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Power Resistors

A high power TO-220 style resistor package designed for high frequency emitter

circuits in switching power supplies. Also used in voltage regulation and low energy

pulse loading.

Electrical Specifications

Resistance

Value Range

Available Tolerance & Pref.

Value Ranges

Available TCR

R1 - 1R

J (±5%) K (±10%)

Not specified

1R02 - 3R

F (±1%) , J (±5%) ,

K (±10%)

±300ppm/˚C

3R01 - 10R

±100ppm/˚C

±200ppm/˚C

10R2 - 10K

D (±0.5%) F (±1%) J

(±5%) K (±10%)

±50ppm/˚C

±100ppm/˚C

±200ppm/˚C

Preferred value ranges:

F (±1%) - E96 , J (±5%) - E24, K (±10%) - E12

Characteristics

Power rating:

Operating voltage:

Dielectric strength:

Insulation resistance:

Temperature coefficient:

Short time overload:

Load life:

Damp heat with load:

Solderability:

Thermal shock:

Terminal strength:

Vibration and high frequency:

2.25 Watts in free air

420V max

1800Vac

10GΩ min

As specified, referenced to 25˚C, ∆R taken at +105˚C

∆R ±0.3%, 2 times rated power with applied voltage not to exceed 1.5 times maximum continuous

operating voltage for 5 seconds

∆R ±1.0%, 2000 hours at rated power

∆R ±0.5%, 40 ±2˚C, 90 - 95% R.H max working voltage for 1000 hours with 1.5 hours “ON” and

0.5 hours “OFF”

90% min coverage, 245 ±5˚C for 3 seconds

∆R ±0.3%, -65˚C - 150˚C, 100 cycles

∆R ±0.2%, 2.4 N

∆R ±0.2%, 20g peak

Derating Curve

100

80

60

40

20

0

0

25

50

75

100

125

150

175

Case Temperature (°C)

www.arcolresistors.com

For more information and ordering, please consult

(std.)

(std.)