Data Sheet

POWER - NIKKOHM
TO126 20W HIGH POWER RESISTORS
RNP-10S
Specifications and Performances
Specification-Performance Test Conditions
Rating Power 20 Watts Flange temperature of -55 to +25 °C
Rating Power 1 Watt Free air (without heat sink).
Heat Resistance 5.9 °C/W From hot spot to flange.
Resistance Range 0.02-0.09 Ohm 0.1-510k Ohm 10-51K Ohm
Nominal Resistance +E6 +E24 +E24
TCR (ppm/deg C) +/-250 (H*) +/-100 (A) +/-50 (C) Flange temperature -55 to +155°C
Tolerance +/-5%(J) +/-5%(J) +/-1%(F)
Resistor Matwerial Thick Film Thin Film
Capacitance 1.00 pF Equivalent parallel capacitance.
Inductance 8.22 nH Equivalent series inductance
Operation Temp. Range -55 °C to +175°C
Max. Operation Voltage Small value either 500V or
RP 
P: rating power and R: resistance
Withstanding Voltage 2000 Volt AC 60 seconds, 1mA,
Load Life +/- 1.0 % 25 °C, 90 min.ON, 30min.OFF, 1000h.
Humidity +/- 1.0 % 40 °C, 90 to 95%RH, DC 0.1W, 1000h
Temperature Cycle +/- 1.0 %
Soldering Heat +/- 1.0 % 350+/-5 °C, 3seconds,
Solder ability Over 95 of surface 230+/-5 °C, 3seconds.
Insulation Resistance Over 1000 Meg Ω Between terminals and flange.
Vibration +/-0.25 % IEC60068-2-6, see note 4
Flammability UL94-V0
Weight 0.9 grams
Features and Applications
Small 20Watts high power resistor in TO-126 package with 5.9 C/W heat resistance from hot spot to
flange.
Non-Inductive, fit for high speed SW power sources, high precision high-speed pulse handling circuits.
Thin style in small package fit for high-density installation of electronic instruments.
Superior vibration durability with heat sink mounting.
Complete thermal flow design are available.
Applications include snubber, gate control, bleeder, filter, rush current protection, braking resistors of
automotive, rail traction, wind turbine, PV, UPS and motor control inverters.
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RNP-10S
mm +/-mm
A 8.5 +/-0.2
B 12.0 +/-0.2
C 3.1 +/-0.2
D 3.1 +/-0.1
E 17.0 +/-1.0
F 3.2 +/-0.5
G 3.8 +/-0.2
H 1.75 +/-0.1
J 0.5 +/-0.05
K 0.6 +/-0.05
L 1.4 +/-0.05
M 5.08 +/-0.1
Nikkohm Co., Ltd. 3-31-2640 Minamicho, Misawa, Aomori 033-0036 Japan TEL: [phone], FAX: [phone]
© Nikkohm Co., Ltd. All rights reserved. 2014. URL: http://www.nikkohm.co.jp & http://www.nikkohm.co.jp / e-mail: [e-mail]