1N6639 1N6640 1N6641 FEATURES • Available in axial leaded and surface mount configurations • Ultra Fast Reverse Recovery Time • Very low Capacitance • Metallurgically Bonded • Non-cavity glass package • Available as JANTX, JANTXV and JANS per MIL-S-19500/609 • Replacement for 1N4150 Types 300 mAmp 75-100 Volts 4 nsec Computer Switching Diode MAXIMUM RATINGS @ 25°°C Type Number Reverse Voltage Part Numbers 1N6639 1N6639US 1N6640 1N6640US 1N6641 1N6641US Working Peak Reverse Voltage Operating Current VBR VRWM IO Volts 100 100 75 75 75 75 Volts 75 75 50 50 50 50 mA 300 300 300 300 300 300 (see note 1) Peak Forward Surge Current Thermal Resistance Junction to Lead Thermal Resistance Junction to Case Operating and Storage Temperature (see note 2) (L=.375”) IFSM RθJL RθJC TOP & Tstg Amps 2.5 2.5 2.5 2.5 2.5 2.5 ° C/W 160 160 160 160 160 160 ° C/W 50 50 50 50 50 50 °C -65 to +175 -65 to +175 -65 to +175 -65 to +175 -65 to +175 -65 to +175 MECHANICAL CHARACTERISTICS CASE STYLE: Axial Leaded CASE: Voidless Hermetically Sealed Hard Glass LEAD: Solder dipped Copper Clad Steel MARKING: Body Painted, Alpha Numeric POLARITY: Cathode Band ELECTRICAL CHARACTERISTICS @ 25°C Type Number Maximum Forward Voltage VF@IF V@ 200mA 1N6639 1N6639US 1N6640 1N6640US 1N6641 1N6641US Note: VR=75V TA=25°C nA 100 100 1.0V 1.0V 1.1 1.1 Type Number 1N6639 1N6639US 1N6640 1N6640US 1N6641 1N6641US V@ 500mA 1.2V 1.2V MaximumD.C. Reverse Current IR Reverse Recovery Time (note 3) trr ns 4 4 4 4 5 5 VR=50V TA=25°C nA VR=75V TA=150°C µA 100 100 VR=50V TA=150°C µA 100 100 100 100 Maximum Forward Recovery Voltage and Time If=50mA, tr = 1ns Vfr Volts 5.0 5.0 5.0 5.0 5.0 5.0 tfr ns 10 10 10 10 10 10 100 100 100 100 Maximum Junction Capacitance f=1MHz Vsig=50mV(p-p) VR=0V pf 2.5 2.5 2.5 2.5 3.0 3.0 VR = 10 V pf CASE STYLE: Surface Mount-US END CAP MATERIAL : Solid Silver END CAP STYLE: Square POLARITY: Cathode Dot on End Cap (1) At maximum end cap temperature=110°C for US suffix types. Derate at 4.6mA/°C above end cap temperature=110°C. Derate axial types at 3.0mA/°C above ambient temperature temperature=25°C. (2) Test Pulse = 8.3ms, half sine wave (3) IF= IR =10mA & I(REC)=1.0mA Microsemi Santa Ana• 2830 S. Fairview Street • Santa Ana, California 92704 • Tel: (714) 979-8220 DATA SHEET #: MSC0133A REVISED: 1/25/96