MR/MRS/TMR Series
Low Resistance Value Resistor – Molded 2 and 4 Leads
Stackpole Electronics, Inc.
Resistive Product Solutions
Features:
?
?
?
?
?
?
?
?
?
?
Metal element resistors
Excellent load life stability
Inherently non-inductive
Tinned copper leads
Low temperature coefficient
RoHS compliant
Molded bodies
TMR – Kelvin Bridge Test
MRS high stability version
Cut and formed product is available on selected sizes -
contact factory for details
Electrical Specifications
Type / Code
MR1
MR3
MR5
MR10
TMR3
TMR5
Power Rating
(Watts)
@ 70oC
1W
3W
5W
10W
3W
5W
Short Time Overload
5 sec. at 5x rated power
5 sec. at 5x rated power
5 sec. at 5x rated power
5 sec. at 5x rated power
5 sec. at 5x rated power
5 sec. at 5x rated power
Dielectric
Strength
500 VAC
500 VAC
500 VAC
500 VAC
500 VAC
500 VAC
Resistance Temperature
Coefficient
±50 to ±400 ppm/oC (1)
±50 to ±400 ppm/oC (1)
±50 to ±400 ppm/oC (1)
±50 to ±400 ppm/oC (1)
±40 ppm/oC
±40 ppm/oC
Ohmic Range ( ? ) and
Tolerance
1%, 5%
0.01 - 0.1
0.005 - 0.2
0.005 - 0.3
0.01 - 0.5
0.005 - 0.2
0.005 - 0.3
(1) TCR is value dependent. Contact factory for specific data.
MR
Mechanical Specifications
TMR
Type / Code
A
Body Length
B
Body Diameter
C
Lead Length (Bulk)(1)
D
Lead Diameter
E
Lead Spacing
(Ref.)
Unit
MR1
MR3
MR5
MR10
TMR3
TMR5
0.385
9.78
0.560
14.22
0.925
23.50
1.925
48.90
0.625
15.88
0.940
23.88
±
±
±
±
±
±
±
±
±
±
±
±
0.015
0.38
0.015
0.38
0.015
0.38
0.015
0.38
0.015
0.38
0.015
0.38
0.135
3.43
0.205
5.21
0.330
8.38
0.475
12.07
0.205
5.21
0.330
8.38
±
±
±
±
±
±
±
±
±
±
±
±
0.015
0.38
0.015
0.38
0.015
0.38
0.015
0.38
0.015
0.38
0.015
0.38
1.375
34.93
1.375
34.93
1.375
34.93
1.375
34.93
1.375
34.93
1.375
34.93
±
±
±
±
±
±
±
±
±
±
±
±
0.125
3.18
0.125
3.18
0.125
3.18
0.125
3.18
0.125
3.18
0.125
3.18
0.032
0.81
0.032
0.81
0.036
0.91
0.036
0.91
0.032
0.81
0.036
0.91
±
±
±
±
±
±
±
±
±
±
±
±
0.002
0.05
0.002
0.05
0.002
0.05
0.002
0.05
0.002
0.05
0.002
0.05
-
-
-
-
0.125
3.18
0.200
5.08
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
(1) See "Resistor Packaging Specification Document" for lead length dimension for tape and reel packaged product
Rev Date: 07/27/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
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