Littelfuse SM7 Varistor Series - Manual (Page 5)

© 2013 Littelfuse, Inc. 79
Revised: May 8, 2013
Varistor Products
SM7 Series Varistor
Surface Mount Varistors > SM7 Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/sm7.html for current information.
SM7 Series
Part Numbering System
For “VARISTOR”
V
M(AC)
(Three digits -- 115V to 510V)
V 275 SM7
SM7 SERIES
Tape & Reel Specifications
mm
W 16.00±0.30
T 0.40±0.05
A0 11.80±0.10
B0 8.60±0.10
K0 6.80±0.10
E 1.75±0.10
F 7.50±0.10
P0 4.00±0.10
P1 16.00±0.10
P2 2.00±0.10
D0 ø1.50 +0.10/-0
D1 ø1.50 +0.10/-0
All dimensions shown
in milimeters
3.0±0.3 1.5±0.3
0.3 max
6.5
13.1
3.5
Soldering Pad Layout
11.5±0.3 8.3±0.3
4.0±0.3 for
V115SM7-V175SM7
6.0±0.3 for
V230SM7-V510SM7
Product Dimensions
NOTES:
1) All dimensions per EIA-481-c
2) 10 pitches cumulative tolerance on tape ±0.20mm
3) Quantity per 13 inch (330 mm) reel: 600 pcs A-A
B-B
A0
11.30
B0
3.60
T
120°
R1
Ш21±0.8
2±0.5
Ш1
3±0.2
DETAIL H
DETAIL H
Ш330 Ш1
0
0
16.5
21.5±0.4
5°
2
K0
Plastic Reel
Carrier Tape
5°
6.2
10°
F
E
W
P1
D0
P0
P2
D1
B
A B
A