CDST-70-HF

Small Signal Switching Diodes CDST-99-HF/70-HF/56-HF Reverse Voltage: 70 Volts Forward Current: 200 mA RoHS Device Features Halogen free. Design for mounting on small surface. High speed switching. High mounting capability, strong surge withstand, high reliability. SOT-23 0.119(3.00) 0.110(2.80) 3 0.056(1.40) 0.047(1.20) Mechanical data Case: SOT-23, molded plastic. Terminals: solderable per MIL-STD-750, method 2026. Approx. weight: 0.0078 grams 0.041(1.05) 0.035(0.90) 1 0.079(2.00) 0.071(1.80) 2 0.006(0.15) 0.002(0.05) 0.100(2.55) 0.089(2.25) Circuit diagram 3 3 3 0.020(0.50) 0.012(0.30) 0.008(0.20) min 0.004(0.10) max 1 2 1 2 1 2 Dimensions in inches and (millimeter) CDST-99-HF Marking Code: A7 CDST-70-HF Marking Code: A4 CDST-56-HF Marking Code: A1 Maximum Ratings (at Ta=25°C unless otherwise noted) Parameter Reverse voltage Forward current Peak surge forward current Power dissipation Thermal resistance, junction to ambient Maximum junction temperature Storage temperature Symbol VR IF IFSM PD RθJA TJ TSTG Value 70 200 500 225 556 150 -55 to +150 Units V mA mA mW °C/W °C °C Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Reverse breakdown voltage Symbol VBR Conditions IR=100μA @IF=1mA @IF=10mA @IF=50mA @IF=150mA @VR=70V IF=IR=10mA, Irr=0.1×IR, RL=100Ω VR=0V, f=1.0MHz Min. 70 0.715 0.855 1.0 1.25 2.5 6 1.5 Max. Units V Forward voltage VF V Reverse current Reverse recovery time Diode capacitance IR trr CT μA nS pF REV:A QW-J0002 Page 1 Comchip Technology CO., LTD. Small Signal Switching Diodes RATING AND CHARACTERISTIC CURVES (CDST-99-HF/70-HF/56-HF) Fig.1 Forward Characteristics 1000 10μ Fig.2 Reverse Characteristics 1μ TA=125°C Forward Current (mA) TA=150°C TA=-40°C TA=75°C Reverse Current (A) 100 100n TA=75°C 10 TA=0°C 10n TA=25°C TA=0°C 1 TA=25°C 1n TA=-40°C 0.1 0 0.5 1.0 1.5 0.1n 0 20 40 60 80 100 Forward Voltage (V) Reverse Voltage (V) Fig.3 Capacitance Between Terminals Characteristics 2 400 TJ=25°C f=1MHz Fig.4 Power Derating Curve Capacitance Between Teminals (pF) Mounted on glass epoxy PCBs Power Dissipation (mW) 300 1 200 100 0 0 10 20 30 40 50 0 0 25 50 75 100 125 150 175 Reverse Voltage (V) O Ambient Temperature ( C) REV:A QW-J0002 Page 2 Comchip Technology CO., LTD. Small Signal Switching Diodes Reel Taping Specification P0 P1 d Index hole E T F B P A W C 12 0 o D2 D1 D W1 Trailer ....... ....... 10 pitches (min) Device ....... ....... ....... ....... Leader ....... ....... 10 pitches (min) End Start Direction of Feed SYMBOL A 3.10 ± 0.10 0.122 ± 0.004 B 2.85 ± 0.10 0.112 ± 0.004 C 1.40 ± 0.10 0.055 ± 0.004 d 1.55 ± 0.10 0.061 ± 0.004 D 178 ± 1 7.008 ± 0.04 D1 50.0 MIN. 1.969 MIN. D2 13.0 ± 0.20 0.512 ± 0.008 SOT-23 (mm) (inch) SYMBOL E 1.75 ± 0.10 0.069 ± 0.004 F 3.50 ± 0.05 0.138 ± 0.002 P 4.00 ± 0.10 0.157 ± 0.004 P0 4.00 ± 0.10 0.157 ± 0.004 P1 2.00 ± 0.05 0.079 ± 0.002 W 8.00 ± 0.30 0.315 ± 0.012 W1 14.4 MAX. 0.567 MAX. SOT-23 (mm) (inch) REV:A QW-J0002 Page 3 Comchip Technology CO., LTD. Small Signal Switching Diodes Marking Code 3 Part Number CDST-99-HF CDST-70-HF CDST-56-HF Marking Code A7 A4 A1 XX 1 2 xx = Product type marking code Suggested PAD Layout SOT-23 SIZE (mm) A B C D 0.80 1.90 2.02 2.82 (inch) 0.031 C D A 0.075 0.080 0.111 B Standard Package Qty per Reel Case Type (Pcs) SOT-23 3000 Reel Size (inch) 7 REV:A QW-J0002 Page 4 Comchip Technology CO., LTD.