20W TO-263 HIGH POWER SURFACE MOUNT

RESISTORS

.

Non-Inductive, Small, 20 Watt high power resistor.

TO-263 surface mount package offering a very low thermal resistance.

Small thin package for high density PCB installation.

RoHS compliant.

Suitable for board mounting with either solder or clip.

………

High frequency emitter resistors in switching power supplies.

High precision CRT color video amplifiers.

High frequency snubber and pulse handling circuits.

Pulse generator load resistors

.

In-rush current protection

Bleeder Resistors

Specification

Specifications subject to change without notice

Items

Specification

Test Conditions

Power Rating

20 Watt

-55

°C to 25°C flange temperature

Power Rating

2.25 Watt

Without heatsink

Thermal Resistance

3.3

°C/W

Resistor hot spot to flange

Resistance Range

0.01-0.09

Ω

0.1-9.1

Ω

10-220

Ω

Up to 51K

Ω also available

Nominal Resistance Series

E6

E12

E24

Including 2.5

Ω and 5.0 Ω

TCR(ppm/

°C)

250

100

50

For -55

°C to +155 °C

Tolerance

+/-5%

+/-1% & +/-5%

+/-1%

Operation Temp. Range

-55

°C to+155°C

Max. Operating Voltage

500V or

R

P

⋅

Dielectric Withstanding Voltage.

2000 V DC

60 seconds.

Load Life

∆R +/- (1.0% + 0.05 Ω)

25

°C, 90 min.ON, 30min.OFF, 1000hours.

Humidity

∆R +/- (1.0% + 0.05 Ω)

40

°C, 90-95%RH, DC 0.1W, 1000 hours.

Temp. Cycle

∆R +/- (0.25% + 0.05 Ω)

-55

°C,30 min.,+155°C,30 min., 5cycles

Soldering Heat (Max)

∆R +/- (0.1 %+0.05 Ω)

250+/-5

°C, 3seconds,

Solderability

Min. 90% coverage

230+/-5

°C, 3seconds.

Insulation Resistance

Over 1,000 Meg

Ω

Between terminals and tab.

Vibration

∆R +/- (0.25% + 0.05 Ω)

Notes:

1.

Electrically isolated metal tab.

2.

Contact factory for custom products, non-standard values and tolerances.

3.

Current rating: 25A maximum.

1

Dimensions (mm)

Tolerances +/-0.1 unless otherwise marked

10.6max

0.5

2.7

1.5

4.5

5.08

1.5

0.75

12.7

2.03

5.08

SMHP

10.6max

1.6+/-0.2

1.4+/-0.2