Spec. No. : C303S3S Issued Date : 2003.06.10 Revised Date Page No. : 1/4 CYStech Electronics Corp. High – speed double diode BAV70S3 Description The BAV70S3 consists of two high-speed switching diodes with common cathodes, fabricated in planar technology, and encapsulated in the small SOT-323 plastic SMD package. Equivalent Circuit Outline BAV70S3 SOT-323 1 2 Common cathode 3 1：Anode 2：Anode 3：Common cathode Anode Anode Features • Small plastic SMD package • High switching speed: max. 4ns • Continuous reverse voltage: max. 75V • Repetitive peak reverse voltage: max. 85V • Repetitive peak forward current: max. 450mA. Applications • High-speed switching in thick and thin-film circuits. BAV70S3 CYStek Product Specification Spec. No. : C303S3S Issued Date : 2003.06.10 Revised Date Page No. : 2/4 CYStech Electronics Corp. Absolute Maximum Ratings @TA=25℃ Parameters Repetitive peak reverse voltage Continuous reverse voltage Continuous forward current(single diode loaded) Continuous forward current(double diode loaded) Repetitive peak forward current Non-repetitive peak forward current @square wave, Tj=125℃ prior to surge t=1µs t=1ms t=1s Total power dissipation(Note 1) Junction Temperature Storage Temperature Symbol VRRM VR IF Min - IFRM IFSM Ptot Tj Tstg -65 Max 85 75 215 125 450 Unit V V 4 1 0.5 200 150 +150 A A A mW °C °C mA mA Note 1: Device mounted on an FR-4 PCB. Electrical Characteristics @ Tj=25℃ unless otherwise specified Parameters Symbol Forward voltage VF Reverse current IR Diode capacitance Cd Reverse recovery time trr Forward recovery voltage Vfr Conditions Min Typ. - - - - - IF=1mA IF=10mA IF=50mA IF=150mA VR=25V VR=75V VR=25V,Tj=150℃ VR=75V,Tj=150℃ VR=0V, f=1MHz when switched from IF=10mA to IR=10mA,RL=100Ω, measured at IR=1mA when switched from IF=10mA tr=20ns Max 715 855 1 1.25 30 2.5 60 100 Unit mV mV V V nA µA µA µA - 1.5 pF - - 4 ns - - 1.75 V Thermal Characteristics Symbol Parameter Conditions Value Rth, j-a thermal resistance from junction to ambient Note 1 625 Unit ℃/W Note 1: Device mounted on an FR-4 PCB. BAV70S3 CYStek Product Specification Spec. No. : C303S3S Issued Date : 2003.06.10 Revised Date Page No. : 3/4 CYStech Electronics Corp. Characteristic Curves Forward Current vs Forward Voltage Forward Current vs Ambient Temperature 275 225 250 225 single diode loaded 200 Forward Current---IF(mA) Forward Current---IF(mA) 250 175 double diode loaded 150 125 100 75 50 200 175 150 125 100 75 50 25 25 0 0 0 50 100 150 0 200 0.2 0.4 0.6 0.8 1 Forward Voltage---VF(V) Ambient Temperature---Ta(℃) Non-repetitive peak forward current vs pulse duration 0.7 Diode Capacitance---CD(pF) Non-repetitive peak forward current---IFSM(A) 1.4 Diode Capacitance vs Reverse Voltage 100 10 1 0.1 0.6 0.5 0.4 0.3 0.2 0.1 0 1 10 100 1000 Pulse Duration---tp(μs) BAV70S3 1.2 10000 0 2 4 6 8 10 12 14 16 Reverse Voltage---VR(V) CYStek Product Specification Spec. No. : C303S3S Issued Date : 2003.06.10 Revised Date Page No. : 4/4 CYStech Electronics Corp. SOT-323 Dimension Marking: 3 A Q A1 1 C TE A4 Lp 2 detail Z bp e1 W B e E D A Z 3-Lead SOT-323 Plastic Surface Mounted Package CYStek Package Code: S3 θ He 0 v A 2 mm 1 Style : Pin 1. Anode 2.Anode 3. Common Cathode scale *: Typical Inches Min. Max. 0.0315 0.0433 0.0000 0.0039 0.0118 0.0157 0.0039 0.0098 0.0709 0.0866 0.0453 0.0531 0.0512 - DIM A A1 bp C D E e Millimeters Min. Max. 0.80 1.10 0.00 0.10 0.30 0.40 0.10 0.25 1.80 2.20 1.15 1.35 1.3 - DIM e1 He Lp Q v w θ Inches Min. Max. 0.0256 0.0787 0.0886 0.0059 0.0177 0.0051 0.0091 0.0079 0.0079 - Millimeters Min. Max. 0.65 2.00 2.25 0.15 0.45 0.13 0.23 0.2 0.2 10° 0° Notes: 1.Controlling dimension: millimeters. 2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.If there is any question with packing specification or packing method, please contact your local CYStek sales office. Material: • Lead: 42 Alloy ; solder plating • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 Important Notice: • All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek. • CYStek reserves the right to make changes to its products without notice. • CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. • CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. BAV70S3 CYStek Product Specification