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20E241K-NB Datasheet, PDF (8/65 Pages) World Produts Inc. – Metal Oxide Varistors
Metal Oxide Varistors
Part Number System
Example: VZ20D241KBOCX-VPN
V Z 20 E 241 K B
–– –– ––– –– –––– –– ––
(1) (2)
(3)
(4)
(5)
(6) (7)
(1) Series
V = Varistor
(2) Type
Z = Zinc Oxide
(3) Disk Diameter
05 = 5mm, 07 = 7mm, 10 = 10mm, 14 = 14mm,
18 = 18mm, 20 = 20mm, 25 = 25mm, 32 = 32mm,
34 = 34mm, 40 = 40mm, 53 = 53mm
(4) Type
D = Standard
E = High Energy Type
R = (applicable only for 34mm Types)
(5) Varistor Voltage
241 = 24 x 101 = 240 (DC Volts)
(6) Tolerance
J = 5%, K = 10%
(7) Packing Code
B = Bulk Pack
(For taped parts packing code, see Taping Specifications.)
Note: For sizes 32 and larger please reference
specification pages for fields beyond (6).
(8) Lead Configuration (For Bulk Parts)
S = Straight
O = Outward Crimp
I = Inward Crimp
L = Inline Crimp
N = Bulk parts for 320VAC and larger come standard
with inline crimp (see illustration below) for straight disk
seating on PC boards. If straight leads are required
instead of inline crimp please use code “N” in the
appropriate position as stated above.
Note: Also applicable for 32mm (KW Series)
with wire leads.
R = Bare disk without leads (no epoxy).
Available in 20mm & 25mm disk sizes**(RoHS Compliant).
* Compliant with Directive 2002/95/EC Lof the European Parliament and of the Council
of 27 January 2003 on the restriction of the use of certain hazardous substances in
electrical and elec3tr.o0nmicmequipmSeenatt(iRngoHS Directive). Please note solderability profile
on page 107. (0.12") max Plane
** 32mm – 53mm types are also available as bare disk with and without leads.
Reference suffix codes stated in Electrical/Dimensions section for these types in this
catalog.
O C X-V P N
–– –– ––
–– –– ––
(8) (9) (10)
(11) (12) (13)
(9) Lead Cutting
A = 4.0 ± 1.0mm (.16” ± .04”)
(Crimped lead)
B = 3.0 ± 1.0mm (.12” ± .04”)
(Crimped lead)
C = 4.5 ± 1.5mm (.18” ± .06”)
(Crimped lead)
D = 6.5 ± 1.0mm (.26” ± .04”)
(Crimped lead)
E = 4.0 ± 1.0mm (.18” ± .04”)
(Straight lead)
F = 5.0 ± 1.0mm (.2” ± .04”)
(Crimped lead)
G = 3.3 ± 0.5mm (.13” ± .02”)
(Crimped lead)
(For lead length reference points see
Standard Lead Modifications).
Note: Also applicable for 32mm (KW Series)
with wire leads.
(10) Lead Spacing
X = 10mm (0.4”) lead spacing 1mm (0.039”) lead diameter).
(For 18mm and 20mm disk diameter only.)
Z = 5mm (0.2”) leadspacing.
(For 10mm and 14mm disk diameters.)
(11) Extremely High Energy Rating
V = 15KA for 20mm,12KA for 18mm and 7.5KA for 14mm, “E
Series” parts only. Available in varistor voltages 14mm and
20mm (181-112), 18mm (181-781) (UL1414 and UL1449 3rd
Edition recognized parts). CSA recognized for 14, 18 & 20mm
“E Series” parts all values ≥ 201 with the exception of 14E
(911, 102 & 112). 14E “V” series parts are rated at 7.5KA. (If
you have a special voltage request, please inquire).***
(12) Coating Option
P = Phenolic Coating with 2000VDC rating. Applicable
for UL1414 (5mm – 20mm), UL1449 3rd Edition (14mm,
18mm and 20mm “V” type only), and CSA (5mm – 20mm)
recognized parts.***
B = Phenolic Coating with 500VDC rating. Applicable for
UL1414 (5mm – 20mm) and CSA (5mm - 20mm) recognized
parts.***
Y= Bare disk with leads (no epoxy).
Available in 20mm & 25mm disk size** (RoHS Compliant
20E suffix “V” 181K - 471K CSA c/us certified File
#154862).
C= Halogen Free Coating. Applicable for UL1449 (3rd
Edition), UL1414, (5mm-20mm), CSA (5mm-25mm) and
VDE (14D, 14E, 18E and 20E only).***
(13) RoHS Compliant*
N = RoHS Compliant
(Available in disk sizes 5mm – 53mm)
***Metal Oxide Varistors may not be recognized to
UL1414 from December 25, 2013.
WORLD PRODUCTS INC. 19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
6 | Metal Oxide Varistors
Rev. 9.9