English 
Not recommended for new designs.
End of Life 09/23/2022
Last time buy 12/31/2022
There is no replacement, please consider a different PF or Wirewound resistor
Non-inductive power resistor made by Riedon shows superior performance in high-frequency applications and high-speed pulse circuits. This TO-126 style resistors use an advanced power film formed on a heat-conducting alumina substrate that is metalized and soldered to a heat-dissipating copper plate tab, providing devices that offer excellent thermal resistance in small-size (up to 20W with Heatsink). Similar to WMHP20 series from Wellwyn, It will perfectly match high-density applicationss.
Caracteristics:
- TO-126 Housing
- Power Rating up to 20 Watts
- Resistances from 0.01 to 51K Ohms
- High Stability Film Resistance Elements
- Resistance Tolerances to ±1%
- Low inductance (<50nH)
- Isolated Back Plate
- TCR to +-50ppm/°C
Applications :
- high frequency circuits
- wireless communications
- high-energy pulses
- Medical equipment.
Type | Power Rating | ThermalResistance | resistance Range | Tolerances | Temperature Coefficients | ||
|---|---|---|---|---|---|---|---|
| Heatsink | Free air | Min | Max | ||||
| PF1262 | 20W | 1W | 5.9K/W | 0.01Ω | 51KΩ | ±1% (R≥0.1Ω), ±5% | ±50ppm/°C (R ≥ 10Ω) ±100ppm/°C (0.1Ω ≤ R < 10Ω) ±250ppm/°C (R < 0.1Ω) |
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