CHENMKO ENTERPRISE CO.,LTD 1N4148PT SURFACE MOUNT SWITCHING DIODE VOLTAGE 75 Volts CURRENT 0.15 Ampere APPLICATION * Ultra high speed switching DO-35 FEATURE * Small surface mounting type. (DO-35) * High speed. (TRR=4.0nSec Typ.) * Suitable for high packing density. .022 (0.56) DIA. .018 (0.46) * Maximum total power disspation is 500mW. * Peak forward current is 500mA. 1.02 (26.0) MIN. CONSTRUCTION * Silicon epitaxial planar .165 (4.2) MAX. .079 (2.0) MAX. DIA. 1.02 (26.0) MIN. CIRCUIT Dimensions in inches and (millimeters) DO-35 MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL Maximum Non-Repetitive Peak Reverse Voltage Maximum Repetitive Peak Reverse Voltage Maximum Working Peak Reverse Voltage Maximum DC Blocking Voltage Maximum DC Blocking VoltageMaximum RMS Voltage @1Sec @1.0uSec UNITS 100 Volts VRRM VRWM VR 75 Volts VDC 53 Volts IO 0.15 Amps Maximum Average Forward Rectified Current Peak Forward Surge Current at 1uSec. 1N4148PT VRM IFSM 1.0 2.0 Amps Typical Junction Capacitance between Terminal (Note 1) CJ 4.0 pF Maximum Reverse Recovery Time (Note 2) trr 4.0 nSec 350 o Maximum Thermal Resistance (Note 4) R Maximum Operating and Storage Temperaturd Range JA TJ,TSTG -65 to +175 C/W o C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage at IF= 10 mA Maximum Average Reverse Current NOTES : 1. 2. 3. 4. VR= 20V @TJ=25ooC VR= 75V @TJ=25 C VR= 20V @TJ=150ooC VR= 70V @TJ=150 C 1N4148PT UNITS VF 1.0 Volts IR 5.0 25 30 50 uAmps Measured at 1.0 MHZ and applied reverse voltage of 0 volts. Measured at applied froward current of 10 mA, reverse current of 1.0 mA, Reverse voltage of 6.0 volts and RL= 100 ohms. ESD sensitive product handling required. Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. 2001-6 RATING CHARACTERISTIC CURVES ( 1N4148PT ) FIG. 1 - FORWARD CHARACTERISTICS FIG. 2 - REVERSE CHARACTERISTICS 1m REVERSE CURRENT, (A) FORWARD CURRENT, (A) 1 Ta=125ooC 75oC 25oC -25 C 100m 10m 1m 100u 10u Ta=125oC 1u 75oC 100n 25oC 10n 1n 10u 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 80 100 120 FIG. 4 - REVERSE RECOVERY TIME CHARATERISTICS REVERSE RECOVERY TIME, (nS) 1 0.5 0.2 0.1 2 4 6 8 10 12 14 6 IR=1mA VR=6V IRR=1/10IR 4 2 0 0 10 REVERSE VOLTAGE, (V) PEAK FORWARD SURGE CURRENT, (A) 60 FIG. 3 - TYPICAL JUNCTION CAPACITANCE 2 20 30 FORWARD CURRENT, (mA) FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 10.0 40 REVERSE VOLTAGE, (V) 5 0 20 FORWARD VOLTAGE, (V) 10 JUNCTION CAPACITANCE, (pF) 0.1m FIG. 6 - REVERSE RECOVERY TIME MEASUREMENT CIRCUIT 0.01µF D.U.T. PULSE Single pulse 5.0 5 2.0 PULSE GENERATOR OUTPUT 50 1.0 0.5 0.2 0.1 0.1 1 10 100 PULSE WIDTH, (Sec) 1000 10000 100 SAMPLING OSCILLOSCOPE