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PF1262-0R25F1 Datasheet, PDF (1/2 Pages) Riedon Powertron – TO-126 Power Thin Film Resistors
PF1262 Series
TO-126 Power Thin Film Resistors
• TO-126 Housing
• Resistances from 0.01 to 51K Ohms
• Rated Power to 20 Watts
• Resistance Tolerances to ±1%
• TCR to ±50ppm/°C
• Low Inductance ( <50nH )
• Isolated Back Plate
SPECIFICATIONS
Type
Power Rating
Thermal Resistance Range3
1
2
Heatsink Free Air
Resistance
Min Max
PF1262
20W
1W 5.9K/W 0.01Ω 51KΩ
Tolerances
Temperature
Coefficients
±1% ( R ≥0.1Ω )
±5%
±50ppm/°C ( R ≥10Ω )
±100ppm/°C ( 0.1Ω ≤ R < 10Ω )
±250ppm/°C ( R < 0.1Ω )
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
Specification
Maximum Current
Temperature Range
Dielectric Strength
Max. Operating Voltage
Insulation Resistance
Environmental Performance
Load Life
Humidity Resistance
Temperature Cycle
Solder Heat
Vibration
Value
25A
-55°C to +155°C : PF1262
2000 VAC
500 V
>1000 Meg-Ohm
∆R
±1% + 0.05Ω
±1% + 0.05Ω
±0.25% + 0.05Ω
±0.1% + 0.05Ω
±0.25% + 0.05Ω
Test Conditions
25°C / 90 min ON / 30 min OFF / 1000 hr
40°C / 90-95% RH / DC 0.1W / 1000 hr
-55°C for 30 min / +155°C for 30 min / 1000 hr
+350°C / 3s
IEC60068-2-6
Ordering Information
Part Description: Part Type - Resistance - Tolerance
Example: PF1262 0.5 Ohm 1%
Riedon Inc.
08/14
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704