72R040XU Littelfuse Inc, 72R040XU Datasheet - Page 7

• Manufacturer Part Number: 72R040XU
• Description: PTC RESETTABLE 72V .400A RADIAL
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® 72Rr

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

© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/72R.html for current information.
Tape and Ammo Diagram
Δh
H
Δh
1
I
2
L
L
1
P
A
0
1
Radial Leaded > 72R Series
POLYFUSE
A
B
Reference plane
F
Revised: July 12, 2010
Figure 1
D
W
0
®
4
H
97
Resettable PTCs
0
W
5
W
Direction of unreeling
Cross section A - B
H
H
1
C
2
C
t
Δh
1
Δp
72R Series