SMD Switching Diode CDST-2004S-HF RoHS Device Halogen Free Features SOT-23 - Design for mounting on small surface. 0.119 (3.00) 0.110 (2.80) - High speed switching. 3 - High mounting capability, strong surge withstand, high reliability. 0.056 (1.40) 0.047 (1.20) 1 2 0.079 (2.00) Mechanical data 0.071 (1.80) 0.006 (0.15) - Case: SOT-23 0.003 (0.08) - Terminals: Solder plated, solderable per MIL-STD-750, Method 2026. 0.041 (1.05) 0.100 (2.55) 0.035 (0.90) 0.089 (2.25) - Weight: 0.0078 grams(approx.). 0.004 (0.10) max 0.020 (0.50) Circuit Diagram 0.020 (0.50) 0.012 (0.30) 0.012 (0.30) 3 1 Maximum Rating Dimensions in inches and (millimeters) 2 (at TA=25°C unless otherwise noted) Symbol Limits Unit Peak repetitive peak reverse voltage VRRM 300 V Working peak reverse voltage VRWM 240 V DC blocking voltage VR 240 V RMS reverse voltage VR(RMS) 170 V Parameter Forward continuous current IFM 225 mA Peak repetitive forward current IFRM 625 mA IFSM 4.0 1.0 A PD 350 mW RθJA 357 °C/W TJ , TSTG -65 to +150 °C Peak forward surge current @t=1.0us @t=1.0s Power dissipation Thermal resistance, junction to ambient Operating junction temperature Electrical Characteristics Parameter Reverse breakdown voltage (at TA=25°C unless otherwise noted) Symbol VBR Test Conditions IR=100μA Min Max 300 Unit V Reverse leakage current IR VR=240V VR=240V , Tj = 150°C 100 nA μA Forward voltage VF IF=20mA IF=100mA 0.87 1.0 V Diode capacitance CT VR=0V, f=1MHz 5.0 pF trr IF = IR = 30mA, Irr = 3.0mA, RL = 100Ω 50 ns Reverse recovery time Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 1 QW-J0007 Comchip Technology CO., LTD. SMD Switching Diode Electrical and Characteristic Curves (CDST-2004S-HF) Fig.1- Power Derating Fig.2- Typical Forward Characteristics 300 Instantaneous Forward Current, (mA) 1000 Forward Current, (mA) 250 200 150 100 50 0 Ta=150°C 10 1.0 0.1 0.01 0 25 50 75 100 125 0 150 0.4 0.8 1.2 1.6 2.0 Instantaneous Forward Voltage, (V) Ambient temperature, (°C) Fig.4- Typical Reverse Current Characteristics Fig.3- Typical Diode Capacitance Characteristics 100 2.0 10.0 Reverse Current, (uA) CT, Diode Capacitance, (pF) Ta=25°C 100 1.5 1.0 0.5 0 0.01 Ta=150°C Ta=125°C 1.0 Ta=100°C Ta=75°C 0.1 Ta=50°C Ta=25°C 0.01 0 0.1 1.0 10 0 Reverse Voltage, (V) 40 80 120 160 200 240 Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 2 QW-J0007 Comchip Technology CO., LTD. SMD Switching Diodes Reel Taping Specification P1 XXX B F E d P0 12 o 0 D2 D1 D W1 SOT-23 SOT-23 SYMBOL A B C d D D1 D2 (mm) 3.15 ± 0.10 2.77 ± 0.10 1.22 ± 0.10 1.50 + 0.10 178 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.124 ± 0.004 0.109 ± 0.004 0.048 ± 0.004 0.059 + 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 12.30 ± 1.0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 3 QW-J0007 Comchip Technology CO., LTD. SMD Switching Diode Marking Code 3 Part Number Marking Code CDST-2004S-HF S6 S6 1 2 Suggested PAD Layout SOT-23 SIZE A (mm) (inch) 0.80 0.031 A C B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 D B Standard Packaging Qty per Reel Reel Size (Pcs) (inch) 3,000 7 Case Type SOT-23 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-J0007 Comchip Technology CO., LTD.