General Product Information
  Certifications

ISO 9002 Certificated #CNS12682  
VDE #5923 UG File #20288-4790-1001 
U/L #E162455, #E132291 
CSA #LR-94924-1 
Application Note

How to select SAS Zinc Oxide Varistor: 

1.  To identify the source of surge, measure the surge current and Transient energy from circuit. 

2.  Check The Clamping Voltage of Varistor > Real clamping voltage from circuit. 

3.  Checking the ZOV Varistor Withstanding Surge Current and cycle time is sufficient for protection. Select the max. allowable Voltage of Varistor by power input.


Part Number Coding:

   MOV aaa KD bb - c- d

aaa: 

bb: 

c:

d:
Varistor Voltage 

Disc Dia.: 05, 07, 09(Japan Only), 10, 14, 18, 20 [e.g. 05 = 5mm] 

Lead Form: Blank = Straight Lead, K = Kinked Lead, O = No Lead 

Packing: Blank = Bulk, T = Taping, A = Ammo Pack

General Characteristic: 

Storage Temperature: -55°C to + 125°C
Operation Surface Temperature: 125°C
Operation Ambient Temperature: -55°C to +85°C (Without derating)
Max. Voltage Temperature Coefficient:         < -0.01% / °C
Insulation Resistance: 1000 Megohm min.
Hi-Pot: 2500 Vdc (Lead to Case)
Typical response Time: < 15n Sec.
Epoxy Rating: 94V-0 Blue color.
Current / Energy derating: -2.5% / °C
DC Leakage Current: 200uA max. @ Vdc
Solderability: MIL-STD-202F

[ Varistor Main Menu ][ General MOV Information ][ MOV Dimensions ][ Packaging Specification ][ Taping Specification ][ E-Mail ]
Electrical Spec (OD): [ 5mm ][ 7mm ][ 9mm ][ 10mm ][ 14mm ][ 20mm ]


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1687 Curtiss Court
La Verne, California  91750, USA
Tel: (909)596-6298   Fax: (888)HO-CHIEN
E-Mail: sales@hochien.com

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