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HOW TO ORDER Zinc Oxide Leaded Varistors
FNR __ 05
K
| ||
Non Linear Resistor
Type & Diameter Tolerance
Designation
Designation Designation
See Table A
P/N Example: FNR ─ 05K180T
K = ± 10%
M = ± 20%
180
|
Rated
Voltage
First 2 digits are
significant;
Last digit is
number of zeros
B
|
Packaging
Method
B = Bulk
T = Tape & Reel
TYPE & DIAMETER DESIGNATION
Table A
Type Varistor
Rated
D
d WH
T
Code Type
Voltage
Max ± 0.1 ± 1.0 Max Max
05
18 – 82
7.0
0.6
5.0
10.0
3.5
100 – 470
7.5
0.6
5.0 10.0 6.0
07 18 – 470 9.0 0.6 5.0 12.0 6.0
10
14
General
Usage
18 – 330
360 – 1100
18 – 330
360 – 1100
13.5
14.0
17.0
17.5
0.8
0.8
0.8
0.8
7.5 16.5 5.4
7.5 17.0 8.5
7.5 20.0 5.4
7.5 20.5 8.5
1800
25.0 0.8 15.0 30.0 12.0
18 – 330 23.0 1.0 10.0 27.0 5.5
20 360 – 1100 24.0 1.0 10.0 28.0 9.0
1800
25.0 1.0 10.0 30.0 12.0
25
32
40
Lightning
Arrestor
47 - 1100
30
38
45
1.2
1.5
1.5
15 33.0 12.0
18 41.0 13.0
Note:
20 48.0 13.0 All dimensions in mm
Note: Type Codes 05, 07,10 and 14 available on tape and in bulk; all larger sizes in bulk only.
ZINC OXIDE LEADED VARISTOR PERFORMANCE
ITEM
REQUIREMENTS
TEST CONDITION
Humidity load
resistance
Maximum surge
current
Maximum surge
energy
ESD life
ESD test
1. No mechanical damage
2. Varistor voltage change: within ±
10%
Varistor voltage change: within ±
10% per IECI000-4-5 standard;
1.2/50 µs - 8/20 µs voltage-current
combination pulse
Varistor voltage change within ±
10% per IECI000-4-5 standard:
10/1000 µs current pulse
1. No mechanical damage
2. Varistor voltage change: within ±
10%; ESD gun (IEC1000-4-2
standard) C=l50pF R=330Ω
1. No mechanical damage
2. Varistor voltage change: within ±
10%; use ESD gun (IEC1000-4-2
standard) C=l50pF R=330Ω
Temperature / Humidity:
+40 ±2° C / 90—95%RH
Applied Voltage:
working voltage
Duration:
500 hours
Measured after 24 hours at room ambient temperature
Temperature:
Humidity:
Number of pulses
Surge pulse:
Applied current:
+40 ±2° C
90—95%RH
one (1)
8/20 µs
maximum surge current (Is)
Temperature / Humidity:
Number of pulses
Surge pulse:
Applied current:
+40 ±2° C / 90—95%RH
one (1)
10/1000 µs
maximum surge current (Is)
Discharge:
Voltage:
Number of discharges:
contact discharge
8,000V(level 4)
10,000 times in 10 sec.
Discharge:
Voltage:
Number of discharges:
Air discharge
25,000V(special level)
10 times in 10 sec
15191 Bledsoe St., Sylmar, CA 91342
Tel (818) 364-9800 • Fax (818) 364-6100
Varistors
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