ZINC OXIDE VARISTORS Introduction

Zinc Oxide Varistors
VN 32 Uncoated Discs
d
D
HOW TO ORDER
VN32
Type
M
Material
0
0461
RMS
Operating Voltage
PARTICULAR CHARACTERISTICS
t
GENERAL CHARACTERISTICS
Max. operating temperature: +85°C
Storage temperature: -40°C to +125°C
Ceramic discs with silver layer on each face
MARKING
On packaging only
REMARK
Discs of 14 mm and 20 mm available upon request
Max. operating Nominal voltage Clamping voltage Energy Max. peak current
voltage at 1 mA DC Vp(V) 1 surge with insulating coating
Type (10 x 1000 µs) (8 x 20 µs)
V RMS V DC V R W lp (kA)
(V) (V) (V) at 2.5 kA at 5 kA (J) 1 pulse 2 pulses
VN32M00251K- - 250 330 390 970 1100 200 25 15
VN32M02750K- - 275 369 430 1075 1230 260 25 15
VN32M00321K- - 320 420 510 1200 1380 300 25 15
VN32M00381K- - 380 500 610 1350 1550 350 25 15
VN32M00421K- - 420 560 680 1500 1700 400 25 15
VN32M00461K- - 460 615 750 1650 1900 450 25 15
VN32M00511K- - 510 675 820 1800 2070 500 25 15
VN32M05750K- - 575 730 910 2000 2300 550 25 15
VOLTAGE-CURRENT CHARACTERISTICS
K
Tolerance
– –
Suffix
DIMENSIONS: millimeters (inches)
Type D d t
±1.5 ±1 max.
VN32M00251K- - 32 (1.26) 28 (1.10) 2.8 (.110)
VN32M02750K- - 32 (1.26) 28 (1.10) 3.1 (.122)
VN32M00321K- - 32 (1.26) 28 (1.10) 3.7 (.146)
VN32M00381K- - 32 (1.26) 28 (1.10) 4.4 (.173)
VN32M00421K- - 32 (1.26) 28 (1.10) 4.9 (.193)
VN32M00461K- - 32 (1.26) 28 (1.10) 5.5 (.217)
VN32M00511K- - 32 (1.26) 28 (1.10) 6.0 (.236)
VN32M05750K- - 32 (1.26) 28 (1.10) 6.6 (.260)
U (v)
10,000
5
4
2
1,000
8
5750
0511
0461
0421
0381
0321
2750
0251
5
4
2
100
10 -5 10 -4 10 -3 10 -2 10 -1 1
I (A)
10 100 1,000 10,000
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