· Non-inductive, high power resistor.
· Thermally enhanced Industry standard TO-247 package.
· Extremely Low thermal resistance, 0.9 °C/W resistor
hot spot to metal tab.
· Complete thermal flow design available for easy implementation.
· Small thin package for high density PCB installation.
· RoHS compliant.
Applications
· High frequency circuits and RF power amplifiers.
· UPS and power supply circuits
· Motor control and power/RF power amplifiers.
· Industrial power equipment.
· PLC drivers.
· Inrush current protection.
140W TO247
High Power Resistors
MHP 140
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© TT electronics plc
04.12
Note:
1. Electrically isolated metal tab.
2. Recommend the use of thermal grease between metal tab and heat sink.
3. Thermal design should account for a thermal resistance between resistor and tab of 0.9°C/W and a maximum resistor temperature of 155°C.
4. Resistances greater than 220Ω are available, please call factory.
5. Current rating: 25A maximum.
Items Specification Conditions
Power Rating 140 Watts @ Tab Temp < 25°C
Power Rating 2.0 Watts Free air.
Resistance Range 0.01-0.09 Ω0.1-9.1 Ω10-220 ΩExtended resistance range to 51KΩ avail.
Nominal Resistance Series E6 E12 E24 2.0 Ω and 5.0 Ω also available.
TCR 250 ppm/°C 100 ppm/°C 50 ppm/°C For -55 to +155°C
Tolerance 5% 5% and 1% 1%
Operation Temp. Range -55 - +155 °C
Rated Voltage (Max). 700V or √(P*R)
Dielectric Withstand Voltage 2500 Volt 60 seconds.
Load Life ΔR +/- (1.0 %+0.05 Ω) 25°C, 90 min. ON, 30 min.OFF, 1000 hours.
Humidity ΔR +/- (1.0 %+0.05 Ω) 40°C, 90-95% RH, DC 0.1W, 1000 hours.
Temperature Cycle ΔR +/- (0.25 %+0.05 Ω) -55°C, 30 min.,+155°C 30min., 5cycles.
Soldering Heat (Max) ΔR +/- (0.25 %+0.05 Ω) 250+/-5°C, 3 seconds,
Solderability Min 75% coverage 230+/-5°C, 3 seconds.
Insulation Resistance Over 1000 MΩBetween terminals and metal back plate.
Vibration ΔR +/- (0.25 %+0.05 Ω)
Specifications
Pulse Energy Durability
Pulse peak power (W)
Tentative continuous-pulse power allowance at duty 0.01
Load life test will be necessary in actual equipment.
Because curve will be changed by resistance, repetition,
duty and operating temperature.
MHP140-100F
140W
1350W
100K
10K
1K
100
10
10n 100n 1u 10u 100u 1m 10m 100m 1 10 100
Pulse width (seconds)
DDeerraattiinngg CCuurrvvee
ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ
Power rating (Watts)
150
25°C
125
100
75
50
25
+155°C
0
-50 0 50 100 150 200
Flan
g
e Tem
p
erature
(
°C
)
Frequency Characteristics
Impedance (Ω)
1K
100
10
1
10K 100K 1M 10M 100M 1G
Frequency (Hz)
MHP140 100 F
Temperature Rise
140
120
100
80
60
40
20
0
0 25 50 75 100 125 150
Power (Watts)
MHP140 1R5J
140W TO247 High Power Resistors
MHP 140
Electrical Performance
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© TT electronics plc
04.12
MHP140
mm
A 16.0 ± 0.2
B 20.0 ± 0.5
C 4.8 ± 0.2
D 3.2 ± 0.1
E 14.5 ±0.5
F - -
G 5.1 ±0.5
H 3.63 ± 0.2
J - -
K 0.8 ± 0.05
L -
M 10.9 ±0.1
N
140W TO247 High Power Resistors
MHP 140
Ordering Information
Mounting Recommendations
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© TT electronics plc
04.12
MHP 140 500 F
Model
Resistance Code
0.1Ω : 0R1
50 Ω : 500 First two digits significant, last digit: number of trailing zeros
Tolerance
J = 5% Tol
F = 1% Tol
Sufficient torque must be used to obtain optimum heat transfer.
Epoxy Molding
Copper Wire Leads
Conductor
Resistor Film
Alumina
ㅤㅤ Copper Plate
Dimensions
