CSM2512S
Vishay Foil Resistors
Bulk Metal
®
Technology High Precision, Current Sensing, Power Surface
Mount, Metal Strip Resistor with Improved Stability 0.05 %, Resistance
Value from 10 mΩ, Rated Power to 1 W and TCR to 0 ± 15 ppm/°C
FEATURES
•
Temperature coefficient of resistance (TCR):
(- 55 °C to + 125 °C, + 25 °C ref.)
± 15 ppm/°C maximum
± 10 ppm/°C maximum on special request
•
Load life stability to ± 0.05 % (70 °C, 2000 h
at rated power)
•
Power rating: 1 W
•
Tolerance: ± 0.1 %
•
Resistance range: 10 mΩ to 100 mΩ
•
Vishay Foil resistors are not restricted to standard values,
we can supply specific “as required” values at no extra cost
or delivery (e.g. 10.2345 mΩ vs. 10 mΩ)
•
Short time overload: ± 0.1 % typical
•
Thermal EMF: < 3 µV/°C
•
Maximum current: up to 10 A
•
Surface mount configuration
•
Four terminal (Kelvin) design: allows for precision accurate
measurements
•
Terminal finish: lead (Pb)-free, tin/lead alloy
•
Compliant to RoHS directive 2002/95/EC
•
Prototype samples available from 72 h. For more
information, please contact
foil@vishay.com
•
Screening in accordance with EEE-INST002 available
(MIL-PRF 55342 and MIL-PRF 49465)
•
For better performances please contact us
The CSMS series of low value current sense resistors
provides power and precision in a four terminal, surface
mount configuration. Its all welded construction is made
up of a Bulk Metal
®
resistive element with plated copper
terminations.
Our application engineering department is available to
advise and make recommendations.
For non-standard technical requirements and special
applications, please contact us.
IM
PR
O
VE
D
R
I
I
I
1
E
1
E
2
I
2
V
Percent of Rated Power
TABLE 1 - PERFORMANCE SPECIFICATIONS
PARAMETER
Resistance Range
Maximum Current
Power Rating at 70 °C
Maximum Working Voltage
Tightest Tolerance
Temperature Coefficient Maximum (- 55 °C to + 125 °C, + 25 °C ref.)
Operating Temperature Range
Weight (maximum)
* Pb containing terminations are RoHS compliant, exemptions may apply
Document Number: 63145
Revision: 14-May-09
For any questions, contact:
foil@vishay.com
PR
O
DU
CT
FIGURE 1 - POWER DERATING CURVE
+ 70 °C
100
80
60
40
20
0
- 65 - 50
- 25
0
25
50
75
100
125
150
170
Ambient Temperature (°C)
CSM2512S
10 mΩ to 100 mΩ
1W
10 A
(P x R)
1/2
± 0.1 %
± 15 ppm/°C, ± 10 ppm/°C is available
- 65 °C to + 170 °C
0.09 g
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1
CSM2512S
Vishay Foil Resistors
FIGURE 2 - DIMENSIONS AND IMPRINTING
in inches (millimeters)
CSM2512S DIMENSIONS
(1)
CSM2512S LAND PATTERN
I
1
H
B
L
T
W
A
DIMENSIONS - TOLERANCES ± 0.010 (± 0.254), * ± 0.015 (± 0.381)
RESISTANCE RANGE (Ω)
0.01 to 0.1
L
0.250 (6.350)
W
0.125 (3.175)
H
T
0.025 (0.635)
LAND PATTERN DIMENSIONS - TOLERANCES ± 0.003 (± 0.076)
RESISTANCE RANGE (Ω)
0.01 to 0.1
a
0.065 (1.65)
b
0.145 (3.68)
c
d
0.045 (1.14)
Note
(1)
White dot indicates top side of part for mounting purposes
TABLE 2 - CSM2512S PERFORMANCE SPECIFICATIONS
IM
PR
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VE
D
TEST
CONDITIONS
Thermal Shock
- 55 °C to + 150 °C, 1000 cycles, 15 min at
each extreme
2000 h, 70 °C at rated power
85 °C, 85 % humidity
10 % bias, 1000 h
Load Life Stability
Bias Humidity
Short Time Overload
5 x rated power for 5 s
1000 h, 170 °C
High Temperature Exposure
Low Temperature Storage
Moisture resistance
Shock
MIL-PRF-49465
MIL-STD-202, method 106, 0 % power,
7a and 7b not required
100 g, 6 ms
Vibration
(10 Hz to 2000 Hz) 20 g
10 s to 12 s at + 260 °C
MIL-STD-202
Resistance to Soldering Heat
Solderability
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For any questions, contact:
foil@vishay.com
PR
O
DU
CT
e
E
1
E
2
I
2
d
c
I
Kelvin Connection
I
1
, I
2
- Current
E
1
, E
2
- Sense
a
b
A
B
0.030 (0.762)
0.030 (0.762)*
0.032 (0.813)*
e
l
0.021 (0.53)
0.055 (1.39)
0.160 (4.06)
MIL-PRF-49465B
ΔR
LIMITS
± (0.5 % + 0.0005R)
± (1.0 % + 0.0005R)
± (0.5 % + 0.0005R)
± (0.5 % + 0.0005R)
± (1.0 % + 0.0005R)
± (0.5 % + 0.0005R)
± (0.5 % + 0.0005R)
± (0.1 % + 0.0005R)
± (0.1 % + 0.0005R)
± (0.25 % + 0.0005R)
95 % coverage
TYPICAL
ΔR
LIMITS
0.1 %
0.05 %
0.05 %
0.1 %
0.2 %
0.05 %
0.02 %
0.02 %
0.02 %
0.05 %
-
MAXIMUM
ΔR
LIMITS
0.2 %
0.2 %
0.2 %
0.2 %
0.3 %
0.1 %
0.05 %
0.05 %
0.05 %
0.1 %
Document Number: 63145
Revision: 14-May-09
CSM2512S
Vishay Foil Resistors
TABLE 3 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y44870R10000B0R (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
Ω
CHARACTERISTICS
(1)
0
= standard part, tin/lead termination
9
= standard part, lead (Pb)-free termination
1 - 999
= custom
Y
4
4
8
7
0
R
PRODUCT CODE
4487
= CSM2512S
RESISTANCE TOLERANCE
B
C
D
F
= ± 0.1 %
= ± 0.25 %
= ± 0.5 %
= ± 1.0 %
FOR EXAMPLE: ABOVE GLOBAL ORDER Y4487 0R10000 B 0 R:
TYPE: CSM2512S
VALUE: 100.0 mΩ
ABSOLUTE TOLERANCE: ± 0.1 %
TERMINATION: standard tin/lead
PACKAGING: tape and reel
HISTORICAL PART NUMBER: CSM2512S 0R1000 B B T (will continue to be used)
CSM2512S
MODEL
0R1000
OHMIC VALUE
0R1000
= 0.100
Ω
B
ABS. TOLERANCE
B
C
D
F
= ± 0.1 %
= ± 0.25 %
= ± 0.5 %
= ± 1.0 %
IM
PR
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VE
D
Note
(1)
For non-standard requests, please contact application engineering.
Document Number: 63145
Revision: 14-May-09
For any questions, contact:
foil@vishay.com
PR
O
DU
CT
1
0
0
0
0
B
0
R
PACKAGING
W
= waffle pack
R
= tape and reel
B
T
TERMINATION
S
= lead (Pb)-free
B
= tin/lead
PACKAGING
T
= tape and reel
W
= waffle pack
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Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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