Radial Leaded High Power Resistors
Type MPR Series
Type MPR Series Characteristics -
Electrical
Resistance Range: R22 - R91 1R0 - 9R1 10R - 51K
Resistance Tolerance: 5% 5% 1% / 5%
Temp. Coefficient of Resistance (TCR): 250ppm/C 100ppm/C 50ppm/C
Rated Power (on Suitable Heatsink): 20 Watts
Rated Power (W/O Heatsink): 2 Watts * (See note below)
Equivalent Parallel Capacitance: 1.0 pF
Maximum Operating Voltage: 500V dc
Withstand Voltage: 2000 V dc (Between terminals and heatsink)
This small size non-inductive, high
Operating Temperature Range: -55C to +155C
power resistor is an innovative and
Rated Ambient Temperature: -25C to +40C
significant first for Tyco Electronics.
* With a 5.8C watt heatsink or better at a 25C ambient temperature, 20 watts can be dissipated
Occupying a standard T0220
A larger heatsink will allow the resistor to run at a lower temperature.
package it is ideally suited to
positions where high power
Characteristics -
dissipation, small size and tight
Mechanical
tolerance are key design
Test Condition Specification
requirements.
Life (Rated Power): 40C, rated power, 90 min-on, R (1.0% + 0.05 ohm)
This series is an ideal solution for
30 min off, 1000 hours
the output side of high speed pulse
Life (Moisture Load): 60C, 90 - 95% RH, rated power, R (1.0% + 0.05 ohm)
generators, a surge absorption
90 min ON 30 min OFF, 1000 hours
resistor in switch mode power
Temperature Cycling: Room temp > -55C 30 min > R (0.25% + 0.05 ohm)
supplies and for monitors, display
RT, 10 min 120C 30 min >
RT 10 min, 5 cycles
terminals, scientific workstations
Short Time Overload: Rated voltage x 2.5, 5sec R (0.25% + 0.05 ohm)
and other brown and white goods.
Soldering Heat: 350C solder pot, 3sec R (1.0% + 0.05 ohm)
Insulation Resistance: DC 100 V, 1 min Over 1000M ohm
Key Features
Vibration: 10 - 50 Hz, 1 min, 20G, X-Y-Z 1 hour R (0.5% + 0.05 ohm)
Small Size (T0220
Package)
Easy to Mount
Non Inductive
Power Derating Curve
High Frequency Range
up to 300MHz
100
Temperature Range
75
-55C to +155C
High Power 20W with
50
Suitable Heatsink
25
Voltage Proof 2000V dc
Non Flammable
0
-50 0 25 50 75 100 125 155
Case Temp. (Metal Tab. Temp. C)
Load Life in High Temperature & Humidity
(70C 95% DC Rated Power x 0.1) Continuous
0.21
0.01
0
-0.01
-0.02
0
0 500 1000 1500 2000
Time (Hrs)
Literature No. 1773251 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com
Issued: 10-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com
otherwise specified.
Power Rating %
Resistance Change (%)Radial Leaded High Power Resistors
Type MPR Series
Dimensions
PCB Piercing Plan
How to Order
MPR 20 C 680R J
Common Part Wattage Rating @ Temp. Coefficient Resistance Value Tolerance
25C with Heatsink of Resistance
0.1 ohm
(100 milliohms) R10
C - 50ppm/C
F - 1%
MPR - High Power 1 ohm
Film Resistor
20 - 20 Watts A - 100ppm/C (1000 millohms) 1R0
J - 5%
1K ohm
H - 250ppm/C
(1000 ohms) 1K0
Literature No. 1773251 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com
Issued: 10-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com
otherwise specified.