72R040XU Littelfuse Inc, 72R040XU Datasheet - Page 4
![PTC RESETTABLE 72V .400A RADIAL](/photos/1/34/13485/72r040xu_sml.jpg)
72R040XU
Manufacturer Part Number
72R040XU
Description
PTC RESETTABLE 72V .400A RADIAL
Manufacturer
Littelfuse Inc
Series
POLYFUSE® 72Rr
Datasheet
1.72R020XU.pdf
(7 pages)
Specifications of 72R040XU
R Min/max
0.550 ~ 1.290 Ohm
Voltage - Max
72V
Time To Trip
3.8s
Current - Hold (ih) (max)
400mA
Current - Trip (it)
800mA
Current - Max
40A
Package / Case
Radial
Holding Current
400mA
Tripping Current
800mA
Initial Resistance Max
1.29ohm
Operating Voltage
72VDC
Ptc Fuse Case
Radial Lead
Initial Resistance Min
0.55ohm
External Depth
3.1mm
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
72R040X
F3195
F3195
72R Series
Dimensions
Part Number
72R020X
72R025X
72R030X
72R040X
72R050X
72R065X
72R075X
72R090X
72R135X
72R160X
72R185X
72R250X
72R300X
72R375X
72R110X
Inches
Max.
0.29
0.29
0.29
0.30
0.31
0.37
0.40
0.44
0.51
0.53
0.60
0.66
0.78
0.91
1.04
A
C
A
13.58
15.36
19.93
Max.
16.76
23.11
26.3
mm
10.2
13.0
11.2
9.4
7 .4
7 .4
7 .4
7 .6
7 .9
D
B
Inches
Max.
0.46
0.50
0.50
0.53
0.54
0.57
0.60
0.62
0.72
0.78
0.85
0.91
1.03
1.15
1.22
POLYFUSE
E
B
Max.
mm
12.7
12.7
13.5
13.7
14.5
15.2
15.8
18.2
19.8
23.0
26.2
29.3
21.6
31.1
11.7
Radial Leaded > 72R Series
Inches
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
®
Revised: July 12, 2010
Resettable PTCs
C
mm
Typ.
10.2
10.2
10.2
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
94
Part Marking System
Inches
Min.
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
D
Littelfuse
Trademark
Min.
mm
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
7 .6
Please refer to www.littelfuse.com/series/72R.html for current information.
Inches
Max.
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
Single Sided Marking
E
Max.
mm
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
XXXX
020X
72
Specifications are subject to change without notice.
Inches
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.03
Physical Characteristics
Lead (dia)
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Voltage Rating
mm
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.81
0.81
0.81
0.81
0.81
0.81
0.81
© 2010 Littelfuse, Inc.
Material
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu