NTCASCWE3
Vishay BCcomponents
NTC Thermistors, Screw Threaded Sensors
FEATURES
• Easy mounting with screw
• Rugged construction
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
APPLICATIONS
• Temperature measurement, sensing and control
• Suitable for surface temperature applications,
especially when a good electrical insulation and a good
thermal contact with the chassis is required
QUICK REFERENCE DATA
PARAMETER
Resistance value at 25 °C
Tolerance on
R
25
-value
B
25/85
-value
Tolerance on B
25/85
-value
Operating temperature range at:
Zero dissipation
Maximum power dissipation
Dissipation factor
(1)
Maximum power dissipation
Thermal time constant
(1)
Min. dielectric withstanding
voltage between terminals and
Al case
Insulation resistance between
terminals and Al case
Weight
- 40 to + 100
0 to + 55
23
500
7.5
1500 (1 s)
min. 100
1.5
mW/K
mW
s
V
AC
M
g
°C
VALUE
1K to 470K
± 1, ± 2, ± 5
3740 to 4570
± 0.5 to ± 2.5
UNIT
%
K
%
DESCRIPTION
The thermistors are made of NTC ceramic material reflow
soldered between two solid tinned copper or nickel wires
and potted in the head of passivated aluminum srew size
M4.
PACKAGING
The thermistors are packed in cardboard boxes; the
smallest packaging quantity is 100 units.
DESIGN IN SUPPORT
For complete Curve Computation, visit:
www.vishay.com/resistors-non-linear/curve-computation-list
MARKING
The last 4 digits of the 12NC code are printed on the stud in
accordance with the information in Electrical Data and
Ordering Information table.
MOUNTING
By means of a washer and M4 nut supplied with the device
or in a threaded screw hole. Applied torque shall not exceed
1.2 Nm. Leads to be soldered or crimped.
DIMENSIONS
in millimeters
5.5
min.
Ød
M4
6.7
max.
Notes
• Other
R
25
-values and tolerances are available upon request
• Insulated leads available upon request
(1)
Measured with screw mounted on an aluminium heatsink of
100 cm
2
, thickness 1.5 mm, in still air at T
amb
= + 25 °C
37 ± 3
8 ± 0.1
8
max.
Component outline
ELECTRICAL DATA AND ORDERING INFORMATION
R
25
(k)
1.0
2.2
4.7
10
10
10
12
15
47
100
100
100
150
470
TOLERANCE
ON
R
25
±5%
±5%
±5%
±1%
±2%
±5%
±5%
±5%
±5%
±1%
±2%
±5%
±5%
±5%
B
25/85
-VALUE
3528K ± 0.5 %
3977K ± 0.75 %
3977K ± 0.75 %
3977K ± 0.75 %
3977K ± 0.75 %
3977K ± 0.75 %
3740K ± 1.5 %
3740K ± 1.5 %
4090K ± 1.5 %
4190K ± 1.5 %
4190K ± 1.5 %
4190K ± 1.5 %
4370K ± 2.5 %
4570K ± 2 %
LEADS DIAMETER Ø d
(mm)
0.6
0.6
0.6
0.5
0.5
0.6
0.6
0.6
0.6
0.5
0.5
0.6
0.6
0.6
TCR
(%/K)
- 3.87
- 4.37
- 4.37
- 4.37
- 4.37
- 4.37
- 4.10
- 4.10
- 4.46
- 4.57
- 4.57
- 4.57
- 4.75
- 4.95
SAP MATERIAL NUMBER
AND ORDERING CODE
NTCASCWE3102J
NTCASCWE3222J
NTCASCWE3472J
NTCASCWE3103F
NTCASCWE3103G
NTCASCWE3103J
NTCASCWE3123J
NTCASCWE3153J
NTCASCWE3473J
NTCASCWE3104F
NTCASCWE3104G
NTCASCWE3104J
NTCASCWE3154J
NTCASCWE3474J
OLD 12NC CODE
2381 640 73102
2381 640 73222
2381 640 73472
2381 640 75103
2381 640 74103
2381 640 73103
2381 640 73123
2381 640 73153
2381 640 73473
2381 640 75104
2381 640 74104
2381 640 73104
2381 640 73154
2381 640 73474
Document Number: 29065
Revision: 12-Apr-11
www.vishay.com
106
For technical questions, contact:
nlr@vishay.com
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.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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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
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including but not limited to the warranty expressed therein.
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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.
Revision: 12-Mar-12
1
Document Number: 91000
