SS34LB

山东晶导微电子股份有限公司 SS34LB Jingdao Microelectronics co.LTD Surface Mount Schottky Barrier Rectifier Reverse Voltage - 40V Forward Current - 3.0 A PINNING PIN FEATURES • Metal silicon junction, majority carrier conduction • For surface mounted applications • Low power loss, high efficiency • High forward surge current capability • For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications DESCRIPTION 1 Cathode 2 Anode 2 1 Top View Marking Code: SS34L Simplified outline SMB and symbol MECHANICAL DATA • Case: SMB • Terminals: Solderable per MIL-STD-750, Method 2026 • A pprox. Weight: 95m g （0.0034oz） Maximum Ratings and Electrical characteristics Ratings at 25 °C ambient temperature unless otherwise specified. Single phase half-wave 60 Hz, resistive or inductive load, for capacitive load current derate by 20 %. Parameter Symbols SS34LB Units Maximum Repetitive Peak Reverse Voltage V RRM 40 V Maximum RMS voltage V RMS 28 V Maximum DC Blocking Voltage V DC 40 V Maximum Average Forward Rectified Current I F(AV) 3.0 A Peak Forward Surge Current,8.3ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) I FSM 80 A Max Instantaneous Forward Voltage at 3 A VF 0.50 V Maximum DC Reverse Current T a = 25°C T a =100°C IR 0.5 5 mA Typical Junction Capacitance（1） Cj 450 pF Typical Thermal Resistance （2） RθJA 60 °C/W Tj -55 ~ +125 °C T stg -55 ~ +150 °C at Rated DC Reverse Voltage Operating Junction Temperature Range Storage Temperature Range （1）Measured at 1 MHz and applied reverse voltage of 4 V D.C （2）P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas. 2018.10 SMB-S-SS34LB-3A40V Page 1 of 3 山东晶导微电子股份有限公司 SS34LB Jingdao Microelectronics co.LTD Fig.2 Typical Reverse Characteristics 3.5 3.0 2.4 1.8 1.2 0.6 0.0 25 50 75 100 125 150 Instaneous Reverse Current ( μA) Average Forward Current (A) Fig.1 Forward Current Derating Curve 10 4 T J =100°C 10 3 T J =75°C 10 2 10 1 T J =25°C 10 0 0 Case Temperature (°C) 60 80 100 Fig.4 Typical Junction Capacitance T J =25°C Junction Capacitance ( pF) 20 10 1.0 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 200 100 20 10 0.1 1 10 100 Reverse Voltage (V) Fig.5 Maximum Non-Repetitive Peak Forward Surage Current Fig.6- Typical Transient Thermal Impedance 80 70 60 50 40 8.3 ms Single Half Sine Wave (JEDEC Method) 20 1 500 Instaneous Forward Voltage (V) 90 30 1000 1.8 10 100 Transient Thermal Impedance（ °C /W） Peak Forward Surage Current (A) Instaneous Forward Current (A) Fig.3 Typical Forward Characteristic 100 Number of Cycles at 60Hz 2018.10 40 20 Percent of Rated Peak Reverse Voltage（%） 10 1 0.01 0.1 1 10 100 t, Pulse Duration（sec） www.sdjingdao.com Page 2 of 3 山东晶导微电子股份有限公司 SS34LB Jingdao Microelectronics co.LTD PACKAGE OUTLINE SMB Plastic surface mounted package; 2 leads L A A1 C A b D E E1 VM A SMB mechanical data UNIT mm mil A1 L C b 5.59 0.20 1.5 0.305 2.2 3.3 5.08 0.05 0.8 0.152 1.9 155 220 7.9 59 12 87 200 2.0 32 6 75 A E D max 2.44 4.70 3.94 min 2.13 4.06 max 96 185 min 84 130 160 E1 The recommended mounting pad size 2.2 (86) Type number Marking code SS34LB SS34L 2.4 (94) 2.8 (110) 2.4 (94) Marking mm Unit ： (mil) 2018.10 810095A0 Page 3 of 3