SHINDENGEN
Varistor
VRYA6
SMD
OUTLINE DIMENSIONS
Case : 1Y
(Unit : mm)
RATINGS
●Absolute Maximum Ratings
Item Symbol Conditions Ratings Unit
Storage Temperature
Junction Temperature
Average Rectified Forward Current Ta = 40℃, Sine wave, R-load, Commercial frequency,
Peak Surge Forward Current
●Electrical Characteristics (Tl=25℃)
Item Symbol Conditions Ratings Unit
Forward Voltage
Junction Capacitance
Tstg -30～125 ℃
Tj 125 ℃
Ta = 40℃, Sine wave, R-load, Commercial frequency,
On alumina substrate, 1 element operation
Ta = 40℃, Sine wave, R-load, Commercial frequency,
I
On alumina substrate, 2 elements operation
O
On glass-epoxy substrate, 1 element operation
Ta = 40℃, Sine wave, R-load, Commercial frequency,
On glass-epoxy substrate, 2 elements operation
50Hz, Sine wave, Non-repetitive, 2 elements series operation
I
10/200μs, Non-repetitive, 2 elements series operation
FSM
10/1000μs, Non-repetitive, 2 elements series operation
IF = 1mA, 1 element
IF = 1mA, 2 elements series
V
IF = 10mA, 1 element
F
IF = 10mA, 2 elements series
IF = 70mA, 1 element
IF = 70mA, 2 elements series
f = 100kHz, VD = 0V, OSC = 50mV
Cj
310
200
mArms
200
130
8Arms
65 A
30 A
2.05～2.55
4.10～5.10
2.50～3.00 V
5.00～6.00
2.85～3.35
5.70～6.60
TYP 13pF
Junction to ambient, On alumina substrate, 1 element operation
Thermal Resistance
θja
Junction to ambient, On alumina substrate, 2 elements operation
Junction to ambient, On glass-epoxy substrate, 1 element operation
Junction to ambient, On glass-epoxy substrate, 2 elements operation
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
MAX 90
MAX 150 ℃/W
MAX 150
MAX 250
1000
100
[mA]
F
10
VRYA6
per element
Tl=125°C [TYP] Tl=25°C [TYP]
Forward Voltage
Forward Current I
1
0.1
0 1 2 3 4 5 6
Pulse measurement
Forward Voltage VF [V]
1.8
Tj=125°C
per element
Sine Wave
1.6
1.4
1.2
1
VRYA6
Forward Power Dissipation
0.8
Power Dissipation P [W]
0.6
0.4
0.2
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Average Rectified Forward Current IO (rms) [A]
0.35
VRYA6 Derating Curve
0.3
(rms) [A]
O
0.25
0.2
1-element operation
0.15
0.1
2-element series operation
0.05
Average Rectified Forward Current I
Sine Wave
R-load
Free in air
0
0 20 40 60 80 100 120 140 160
Alumina substrate
Soldering land 1mmφ
Conductor layer 20µm
25 × 25 × 0.64mm
Ambient Temperature Ta [°C]
0.28
Sine Wave
R-load
0.24
Free in air
(rms) [A]
O
0.2
0.16
0.12
0.08
VRYA6 Derating Curve
Glass-epoxy substrate
Soldering land 1mmφ
Conductor layer 35µm
25 × 25 × 1.5mm
1-element operation
0.04
2-element series operation
Average Rectified Forward Current I
0
0 20 40 60 80 100 120 140 160
Ambient Temperature Ta [°C]
VRYA6
Peak Surge Forward Capability
9
FSM
I
8
7
6
(rms) [A]
FSM
5
4
3
10ms 10ms
1 cycle
2-element series operation,
per element
non-repetitive,
sine wave,
Tj=25°C before
surge current is applied
2
Peak Surge Forward Current I
1
0
1 10 100
2 5 20 50
Number of Cycles [cycles]
TYP
per element
Tl = 25°C
Junction Capacitance
Frequency f [kHz]
VRYA6
25
20
15
10
10 100 1000 10000
5
0
Junction Capacitance Cj [pF]
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