20E241K-NB Datasheet, PDF (9/65 Pages) World Produts Inc. – Metal Oxide Varistors

Metal Oxide Varistors
Standard Dimensions and Lead Modification Options
+ _{Dmax for Phenolic “P” Type is 8mm (.31”).}
* For 10mm lead spacing use suffix “X” for bulk parts (18mm and 20mm disk diameter)
Straight Leads
Inward Crimp
Outward Crimp
A max
L
3 .0mm (0 .12") max
3 .0mm (0 .12") max
E max
W
Inline Crimp
L
3.0mm ^Seating
(0.12") max ^Plane
S
Seating
Plane
a
25R Series
A max
S
C
W
L
L
a
Seating
Plane
C
S
W
L
Dimensions of Bare Disk
Disk Size
D
20mm
20.0±1.0mm
25mm
25.0±1.0mm
D
S
W
Disk
Size
mm
5
7
10
14
18
 18*
20
 20*
25
25R
A max
D max
mm in mm in
10.0 0.4 ⁺7.0 ⁺0.28
12.0 0.47 9.5 0.37
17.0 0.67 12.5 0.49
20.5 0.8 16.5 0.65
24.0 0.94 20.0 0.79
24.0 0.94 20.0 0.79
28.0 1.10 24.0 0.94
28.0 1.10 24.0 0.94
31.75 1.25 27.9 1.10
34.5 1.35 29.0 1.14
32KW
(wire lead)
45.0
1.77
40.0
1.57
S
W nom
mm
±1
5.0
5.0
7.5
7.5
7.5
10.0
7.5
10.0
12.7
12.7 ± 1
in
± .04
0.2
0.2
0.3
0.3
0.3
0.4
0.3
0.4
0.5
0.5
mm
in
± .02 ± .001
0.6 0.024
0.6 0.024
0.8 0.031
0.8 0.031
0.8 0.031
1.0 0.039
0.8 0.031
1.0 0.039
1.0 0.039
1.0 ± 0.2 0.040
22.5
± 1.5
0.9
± 0.059
1.5 ±0.5
0.06
±0.02
C
mm
1.6 ± 0.4
1.6 ± 0.4
1.6 ± 0.4
1.6 ± 0.4
2.05 ± 0.4
2.05 ± 0.4
2.05 ± 0.4
2.05 ± 0.4
2.05 ± 0.4
in
0.06 ± 0.016
0.06 ± 0.016
0.06 ± 0.016
0.06 ± 0.016
0.08 ± 0.016
0.08 ± 0.016
0.08 ± 0.016
0.08 ± 0.016
0.08 ± 0.016
L
Dimension
E max and a
For other
than standard
(straight lead)
lead length,
please see
Definitions,
“Part Number
System”
“(9) Lead
Cutting”
for specs and
suffix codes.
20.0
For other than
standard (straight
lead) lead length,
please see
Definitions,
“Part Number
System”
“(9) Lead
Cutting”
for specs and
suffix codes.
Please see
E Maximum
Thickness
and
Off-set (a)
Dimension
by
Part Number
(Next Page)
Notes:
1. Maximum epoxy extending on leads (measured from bottom most portion of disk) is 3mm for all disk sizes with exception of 20mm, 25mm and
32mm disk sizes which are 4mm.
2. Reduced dimensions, special lead diameters and special lead spacing may be avaliable upon request.
3. Bulk parts for 320VAC and larger come standard with inline crimp (as referenced above) for straight disk seating on PC boards. If 320VAC and
larger size are required without in-line crimp, please reference “Part Number System” position # (8) and add “N” and reference “a” off-set
dimensions.
4. The maximum straight lead length avaliable for 5mm leadspacing is 40mm max, 7.5mm leadspacing is 32mm max, 10mm leadspacing is 35mm max.
WORLD PRODUCTS INC. 19654 Eighth Street East, Sonoma, CA 95476 | Phone [phone] | Fax [phone] | www.worldproducts.com
Rev. 9.9
Metal Oxide Varistors | 7