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TR Series
TO-220 and TO-247 Style Power Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Features: ?
?
?
?
?
?
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
Package
Style
Power Rating (Watts) Power Rating
@ 25oC with (Watts)
Heat Sink (3) @ 25oC
Maximum
Working
Voltage (1)
Resistance
Temperature
Coefficient
0.5%
Ohmic Range (Ω) and Tolerance
1% 5%
10%
TR20
TO-220
20W
3W
±50 ppm/oC
±100 ppm/oC
10 - 10K
10 - 10K
10
3.01
-
-
10K
10K
10
3.3
-
-
10K
10K
10
3.3
-
-
10K
10K
TR30
TO-220
30W
2.25W
350V
±200 ppm/oC
±300 ppm/oC
10 - 10K
-
3.01
1.02
-
-
10K
3
3.3
1.1
-
-
10K
3
3.3
1.1
-
-
10K
3
TR35
TO-220
35W
2.5W
(2)
±50 ppm/oC
-
10 - 10K
10
-
-
10K
0.05
10
-
-
1
10K
0.05
10
-
-
1
10K
TR50
TO-220
50W
3W
350V
±100 ppm/oC
10 - 10K
3.01
-
10K
3.3
-
10K
3.3
-
10K
±200 ppm/oC
10 - 10K
3.01
-
10K
3.3
-
10K
3.3
-
10K
TR50H
TO-220
50W
2.25W
420V
±300 ppm/oC
(2)
-
-
1.02
-
-
3
1.1
0.1
-
-
3
1
1.1
0.1
-
-
3
1
±50 ppm/oC
±100 ppm/oC
-
-
10
3.01
-
-
10K
10K
10
3.3
-
-
10K
10K
10
3.3
-
-
10K
10K
TR100
TO-247
100W
3.5W
700V
±200 ppm/oC
-
3.01
-
10K
3.3
-
10K
3.3
-
10K
±300 ppm/oC
(2)
-
-
1.02
-
-
3
1.1
0.05
-
-
3
1
1.1
0.05
-
-
3
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
TR20/30/35/50/50H
TR100
Test Method
Short Time Overload
Load Life
Moisture Resistance
Thermal Shock
Terminal Strength
Vibration, High Frequency
?R ± (0.3% + 0.001Ω)
?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 ± (0.5% + 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)
2 times rated power with applied voltage not to exceed 1.5 times
maximum continuous operating voltage for 5 seconds
MIL-R-39009, 2000 hours at rated power
MIL-STD-202, Method 103B
MIL-STD-202, Method 107G
MIL-STD-202, Method 211, Condition A (Pull Test) 2.4N
MIL-STD-202, Method 204, Condition D
Dielectric Strength
Insulation Resistance
Operating Temperature Range:
-65oC to + 150oC (TR20/TR30/TR50/TR50H)
-65oC to + 175oC (TR35/TR100)
1800VAC
10GΩ min.
Rev Date: 09/19/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
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