F E A T U R E S
S P E C I F I C A T I O N S
• 85 Watt power rating at 25°C
case temperature
Material
TFH Series
Resistor: thick film on alumina
Lead: solder coated phosphor
bronze
• Non-inductive performance
• Low thermal resistance
• RoHS compliant design
• Two or three terminals versions
available
85 Watt TO264 Package
Thick Film Power
Solder: 100% Sn
Case: high temperature plastic
P Package: middle terminal is
electrically connected to header
and insulated from left and right
terminals
0.79"
(20.07mm)
0.20"
P style
M style
(5.08mm)
(standard)
(optional)
• Heat sink can be grounded
through middle terminal (P style)
0.25"
(6.35mm)
M Package: no middle terminal
1.03"
(26.16mm)
ø0.15"
(ø3.81mm)
Electrical
Resistance range: 2Ω-10KΩ
Max. working voltage: 500V or
Ohm’s law limited
Thermal Resistance: 1.47°C/W
Temperature Coefficient:
2Ω-10Ω: ±100ppm
0.10"
(2.54mm)
0.80"
(20.32mm)
0.025"
(0.64mm)
0.05"
(1.27mm)
10Ω-10KΩ: ±50ppm
Insulation Resistance: 400MΩ
Short time overload: 2x rated
power (not to exceed 1500V)
Derating: linear, 100% at 25°C to
0% at 150°C
0.07"
(1.78mm)
0.21"
(5.33mm)
Connected
to metal
header
0.43"
(10.92mm)
D E R A T I N G
O R D E R I N G I N F O R M AT I O N
100
85
68
51
34
17
0
Package Code
80
60
40
20
0
P = three terminals
M = two terminals
RoHS compliant
� ꢀ ꢁ ꢂ ꢃ ꢄ ꢅ ꢆ ꢇ ꢆ ꢈ ꢉ
Tolerance
J = 5%
Series
Ohms
R = Decimal
Example:
10R2 = 10.2 ohms
100R = 100 ohms
10K0 = 10,000 ohms
0
25
50
75
100
125
150
175
Ambient Temperature, °C
S TA N D A R D P A R T N U M B E R S F O R T F H S E R I E S
P E R F O R M A N C E D ATA
Load life
1000 hrs @ rated power
max. ΔR ±1%
max. ΔR ±0.5%
max. ΔR ±0.3%
P-type
M-type
Ohms
3-terminal
2-terminal
Moisture resistance MIL -STD-202, method 106
2
3
5.1
6.8
7.5
TFH85P2R00JE
TFH85P5R10JE
TFH85P7R50JE
Short time overload 2x rated power for 5 sec.,
TFH85M3R00JE
TFH85M6R80JE
not to exceed 1500 V
Solderability
MIL-STD-202, method 208
Thermal shock
MIL-STD-202, method 170, cond. F
max. ΔR ±0.2%
10
TFH85P10R0JE
TFH85P15R0JE
TFH85M10R0JE
15
24
33
39
TFH85M24R0JE
TFH85M33R0JE
TFH85P39R0JE
51
68
TFH85P51R0JE
TFH85P68R0JE
TFH85P75R0JE
TFH85P100RJE
TFH85M51R0JE
75
100
150
TFH85M100RJE
TFH85M150RJE
220
330
TFH85P220RJE
TFH85P330RJE
To see the latest in resistor
technology click on the “What’s
New” tab at ohmite.com
470
TFH85M470RJE
TFH85M1K00JE
750
1000
TFH85P750RJE
TFH85P1K00JE
1500
2700
3300
4700
6800
TFH85P1K50JE
TFH85P3K30JE
TFH85P6K80JE
TFH85M2K70JE
TFH85M4K70JE
7500
10000
TFH85P7K50JE
TFH85P10K0JE
TFH85M10K0JE
Check product availability at www.ohmite.com
60
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com