1N18

Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 1N17 THRU 1N19 1.0 Amp Schottky Barrier Rectifier 20 to 40 Volts Features • • • • • High Current Capability Low Power loss High Efficiency Low Forward Voltage Drop Metal Silicon junction, majority carrier conduction Maximum Ratings • • • • Operating Temperature: -55°C to +125°C Storage Temperature: -55°C to +125°C Typical Thermal Resistance: 50oC/W junction to Ambient For capacitive load. Derate current by 20% Maximum Recurrent Peak Reverse Voltage 20V 30V 40V Maximum DC Blocking Voltage 20V 30V 40V D R-1 Part Number 1N17 1N18 1N19 Maximum RMS Voltage 14V 21V 28V A Cathode Mark Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Rectified Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage 1N17 1N18 1N19 Maximum DC Reverse Current At Rated DC Blocking Voltage Typical Junction Capacitance I(AV) IFSM 1.0A 25A TA = 90°C 8.3ms, half sine D B VF C 0.45V 0.55V 0.60V 0.5mA 10mA 110pF IFM = 1.0A; TC = 25°C DIMENSIONS IR CJ TC = 25°C TC = 100°C Measured at 1.0MHz, VR=4.0V DIM A B C D INCHES MIN 0.116 0.091 0.020 0.787 MAX 0.140 0.102 0.024 ----MIN 2.90 2.30 0.50 20.00 MM MAX 3.50 2.60 0.60 ----- NOTE Note: 300 us pulse width, 1% duty cycle www.cnelectr.com 1N17 thru 1N19 FIG.1-FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 
 











RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5MM) LEAD LENGTH FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 
 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) PEAK FORWARD SURGE CURRENT(AMPERES) 
 

 


LEAD TEMPERATURE ( C) NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 

FIG.4-TYPICAL REVERSE CHARACTERISTICS 

INSTANTANEOUS FORWARD CURRENT( AMPERES) TJ=125 C PULSE WIDTH=300 S 1% DUTY CYCLE INSTANTANEOUS REVERSE CURRENT MILL (AMPERES) 
 TJ=25 C 
TJ=125 C
 TJ=75 C






 
  

 TJ=25 C INSTANTANEOUS FORWARD VOLTAGE (VOLTS)









PERCENT OF RATED PEAK REVERSE VOLTAGE% FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, C/ W 



JUNCTION CAPACITANCE(pF) 

TJ=25 C f=1.0MHZ Vsig=50mVp-p 


 

  




  


REVERSE VOLTAGE. VOLTS T, PULSE DURATION ,sec. www.cnelectr.com