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KOA Corporation > Product > Varistors,Surge Absorbers

Varistors,Surge Absorbers

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The varistor and the surge absorber protect electronic circuits from switching surge and static electricity. Please select either SMD type or lead-wire type according to your mounting needs.

Chip Varistors (General)

Features Product Series Catalog Size(mm) Varistor Vol. (V) Max. Allowable Circuit Vol. (V) Max. Peak
Current (A)
a.c.r.m.s. d.c.
General NV73A1H PDF link of multilayer type metal oxide varistor NV73(1H/1E) 0603 12 - 6.5 1
General NV73A1E 1005 8~120 - 5.5~18 20~0.5
General NV73A1J PDF link of multilayer type metal oxide varistor NV73 1608 8.2~27 4.2~17 6~22 30
General NV73A2A 2012 8.2~47 4.2~30 6~38 10~25
General NV73B2A 2012 8.2~33 4.2~20 6~26 20~50
General NV73C2A 2012 8.2~24 4.2~14 6~18 25~50
General NV73A2B 3216 27~56 17~35 22~45 40
General NV73B2B 3216 8.2~27 4.2~17 6~22 30~50
General NV73C2B 3216 8.2~27 4.2~17 6~22 40~70
General NV73A2E 3225 15~110 8~70 11~90 200~400
General NV73A2J 4532 12~150 6~95 9~127 300~500
General NV73B2J 4532 15~56 8~35 11~45 800
General NV73A2L 5750 12~110 6~70 9~90 1000
General NV73B2L 5750 15~82 8~50 11~65 1000~1200
Geberal NV73C2L 5951 39~82 25~50 30~65 2500~4500

Chip Varistors (Automotive)

Features Product Series Catalog Size(mm) Varistor Vol. (V) Max. Allowable Circuit Vol. (V) Max. Peak
Current (A)
a.c.r.m.s. d.c.
Automotive NV73DL1J PDF link of automotive type multilayer type metal oxide varistor NV73DL 1608 12~47 6.1~30 8.6~34 80~100
Automotive NV73DL2A 2012 12~82 6.1~50 8.6~65 120~160
Automotive NV73DL2B 3216 22~82 14~50 16~65 300
Load dump surge type NV73DSA2L
NV73DSB2L

PDF link of multilayer type metal oxide varistors for load dump surge NV73DS 6151 27, 47 14, 30 16, 34 200

Disk Varistors

Features Product Series Catalog Size Varistor Vol. (V) Max. Allowable Circuit Vol. (V) Max. Peak
Current (A)
(2 times)
a.c.r.m.s. d.c.
Nonflammable NVF10U PDF link of non flammable coated metal oxide varistor NVF φ10 220~680 140~420 180~560 3500(one time)
General NVD05U PDF link of metal oxide varistor NV φ5 18~470 11~300 14~385 50~600
General NVD07U φ7 22~470 14~300 18~385 250~1250
General NVD10U φ10 22~1800 14~1000 18~1465 500~2500
General NVD10UB φ10
22~270 14~175 18~225 500~2500
General NVD14U φ14 22~1800 14~1000 18~1465 1000~4500
General NVD20U φ20 200~910 130~550 170~745 6500~7000

Surge Absorbers

Features Product Series Catalog DC Spark-Over Voltage(V) Electrostatic Capacitance Max. Peak
Current (A)
Low capacitance SA05 PDF link of surge absorber SA 200~700 1pF max.
(1kHz-6V Max.)
500

Common Specification

Items Catalog
Minimum Ordered Quantity PDF link of Minimum Ordered Quantity
Recommended Pad Dimensions PDF link of Recommended Pad Dimension
Packagings For Chip Components PDF link of Packagings For Chip Components
Axial Tapings PDF link of Axial Tapings
Radial Taping PDF link of Radial Taping
Forming PDF link of Forming
Color code•Resistance marking•E series numbers PDF link of Color code•Resistance marking•E series numbers

Inventory
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