SHINDENGEN
Varistor
SMD
VRYA15
OUTLINE DIMENSIONS
Case : 1Y (Unit : mm)
RATINGS
●Absolute Maximum Ratings Item
Storage Temperature Junction Temperature
Symbol Tstg Tj
Conditions
Ta = 40℃, Sine wave, R-load, Commercial frequency, On alumina substrate, 1 element operation Ta = 40℃, Sine wave, R-load, Commercial frequency, On alumina substrate, 2 elements operation Ta = 40℃, Sine wave, R-load, Commercial frequency, 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 10/200μs, Non-repetitive, 2 elements series operation 10/1000μs, Non-repetitive, 2 elements series operation
Ratings -30~125 125 140 90
Unit ℃ ℃
Average Rectified Forward Current
IO
mArms 90 50 6.5 50 24 Arms A A
Peak Surge Forward Current
IFSM
●Electrical Characteristics (Tl=25℃) Item Symbol
Forward Voltage
Junction Capacitance Thermal Resistance
Ratings Unit 5.13~6.37 10.25~12.75 VF IF = 10mA, 1 element 6.25~7.50 V 12.50~15.00 IF = 10mA, 2 elements series IF = 70mA, 1 element 7.13~8.37 IF = 70mA, 2 elements series 14.25~16.75 Cj f = 100kHz, VD = 0V, OSC = 50mV TYP 5 pF Junction to ambient, On alumina substrate, 1 element operation MAX 90 θja Junction to ambient, On alumina substrate, 2 elements operation MAX 150 ℃/W Junction to ambient, On glass-epoxy substrate, 1 element operation MAX 150 MAX 250 Junction to ambient, On glass-epoxy substrate, 2 elements operation
IF = 1mA, 1 element IF = 1mA, 2 elements series
Conditions
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
VRYA15
1000 per element
Forward Voltage
100
Forward Current IF [mA]
Tl=125°C [TYP]
Tl=25 °C [TYP]
10
1
Pulse measurement
0.1
0
2
4
6
8
10
12
Forward Voltage VF [V]
VRYA15
1.8 Tj=125°C Sine Wave per element
Forward Power Dissipation
1.6
1.4
1.2
Power Dissipation P [W]
1
0.8
0.6
0.4
0.2
0
0
0.04
0.08
0.12
0.16
0.2
0.24
0.28
Average Rectified Forward Current IO (rms) [A]
VRYA15
Average Rectified Forward Current IO (rms) [A]
0.28 Sine Wave R-load Free in air
Derating Curve
0.24
Alumina substrate Soldering land 1mmφ Conductor layer 20µm 25 × 25 × 0.64mm
0.2
0.16
0.12 1-element operation 0.08
0.04 2-element series operation 0 0 20 40 60 80 100 120 140 160
Ambient Temperature Ta [°C]
VRYA15
Average Rectified Forward Current IO (rms) [A]
0.14 Sine Wave R-load Free in air
Derating Curve
0.12
Glass-epoxy substrate Soldering land 1mmφ Conductor layer 35µm 25 × 25 × 1.5mm
0.1
0.08
0.06 1-element operation 0.04
0.02 2-element series operation 0 0 20 40 60 80 100 120 140 160
Ambient Temperature Ta [°C]
VRYA15
Peak Surge Forward Capability
IFSM
8
10ms 10ms
1 cycle 2-element series operation, per element non-repetitive, sine wave, Tj=25 °C before surge current is applied
Peak Surge Forward Current IFSM (rms) [A]
6
4
2
0
1
2
5
10
20
50
100
Number of Cycles [cycles]
VRYA15
Junction Capacitance
TYP per element Tl = 25°C
14
12
10
8
6
Junction Capacitance Cj [pF]
4
2
0 10 100
1000
10000
Frequency f [kHz]