BAS31

S MD Type General Purpose Controlled Avalanche Diodes KAS29/KAS31/KAS35 (BAS29/BAS31/BAS35) SOT-23 +0.1 2.9-0.1 +0.1 0.4-0.1 Diodes Unit: mm +0.1 2.4-0.1 General application +0.1 1.3-0.1 Small plastic SMD package 1 +0.1 0.95-0.1 +0.1 1.9-0.1 2 0.55 0.4 Features 3 +0.05 0.1-0.01 +0.1 0.97-0.1 1.Base 2.Emitter 3.collector KAS29 KAS31 KAS35 Absolute Maximum Ratings Ta = 25 Parameter Repetitive peak reverse voltage Continuous reverse voltage Continuous forward current* 1 single diode loaded; double diode loaded; Repetitive peak forward current Non-repetitive peak forward current square wave; Tj = 25 prior to surge; t=1 s t = 100 t=1s Total power dissipation Ta = 25 Repetitive peak reverse current Repetitive peak reverse energy *2 Thermal resistance from junction to tie-point Thermal resistance from junction to ambient * 1 Junction temperature Storage temperature *1 Device mounted on an FR4 printed-circuit board. *2 tp 50 s; f 20 Hz; Tj = 25 *1 s Ptot IRRM ERRM Rth j-tp Rth j-a Tj Tstg IFRM Symbol VRRM VR IF Rating 110 90 250 150 600 10 IFSM 4 0.75 250 600 5 360 500 150 -65 to +150 A A mW mA mJ K/W K/W mA A Unit V V mA +0.1 0.38-0.1 0-0.1 www.kexin.com.cn 1 S MD Type KAS29/KAS31/KAS35 (BAS29/BAS31/BAS35) Electrical Characteristics Ta = 25 Parameter Symbol Testconditons IF = 10 mA IF = 50 mA Forward voltage VF IF = 100 mA IF = 200 mA IF = 400 mA Reverse current Reverse avalanche breakdown voltage Diode capacitance Reverse recovery time IR V(BR)R Cd trr VR = 90 V VR = 90 V; Tj = 150 IR = 1 mA f = 1 MHz; VR = 0 when switched from IF = 30 mA to IR = 30 mA; RL = 100 Ù; measured at IR = 3 mA 120 Min Typ Diodes Max 750 840 900 1 1.25 100 100 170 35 50 Unit mV mV mV V V nA A V pF ns Marking NO. Marking KAS29 L20 KAS31 L21 KAS35 L22 2 www.kexin.com.cn S MD Type KAS29/KAS31/KAS35 (BAS29/BAS31/BAS35) Typlcal Characteristics Diodes Device mounted on an FR4 printed-circuit board. (1) Single diode loaded. (2) Double diode loaded. (1) Tj = 150 (2) Tj = 25 (3) Tj = 25 ; typical values. ; typical values. ; maximum values. Fig.1 Maximum Permissible Continuous Forward Current as a Function Of Ambient Temperature. Fig.2 Forward Current as a Function of Forward Voltage. Based on square wave currents. Tj = 25 ° prior to surge. C Fig.3 Maximum permissible non-repetitive peak forward current as a function of pulse duration. www.kexin.com.cn 3 SMD Type KAS29/KAS31/KAS35 (BAS29/BAS31/BAS35) Diodes f = 1 MHz; Tj = 25 ° C. (1) VR = 90 V; maximum values. (2) VR = 90 V; typical values. Fig.5 Diode Capacitance as a Function Of Reverse Voltage; Typical Values. Fig.4 Reverse Current as a Function of Junction Temperature. 4 www.kexin.com.cn