www.eicsemi.com BAX12, BAX12A CONTROLLED AVALANCHE DIODES DO - 35 FEATURES : * Switching speed: max. 50 ns * Continuous reverse voltage: max. 90V * Repetitive peak reverse voltage: max. 90V * Repetitive peak forward current: max.800 mA * Repetitive peak reverse current: max.600mA * Pb / RoHS Free 0.079(2.0 )max. 1.00 (25.4) min. 0.150 (3.8) max. MECHANICAL DATA : * Case : DO-35 Glass Case * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.13 gram (approximately) 0.020 (0.52)max. 1.00 (25.4) min. Dimensions in inches and ( millimeters ) MAXIMUM RATINGS Parameter Symbol Value Unit VRRM VR IF IFRM 90 90 400 800 55 15 9 450 600 200 -65 to + 200 V V mA A Repetitive Peak Reverse Voltage Continuous Reverse Voltage Continuous Forward Current Repetitive Peak Forward Current Non-repetitive Peak Forward Current Square wave: Tj = 25 °C prior to surge t = 1 μs t = 100 μs t = 10 ms IFSM Ptot IRRM TJ TS Total Power Dissipation , Ta = 25 °C Repetitive Peak Reverse Current Junction Temperature Storage Temperature Range A mW mA °C °C Note : (1) Device mounted on an FR4 printed circuit-board; lead length 10 mm. ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise noted) Parameter Reverse Avalanche Breakdown Voltage Symbol BAX12 BAX12A V(BR)R Reverse Current IR Forward Voltage Diode Capacitance VF Cd Reverse Recovery Time Trr Test Condition IR = 1mA IR = 0.1mA VR = 90 V VR = 90 V, Tj = 150 °C IF = 400 mA f = 1MHz ; VR = 0 Min. Max. Unit 120 120 - 170 170 100 100 1.25 35 V V nA - 50 ns μA V pF IF = 30mA , IR = 30mA Page 1 of 2 RL = 100 Ω measured at IR = 3 mA Rev. 01 : October 15, 2007 www.eicsemi.com RATING AND CHARACTERISTIC CURVES ( BAX12, BAX12A ) Fig.1 - Maximum permissible continuous forward current as a function of ambient temperature. Fig.2 - Forward current as a function of forward voltage. (1) Tj = 175°C; typical values. (2) Tj = 25°C; typical values. (3) Tj = 25°C; maximum values. Device mounted on an FR4 printed circuit board; lead length 10mm. Fig.3 - Reverse current as a function of junction temperature. Fig.4 - Diode capacitance as a function of reverse voltage; typical values. f = 1 MHz; Tj = 25 VR = 90 . Solid line: maximum values. Dotted line: typical values. Fig.5 - Maximum permissible non-repetitive peak forward current as a function of pulse duration. Based on square wave currents. Tj = 25 °C prior to surge. Page 2 of 2 Rev. 01 : October 15, 2007