
94
Revised: July 12, 2010
POLYFUSE
®
Resettable PTCs
© 2010 Littelfuse, Inc.
72R Series
Radial Leaded > 72R Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/72R.html for current information.
Dimensions
Part Number
A B C D E Physical Characteristics
Inches mm Inches mm Inches mm Inches mm Inches mm Lead (dia)
Material
Max. Max. Max. Max. Typ. Typ. Min. Min. Max. Max. Inches mm
72R020X 0.29 7.4 0.46 11.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
72R025X 0.29 7.4 0.50 12.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
72R030X 0.29 7.4 0.50 12.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
72R040X 0.30 7.6 0.53 13.5 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
72R050X 0.31 7.9 0.54 13.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
72R065X 0.37 9.4 0.57 14.5 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
72R075X 0.40 10.2 0.60 15.2 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
72R090X 0.44 11.2 0.62 15.8 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
72R110X 0.51 13.0 0.72 18.2 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
72R135X 0.53 13.58 0.78 19.8 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
72R160X 0.60 15.36 0.85 21.6 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
72R185X 0.66 16.76 0.91 23.0 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
72R250X 0.78 19.93 1.03 26.2 0.40 10.2 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
72R300X 0.91 23.11 1.15 29.3 0.40 10.2 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
72R375X 1.04 26.3 1.22 31.1 0.40 10.2 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
A
C
B
D
E
72
020X
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
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