SMD Switching Diodes CDST-19-G/20-G - High Speed RoHS Device + Features SOT-23 - Fast switching diode. - Surface mount package ideally for automatic insertion. - For general purpose switching applications. - High conductance. 0.119 (3.00) 0.110 (2.80) 3 0.056 (1.40) 0.047 (1.20) 1 2 0.083 (2.10) 0.066 (1.70) Mechanical data 0.006 (0.15) 0.003 (0.08) - Case: SOT-23 0.041 (1.05) 0.035 (0.90) - Terminals: Solder plated, solderable per MIL-STD-750, Method 2026. 0.103 (2.60) 0.086 (2.20) - Weight: 0.008 gram. 0.006 (0.15) max 0.020 (0.50) 0.012 (0.30) 0.007 (0.20) min Circuit Diagram 3 Dimensions in inches and (millimeters) 1 2 Maximum Rating (at Ta=25°C unless otherwise noted) Symbol CDST-19-G CDST-20-G Unit Non-Repetitive peak reverse voltage VRM 100 150 V DC blocking voltage VR 100 150 V Average rectified output current IO 200 mA Power dissipation PD 250 mW RθJA 500 TJ 150 O -65 ~ +150 O Parameter Thermal resistance-Junction to ambient air Junction temperature Storage temperature range TSTG O C/W C C Electrical Characteristics (at TA=25°C unless otherwise noted) Symbol Parameter Test Conditions Min Max 100 150 Unit Reverse breakdown voltage CDST-19-G CDST-20-G VBR IR=100uA Reverse leakage current CDST-19-G CDST-20-G IR VR=100V VR=150V 0.1 UA Forward voltage VF IF=100mA IF=200mA 1 1.25 V Junction capacitance CJ VR=0V, f=1MHZ 5 pF Reverse recovery time trr IF=IR=30mA, Irr=0.1XIR 50 nS V Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 1 QW-B0021 Comchip Technology CO., LTD. SMD Switching Diodes Characteristic Curves (CDST-19-G/20-G) Fig.1 - Forward Characteristics Fig.2 - Leakage Current vs Junction Temperature 1000 100 O IR, Leakage Current (uA) IF, Forward Current (mA) TJ=25 C 100 10 1 0.1 0.01 10 1 0.1 0.01 0 1 VF, Forward Voltage (V) 2 0 100 TJ, Junction Temperature (°C) Company reserves the right to improve product design , functions and reliability without notice. 200 REV:B Page 2 QW-B0021 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:B Page 3 QW-B0021 Comchip Technology CO., LTD. SMD Switching Diodes Marking Code 3 Part Number Marking Code CDST-19-G JP CDST-20-G JR XX 1 2 xx = Product type marking code Suggested PAD Layout E SOT-23 SIZE (mm) (inch) A 0.80 0.031 B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 A C D B E 0.80 0.031 Standard Packaging REEL PACK Case Type SOT-23 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 4 QW-B0021 Comchip Technology CO., LTD.