BAV74 Surface Mount Switching Diode SWITCHING DIODE P b Lead(Pb)-Free 200m AMPERES 50 VOLTS Features: *Low Current Leakage *Low Forward Voltage *Reverse Recover Time Trr ≤ 4ns *Small Outline Surface Mount SOT-23 Package 3 1 2 SOT-23 SOT-23 Outline Dimensions Uint:mm A B TOP VIEW E G C D H K J WEITRON http://www.weitron.com.tw L M 1/3 Dim A B C D E G H J K L M Min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076 Max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25 15-Jul-05 BAV74 Maximum Ratings Symbol Value Unit Reverse Voltage VR 50 V Forward Current IF 200 mA IFM 500 mA Symbol Max Unit PD 225 1.8 556 mW mW/˚C RθJA 300 2.4 417 mW mW/˚C ˚C/W TJ, Tstg -55 to + 150 ˚C Characteristic Peak Forward Surge Current Thermal Characteristics Characteristic 1 Total Device Dissipation FR-5 Board TA=25˚C Derate Above 25˚C RθJA Thermal Resistance Junction to Ambient ˚C/W 2 Total Device Dissipation Alumina Substrate TA=25˚C Derate Above 25˚C Thermal Resistance Junction to Ambient Junction and Storage Temperature PD 1. FR-5=1.0x0.75x0.062 in. 2. Alumina=0.4x0.3x0.024 in 99.5% Alumina. Electrical Characteristics Characteristic (TA=25˚C Unless Otherwise Note) (Each Diode) Symbol Min Max Unit Off Characteristics Reverse Breakdown Voltage IBR = 5.0 μAdc VBR 50 - V Reverse Voltage Leakage Current VR=50V, TJ=125˚C VR=50V IR - 100 0.1 μA Diode Capacitance (VR = 0, f = 1.0 MHz) CD - 2.0 PF Forward Voltage IF = 100 mAdc VF - 1.0 V Reverse Recovery Time IF=IR=10 mAdc,IR(REC)=1.0 mAdc measured at IR=1.0mA RL=100Ω t rr - 4.0 ns WEITRON http://www.weitron.com.tw 2/3 15-Jul-05 BAV74 Device Marking Item Marking BAV74 JA Eqivalent Circuit diagram 1 2 3 Characteristics Curve 100 IA. REVERSE CURRENT (µA) IF, FORWARD CURRENT (mA) 10 TA=85˚C TA=- 40˚C 10 TA=25°C 1.0 0.1 TA=150°C 0.4 0.6 0.8 1.0 1.2 TA=85°C 0.1 TA=55°C 0.01 0.001 0.2 TA=125°C 1.0 TA=25°C 0 10 20 30 40 50 VR. REVERSE VOLTAGE (VOLTS) VF, FORWARD VOLTAGE (VOLTS) FIG.2 LEAKAGE CURRENT FIG.1 FORWARD VOLTAGE CD. DIODE CAPACITANCE (PF) 1.0 0.9 0.8 0.7 0.6 0 2 4 6 8 VR. REVERSW VOLTAGE (VOLTS) FIG.3 CAPACITANCE WEITRON http://www.weitron.com.tw 3/3 15-Jul-05