20D Series Metal-Oxide Varistor
Features
Wide range of operating voltages from 5 Vrms to 1000 Vrms (6 Vdc to 1465 Vdc)
Fast response time of less than 25ns, instantly clamping of transient over-voltage
Capable to handle high surge current
High energy protection capability
Low clamping voltages for efficient surge behavior
Low capacitance values, ideal for digital switching circuit protection
High insulation resistance, preventing electric arcing to adjacent components or
circuits
Application
Transistors, diodes, integrated circuits (IC), thyristors or Triac semiconductor protection
Surge protection for consumer electronics
Surge protection for industrial appliances
Surge protection for electronic home appliances, gas or petroleum operated appliances
Relay and electromagnetic surge absorption.
General Characteristics
Operating Temperature: -40ºC ~ +85ºC
Storage Temperature: -40ºC ~ +125ºC
Working Surface Temperature: +115ºC
Insulation Resistance: > 100 MΩ
Coating (Epoxy Resin): Flame-Retardant to UL94V-0
Material
Coating:
Lead Wires:
Electrode:
Disc:
Epoxy Resin
Copper
Silver
Zinc Oxide
Part Numbering System
Brand Mark:
VDR
Si ze(mm):
5mm to 53mm
Type:
D: Disk, S: Square
Varistor Voltage:
180L(18V) to 182K(1800V)
VDR 20 D 471 □ □ □ □ □
B: Bulk (Standard lead 20-30mm min.)
★= 3KA/6KV J = High Surge & High Energy
Coating & Environment:
L:Epoxy Coating & Lead-free
Series:
N:Standard Series
Bulk or Taping Mode:
B:Bulk★, A:Ammo, R:Reel
Lead Form:
S:Straight, C:Crimped, I:Inner, Y:Y kink
Toler ance:
K±10%, L±15%, M±20%
Ordering Information
Series
Amp code
20D
Packaging Code
Qty
BETTER ELECTRONICS
TECHNOLOGY CO., LTD
东莞市贝特电子科技股份有限公司
www.betterfuse.com
China sales:
Jacky Huang
sls01@betterfuse.com
+86 769-83238731 ext.859
Japan sales:
Li Ling
lynn.li@betterfuse.com
+86-769-2307 8207
South Korea sales:
Jenny Li
sm12@betterfuse.com
+86 769-2307 8212
Europe sales:
Helge Glueck
helge@betterfuse.com
+49-341-946 98772
