tBh series
Ohmite’s TBH25 TO220 style
resistors are designed for a
variety of uses that require
intermediate heatsinkable
power at an economical price.
Engineered for industrial
applications, these resistors
deliver reliable performance
to traditional high-quality
Ohmite standards.
25 Watt TO220 Package Thick Film Power
F e at u r e s
• 25 Watts, @ 25°C case tem-
perature
• Non-Inductive Performance
• Low Thermal Resistance
• Anti-static tube packaging
available
• Economically priced
• Resistance element is elec-
trically insulated from metal
heat sink mounting tab
a P P L i c at i O N s
• Power Supplies
• Industrial Controls
• Automotive Steering
• Pre-load/Damping
• Snubber/Bleeder
• Current Sensing
characteristics
Resistor
Thick film element above 1Ω, Ni-Cu metal ele-
ment below 1Ω
Case
High Temperature Plastic
Terminals
Solder coated phospher bronze
Derating
100% @ 25°C to 0% @ 150°C curve refer-
enced to case temperature
Dielectric Strength
1000 VDC
Max. Mounting
0.9Nm
Torque
Operating
-55°C to +150°C
Temperature Range
Temperature
0.1-10Ω @ ±200ppm
Coefficient
11Ω-10KΩ @ ±50ppm
Thermal Resistance
5°C/W
Tolerance
5%
Power
25 Watts. Rating based on 25°C case tem-
perature. The case temperature is to be used
for the purposes of establishing the applied
power limit. The case temperature must be
made with thermocouple contacting the cen-
ter of the component’s mounting tab mounted
on designated heat sink.
Resistance Range
0.1Ω - 10KΩ. Standard values listed at left,
others available upon special request.
Max. Operating
350V
Voltage
Test Condition
Load Life
(1000hrs @ rated power)
Moisture
(MIL-STD-202, method 106)
Resistance
Result
max. ∆R ±1%
max. ∆R ±0.5%
Short Time
(2x rated power, not to exceed max. ∆R ±0.3%
Overload
1.5x max. operating voltage)
Solderability
(MIL-STD-202, method 208)
Thermal Shock
(MIL-STD-202, method 107,
cond. F)
Terminal
(MIL-STD-202, method 211,
Strength
cond. A (pull test) 2.4N)
Vibration
(MIL-STD-202, method 204,
cond. D)
max. ∆R ±0.3%
max. ∆R ±0.2%
max. ∆R ±0.2%
(continued)
146
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
tBh series
(mm)
25 Watt TO220 Package Thick Film Power
dimeNsiONs
4.06 ~ 4.82mm
9.91 ~ 10.41mm
3.55 ~
3.95mm
2.65 ~ 3.05mm
1.20 ~ 1.40mm
5.85 ~
6.35mm
14.50 ~
15.00mm
Molding
1.17 ~
1.37mm
0.70 ~ 0.86
4.00mm max.
12.70 ~ 14.70
0.40 ~ 0.70mm
4.83 ~ 5.33mm
2.05 ~ 2.52mm
Note: These dimensions apply to TBH products manufactured after June 10, 2016
O r d e r i N g i N F O r m at i O N
RoHS compliant
Non-RoHS version unavailable
Standard Part Numbers
Ohms
2
7.5
10
15
22
Part Number
5% Tolerance
TBH25P2R00JE
TBH25P7R50JE
TBH25P10R0JE
TBH25P15R0JE
TBH25P22R0JE
Ohms
100
150
220
240
330
Part Number
5% Tolerance
TBH25P100RJE
TBH25P150RJE
TBH25P220RJE
TBH25P240RJE
TBH25P330RJE
TBH25P470RJE
TBH25P510RJE
TBH25P1K00JE
TBH25P1K50JE
TBH25P2K00JE
TBH25P2K70JE
TBH25P10K0JE
TBH25P2R00JE
Series
Ohm Value
Example:
R100 = 0.1Ω
10R0 = 10Ω
1K50 = 1500Ω
Tolerance
J = 5%, standard
30
33
47
51
75
TBH25P30R0JE
TBH25P33R0JE
TBH25P47R0JE
TBH25P51R0JE
TBH25P75R0JE
2700
10,000
470
510
1000
1500
2000
THIS PRODUCT IS DESIGNED FOR
USE WITH PROPER HEATSINKING.
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.
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
147
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