SHINDENGEN Varistor SMD OUTLINE DIMENSIONS VRYA15 Case : 1Y (Unit : mm) RATINGS ●Absolute Maximum Ratings Item Storage Temperature Junction Temperature Average Rectified Forward Current Peak Surge Forward Current Symbol Tstg Tj IO IFSM 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 ●Electrical Characteristics (Tl=25℃) Item Symbol Conditions Junction Capacitance Thermal Resistance Unit ℃ ℃ 90 mArms 90 50 6.5 50 24 Arms A A 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 Forward Voltage Ratings -30～125 125 140 Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd VRYA15 Forward Voltage 1000 per element Forward Current IF [mA] 100 Tl=25°C [TYP] Tl=125°C [TYP] 10 1 Pulse measurement 0.1 0 2 4 6 8 Forward Voltage VF [V] 10 12 VRYA15 Forward Power Dissipation 1.8 Tj=125°C Sine Wave per element 1.6 1.4 Power Dissipation P [W] 1.2 1 0.8 0.6 0.4 0.2 0 0 0.04 0.08 0.12 0.16 0.2 0.24 Average Rectified Forward Current IO (rms) [A] 0.28 Average Rectified Forward Current IO (rms) [A] VRYA15 Derating Curve 0.28 Sine Wave R-load Free in air 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 Ambient Temperature Ta [°C] 140 160 Average Rectified Forward Current IO (rms) [A] VRYA15 Derating Curve 0.14 Sine Wave R-load Free in air 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 Ambient Temperature Ta [°C] 140 160 VRYA15 IFSM Peak Surge Forward Capability 8 10ms 10ms Peak Surge Forward Current IFSM (rms) [A] 1 cycle 2-element series operation, per element non-repetitive, sine wave, Tj=25°C before surge current is applied 6 4 2 0 1 2 5 10 20 Number of Cycles [cycles] 50 100 Junction Capacitance Cj [pF] 0 10 2 4 6 8 10 12 14 100 1000 Junction Capacitance Frequency f [kHz] VRYA15 TYP per element Tl = 25°C 10000