Diodes SMD Type High-Speed Double Diode BAV70 HF (KAV70 HF) SOT-23 Unit: mm +0.1 2.9 -0.1 +0.1 0.4 -0.1 High switching speed: max.4 ns 1 Repetitive peak forward current: max. 450 mA 0.55 Small plastic SMD package 1.3 +0.1 2.4 -0.1 +0.1 -0.1 0.4 3 Features 2 +0.1 0.95 -0.1 +0.1 1.9 -0.1 1.Base 2.Emitter +0.1 0.38 -0.1 0-0.1 +0.1 0.97 -0.1 +0.05 0.1 -0.01 3.collector Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit VRRM 85 V VR 75 V Repetitive peak reverse voltage Continuous reverse voltage Continuous forward current (single diode loaded *) (double diode loaded *) Repetitive peak forward current Non-repetitive peak forward current (Tj = 25 215 IF 125 IFRM 450 IFSM 1 mA mA 4 ) t=1us t = 1ms t = 1s A 0.5 PD 250 mW thermal resistance from junction to tie-point Rth j-tp 360 K/W K/W power dissipation (Tamb = 25 ) * thermal resistance from junction to ambient * Rth j-a 500 Storage temperature Tst g -65 to +150 Junction temperature Tj 150 * Device mounted on an FR4 printed-circuit board. Electrical Characteristics Ta = 25 Parameter Symbol Forward voltage VF Reverse current IR Diode capacitance Cd Reverse recovery time trr forward recovery voltage Vf r Max Unit IF = 1 mA Test Conditions 715 mV IF = 10 mA 855 mV IF = 50 mA 1 V IF = 150 mA VR = 25 V 1.25 30 V nA VR = 75 V 2.5 A VR = 25 V; Tj = 150 60 A VR = 75 V; Tj = 150 100 A f = 1 MHz; VR = 0 V; 1.5 pF 4 ns 1.75 V when switched from IF =10 mA to IR = 10 mA; RL = 100 ; measured at IR = 1 mA; when switched from IF =10 mA; tr = 20 ns; Marking Marking A4t F www.kexin.com.cn 1 Diodes SMD Type BAV70 HF BC817 (KAV70 HF) (KC817) ■ Typical Characterisitics 300 handbook, halfpage IF (mA) IF (mA) 200 double diode loaded 100 0 0 100 T amb ( oC) (2) (3) 100 0 200 0 1 VF (V) 2 (1) Tj = 150 °C; typical values. (2) Tj = 25 °C; typical values. (3) Tj = 25 °C; maximum values. Device mounted on an FR4 printed-circuit board. Fig.1 (1) 200 single diode loaded Maximum permissible continuous forward current as a function of ambient temperature. Fig.2 Forward current as a function of forward voltage. 102 handbook, full pagewidth IFSM (A) 10 1 10−1 1 10 102 103 tp (µs) Based on square wave currents. Tj = 25 °C prior to surge. Fig.3 Maximum permissible non-repetitive peak forward current as a function of pulse duration. 2 www.kexin.com.cn 104 Diodes SMD Type BAV70 HF (KAV70 HF) ■ Typical Characterisitics 102 0.8 handbook, halfpage IR (µA) Cd (pF) VR = 75 V 10 0.6 max 75 V 1 10 0.4 25 V 1 0.2 typ 10 2 typ 0 100 T j ( o C) 0 200 0 4 8 12 VR (V) 16 f = 1 MHz; Tj = 25 °C. Fig.4 Reverse current as a function of junction temperature. Fig.5 Diode capacitance as a function of reverse voltage; typical values. www.kexin.com.cn 3