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  Datasheet File OCR Text:
 SHINDENGEN
Varistor
Axial Package
VR61B(A)
OUTLINE DIMENSIONS
Case : AX06 (Unit : mm)
RATINGS
Absolute Maximum Ratings Item
Storage Temperature Junction Temperature Average Rectified Forward Current Peak Surge Forward Current
Symbol Conditions Tstg Tj IO Ta = 40, Sine wave, R-load IFSM
Commercial frequency, On glass-epoxy substrate 50Hz, Sine wave, 1 cycle, Non-repetitive, Tl = 25
Ratings -30125 125 0.15 7.5 Ratings 2.052.55 2.503.00 2.853.35 MAX 215
Unit Arms Arms Unit V /W
Electrical Characteristics (Tl=25) Item Symbol
IF = 1mA Forward Voltage Thermal Resistance
Conditions
IF = 10mA IF = 70mA Junction to ambient
VF ja
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
VR-61B(A)
1000
Forward Voltage
100
Forward Current IF [mA]
Tl=125C [TYP]
Tl=25C [TYP]
10
1
Pulse measurement
0.1
0
1
2
3
4
5
Forward Voltage VF [V]
VR-61B(A)
0.8 Tj=125C Sine Wave 0.7
Forward Power Dissipation
0.6
Power Dissipation P [W]
0.5
0.4
0.3
0.2
0.1
0
0
0.05
0.1
0.15
0.2
0.25
Average Rectified Forward Current IO (rms) [A]
VR-61B(A)
14
Peak Surge Forward Capability
IFSM
10ms 10ms
12
1 cycle
Peak Surge Forward Current IFSM (rms) [A]
10
non-repetitive, sine wave, Tl=25C
8
6
4
2
0
1
2
5
10
20
50
100
Number of Cycles [cycles]
VR-61B(A)
Average Rectified Forward Current IO (rms) [A]
0.25 Sine wave R-load Free in air 0.2
Derating Curve
Glass-epoxy substrate l
Soldering land 3mm l = 24mm 0.15
0.1
0.05
0
0
50
100
150
Ambient Temperature Ta [C]


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