Document
DATA SHEET
METAL OXIDE VARISTOR – F34 SERIES
FEATURE
Wide operating voltage (V1mA) range from 82V to 910V. Fast responding to transient over-voltage. Large absorbing transient energy capability. Low clamping ratio and no follow-on current. Meets MSL level 1, per J-STD-020
APPLICATION
Transistor, diode, IC, thyristor or triac semiconductor protection. Surge protection in consumer electronics. Surge protection in industrial electronics. Surge protection in electronic home appliances, gas and petroleum appliances. Relay and electromagnetic valve surge absorption.
F34 SERIES
GENERAL CHARACTERISTICS DEFINITION
Operating Temperature˖-40ć ~ +85ć Storage Temperature˖ -40ć ~ +85ć
PART NUMBER CODE
F 3 4 V 3 85 K
Type
F: Failed Save Varistor type
DISC Dimension
34: 34mm*34mm
Maximum
Allowable Voltage
Tolerance
J: f5% K: f10%
AC Voltage Value
075: 75V 385: 385V
Revision:28-Sep-12
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INTERNAL STRUCTURE
F34 SERIES
DIMENSIONS
Unit: mm Top:
5
40.2 2.5 1.2 L1: 15.8±1.0
3 21 55
W1: 41±1.0
1
23
12.1 0.4
T: 16±1.0
L: 43.9±1.0
F: 25.5±1.0 W: 42.8±1.0
0.5
3.15
9.7
3.15
12
16
Botton:
3.9 1 23
Revision:28-Sep-12
1
23
7 ĭ3
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ELECTRICAL CHARACTERISTIC
F34 SERIES
Part Number
F34V050K F34V060K F34V075K F34V150K F34V180K F34V250K F34V275K F34V320K F34V385K F34V420K F34V460K F34V510K F34V550K
Maximum Allowable Voltage
VAC(V) VDC(V)
50
65
60
85
75
100
150
200
180
230
250
320
275
350
320
415
385
505
420
560
460
615
510
670
550
745
Varistor Voltage
V1mA(V) 82(74~90) 100(90~110) 120(108~132) 246(222~270) 283(256~310) 410(371~449) 453(410~496) 510(459~561) 620(558~682) 680(612~748) 750(675~825) 820(738~902) 910(819~1001)
Maximum Clamping Voltage
Withstanding Surge current
IP(A) VC(V) In (A) I Max. (A)
300 135 20000 40000
300 165 20000 40000
300 200 20000 40000
300 395 20000 40000
300 470 20000 40000
300 650 20000 40000
300 710 20000 40000
300 845 20000 40000
300 1025 20000 40000
300 1120 20000 40000
300 1240 20000 40000
300 1355 20000 40000
300 1500 20000 40000
Maximum Energy
(10/1000ȝs) (J) 156 195 235 480 540 830 920
1060 1250 1250 1280 1395 1475
Revision:28-Sep-12
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ELECTRICAL RATINGS
F34 SERIES
Item
Test Condition/Description
Requirement
Varistor Voltage
Maximum Allowable Voltage
The voltage between two terminals with the specified measuring current 1mA.DC applied is call Vb. The recommended maximum sine wave voltage (RMS) or the maximum DC voltage can be applied continuously. The maximum voltage between two terminals with the specification standard impulse current. Applied waveform: 8/20ȝsec.
Maximum Clamping Voltage
To meet the specified value
Rated Wattage
Energy
Withstanding Surge Current
Varistor Voltage Temp. Coefficient
The maximum average power that can be applied within the specified
ambient temperature.
The maximum energy within the varistor voltage change of ±10%
when one impulse of 10/1000ȝsec. or 2.