Metal Oxide VaristOrs - eV series
Part Marking
(5mm – 20mm)
(22mm & 34mm)
Factory Identifier
depicted with black
dot(s) in this position.
WPI LOGO
WPI LOGO
34D150K-H S
928
S = Flame Retardant Coating
H=Ultra High Energy (not applicable for 22mm)
20D150K-J S
928
J = 5%, K = 10%
S = Flame Retardant Coating
J = High Energy
J = 5%, K = 10%
Approvals
H = Ultra High Energy
(14mm & 20mm only)
(week) 28 = 28th week
Approvals
(week) 28 = 28th week
Date Code
(year) 9 = 2009
Date Code
(year) 9 = 2009
34D 150 K
(1)
(2)
(3)
20D 150 K
(1) Disk Diameter
22D = 22mm
(1)
(2)
(3)
(1) Disk Diameter
34D = 34mm
5D = 5mm, 7D = 7mm,
10D = 10mm, 14D = 14mm,
18D = 18mm, 20D = 20mm
(2) AC RMS Voltage
150 = 150VAC
(2) AC RMS Voltage
(3) Tolerance
150 = 150VAC
K = 10%
(3) Tolerance
K = 10%
(22mm)
WPI LOGO
22D150K
928
Approvals
(week) 28 = 28th week
(year) 9 = 2009
Date Code
22D 150 K
(1)
(2)
(3)
(1) Disk Diameter
22D = 22mm
(2) AC RMS Voltage
150 = 150VAC
(3) Tolerance
J = 5%, K = 10%
Date Code 928 = First digit represents year (9 = 2009). Second and third digits represent the week of the year.
WORLD PRODUCTS INC. 19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Rev. 3.1
Metal Oxide Varistors - EV Series | 5