LL48

Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 LL48 Features l l l l Fast Switching Speed Protected by a PN junction guard ring against excessive Low Turn-on Voltage For General Purpose Application Small Signal Schottky Diode Mechanical Data l Case: Minimelf, Glass l Terminals: Solderable per MIL-STD-202, Method 208 l Polarity: Indicated by Cathode Band MINIMELF l Weight: 0.05 grams ( approx.) Maximum Ratings @ 25oC Unless Otherwise Specified Characteristic Peak Reverse Voltage Forward Continuous Current(Note1) Surge Forward Current @ tp< 10ms, TA =25 oC Power Dissipation(Note 1) Thermal Resistance(Note 1) Operation Temperature Range Storage Temperature Range Cathode Mark Symbol VRRM IF IFSM Ptot RqJA Value 40 350 7.5 330 300 -55 to 125 -55 to 150 Unit V mA A mW K/W o o C B A DIMENSION DIM A B C INCHES MIN .134 .008 .055 MAX .142 .016 .059 MIN 3.40 0.20 1.40 MM MAX 3.60 0.40 1.50 NOTE TA TSTG C C Electrical Characteristics @ 25oC Unless Otherwise Specified C harateristic Reverse Breakdown Volt. Symbol Min V (BR)R 40 Typ. Max --------2 15 5 25 25 50 0.25 0.45 0.90 ----Unit V 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 V R =1V, f=1MHz SUGGESTED SOLDER PAD LAYOUT 0.105 Reverse Leakge Current. IR - ---- ----- uA 0.075” Forward Volt. Drop Junction Capacitance VF C tot - ---- ---- ----2.0 V pF 0.030” Note: 1. Valid provided that electrodes are kept at ambient temperature www.cnelectr.com LL48 Figure 1. Forward current versus forward voltage at different temperatures(typical values) IF(mA) 
 Figure 2. Forward current versus forward voltage (typical values) 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    






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