CHENMKO ENTERPRISE CO.,LTD CH025S-40PT SURFACE MOUNT SCHOTTKY BARRIER DIODE VOLTAGE 40 Volts CURRENT 0.25 Ampere APPLICATION * High speed switching SC-79/SOD-523 FEATURE * Small surface mounting type. (SC-79/SOD-523) * Low VF and low IR Cathode * High speed. (TRR=10nSec Typ.) (1) (2) 0.25~0.35 0.75~0.85 CONSTRUCTION * Silicon epitaxial planar 1.1~1.3 MARKING * H 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 ) SYMBOL CH025S-40PT UNITS Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 40 Volts Maximum RMS Voltage VRMS 28 Volts Maximum DC Blocking Voltage VDC 40 Volts IFM 0.25 Amps IFSM 1.0 Amps Maximum Average Forward Rectified Current Peak Forward Surge Current at 1.0 Sec single half sine-wave Typical Junction Capacitance between Terminal (Note 1) CJ 50 pF Power Dissipation Pd 150 mW Maximum Operating Storage Temperature Range Tj,TSTG -40 to +125 o C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage Maximum Average Reverse Current SYMBOL CH025S-40PT UNITS @IF=20mA @IF=200mA VF 370 600 mVolts @VR=10V @VR=30V IR 1.0 5.0 NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 0 volts. 2. Device mounted on FR-4 by 1 inch X 0.85 inch X 0.062 inch 3. ESD sensitive product handling required. uAmps 2004-06 RATING CHARACTERISTIC CURVES (CH025S-40PT) FIG. 2 - FORWARD CHARACTERISTICS FIG. 1 - TYPICAL POWER DERATING CURVE FORWARD CURRENT, (mA) Pd,POWER DISSIPATION(mW) 1A 150 75 Ta=125oC Ta=75oC Ta=25oC 10 1 100u 10u 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE, (oC) 1m 100u Ta=125oC 10u 75oC 1u 25oC 100 10 0 10 20 30 REVERSE VOLTAGE, (V) 0 0.2 0.4 0.6 FORWARD VOLTAGE, (V) FIG. 3 - REVERSE CHARACTERISTICS REVERSE CURRENT, (nA) 100 40 0.8