Riedon Inc.

300 Cypress Avenue

Alhambra CA 91801

(626) 284-9901

(626) 284-1704

www.riedon.com

07/13

PF2200 Series

• TO-220 Housing

• Rated Power to 50 Watts

• Resistances from 0.02 to 51K Ohms

• High Stability Film Resistance Elements

• Resistance Tolerance to ±0.1%

• TCR to ±5ppm/°C

• Low Inductance ( <10nH )

• Isolated Mounting Tab

SPECIFICATIONS

1

Power rating based on 25°C Flange Temperature

2

Power rating based on 25°C Ambient Temperature

3

Consult Factory for Higher or Lower Values

Type

Power Rating

Heatsink1

Free Air2

Thermal

Resistance

Min

Max

Tolerances

Temperature

Coefficients

PF2205

50W

1W

2.3°C/W

0.02W

51KW

±1% ( R≥0.1W )

±5%

±50ppm/°C ( R≥10W )

±100ppm/°C ( 0.1W ≤ R < 10W )

±250ppm/°C ( R < 0.1W )

PF2203

35W

1W

3.3°C/W

0.02W

51KW

±1% ( R≥0.1W )

±5%

±50ppm/°C ( R≥10W )

±100ppm/°C ( 0.1W ≤ R < 10W )

±250ppm/°C ( R < 0.1W )

PF2202

20W

1W

5.9°C/W

0.02W

220W

±1% ( R≥0.1W )

±5%

±50ppm/°C ( R≥10W )

±100ppm/°C ( 0.1W ≤ R < 10W )

±250ppm/°C ( R < 0.1W )

10W

1W

220W

51KW

±1%, ±5%

±50ppm/°C

PF2201

10W

0.5W

3.3°C/W

1W

51KW

±0.1%

±5ppm/°C ( R ≥ 5W )

±25ppm/°C ( R< 5W )

TO-220 Power Thin Film Resistors

Part Description: Part Type - Resistance - Tolerance - TCR

Example: PF2203 0.5 Ohm 1% 100ppm

Ordering Information