Product Overview
The Fibre Core Conformal Coated Wirewound Resistor SPP Series offers reliable performance with UL1412 recognition, making it suitable for various applications. These resistors are weldable and solderable, providing flexibility in integration. High TC's and lower resistance ranges are available upon request. All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3).
Product Attributes
- Brand: TT Electronics / BI Technologies IRC Welwyn
- Certifications: UL1412 recognised (UL number E234469)
- Compliance: EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
- Construction: Fibre Core, Conformal Coated, Wirewound
- Marking: Five colour bands (value, multiplier, tolerance, flameproof fusible blue band)
Technical Specifications
| IRC Type | Resistance - Std. UL Recognised Range | Tolerance - Std. | Power Rating | Load Life Stability | Max. Continuous Working Voltage | Min. Insulation Resistance | Min. Dielectric Withstanding Volts (RMS) | Current Noise | Ambient Temperature Range | Temperature Coefcient |
| SPP-1 | 0.1 to 1200 | 5% (E24), 10% (E12) | 1W @ 85C | 1 watt @ 85C 10% | PR | 10,000 Meg (Dry) / 100 Meg (Wet) | 600V | Negligible | -65 to 160C | 600ppm/C (0.10 - 0.91) 300ppm/C (1 - 1200) |
| SPP-2 | 1 to 470 | 5% (E24), 10% (E12) | 2W @ 85C | 2 watt @ 85C 10% | PR | 10,000 Meg (Dry) / 100 Meg (Wet) | 600V | Negligible | -65 to 160C | 600ppm/C (0.10 - 0.91) 300ppm/C (1 - 2400) |
| SPP-3 | 1 to 470 | 5% (E24), 10% (E12) | 3W @ 85C | 3 watt @ 85C 10% | 75V | 10,000 Meg (Dry) / 100 Meg (Wet) | 600V | Negligible | -65 to 160C | 600ppm/C (0.10 - 0.91) 300ppm/C (1 - 2400) |
2403271646_TT-Electronics-SPP2UL6R80JLF_C19391036.pdf
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