SHINDENGEN Varistor Axial Package OUTLINE DIMENSIONS VR61B(A) 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℃ ●Electrical Characteristics (Tl=25℃) Item Symbol Conditions IF = 1mA Forward Voltage Thermal Resistance VF θja IF = 10mA IF = 70mA Junction to ambient Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd Ratings -30～125 125 0.15 Unit ℃ ℃ Arms 7.5 Arms Ratings 2.05～2.55 2.50～3.00 2.85～3.35 MAX 215 Unit V ℃/W VR-61B(A) Forward Voltage 1000 Forward Current IF [mA] 100 Tl=125°C [TYP] Tl=25°C [TYP] 10 1 Pulse measurement 0.1 0 1 2 3 Forward Voltage VF [V] 4 5 VR-61B(A) Forward Power Dissipation 0.8 Tj=125°C Sine Wave 0.7 Power Dissipation P [W] 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0.05 0.1 0.15 0.2 Average Rectified Forward Current IO (rms) [A] 0.25 VR-61B(A) Peak Surge Forward Capability IFSM 14 10ms 10ms Peak Surge Forward Current IFSM (rms) [A] 12 1 cycle non-repetitive, sine wave, Tl=25°C 10 8 6 4 2 0 1 2 5 10 20 Number of Cycles [cycles] 50 100 Average Rectified Forward Current IO (rms) [A] VR-61B(A) Derating Curve 0.25 Sine wave R-load Free in air Glass-epoxy substrate l 0.2 Soldering land 3mmφ l = 24mm 0.15 0.1 0.05 0 0 50 100 Ambient Temperature Ta [°C] 150