CHENMKO ENTERPRISE CO.,LTD CH781UPT SURFACE MOUNT SCHOTTKY DIODE ARRAY VOLTAGE 40 Volts CURRENT 175 mAmperes APPLICATION * Ultra high speed switching FEATURE * Small surface mounting type. (SC-88/SOT-363) * High speed. (TRR=8.0nSec Typ.) * Suitable for high packing density. SC-88/SOT-363 * Maximum total power disspation is 200mW. *. Peak forward surge current is 1.0A. (1) * Schottky diode array . CONSTRUCTION (6) 0.65 1.2~1.4 2.0~2.2 0.65 * PN junction guard ring protection (4) 0.15~0.35 (3) 1.15~1.35 WEIGHT * 0.008 grams ( Approx.) MARKING * JF 0.8~1.1 0.08~0.15 0~0.1 0.1 Min. CIRCUIT (6) (4) (1) (3) 2.15~2.45 Dimensions in millimeters RATINGS SC-88/SOT-363 SYMBOL CH781UPT UNITS Maximum Recurrent Peak Reverse Voltage VRRM 40 Volts Maximum RMS Voltage VRMS 28 Volts Maximum DC Blocking Voltage VDC 40 Volts Maximum Forward Continous Current (Note 1) IFM 350 mAmps Maximum Average Forward Rectified Current IO 175 mAmps Non-Repetitive Peak Forward Surge Current at t<1mSec. IFSM 1.0 Amps Typical Junction Capacitance between Terminal (Note 2) CJ 50.0 pF Typical Reverse Recovery Time (Note 3) TRR 10.0 nSec Typical Thermal Resistance RθJ-A 500 o TJ -55 to +125 o C TSTG -55 to +125 o C Maximum Operating Temperature Range Storage Temperature Range C/W o ELECTRICAL CHARACTERISTICS ( At TA = 25 C unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage Maximum Average Reverse Current SYMBOL @IF= 1mA @IF= 5mA @IF= 20mA @IF= 100mA @VR= 10V @VR= 30V VF IR CH781UPT 0.30 0.35 0.37 0.50 2.0 5.0 NOTES : 1. The maximum rating of single diode ( D1 or D2 or D3 ). the maximum rating per diode are 75% of the ratings for single diode operation as using two or three diodes. 2. Measured at 1.0 MHZ and applied reverse voltage of 0.0 volts. 3. Measured at applied froward current of 200mA and reverse current of 200mA @IRR=0.1IR. 4. ESD sensitive product handling required. UNITS mVolts uAmps 2003-04 RATING CHARACTERISTIC CURVES ( CH781UPT ) FIG. 2 - REVERSE CHARACTERISTICS FIG. 1 - FORWARD CHARACTERISTICS 100m 1 o C 12 o 5C 25 REVERSE CURRENT, (A) C Ta = 10m -25 o C FORWARD CURRENT, (A) o 75 100m 1m 100u 10m o 100 C 1m o 75 C o 50 C 100u 10u o 25 C 1u 10u 0 0.2 0.4 0.6 0.8 1.0 0 1.2 10 JUNCTION CAPACITANCE , (pF) AVERAGE FORWARD CURRENT, (%) FIG. 3 - TYPICAL JUNCTION CAPACITANCE 10 Ta =25oC f=1MHz 50 20 10 5 2 1 0 5 10 15 20 25 REVERSE VOLTAGE, (V) 20 30 REVERSE VOLTAGE, (V) FORWARD VOLTAGE, (V) 30 35 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