CMS Datasheet

CMS
www.vishay.com
Vishay Huntington
Wirewound Resistors, Commercial Power,
Silicone Coated, Capacitor Mount
FEATURES
• High temperature silicone coating
• Mounts directly onto the terminal studs of three
popular sizes of capacitance without additional
leads or terminals
• Extra long terminals keep damaging heat away
from the capacitor terminals
• Available in non-inductive style (special “NI”)
with Ayrton-Perry winding
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
HISTORICAL
MODEL
POWER RATING
P25 °C
W
RESISTANCE
RANGE

TOLERANCE
±%
WEIGHT
(typical)
g
CMS16
CMS-16
16
1.0 to 59K
5, 10
7.5
CMS20
CMS-20
20
1.0 to 95K
5, 10
8.64
CMS22
CMS-22
22
1.0 to 105K
5, 10
8.64
GLOBAL
MODEL
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: CMS16CME20K00JE (visit www.vishay.net SAP parts manual for all options)
C
M
GLOBAL MODEL
(5 digits)
CMS16
CMS20
CMS22
S
1
6
C
TERMINAL
DESIGNATION
(2 digits)
TERMINAL
FINISH
(1 digit)
CA
CM
E = lead
(Pb)-free
M
E
2
0
K
0
0
J
E
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING CODE
(1 digit)
SPECIAL
(up to 2 digits)
R = decimal
K = thousand
1R500 = 1.5 
1K500 = 1.5 k
J=±5%
K = ± 10 %
E = Lead (Pb)-free
cell and bulk pack
(Dash number)
From 1 to 99 as
applicable
NI = non-inductive
Historical Part Number example: CMS-16-20K-5 %
CMS-16
20 k
5%
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE
Revision: 24-Mar-15
Document Number: 31843
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
CMS
www.vishay.com
Vishay Huntington
APPLICATION PHOTOS
DIMENSIONS in inches [millimeters]
CORE DIMENSIONS
MODEL
TERMINAL DESIGNATION
CM
CA
HOLE DIAMETER HOLE DIAMETER
TYPICAL
TYPICAL
A
TYPICAL
B
± 0.031 [0.79]
C
± 0.062 [1.59]
M
± 0.0118 [0.3]
CMS16
0.562
[14.29]
0.312
[7.94]
1.25
[31.75]
0.875
[22.22]
0.197
[5.00]
0.265
[6.73]
CMS20
0.562
[14.29]
0.312
[7.94]
1.750
[44.45]
1.125
[28.58]
0.197
[5.00]
0.265
[6.73]
CMS22
0.562
[14.92]
0.312
[7.94]
1.750
[44.45]
1.250
[31.75]
0.197
[5.00]
0.265
[6.73]
Revision: 24-Mar-15
Document Number: 31843
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
CMS
www.vishay.com
Vishay Huntington
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RESISTOR CHARACTERISTICS
Power Rating
W
16 to 22
Resistance Range

1 to 105k
Resistance Tolerance
%
5
Temperature Coefficient
ppm/°C
± 260 for 20  and above, ± 400 for 1  to 19.99 
Operating Temperature
°C
-55 °C to 350 °C
Temperature Rise
°C
325 °C above an ambient of 25 °C
Maximum Altitude
f.a.s.l.
10 000
Short-Term Overload
-
10x rated power for 5 s
Surge Windings
-
Available
Maximum Working Voltage
-
(P x R)0.5

1M
VRMS
1000 VAC
Creepage
-
Varies by wattage, see “Terminal Setback” in Dimensions table
Terminal Sleeves
-
n/a
μH
Varies by wattage and resistance
Non-Inductive Winding
-
Available
Terminal Strength
lb
10 lbs
Electrical or Mechanical Customization
-
Contact factory: [email protected]
Insultation Resistance
Dielectric Voltage
Inductance
MATERIAL SPECIFICATIONS
Element
Copper-nickel alloy or nickel-chrome alloy, depending on resistance value
Core
Cordierite, steatite
Coating
Special high temperature silicone
Standard Terminals
Tinned alloy 42
Optional Terminals
Alloy 42
Terminal Bands
Alloy 42
Part Marking
HEI, model, wattage, value, tolerance, date code
RATED POWER IN %
DERATING
120
100
80
60
40
20
0
0
50
100
150
200
250
300
350
25
AMBIENT TEMPERATURE IN °C
Revision: 24-Mar-15
Document Number: 31843
3
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
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Revision: 02-Oct-12
1
Document Number: 91000