MPR Series
Flameproof Metal Plate Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Rev Date: 09/06/2011 1 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.
Maximum Maximum
Type / Code Working Overload
Voltage Voltage 5% 10%
MPR3 3W
MPR5 5W
MPRT3 3W + 3W
MPRT5 5W + 5W
MPRT7 7W + 7W
0.01 - 0.47 0.01 - 0.47
Power Rating
(Watts) @ 70ºC
Resistance
Temperature
Coefficient
Ohmic Range () and Tolerance
350V 700V ±350 ppm/ºC
Type / Code L W H d P Unit
0.5512 ± 0.0591 0.1969 ± 0.0394 0.5118 ± 0.0394 0.0315 ± 0.0039 0.3937 ± 0.0394 inches
14.0 ± 1.5 5.0 ± 1.0 13.0 ± 1.0 0.8 ± 0.1 10.0 ± 1.0 mm
0.5512 ± 0.0591 0.1969 ± 0.0394 0.7087 ± 0.0394 0.0315 ± 0.0039 0.3937 ± 0.0394 inches
14.0 ± 1.5 5.0 ± 1.0 18.0 ± 1.0 0.8 ± 0.1 10.0 ± 1.0 mm
1.0236 ± 0.0591 0.1969 ± 0.0394 0.5118 ± 0.0394 0.0315 ± 0.0039 0.3937 ± 0.0394 inches
26.0 ± 1.5 5.0 ± 1.0 13.0 ± 1.0 0.8 ± 0.1 10.0 ± 1.0 mm
1.0236 ± 0.0591 0.1969 ± 0.0394 0.7087 ± 0.0394 0.0315 ± 0.0039 0.3937 ± 0.0394 inches
26.0 ± 1.5 5.0 ± 1.0 18.0 ± 1.0 0.8 ± 0.1 10.0 ± 1.0 mm
1.0236 ± 0.0591 0.1969 ± 0.0394 0.7874 ± 0.0394 0.0315 ± 0.0039 0.3937 ± 0.0394 inches
26.0 ± 1.5 5.0 ± 1.0 20.0 ± 1.0 0.8 ± 0.1 10.0 ± 1.0 mm
MPRT3
MPRT5
MPRT7
MPR3
MPR5
Features:
• Small size with high power ratio
• Low resistance values and low inductance
• Crimped leads keep circuit board temperatures cooler
• RoHS compliant / lead-free
Electrical Specifications
Mechanical Specifications
MPR Series
Flameproof Metal Plate Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Rev Date: 09/06/2011 2 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.
150
120
80
40
0
10 20 40 60 80 100
Load Factor (%)
10W
5W
3W
2W
Temperature Rise ( ºC)
Ambient Temperature (ºC)
150 200 250 300
25
050 100
100
85
50
Percent Rated Power (%)
275
25
Test Test Limit Test Method (JIS 5202)
Short Time Overload R (2% Ro+0.05) 2.5X, 5 sec.
Dielectric Withstanding Voltage 500V 5.7
Thermal Shock R (2% Ro+0.05) JIS 5026 6.7
Temperature Coefficient ±350PPM/°C 5.2 B
Load Life R (3% Ro+0.05)7.10
Load Life w/Humidity R (3% Ro+0.05)7.9
Power Derating Curve:
Load Factor:
Performance Characteristics
MPR Series
Flameproof Metal Plate Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Rev Date: 09/06/2011 3 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.
1234567891
MPR3 JB1 0L0
0
Resistance Tolerance
0.01 5%
T
y
pe Description Code Watta
g
e Tolerance T
y
pe Qt
y
Description Code
MPR Single 3 3W 5% All 1,000 Bulk B
MPRT Twin 55W 10%
77W
Packaging
BMPR
SEI Type Code
3
Size
MPR Single 3 Code Quantity
MPRT Twin 5 B1,000
7
Code
"L" used as multiplier of
10
-3
for any value
under 0.1 ohm.
0.1 ohm = R100
Tol
5%
1 ohm = 1R00
Bulk
0.01 ohm = 10L0
All Sizes
Four characters with the
multiplier used as the
decimal holder.
Description
Product Series Power Tolerance
Size
Resistance Value
3W
Packaging
5W
10%7W
J
K
Legacy Part Number (before January 3, 2011):
How to Order
