SD103B

Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 SD103A THRU SD103C Small Signal Schottky Diodes Features l l l Low Reverse Recovery Time Low Reverse Capacitance Low Forward Voltage Drop l Guard Ring Construction for Transient Protection Mechanical Data l Case: DO-35, Glass l Terminals: Solderable per MIL-STD-202, Method 208 l Polarity: Indicated by Cathode Band DO-35 Maximum Ratings @ 25oC Unless Otherwise Specified D Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Maximum sigle cycle surge 60Hz sine wave Power Dissipation(Note 1) Thermal Resistance, Junction to Ambient Junction Tmperature Operation/Storage Temp. Range Symbol VRRM VRWM VR VR(RMS) IFSM Pd R Tj TSTG SD103A SD103B SD103C 40V 30V 20V A Cathode Mark 28V 21V 15A 400mW 300K/W 125 C -55 to +150 C o o 14V B D C Electrical Characteristics @ 25oC Unless Otherwise Specified C harateristic SD103A Leakage Current SD103B SD103C VF M ----IR ----Symbol T ype Max 5.0uA 5.0uA 5.0uA 0.37V 0 .60V Test Condition VR =30V VR =20V VR =10V IF =20mA IF =200mA VR =0V, f=1.0MHz IF =IR =50mA, recover to 200mA/0.1IR DIM A B C D INCHES MIN ------1.000 DIMENSIONS MM MIN ------25.40 MAX .166 .079 .020 --- MAX 4.2 2.00 .52 --- NOTE Maximum Forward Voltage Drop Junction Capacitance Reverse Recovery Time Cj t rr 50pF 10ns --------- Note: 1. Valid provided that electrodes are kept at ambient temperature www.cnelectr.com SD103A thru SD103C Figure 1. Typical variation of forward current vs. Forward. Voltage for primary conduction through the schottky barrier IF(mA) 
 Figure 2. Typical high current forward conduction curve tp=300ms,duty cycle=2% A  Tj= 25 C 
  
 IF  IF  

  



 

   VF Figure 3. Typical non repetitive forward surge current versus pulse width VF A 

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 tp VR www.cnelectr.com SD103A thru SD103C Figure 5. Blocking deration versus temperature at various average forward currents V 



 


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TA Figure 6. Typical capacitance versus reverse voltage pF 

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