CHENMKO ENTERPRISE CO.,LTD CH471EPT SURFACE MOUNT SCHOTTKY BARRIER DIODE VOLTAGE 40 Volts CURRENT 0.1 Ampere APPLICATION * Low power rectification SC-74A FEATURE * Small surface mounting type. (SC-74A) * Low VF. (VF=0.45V Typ. at 100mA) * High reliability (1) (5) 0.95 1.7~2.1 2.7~3.1 0.95 CONSTRUCTION (2) * Silicon epitaxial planar (3) 0.25~0.5 1.4~1.8 MARKING * E1 0.935~1.3 0.08~0.2 0~0.15 0.3~0.6 (5) CIRCUIT (4) (1) (3) 2.6~3.0 (2) Dimensions in millimeters SC-74A MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL CH471EPT UNITS Maximum Recurrent Peak Reverse Voltage VRRM 40 Volts Maximum RMS Voltage VRMS 28 Volts Maximum DC Blocking Voltage VDC 40 Volts IO 0.1 Amps Maximum Average Forward Rectified Current Peak Forward Surge Current at 8.3 mSec single half sine-wave IFSM 1.0 Amps Typical Junction Capacitance between Terminal (Note 1) CJ 6.0 pF Maximum Operating Temperature Range TJ +125 o C TSTG -40 to +125 o C Storage Temperature Range ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL CH471EPT UNITS Maximum Instantaneous Forward Voltage at IF(1)= 10mA VF(1) 0.34 Volts Maximum Instantaneous Forward Voltage at IF(2)= 100mA VF(2) 0.55 Volts IR 30 uAmps Maximum Average Reverse Current at VR= 10V NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 10.0 volts. 2. ESD sensitive product handling required. 1-55 2002-5 RATING CHARACTERISTIC CURVES ( CH471EPT ) FIG. 1 - FORWARD CHARACTERISTICS FIG. 2 - REVERSE CHARACTERISTICS 10m Typ. pulse measurement 100m 12 -25 o C 25 o C o 75 Ta = 1m C 5 o C 10m 0.7 100u REVERSE CURRENT, (A) FORWARD CURRENT, (A) 1 1m 100n o 75 C 10n o 25 C 1n 0.1n 10u 0 0.1 0.2 0.3 0.4 0.5 0.6 0 0.7 5 FORWARD VOLTAGE, (V) AVERAGE FORWARD CURRENT, (%) 100 10 1 0.1 0 5 10 15 10 15 20 25 30 35 REVERSE VOLTAGE, (V) FIG. 3 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) Typ. pulse measurement o Ta=125 C 20 FIG. 4 - TYPICAL FORWARD CURRENT DERATING CURVE 120 100 80 60 40 20 0 0 25 25 50 75 100 125 o AMBIENT TEMPERATURE, ( C) REVERSE VOLTAGE, (V) 1-56 150