W
Vishay Dale
NTC Thermistors, Surface Mount Chip
FEATURES
•
•
•
•
Top and bottom surface terminations
High-density monolithic ceramic construction
Allows design flexibility for use with hyprid circuitry
Model W is a thermistor die with silver conductors fired on
the top and bottom surfaces. The bottom surface can be
reflow soldered or conductive epoxied directly to a
substrate bonding pad and the top surface wire bonded to
comlete the circuit connection.
STANDARD ELECTRICAL SPECIFICATIONS AND DIMENSIONS
in inches [millimeters]
T
L
W
R25 (Ω)
10.0M
500 000
250 000
200 000
100 000
100 000
100 000
80 000
50 000
50 000
30 000
30 000
30 000
20 000
15 000
10 000
3000
2000
2000
1000
1000
500
500
300
50
PART NUMBER
12W1004
12W5003
12W2503
7W2003
12W1003
8W1003
7W1003
8W8002
8W5002
7W5002
8W3002
7W3002
1W3002
1W2002
1W1502
1W1002
1W3001
1W2001
2W2001
2W1001
1W1001
2W5000
1W5000
2W3000
2W0500
CURVE NUMBER
12
12
12
7
12
8
7
8
8
7
8
7
1
1
1
1
1
1
2
2
1
2
1
2
2
L
0.043 ± 0.004 [10.1 ± 0.10]
0.053 ± 0.004 [10.4 ± 0.10]
0.075 ± 0.006 [10.9 ± 0.15]
0.041 ± 0.004 [10.0 ± 0.10]
0.119 ± 0.008 [30.0 ± 0.20]
0.049 ± 0.004 [10.2 ± 0.10]
0.054 ± 0.005 [10.4 ± 0.13]
0.049 ± 0.004 [10.2 ± 0.10]
0.053 ± 0.004 [10.4 ± 0.10]
0.051 ± 0.004 [10.3 ± 0.10]
0.072 ± 0.005 [10.8 ± 0.13]
0.069 ± 0.005 [10.8 ± 0.13]
0.029 ± 0.003 [0.74 ± 0.08]
0.035 ± 0.004 [0.89 ± 0.10]
0.041 ± 0.004 [10.0 ± 0.10]
0.050 ± 0.005 [10.3 ± 0.13]
0.068 ± 0.005 [10.7 ± 0.13]
0.101 ± 0.006 [20.6 ± 0.15]
0.049 ± 0.004 [10.2 ± 0.10]
0.053 ± 0.004 [10.4 ± 0.10]
0.105 ± 0.006 [20.7 ± 0.15]
0.060 ± 0.005 [10.5 ± 0.13]
0.148 ± 0.006 [30.8 ± 0.15]
0.077 ± 0.006 [20.0 ± 0.15]
0.188 ± 0.012 [40.8 ± 0.31]
W
0.043 ± 0.004 [10.1 ± 0.10]
0.053 ± 0.004 [10.4 ± 0.10]
0.075 ± 0.006 [10.9 ± 0.15]
0.041 ± 0.004 [10.0 ± 0.10]
0.119 ± 0.008 [30.0 ± 0.20]
0.049 ± 0.004 [10.2 ± 0.10]
0.054 ± 0.005 [10.4 ± 0.13]
0.049 ± 0.004 [10.2 ± 0.10]
0.053 ± 0.004 [10.4 ± 0.10]
0.051 ± 0.004 [10.3 ± 0.10]
0.054 ± 0.005 [10.4 ± 0.13]
0.069 ± 0.005 [10.8 ± 0.13]
0.029 ± 0.003 [0.74 ± 0.08]
0.035 ± 0.004 [0.89 ± 0.10]
0.041 ± 0.004 [10.0 ± 0.10]
0.050 ± 0.005 [10.3 ± 0.13]
0.054 ± 0.004 [10.4 ± 0.10]
0.054 ± 0.004 [10.4 ± 0.10]
0.049 ± 0.004 [10.2 ± 0.10]
0.053 ± 0.004 [10.4 ± 0.10]
0.105 ± 0.006 [20.7 ± 0.15]
0.060 ± 0.005 [10.5 ± 0.13]
0.148 ± 0.006 [30.8 ± 0.15]
0.077 ± 0.006 [20.0 ± 0.15]
0.188 ± 0.012 [40.8 ± 0.31]
T (nominal)
0.020 [0.51]
0.016 [0.41]
0.016 [0.41]
0.033 [0.84]
0.016 [0.41]
0.029 [0.74]
0.029 [0.74]
0.024 [0.61]
0.018 [0.46]
0.014 [0.36]
0.015 [0.38]
0.015 [0.38]
0.032 [0.81]
0.032 [0.81]
0.032 [0.81]
0.032 [0.81]
0.015 [0.38]
0.015 [0.38]
0.037 [0.94]
0.022 [0.56]
0.015 [0.38]
0.015 [0.38]
0.015 [0.38]
0.015 [0.38]
0.015 [0.38]
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: 08W8002KT (preferred part number format)
0
8
CURVE
01
02
07
08
12
08
W
1
0
0
2
K
T
TOLERANCE CODE
J
=±5%
K
= ± 10 %
PACKAGING
E
= Lead (Pb)-free, Tray
T
= Tin/Lead, Tray
GLOBAL MODEL
W
RESISTANCE VALUE
1002
= 10K
Historical Part Number example: TOMC16011002Z (will continue to be accepted)
W
GLOBAL MODEL
8002
RESISTANCE VALUE
K
TOLERANCE CODE
T
PACKAGING
HISTORICAL CURVE
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Document Number: 33006
Revision: 21-Sep-04
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Document Number: 91000
Revision: 08-Apr-05
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