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DNR20D751KBS Schematic ( PDF Datasheet ) - ETC

Teilenummer DNR20D751KBS
Beschreibung VARISTOR
Hersteller ETC
Logo ETC Logo 




Gesamt 2 Seiten
DNR20D751KBS Datasheet, Funktion
規格承認書
SPECIFICATION FOR APPROVAL
S PECIFICATION
PART
NO.
DNR20D751KBS
UL E333049
1.OUTLINE
1.1 APPEARANCE
1.2 DIMENSIONS
NO.
PAGE 1 OF 2
DATE: 2014 3 27
Without Any Crack, Marking Should be Clear
DIMENSIONS (mm)
D (max)
24.0
H (max)
28.0
T (max)
9.0
d (±0.05)
1.0
W (±1.0)
10.0
L (min)
25.0
L
W
2.ELETRICAL PARAMETER
2.1 Max. Allowable Voltage
2.2 Varistor Voltage
2.3 Rated Wattage
2.4 Max. Clamping Voltage
2.5 Withstanding Surge Current
2.6 Max. Energy
2.7 Typical Capacitance(reference)
2.8 Leakage Current
2.9 Nonlinear Exponent (α)
2.10
Temperature Coefficient of
Varistor Voltage
2.11 Impulse Life
460(V)
615 (V)
67 5-825(V)
AC
DC
V1mA
1.0 (W)
IP: 100 (A)
Vc: 1240(V)
1time: 6500(A)
2times: 4000(A)
25 5(J)
530(pf)
45(μA)
Test Current Waveform
8/20μs
Test Current Waveform
8/20μs
Test Current Waveform
10/1000μs
@1KHz
At 80% of Varistor Voltage
40
I1 V1
α=log
log
I2 V2
± 0.05%/
Max.
Vc85-Vc25
Vcat25
×
1
60
×100(%℃)
±10%(V1mA)
Test Current Waveform
8/20μs
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