MCC 1N4942 omponents 21201 Itasca Street Chatsworth !"# $ % !"# Features • • • • THRU 1N4948 1 Amp Fast Recovery Rectifier 200 to 1000 Volts Low Leakage Current Metalurgically Bonded Construction Low Cost Fast Switching For High Efficiency Maximum Ratings • • • DO-41 Operating Temperature: -55°C to +150°C Storage Temperature: -55°C to +150°C Maximum Thermal Resistance; 50 °C/W Junction To Ambient Microsemi Catalog Number 1N4942 1N4944 1N4946 1N4947 1N4948 Device Marking ----------- Maximum Recurrent Peak Reverse Voltage 200V 400V 600V 800V 1000V Maximum RMS Voltage Maximum DC Blocking Voltage 140V 280V 420V 560V 700V D 200V 400V 600V 800V 1000V A Cathode Mark B Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage Maximum DC Reverse Current At Rated DC Blocking Voltage Maximum Reverse Recovery Time 1N4942-4944 1N4946-4947 1N4948 Typical Junction Capacitance IF(AV) 1.0A TA =55°C IFSM 25A 8.3ms, half sine VF 1.3V IFM = 1.0A; TA = 25°C* IR 5.0µA 500µA TJ = 25°C TJ = 175°C Trr CJ 150ns 250ns 500ns 15pF IF=0.5A, IR=1.0A, Irr=0.25A Measured at 1.0MHz, VR=4.0V D C DIMENSIONS DIM A B C D INCHES MIN .166 .080 .028 1.000 *Pulse test: Pulse width 300 µsec, Duty cycle 2% www.mccsemi.com MAX .205 .107 .034 --- MM MIN 4.10 2.00 .70 25.40 MAX 5.20 2.70 .90 --- NOTE 1N4942 thru 1N4948 Figure 1 Typical Forward Characteristics 20 Figure 2 Forward Derating Curve 10 1.2 6 4 1.0 2 Amps .8 1 .6 .6 Amps .4 .4 .2 25°C .2 .1 Single Phase, Half Wave 60Hz Resistive or Inductive Load .06 0 .04 0 50 75 100 125 150 175 °C .02 .01 .4 .6 .8 1.0 1.2 Average Forward Rectified Current - Amperesversus Ambient Temperature - °C 1.4 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts Figure 3 Junction Capacitance 100 60 40 20 pF TJ=25°C 10 6 4 2 1 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 400 Junction Capacitance - pFversus Reverse Voltage - Volts www.mccsemi.com 1000 1N4942 thru 1N4948 Figure 4 Typical Reverse Characteristics Figure 5 Non-Repetitive Peak Forward Surge Current 100 30 60 40 25 20 20 10 15 6 4 Amps TA=125°C 10 5 2 0 µAmps 1 1 2 4 .6 .4 6 8 10 20 40 60 80 100 Cycles Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles TA=75°C .2 .1 .06 .04 TA=25°C .02 .01 20 40 60 80 100 120 140 Volts Instantaneous Reverse Leakage Current - MicroAmperesversus Percent Of Rated Peak Reverse Voltage - Volts Figure 6 Reverse Recovery Time Characteristic And Test Circuit Diagram 50Ω 10Ω trr +0.5A 0 Pulse Generator Note 2 25Vdc 1Ω Notes: 1. Rise Time = 7ns max. Input impedance = 1 megohm, 22pF 2. Rise Time = 10ns max. Source impedance = 50 ohms 3. Resistors are non-inductive Oscilloscope Note 1 -0.25 -1.0 1cm Set Time Base for 20/100ns/cm www.mccsemi.com