CHENMKO ENTERPRISE CO.,LTD CH145SDWPT SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE 45 Volts CURRENT 100 mAmpere APPLICATION * Ultra high speed switching SC-74/SOT-457 FEATURE * Small surface mounting type. (SC-74/SOT-457) * High speed. (TRR=10nSec Typ.) * Suitable for high packing density. (1) (6) * Maximum total power disspation is 225mW. 0.95 1.7~2.1 2.7~3.1 0.95 CONSTRUCTION (3) * Silicon epitaxial planar (4) 0.25~0.5 1.4~1.8 MARKING * DM2 0.935~1.3 0.08~0.2 0~0.15 0.3~0.6 CIRCUIT 6 4 1 3 2.6~3.0 Dimensions in millimeters SC-74/SOT-457 MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL CH145SDWPT UNITS Maximum Non-Repetitive Peak Reverse Voltage VRM 45 Volts Maximum RMS Voltage VRMS 32 Volts VRRM, VDC 45 Volts Forward Continuous Current IFM 100 mAmps Non-Repetitive Peak Forward Surge Current at 8.3mSec IFSM 1.0 Amps Typical Junction Capacitance between Terminal (Note 1) CJ 6.0 pF 225 mW 444 o Maximum Repetitive Peak Reverse and DC Blocking Voltage Total Power Disspation Pd Thermal Resistance Junction to Ambient (Note 2) R Maximum Operating and Storage Temperature Range JA TJ,TSTG -65 to +125 C/W o C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL CH145SDWPT UNITS Maximum Instantaneous Forward Voltage at 10mA VF 450 mVolts Maximum Average Reverse Current at 10V IR 1.0 uAmps 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. 2004-06 RATING CHARACTERISTIC CURVES ( CH145SDWPT) FIG. 2 - FORWARD CHARACTERISTICS FIG. 1 - TYPICAL POWER DERATING CURVE 100 FORWARD CURRENT, (mA) Pd,POWER DISSIPATION(mW) 250 200 150 100 50 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE, (oC) REVERSE CURRENT, (nA) 1m Ta=125oC 10u 75oC 1u 25oC 100 10 0 10 20 30 REVERSE VOLTAGE, (V) 1 .1m 0 0.2 0.4 0.6 FORWARD VOLTAGE, (V) FIG. 3 - REVERSE CHARACTERISTICS 100u Ta=125oC Ta=75oC Ta=25oC 10 40 0.8 1.0