CH461FPT CHENMKO | Alldatasheet
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CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER DIODE VOLTAGE 25 Volts CURRENT 0.7 Ampere ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) NOTES : 2002-5 Maximum Average Reverse Current at VR= 20V CHARACTERISTICS SYMBOL UNITS 0.49 200 uAmps VoltsMaximum Instantaneous Forward Voltage at IF= 700mA MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current at 8.3 mSec single half sine-wave Typical Junction Capacitance between Terminal (Note 1) Storage Temperature Range Maximum Operating Temperature Range SYMBOL VRRM VRMS VDC IO CJ TJ VF IR TSTG IFSM CH461FPT UNITS Volts Volts Volts Amps 0.7 3.0 +125 -40 to +125 Amps pF oC oC 1. Measured at 1.0 MHZ and applied reverse voltage of 10.0 volts. 2. ESD sensitive product handling required. APPLICATION * Low power rectification for switching power supply FEATURE * Small surface mounting type. (SC-70/SOT-323) * Ultra low VF. (VF=0.45V Typ. at 0.7A) * IF=0.7A guaranteed desite the size CONSTRUCTION CIRCUIT * Silicon epitaxial planar SC-70/SOT-323 MARKING * 3F (1)(2) (3) CH461FPT Dimensions in millimeters SC-70/SOT-323 (1) (2) (3) 0.65 0.65 1.3±0.1 2.0±0.2 0.8~1.1 0.3±0.1 0.05~0.2 0~0.1 1.25±0.1 2.0~2.45 0.1Min.
RATING CHARACTERISTIC CURVES ( CH461FPT ) 0.1m 100m 10m 0.1u 100u 10u 1000 100 1000 100 10000 f=1MHz 0.2 0.1 0.3 0.4 0.5 0.6 D=0.05 D=0.1 D=0.2 D=0.3 D=0.5 D=0.8 DC sine Tp T D=Tp/T Tj=Tj Max. IF IO 1.0 0.8 0.6 0.4 0.2 D=0.3 D=0.2 D=0.1 D=0.05 DC D=0.5 D=0.8 sine Tp T IF IO FORWARD CURRENT, (A) FORWARD VOLTAGE, (V) FIG. 1 - FORWARD CHARACTERISTICS Ta=125 o C o C o C -25 o C REVERSE CURRENT, (mA) REVERSE VOLTAGE, (V) FIG. 2 - REVERSE CHARACTERISTICS Ta=125oC 75oC 25oC 0 10 20 30 40 50 60 70 -25oC REVERSE VOLTAGE, (V) 0 5 10 15 20 25 30 35 40 0 25 50 75 100 125 VR=VRM/2 D=Tp/T JUNCTION CAPACITANCE , (pF) FIG. 3 - TYPICAL JUNCTION CAPACITANCE FORWARD POWER DISSIPATION, (W) AVERAGE FORWARD CURRENT, (A) AMBIENT TEMPERATURE, (oC) FIG. 5 - DERATING CURVE BY AMBIENT ( ON GLASS EPOXY PCBS ) AVERAGE FORWARD CURRENT, (A) FIG. 4 - FORWARD POWER DISSIPATION CHARACTERISTICS