BE Services, Inc., a subsidiary of Bourns, Inc., has purchased substantially all of Riedon's assets. See Press Release

TO-220 Power Film Resistors

PF2200 Series

TO-220 Housing

Power Rating to 50 Watts

Resistances from 0.01 to 51K Ohms

High Stability Thick Film

Resistance Tolerances to ±0.1%

TCR to ±50PPM/°C

Non-Inductive (<10nH)

Moisture Resistant

Isolated Back Plate

Type	Power Rating		Thermal Resistance	Resistance Range³		Tolerances	Temperature Coefficients
Type	Heatsink¹	Free Air²	Thermal Resistance	Min	Max	Tolerances	Temperature Coefficients
PF2205	50W	1W	2.3°C/W	0.02Ω	51KΩ	±1% (R≥0.1Ω), ±5%	±50ppm/°C (R ≥ 10Ω) ±100ppm/°C (0.1Ω ≤ R < 10Ω) ±250ppm/°C (R < 0.1Ω)
PF2203	35W	1W	3.3°C/W	0.02Ω	51KΩ	±1% (R≥0.1Ω), ±5%	±50ppm/°C (R ≥ 10Ω) ±100ppm/°C (0.1Ω ≤ R < 10Ω) ±250ppm/°C (R < 0.1Ω)
PF2202	20W	1W	5.9°C/W	0.02Ω	51KΩ	±1% (R≥0.1Ω), ±5%	±50ppm/°C (R ≥ 10Ω) ±100ppm/°C (0.1Ω ≤ R < 10Ω) ±250ppm/°C (R < 0.1Ω)
PF2202	10W	1W	5.9°C/W	220Ω	51KΩ	±1%, ±5%	±50ppm/°C

¹Power rating based on 25°C Flange Temperature
²Power rating based on 25°C Ambient Temperature
³Consult Factor for Higher or Lower Values

See PDF Datasheet for Full Specifications