TR Series
Stackpole Electronics, Inc.
Resistive Product Solutions
TO-220 and TO-247 Style Power Resistor
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TR20/30/35/50/50H comes in TO-220 style power package
TR100 available in TO-247 style power package
TR30/35/50H/100 has single screw mounting to heat sink
Molded case for environmental protection
Electrically isolated case
Features:
Non-inductive package
Electrical Specifications
Power Rating (Watts) Power Rating Maximum
Resistance
Temperature
Coefficient
Ohmic Range (Ω) and Tolerance
Package
Style
@ 25ºC with
Heat Sink (3)
(Watts)
@ 25ºC
Working
Voltage (1)
Type / Code
TR20
0.5%
1%
10 - 10K
3.01 - 10K
3.01 - 10K
1.02 - 3
-
5%
10%
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
±50 ppm/ºC
±100 ppm/ºC
±200 ppm/ºC
±300 ppm/ºC
(2)
10 - 10K
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
TO-220
20W
3W
10 - 10K
350V
10 - 10K
TR30
TR35
TO-220
TO-220
30W
35W
2.25W
2.5W
-
-
0.05 - 1
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
0.05 - 1
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
±50 ppm/ºC
±100 ppm/ºC
±200 ppm/ºC
±300 ppm/ºC
(2)
10 - 10K
10 - 10K
3.01 - 10K
3.01 - 10K
1.02 - 3
-
TR50
TO-220
TO-220
50W
50W
3W
350V
420V
10 - 10K
10 - 10K
-
-
-
-
-
-
-
TR50H
2.25W
0.1 - 1
0.1 - 1
±50 ppm/ºC
±100 ppm/ºC
±200 ppm/ºC
±300 ppm/ºC
(2)
10 - 10K
3.01 - 10K
3.01 - 10K
1.02 - 3
-
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
TR100
TO-247
100W
3.5W
700V
0.05 - 1
0.05 - 1
(1) Lesser of √PR or maximum working voltage
(2) Unspecified TCR. Contact Factory.
(3) The case temperature is to be used for the definition of the applied power limit. Refer to Power Derating Curve.
Environmental Characteristics
Specification
Test Item
Test Method
TR20/30/35/50/50H
TR100
2 times rated power with applied voltage not to exceed 1.5 times
maximum continuous operating voltage for 5 seconds
Short Time Overload
∆R ± (0.3% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
Load Life
∆R ± (1% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
∆R ± (0.3% + 0.001Ω)
∆R ± (0.2% + 0.001Ω)
∆R ± (0.2% + 0.001Ω)
∆R ± (1% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
∆R ± (0.2% + 0.001Ω)
∆R ± (0.4% + 0.001Ω)
MIL-R-39009, 2000 hours at rated power
MIL-STD-202, Method 103B
Moisture Resistance
Thermal Shock
MIL-STD-202, Method 107G
Terminal Strength
Vibration, High Frequency
Dielectric Strength
Insulation Resistance
MIL-STD-202, Method 211, Condition A (Pull Test) 2.4N
MIL-STD-202, Method 204, Condition D
1800VAC
10GΩ min.
Operating Temperature Range: -65ºC to + 150ºC (TR20/TR30/TR50/TR50H)
-65ºC to + 175ºC (TR35/TR100)
Rev Date: 03/14/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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