 0.5 & 1 |
| EN140101-806 Requirements (RC55/RC65) | 56R 820K (RC55) / 56R 1M0 (RC65) | 0.25 (RC55) / 0.5 (RC65) | 350 (RC55) / 350 (RC65) | 500 (RC55) / 750 (RC65) | 5, 10, 15, 25, 50, 100 | 0.05, 0.1, 0.25, 0.5 & 1 |
| IECQ-CECC 40101-004 Requirements (RC55/RC65/RC70) | 1R to 1M (RC55/RC65) / 10R to 1M (RC70) | 0.25 (RC55/RC65) / 0.5 (RC70) | 200 (RC55/RC65) / 250 (RC70) | 500 (RC55/RC65) / 500 (RC70) | 5, 10, 25, 50, 100 | 0.05, 0.1, 0.25, 0.5 & 1 |
| IECQ-CECC 40101-804 Requirements (RC55/RC65/RC70) | 1R to 1M (RC55/RC65) / 10R to 1M (RC70) | 0.25 (RC55/RC65) / 0.5 (RC70) | 200 (RC55/RC65) / 250 (RC70) | 500 (RC55/RC65) / 500 (RC70) | 15, 25, 100 | 0.05, 0.1, 0.25, 0.5 & 1 |
2506271446_TT-Electronics-RC55Y-40K2BI_C20562645.pdf
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