NMCR Series
Non-Magnetic Chip Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
NMCR HAS BEEN REPLACED BY NMCT
Features:
•
•
•
•
NMCR series provides standard wrap-around termination
Pd-Ag terminations require epoxy adhesive for attachment
Zero ohm available (max. 0.05Ω)
RoHS compliant
Electrical Specifications
Type / Code
Package
Size
Power Rating
(Watts)
@70ºC
0.063W
1A
0603
0.100W
1A
0805
0.125W
150V
300V
50V
100V
Maximum
Working
Voltage
50V
Maximum
Overload
Voltage
100V
Resistance
Temperature
Coefficient
±200
±100
±200
-
±200
±100
±200
-
±200
±100
±200
±200
±100
±200
-
±200
±100
±200
-
±200
±100
±200
-
±200
±100
±200
-
Ohmic Range (Ω) and Tolerance
1%
1 - 9.76
10 - 1M
1.02M - 10M
0Ω (<50mΩ)
1 - 9.76
10 - 1M
1.02M - 10M
0Ω (<50mΩ)
1 - 9.76
10 - 1M
1.02M - 10M
1 - 9.76
10 - 1M
1.02M - 10M
0Ω (<50mΩ)
1 - 9.76
10 - 1M
1.02M - 10M
0Ω (<50mΩ)
1 - 9.76
10 - 1M
1.02M - 10M
0Ω (<50mΩ)
1 - 9.76
10 - 1M
1.02M - 10M
0Ω (<50mΩ)
5%
NMCR 0402
Jumper
NMCR 0603
Jumper
NMCR 0805
0402
NMCR 1206
Jumper
NMCR 1210
Jumper
NMCR 2010
Jumper
NMCR 2512
Jumper
1206
0.250W
2A
200V
400V
1210
0.330W
2.5A
200V
400V
2010
0.750W
3.5A
200V
400V
2512
1.000W
4A
250V
500V
Operating Voltage =
√(P*R)
or maximum operating voltage listed above, whichever is lower.
Overload Voltage = 2.5√(P*R) or maximum overload voltage listed above, whichever is lower.
1
Lesser of
√PR
or maximum working voltage.
Rev Date: 03/18/2011
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
1
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marketing@seielect.com
NMCR Series
Non-Magnetic Chip Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Mechanical Specifications
Type / Code
NMCR 0402
NMCR 0603
NMCR 0805
NMCR 1206
NMCR 1210
NMCR 2010
NMCR 2512
L
Body Length
0.039 ± 0.002
1.00 ± 0.05
0.063 ± 0.004
1.60 ± 0.10
0.079 ± 0.008
2.00 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
0.126 ± 0.008
3.20 ± 0.20
0.197 ± 0.008
5.00 ± 0.20
0.248 ± 0.008
6.30 ± 0.20
W
Body Width
0.020 ± 0.002
0.50 ± 0.05
0.031 ± 0.004
0.80 ± 0.10
0.049 ± 0.004
1.25 ± 0.10
0.063 ± 0.006
1.60 ± 0.15
0.098 ± 0.008
2.5 ± 0.20
0.098 ± 0.008
2.5 ± 0.20
0.126 ± 0.008
3.2 ± 0.20
H
Body Height
0.014 ± 0.002
0.35 ± 0.05
0.018 ± 0.004
0.45 ± 0.10
0.020 ± 0.006
0.50 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
0.021 ± 0.006
0.55 ± 0.15
a
Top Termination
0.008 ± 0.004
0.20 ± 0.10
0.012 ± 0.008
0.30 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.010
0.50 ± 0.25
0.020 ± 0.010
0.50 ± 0.25
0.024 ± 0.010
0.60 ± 0.25
0.024 ± 0.010
0.60 ± 0.25
b
Bottom Termination
0.008 ± 0.004
0.20 ± 0.10
0.012 ± 0.008
0.30 ± 0.20
0.016 ± 0.008
0.40 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
0.020 ± 0.008
0.50 ± 0.20
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Performance Characteristics
Test
Short Time Overload
Dielectric Withstanding Voltage
Resistance to Soldering Heat
Solderability
Test Conditions (JIS C 5202)
Test Results
±(2% + 0.1Ω)
±(1% + 0.05Ω)
±(1% + 0.05Ω)
95% coverage, minimum
±(1% +0.05Ω)
Jumper (<0.05Ω)
±(3% + 0.1Ω)
Jumper (<0.05Ω)
±(3% + 0.1Ω)
Jumper (<0.05Ω)
±100 (ppm/V)
±(1.0% + 0.05Ω)
2.5x rated voltage for 5 seconds
100VAC, 1 minute
260ºC ± 5ºC, for 10 sec. ± 0.5 sec (Solder Bath)
235ºC ± 5ºC, for 2 sec ± 0.5 sec (Colophonium flux)
-65ºC: 30 min. 25ºC: 2 to 3 min.
Temperature Cycle
155ºC: 30 min. 25ºC: 2 to 3 min.
(5 cycles)
40ºC ± 2ºC, 90% RH, Rated Load
Endurance (Damp load)
90 min. ON, 30 min. OFF for 1,000 hrs. -0 hrs. / +48 hrs.
70ºC ± 2ºC, Rated Load
Endurance (Rated load)
90 min. ON, 30 min. OFF for 1,000 hrs. -0 hrs. / +48 hrs.
Voltage Coefficient
1/10 rated voltage for 3 sec. max, then rated voltage for 3 sec. max.
Robustness of Termination
Bend of 3mm for 5 ± 1 sec.
Operating Temperature Range: -55ºC ~ +155ºC
Rev Date: 03/18/2011
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
NMCR Series
Non-Magnetic Chip Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
How to Order
SEI Type
Size
Nominal
Resistance
Tolerance
Packaging
NMCR
Type
NMCR
Description
Wrap-around
Termination
0603
Code Wattage
0402 0.063W
0603
0.1W
0805 0.125W
1206
0.25W
0.33W
1210
0.75W
2010
1W
2512
4.7K
5%
Tol Values
1% E96, E24
5%
E24
Types
0402
0603, 0805 1206, 1210
2010, 2512
0603, 0805 1206, 1210
Qty
10,000
5,000
4,000
10,000
10,000
R
Description
7" reel - paper tape
7" - reel - plastic tape
13" reel - paper tape
10" reel - paper tape
Code
R
R
G
R
New part number format starting January 3
rd
, 2011:
How to Order
1
2
3
4
5
6
7
8
9
10
11
12
13
14
N
M
C
R
0
6
0
3
J
G
4
K
7
0
Product Series
Wrap-around
NMCR
Termination
Size
0402
0603
0805
1206
1210
2010
2512
Power
0.063W
0.1W
0.125W
0.25W
0.33W
0.75W
1W
Tolerance
Code
Tol
F
1%
J
5%
Packaging
Code
T
G
J
Description
7" Reel - Paper Tape
7" Reel - Plastic Tape
10" Reel - Paper Tape
13" Reel - Paper Tape
Size
0402
0603, 0805, 1206, 1210
2010, 2512
0603, 0805, 1206, 1210
0603, 0805, 1206, 1210
Quantity
10,000
5,000
4,000
10,000
10,000
Resistance Value
Four characters with
the multiplier used as
the decimal holder.
1 ohm = 1R00
9.76 ohm = 9R76
1.02 Mohm = 1M02
10 Mohm = 10M0
Rev Date: 03/18/2011
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
3
www.seielect.com
marketing@seielect.com
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