Rev Date: 9/30/2009 47 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
MPR Series
Flameproof Metal Plate Resistor Stackpole Electronics, Inc.
Resistive Product Solutions
Features:
• Small size with high power ratio
• Low resistance values and low inductance
• Crimped leads keep circuit board temperatures cooler
• RoHS compliant / lead-free
Maximum Maximum
Type / Code Working Overload
Voltage Voltage 5% 10%
MPR 3 3W
MPR 5 5W
MPRT 2 2W + 2W
MPRT 3 3W + 3W
MPRT 5 5W + 5W
MPRT 7 7W + 7W
Power Rating
(Watts) @ 70ºC
Resistance
Temperature
Coefficient
Ohmic Range and Tolerance
350V 700V ±350 ppm/ºC
0.01Ω - 1Ω0.01Ω - 1Ω
0.22Ω - 0.56Ω 0.03Ω - 0.56Ω
Electrical Specifications
Type / Code A B H H1 P Units
±0.0394 0.0394 0.0394 0.0394 0.0394 inches
±11111
0.5512 0.1969 0.5118 0.5118 0.3937 inches
14 5 131310
0.5512 0.1969 0.7087 0.5118 0.3937 inches
14 5 181310
1.0236 0.1969 0.3346 0.5118 0.3937 inches
26 5 8.5 13 10 mm
1.0236 0.1969 0.5118 0.5118 0.3937 inches
26 5 131310
1.0236 0.1969 0.7087 0.5118 0.3937 inches
26 5 181310
1.0236 0.1969 0.7874 0.5118 0.3937 inches
26 5 201310
MPRT 3
MPRT 5
MPRT 7
Tolerance
MPR 3
MPR 5
MPRT 2
mm
mm
mm
mm
mm
mm
Mechanical Specifications
Resistance Tolerance
0.47 5%
Type Description Code Wattage Tolerance Type Qty Description Code
MPR Single 2 2W 5% All 1,000 Bulk B
MPRT Twin 33W 10%
55W
77W
Packaging
BMPR
SEI Type Code
3
How to Order
Rev Date: 9/30/2009 48 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
MPR Series
Flameproof Metal Plate Resistor Stackpole Electronics, Inc.
Resistive Product Solutions
Ambient Temperature (ºC)
150 200 250 300
25
050 100
Power Derating Curve
100
85
50
Percent Rated Power (%)
275
25
150
120
80
40
0
10 20 40 60 80 100
10W
5W
3W
2W
Load Factor (%)
Temperature Rise ( ºC)
Test Test Results
Short Time Overload 2% ± 0.05
Humidity Load Life 3% ± 0.05
Temp Cycling 2% ± 0.05
Resistance to Soldering Heat 2% ± 0.05
Load Life @ 70ºC - 1,000 hours 3% ± 0.05
Performance Characteristics
