CHENMKO ENTERPRISE CO.,LTD CH521S-30PT SURFACE MOUNT SCHOTTKY BARRIER DIODE VOLTAGE 30 Volts CURRENT 0.2 Ampere APPLICATION * Low current rectification and high speed switching SC-79/SOD-523 FEATURE * Extremely small surface mounting type. (SC-79/SOD-523) * Io=200mA guaranteed despite size * Low VF. (VF=0.40V Typ. at 200mA) Cathode (1) (2) 0.25~0.35 CONSTRUCTION 0.75~0.85 1.1~1.3 * Silicon epitaxial planar MARKING *C 0.5~0.77 0.07~0.17 CIRCUIT 1.5~1.7 (2) Dimensions in millimeters (1) SC-79/SOD-523 MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL CH521S-30PT UNITS Maximum Recurrent Peak Reverse Voltage VRRM 30 Volts Maximum RMS Voltage VRMS 21 Volts Maximum DC Blocking Voltage VDC 30 Volts IO 0.2 Amps IFSM 1.0 Amps pF Maximum Average Forward Rectified Current Peak Forward Surge Current at 8.3 mSec single half sine-wave Typical Junction Capacitance between Terminal (Note 1) CJ 14 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 CH521S-30PT UNITS Maximum Instantaneous Forward Voltage at IF= 200mA VF 0.50 Volts Maximum Average Reverse Current at VR= 10V IR 30.0 uAmps NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 1.0 volts. 2. ESD sensitive product handling required. 2002-5 RATING CHARACTERISTIC CURVES ( CH521S-30PT ) FIG. 2 - REVERSE CHARACTERISTICS FIG. 1 - FORWARD CHARACTERISTICS 1 10m 100m 1m o 2 =1 Ta 1m 5 C o 75 C o 25 REVERSE CURRENT, (A) 10m C -25 o C FORWARD CURRENT, (A) o Ta=125 C 100u 10u 1u o 75 C 100u o 25 C 10u 1u o -25 C 100n 10n 0 0.1 0.2 0.3 0.4 0.5 0 0.6 10 FIG. 3 - TYPICAL JUNCTION CAPACITANCE Ta =25oC f=1MHz 50 AVERAGE FORWARD CURRENT, (%) JUNCTION CAPACITANCE , (pF) 100 20 10 5 2 1 0 2 4 6 8 10 REVERSE VOLTAGE, (V) 20 30 REVERSE VOLTAGE, (V) FORWARD VOLTAGE, (V) 12 14 FIG. 4 - TYPICAL FORWARD CURRENT DERATING CURVE 120 100 80 60 40 20 0 0 25 50 75 100 125 o AMBIENT TEMPERATURE, ( C) 150