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FEATURES
? 70 WATT POWER RATING AT 25°C
CASE TEMPERATURE
? NON-INDUCTIVE PERFORMANCE
? LOW THERMAL RESISTANCE
? ROHS COMPLIANT DESIGN
Case: HIGH TEMPERATURE PLASTIC
P Package: MIDDLE TERMINAL IS
ELECTRICALLY CONNECTED TO HEADER
AND INSULATED FROM LEFT AND RIGHT
TERMINALS
M Package: NO MIDDLE TERMINAL
TEH70 Series
70 Watt TO247 Package
Thick Film Power
? TWO OR THREE TERMINAL VERSIONS
AVAILABLE
? HEAT SINK CAN BE GROUNDED
THROUGH MIDDLE TERMINAL (P STYLE)
SPECIFICATIONS
Material
Resistor: THICK FILM ON ALUMINA
Lead: SOLDER COATED PHOSPHOR
BRONZE
Solder: 100% SN
Electrical
Derating: LINEAR, 100% AT 25°C TO
0% AT 150°C
Resistance range: 2 Ω -10K Ω
Max. working voltage: 500V OR
OHM’S LAW LIMITED
Thermal Resistance: 1.79°C/W
Temperature Coefficient:
2 Ω -10 Ω : ±100PPM
10 Ω -10K Ω : ±50PPM
Insulation Resistance: 400 M Ω
Short time overload: 2X RATED
POWER FOR 5 SEC., NOT TO EXCEED
1.5X MAX. WORKING VOLTAGE
Dielectric Strength: 2000 VDC
P style
(standard)
0.83"
(21.08mm)
0.80"
(20.32mm)
0.63"
(15.90mm)
0.25"
(6.24mm)
?0.15"
( ? 3.84mm)
0.08"
(2.03mm)
0.05"
(1.22mm)
M style
(optional)
0.20"
(5.08mm)
0.025"
(0.64mm)
Test
LOAD LIFE
MOISTURE RESISTANCE
SHORT TIME OVERLOAD
SOLDERABILITY
THERMAL SHOCK
T E S T D ATA
Conditions Of Test
1000 HRS @ RATED POWER
MIL -STD-202, METHOD 106
2X RATED POWER FOR 5 SEC., NOT TO EXCEED
1.5X MAX. WORKING VOLTAGE
MIL-STD-202, METHOD 208
MIL-STD-202, METHOD 170, COND. F
Performance
±1% ? R
±0.5% ? R
±0.3% ? R
±0.2% ? R
0.21"
(5.41mm)
0.43"
(10.82mm)
DERATING
100
Connected to
heatsink for
grounding
0.09"
(2.29mm)
70
S TA N D A R D PA RT N U M B E R S F O R T E H S E R I E S
80
56
Ohms
2
3
4
5
7.5
P-type
3-TERMINAL
TEH70P2R00JE
TEH70P3R00JE
TEH70P4R00JE
TEH70P5R00JE
TEH70P7R50JE
M-type
2-TERMINAL
TEH70M2R00JE
TEH70M3R00JE
TEH70M5R00JE
TEH70M7R50JE
60
40
20
42
28
14
10
15
20
24
33
TEH70P10R0JE
TEH70P15R0JE
TEH70P20R0JE
TEH70P24R0JE
TEH70M10R0JE
TEH70M15R0JE
TEH70M24R0JE
TEH70M33R0JE
0
0
25 50 75 100 125 150
Bottom of base plate Temperature, ° C
175
0
Series
Ohms
R = Decimal
39
47
68
75
100
150
270
470
680
750
1000
1500
2000
3000
5000
7500
10000
TEH70P47R0JE
TEH70P68R0JE
TEH70P100RJE
TEH70P150RJE
TEH70P270RJE
TEH70P470RJE
TEH70P750RJE
TEH70P1K00JE
TEH70P1K50JE
TEH70P2K00JE
TEH70P5K00JE
TEH70P7K50JE
TEH70M39R0JE
TEH70M47R0JE
TEH70M68R0JE
TEH70M75R0JE
TEH70M100RJE
TEH70M150RJE
TEH70M270RJE
TEH70M470RJE
TEH70M680RJE
TEH70M750RJE
TEH70M1K00JE
TEH70M1K50JE
TEH70M2K00JE
TEH70M3K00JE
TEH70M5K00JE
TEH70M10K0JE
O R D E R I N G I N F O R M AT I O N
Package Code RoHS Compliant
P = three terminals Non-compliant
M = two terminals version unavailble
????????????
Tolerance
J = 5%
Example:
10R2 = 10.2 ohms
100R = 100 ohms
15K0 = 15,000 ohms
Check product availability at www.ohmite.com
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.
Check product availability
using the Worldwide Inventory
Search at ohmite.com
1-866-9-OHMITE ? INT’L 1-847-258-0300 ? FAX 1-847-574-7522 ? WWW.OHMITE.COM ? INFO@OHMITE.COM
Ohmite Mfg. Co.
55
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