CHENMKO ENTERPRISE CO.,LTD CH551S-30PT SURFACE MOUNT SCHOTTKY BARRIER DIODE VOLTAGE 30 Volts CURRENT 0.5 Ampere APPLICATION * * * * * Ultra high-speed switching Voltage clamping Protection circuit Low current rectification Low power consumption applications SC-79/SOD-523 FEATURE Cathode * Small surface mounting type. (SC-79/SOD-523) * Ultra low VF. (VF=0.41V Typ. at 0.5A) * High reliability (1) (2) 0.25~0.35 CONSTRUCTION 0.75~0.85 1.1~1.3 * Silicon epitaxial planar MARKING *K 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 CH551S-30PT UNITS Maximum Recurrent Peak Reverse Voltage VRRM 30 Volts Maximum RMS Voltage VRMS 21 Volts Maximum DC Blocking Voltage VDC 20 Volts IO 0.5 Amps Maximum Average Forward Rectified Current Peak Forward Surge Current at 8.3 mSec single half sine-wave IFSM 2.0 Amps Typical Junction Capacitance between Terminal (Note 1) CJ 15 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 CH551S-30PT UNITS Maximum Instantaneous Forward Voltage at IF(1)= 100mA VF(1) 0.36 Volts Maximum Instantaneous Forward Voltage at IF(2)= 500mA VF(2) 0.47 Volts IR 100 uAmps Maximum Average Reverse Current at VR= 20V NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 10.0 volts. 2. ESD sensitive product handling required. 2004-9 RATING CHARACTERISTIC CURVES ( CH551S-30PT ) FIG. 2 - REVERSE CHARACTERISTICS FIG. 1 - FORWARD CHARACTERISTICS 100m REVERSE CURRENT, (A) FORWARD CURRENT, (A) 10A 1A 100m 10m o Ta=125 C 75oC 25oC o -25 C 1m 100u 0.0 o Ta=125 C 10m 1m o 75 C 100u o 25 C 10u o -25 C 1u 100n 0.1 0.2 0.3 0.4 0 0.5 10 FORWARD VOLTAGE, (V) FIG. 3 - TYPICAL JUNCTION CAPACITANCE AVERAGE FORWARD CURRENT, (A) JUCTION CAPACITANCE (pF) 1000 100 10 1 0 10 20 30 REVERSE VOLTAGE, (V) 20 30 40 REVERSE VOLTAGE, (V) 40 FIG. 4 - TYPICAL FORWARD CURRENT DERATING CURVE 1.0 0.5 0 0 25 50 75 100 CASE TEMPERATURE, (oC) 125 150