LLSD103A THRU LLSD103C Shanghai Lunsure Electronic Technology Co.,Ltd Technology Co.,Ltd Fax:0086-21-57152769 Features l Low Reverse Recovery Time l Low Reverse Capacitance l Low Forward Voltage Drop Schottky Barrier Switching Diode l Guard Ring Construction for Transient Protection Mechanical Data MINIMELF l Case: MiniMELF, Glass l Terminals: Solderable per MIL-STD-202, Method 208 l Polarity: Indicated by Cathode Band l Weight: 0.05 grams ( approx.) Cathode Mark Maximum Ratings @ 25oC Unless Otherwise Specified Characteristic Symbol LLSD103A LLSD103B LLSD103C Peak Repetitive Reverse Voltage VRRM Working Peak Reverse Voltage VRWM DC Blocking Voltage VR C 40V 30V 20V B RMS Reverse Voltage VR(RMS) Forward Continuous Current(Note1) IFM 350mA Maximum Single cycle surge 60Hz sine wave IFSM 15A Power Dissipation(Note 1) Pd 400mW Thermal Resistance(Note 1) R 250K/W Operation/Storage Temp. Range Tj, TSTG -55 to 150 C 28V 21V 14V A DIMENSION DIM o Electrical Characteristics @ 25oC Unless Otherwise Specified Charateristic Peak LLSD103A Reverse LLSD103B Current LLSD103C Maximum Forward Symbol Min Typ Max INCHES ----- ----- 5.0uA NOTE MAX MIN MAX A B .134 .008 .142 .016 3.40 0.20 3.60 0.40 C .055 .059 1.40 1.50 Test Cond. SUGGESTED SOLDER PAD LAYOUT V R =30V IRM MM MIN 0.105 V R =20V V R =10V VF M ----- ----- Voltage Drop 0.37V IF =20mA 0.60V IF =200mA Junction Capacitance Cj ----- 50 pF V R =0V, f=1.0MHz Reverse Recovery Time trr ----- 10 ns IF =IR =50mA to 200mA, recover to 0.1 I R Note: 1. Valid provided that electrodes are kept at ambient temperature www.cnelectr.com 0.075” 0.030” LLSD103A thru LLSD103C 5 1000 IF, FORWARD CURRENT (A) 100 10 1.0 0.10 0.01 0 0.5 4 3 2 1 0 1.0 0 VF, FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics 0.5 40 100mA 30 200mA IF = 400mA 20 10 0 0 1.0 1.5 VF, FORWARD VOLTAGE (V) Fig. 2 Typical High Current Fwd Characteristics 50 VR, REVERSE VOLTAGE (V) IF, FORWARD CURRENT (mA) tp = 300µs duty cycle = 2% 100 200 TA, AMBIENT TEMPERATURE (°C) Fig. 3 Blocking Voltage Derating Curves www.cnelectr.com