SPU Molded Style Datasheet

SPU Molded Style
www.vishay.com
Vishay Dale
Wirewound Resistors, Molded Style, Current Shunts,
Very Low Value, Four Terminal
FEATURES
• Molded four-terminal resistors for specialized
applications
Available
• Extremely low resistance values for current
sensing applications
• Precision resistance tolerance
• Low temperature coefficients
• Complete welded construction
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
HISTORICAL
MODEL
POWER RATING (1)
P25 °C
W
RESISTANCE
RANGE

TOLERANCE
±%
WEIGHT
(typical)
g
SPU050
SPU-50
1
0.001 to 0.060
1
2.5
SPU051
SPU-51
2
0.001 to 0.060
1
3.7
SPU052
SPU-52
4
0.001 to 0.200
1
4.8
SPU053
SPU-53
5
0.010 to 0.500
1
10.8
GLOBAL
MODEL
Notes
• Standard resistance tolerances available are 0.5 %, 1.0 %, 3.0 %, and 5.0 %.
(1) Wattage rating is limited to 25 A maximum
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
UNIT
SPU MOLDED STYLE RESISTOR CHARACTERISTICS
ppm/°C
± 100 (- 10 °C to + 80 °C)
VAC
500 minimum
Short Time Overload
-
5 x power for 5 s, limited to 25 A maximum
Maximum Working Voltage
V
(P x R)1/2
Insulation Resistance

10 000 M minimum dry
Operating Temperature Range
°C
SPU050 and SPU051 = - 55 to + 175, SPU052 and SPU053 = - 55 to + 275
Dielectric Withstanding Voltage
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: SPU052R10000FD
S
P
GLOBAL MODEL
SPU050
SPU051
SPU052
SPU053
U
0
5
2
RESISTANCE VALUE
L = m
(below 0.01 )
R = Decimal
5L0000 = 0.005 
R10000 = 0.10 
R
1
0
0
0
TOLERANCE CODE
D = ± 0.5 %
F = ± 1.0 %
H = ± 3.0 %
J = ± 5.0 %
0
F
D
PACKAGING
E
(2)
= Lead (Pb)-free, bulk
D = Tin/lead, bulk
SPECIAL
(Dash Number)
(up to 2 digits)
From 1 to 99 as
applicable
Historical Part Numbering example: SPU-52 0.1  1 % S51
SPU-52
0.100 
1%
S51
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
Note
(2) Lead (Pb)-free termination
Revision: 11-Jul-13
Document Number: 30220
1
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
SPU Molded Style
www.vishay.com
Vishay Dale
DIMENSIONS in inches [millimeters]
D
A
C
B
18 AWG
0.040 ± 0.002
[1.02 ± 0.051]
DIMENSIONS in inches [millimeters]
GLOBAL
MODEL
A
B
C
D
SPU050
0.660 ± 0.010
[16.76 ± 0.25]
0.312 ± 0.010
[7.92 ± 0.25]
0.200 ± 0.015
[5.08 ± 0.38]
1.000 + 0.25 - 0.125
[25.40 + 6.35 - 3.17]
SPU051
0.790 ± 0.010
[20.06 ± 0.25]
0.375 ± 0.010
[9.52 ± 0.25]
0.200 ± 0.015
[5.08 ± 0.38]
1.000 + 0.25 - 0.125
[25.40 + 6.35 - 3.17]
SPU052
1.000 ± 0.010
[25.40 ± 0.25]
0.375 ± 0.010
[9.52 ± 0.25]
0.125 ± 0.015
[3.17 ± 0.38]
1.000 minimum
[25.40 minimum]
SPU053
1.870 ± 0.010
[47.50 ± 0.25]
0.437 ± 0.010
[11.10 ± 0.25]
0.125 ± 0.015
[3.17 ± 0.38]
1.000 minimum
[25.40 minimum]
MATERIAL SPECIFICATIONS
Element: Nickel-chromium alloy or copper-manganese
alloy, depending on resistance value
Standard Terminals: SPU050/051: 100 % Sn or 60/40
Sn/Pb coated Copperweld® 
SPU052/053: 100 % Sn or 60/40 Sn/Pb coated copper
Molding Material: SPU050/051
SPU052/053 thermo-set silicone
Part Marking: DALE, model, wattage, value, tolerance,
date code
thermo-set
epoxy
AMBIENT TEMPERATURE DERATING
Derating is required for ambient temperature above 25 °C per the following graph
RATED POWER IN %
DERATING
120
100
80
60
SPU052 and 053
40
SPU050 and 051
20
0
- 55 - 50
0
50
25
100
150
200
250
275
175
AMBIENT TEMPERATURE IN °C
Revision: 11-Jul-13
Document Number: 30220
2
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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 in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000