TNP10 Series
Thin Film TO-126 Resistor
Ohmite offers a high power heatsinkable TO-126 packaged
resistor. They can achieve 1W in free air and 10W when
attached to a proper heatsink. The non-inductive design is ideal
for high speed circuits. These models exhibit low noise, high
frequency operation and high density installation. Applications
include: Constant current sources, electronic load circuits, LSI
tests, measurement, audio PA systems and motor control.
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Resistance
TCR
Heat
Series
Wattage*
Range (Ω)
0.09-0.1
0.1-9.1
Tolerance
5% (J)
±1% (F), 5% (J)
±1% (F)
(ppm/°C) Resistance**
±250
±100
±50
TNP10S
10W
5.9°C/W
10-51K
* Flange temp. -55° - 25°C; 1W at free air **From hot spot to flange
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Values listed below; others on request
-55°C to +155°C
Resistance Range
Temp. Range
Item Performance
Condition
2000VAC
60 sec., between termi-
nals and flange
Dielectric
Withstanding
Voltage
+25°C
Rated Temperature
Rated Power
10W (-55 to 25°C flange temperature),
1W free air
Over 1000MΩ
±(1.0%+0.05Ω)
±(1.0%+0.05Ω)
±(1.0%+0.05Ω)
Between terminals and
flange
Insulation
Resistance
60°C, 90 to 95%RH, DC
0.1W, 1000 hrs.
Moisture
Resistance
Derating
Temperature Rise
25°C, 90min. ON, 30min.
OFF, 1000hrs
Load Life
10
8
120
90
60
30
0
25°
350 ±5°C, 3 sec.
Soldering Heat
Solderability
Vibration
6
Over 95% of surface 230 ±5°C, 3 sec.
±0.25% IEC 60068-2-6
4
2
0
-55°
0°
50° 100° 155° 200°
0
2.5
5
7.5
10
Flange Temp. (°C)
Applied Power (W)
*with 2.8K/W heatsink
THIS PRODUCT IS DESIGNED
FOR USE WITH PROPER
HEATSINKING.
Coonstruction
Maximum base plate temperature of the resistor
must be monitored and kept within speci-
fied limits to establish the power rating. Best
technique is to attach a thermocouple to the side
of the base plate of the resistor. Temperature of
plastic housing or heat sink cannot be used to
establish rating of the resistor.
Leads (tin plated Cu)
Molding (epoxy UL94-VO)
Conductor (Cu)
Resistor (Ni-Cr or RuO)
Substrate (alumina)
Flange (Ni plated Cu)
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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