This product has been
TK/TN Series
0.394"
(10mm)
0.177"
(4.5mm)
DISCONTINUED
Discontinued May 2013
Product will be available till existing stock is depleted.
SPeciFicaTiOnS
Material
Resistive element:
Thick or thin film chip resistor
Terminals:
Tin plated copper (100Sn)
Case:
Ryton
Heatsink plate:
Black anodized aluminum
Electrical
Thick film TK20 Thin film TN15
Power rating:
20W
15W
(Heat-sink dependent; must be attached to a proper heat sink for full
power rating. Max. case temp. cannot exceed 150°C.)
Derating:
Linear, 100% at 25°C to 0% at 150°C
Resistance Range:
10mΩ-10KΩ
4Ω-10KΩ
Tolerance:
5%
1%, 2%
Max. working voltage:
0.01Ω-1KΩ:
√20*R
√15*R
3KΩ-10KΩ:
150V
200V
Max. working current:
0.01Ω-0.1Ω:
10A
0.3Ω-10KΩ:
√20/R
4Ω-10KΩ:
√15/R
TCR:
0.01Ω-0.1Ω: ±300ppm
0.3Ω-10KΩ:
±200ppm
±50ppm
4Ω-10KΩ:
(lower available)
Thermal resistance. R
TH
:
<6.25°C/W
<8.33°C/W
20 and 15 Watt TO-220 Package
Thick and Thin Film
0.004"
(0.1mm)
0.591"
(15mm)
0.701"
(17.8mm)
0.039"
(1.0mm)
0.201"
(5.1mm)
0.031"
(0.8mm)
0.287"
(7.3mm)
Patent pending
Ohmite is proud to introduce
the newest addition to our
family of Heat Sinkable Power
Resistors. The TK/TN Series
offers 3 major advances over
existing TO-220 products:
• Low Resistance Values down
to 0.03 ohms for current sense
applications
• Low Cost
• Thin Film Construction is the
first Thin Film power resistor in
heatsinkable packaging on the
market.
BrackeT
6200E: recommended mount-
ing bracket kit (optional)
0.180"
(4.57mm)
0.320"
(8.12mm)
s ta n d a r d pa rt n u m b e r s
TK20
thick film
20 watt
Ohms
5% tol.
TK20PR030JE
TK20PR040JE
TK20PR050JE
TK20PR075JE
TK20PR100JE
TK20PR300JE
TK20PR400JE
TK20PR500JE
TK20PR750JE
TK20P1R00JE
TK20P3R00JE
TK20P4R00JE
TK20P5R00JE
TK20P7R50JE
TK20P10R0JE
TK20P30R0JE
TK20P40R0JE
TK20P50R0JE
TK20P75R0JE
TK20P100RJE
TK20P300RJE
TK20P400RJE
TK20P500RJE
TK20P750RJE
TK20P1K00JE
TK20P3K00JE
TK20P4K00JE
TK20P5K00JE
TK20P7K50JE
TK20P10K0JE
TN15P4R00FE
TN15P5R00FE
TN15P7R50FE
TN15P30R0FE
TN15P40R0FE
TN15P50R0FE
TN15P75R0FE
TN15P300RFE
TN15P400RFE
TN15P500RFE
TN15P750RFE
TN15P3K00FE
TN15P4K00FE
TN15P5K00FE
TN15P7K50FE
TN15P10R0GE
1% tol.
0.03
0.04
0.05
0.075
0.1
0.3
0.4
0.5
0.75
1
3
4
5
7.5
10
30
40
50
75
TN15
thin film
15 watt
2% tol.
0.900"
(22.86mm)
radius
1mm
hole
tapped
for 6-32
screw
WHY THin FiLM?
Thin film technology offers the fol-
lowing performance advantages:
• Extremely stable (low TCR)
• Low Noise (parasitic capacitance
and resistance)
• Excellent High Frequency
Performance
• High Accuracy (tight tolerances)
0.240"
(6.10mm)
TK/TN
mounted
vertically
100
300
400
500
750
1000
3000
4000
5000
7500
10,000
TN15P100RGE
TN15P1K00GE
TN15P10K0GE
THIS PRODUCT IS DESIGNED FOR
USE WITH PROPER HEATSINKING.
o r d e r i n g i n f o r m at i o n
T K 2 0 P 1 R 0 0 J E
Series
TCR
TK20
=
20W thick film
(TN15 only)
TN15
=
15W thin film
P =
±50ppm
L =
±25ppm
V =
±10ppm
X =
±5ppm
Resistance
Example:
R075
=
75mΩ
7R50
=
7.5Ω
75R0 = 75Ω
7K50
=
7500Ω
Tolerance RoHS
F =
1%
Compliant
G=
2%
J =
5%
Maximum base plate temperature of the resistor must
be monitored and kept within specified limits to es-
tablish the power rating. Best technique is to attach a
thermocouple to the side of the base plate of the resis-
tor. Temperature of plastic housing or heat sink cannot
be used to establish rating of the resistor.
68
Ohmite Mfg. Co.
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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