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250R120-R1 Datasheet(PDF) 5 Page - Littelfuse

Part # 250R120-R1
Description  POLYFUSE Resettable PTCs Radial Leaded
PDF  6 Pages
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Manufacturer  LITTELFUSE [Littelfuse]
Direct Link  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

250R120-R1 Datasheet(HTML) 5 Page - Littelfuse

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www.littelfuse.com
©2006 Littelfuse
250R Series
Specifications are subject to change without notice.
5
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Part Marking System
B
B
C
A
A
Figure 1
E
D
C
E
Marking
Marking
Figure 2
D
F
F
250
080
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
250
120
XXXX
Dimensions
B
B
C
A
A
Figure 1
E
D
C
E
Marking
Marking
Figure 2
D
F
F
250
080
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
250
120
XXXX
Figure 2
Figure 
Part Number
A
B
C
D
E
Physical Characteristics
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Lead (dia)
Material Figure
Max.
Max.
Max.
Max.
Max.
Max.
Min.
Min.
Typ.
Typ.
Inches
mm
250R080
0.23
5.8
0.39
9.9
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
1
250R080T
0.23
5.8
0.39
9.9
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
1
250R120
0.26
6.5
0.43
11
0.15
3.8
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120-RA
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120-RC
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120-RF
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120-R1
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120-R2
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120-R3
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R120T
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R145
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R145-RA
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R145-RB
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R145T
0.26
6.5
0.43
11
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
2
250R180
0.37
9.5
0.47
12
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
1
250F180T
0.37
9.5
0.47
12
0.18
4.6
0.19
4.7
0.20
5.1
0.026
0.65
Sn/Cu
1



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