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The information contained herein does not form part of a

contract and is subject to change without notice. ARCOL

operate a policy of continual product development, therefore,

specifications may change.

It is the responsibility of the customer to ensure that the

component selected from our range is suitable for the intended

application. If in doubt please ask ARCOL.

ARCOL UK Limited,

Threemilestone Ind. Estate,

Truro, Cornwall, TR4 9LG, UK.

T +44 (0) 1872 277431

F +44 (0) 1872 222002

E sales@arcolresistors.com

www.arcolresistors.com

2/13.18

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

R05 - 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:

Working temperature range:

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

-65˚C to +150˚C

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)