TR Series
Stackpole Electronics, Inc.
TO-220 and TO-247 Style Power Resistor
Features: •
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Resistive Product Solutions
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
Non-inductive package
Electrical Specifications
Type / Code
Power Rating (Watts) Power Rating
Package
@ 25ºC with
(Watts)
Style
Heat Sink (3)
@ 25ºC
Maximum
Working
Voltage(1)
TR20
TO-220
20W
3W
TR30
TO-220
30W
2.25W
TR35
TO-220
35W
2.5W
TR50
TO-220
50W
3W
350V
TR50H
TO-220
50W
2.25W
420V
TR100
TO-247
100W
3.5W
700V
350V
Resistance
Temperature
Coefficient
±50 ppm/ºC
±100 ppm/ºC
±200 ppm/ºC
±300 ppm/ºC
(2)
±50 ppm/ºC
±100 ppm/ºC
±200 ppm/ºC
±300 ppm/ºC
(2)
±50 ppm/ºC
±100 ppm/ºC
±200 ppm/ºC
±300 ppm/ºC
(2)
Ohmic Range (Ω) and Tolerance
0.5%
10 - 10K
10 - 10K
10 - 10K
10 - 10K
10 - 10K
10 - 10K
-
1%
10 - 10K
3.01 - 10K
3.01 - 10K
1.02 - 3
10 - 10K
3.01 - 10K
3.01 - 10K
1.02 - 3
10 - 10K
3.01 - 10K
3.01 - 10K
1.02 - 3
-
5%
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
0.1 - 1
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
0.05 - 1
10%
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
0.1 - 1
10 - 10K
3.3 - 10K
3.3 - 10K
1.1 - 3
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
Test Item
Specification
Test Method
TR20/30/35/50/50H
TR100
Short Time Overload
∆R ± (0.3% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
2 times rated power with applied voltage not to exceed 1.5 times
maximum continuous operating voltage for 5 seconds
Load Life
∆R ± (1% + 0.001Ω)
∆R ± (1% + 0.001Ω)
MIL-R-39009, 2000 hours at rated power
Moisture Resistance
∆R ± (0.5% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
MIL-STD-202, Method 103B
Thermal Shock
∆R ± (0.3% + 0.001Ω)
∆R ± (0.5% + 0.001Ω)
MIL-STD-202, Method 107G
Terminal Strength
∆R ± (0.2% + 0.001Ω)
∆R ± (0.2% + 0.001Ω)
MIL-STD-202, Method 211, Condition A (Pull Test) 2.4N
Vibration, High Frequency
∆R ± (0.2% + 0.001Ω)
∆R ± (0.4% + 0.001Ω)
MIL-STD-202, Method 204, Condition D
Dielectric Strength
1800VAC
Insulation Resistance
10GΩ min.
Operating Temperature Range:
-65ºC to + 150ºC (TR20/TR30/TR50/TR50H)
-65ºC to + 175ºC (TR35/TR100)
Rev Date: 07/14/2011
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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