Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 LL48 Features l Fast Switching Speed l Protected by a PN junction guard ring against excessive l Low Turn-on Voltage l For General Purpose Application Small Signal Schottky Diode Mechanical Data l Case: Minimelf, Glass MINIMELF 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 Value Unit VRRM 40 V Peak Reverse Voltage Forward Continuous Current(Note1) IF 350 mA Surge Forward Current @ tp< 10ms, TA =25 oC IFSM 7.5 A Power Dissipation(Note 1) Ptot 330 mW RqJA 300 K/W -55 to 125 o Thermal Resistance(Note 1) Operation Temperature Range TA Storage Temperature Range TSTG -55 to 150 o C C Electrical Characteristics @ 25oC Unless Otherwise Specified Charateristic Reverse Breakdown Volt. Reverse Leakge Current. Forward Volt. Drop Junction Capacitance Symbol Min V (BR)R IR VF C tot 40 ----- --------- Typ. Max ----- ----- ----2.0 ----2 15 5 25 25 50 0.25 0.45 0.90 ----- Unit V uA V pF C B A DIMENSION DIM INCHES MM NOTE MIN 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. 100uA pulse V R =10V V R =10V, T J =60 oC V R =20V V R =20V, T J =60 oC V R =40V V R =40V, T J =60 oC I F=0.1mA I F=10mA I F=250mA SUGGESTED SOLDER PAD LAYOUT V R =1V, f=1MHz Note: 1. Valid provided that electrodes are kept at ambient temperature www.cnelectr.com 0.105 0.075” 0.030” LL48 Figure 1. Forward current versus forward voltage at different temperatures(typical values) Figure 2. Forward current versus forward voltage (typical values) IF(mA) IF(mA) Tj= 25 C Tamb=100 C Tamb= 25 C Tamb= 55 C Figure 3.Reverse current versus ambient temperatures IR(µA) 90% confidence VR=20V max. typ. TJ=( C) www.cnelectr.com LL48 Figure 4.Reverse current versus continuous Reverse voltage(typical values) IR(µA) VR=(V) Figure 5.Capacitance C versus reverse applied voltage VR (typical values) C(pF) Tamb= 25 C www.cnelectr.com