SMD Switching Diode CDSW21-G High Speed RoHS Device SOD-123 Features 0.152(3.85) 0.140(3.55) -Fast Switching Speed -Surface Mount Package Ideally Suited for Automatic Insertion -For General Purpose Switching Applications 0.026(0.65) 0.018(0.45) 0.067(1.70) 0.059(1.50) -Qualified according AEC-Q101 0.110(2.80) 0.102(2.60) Mechanical data -Case: SOD-123, Molded Plastic 0.049(1.25) 0.041(1.05) -Terminals: Solderable per MIL-STD-202, Method 208 0.006 (0.15) 0.003 (0.08) 0.004(0.10) Max. -Weight: 0.01 gram(approx.). 0.020 (0.50) REF Dimensions in inches and (millimeter) Maximum Rating (at Ta=25°C unless otherwise noted) Symbol Parameter Value Unit Non-Repetitive peak reverse voltage VRM 250 V Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage VRRM VRWM VR 200 V VR(RMS) 141 V IFM 400 mA Io 200 mA IFSM 2.5 0.5 A IFRM 625 mA PD 250 RMS reverse voltage Forward continuous current Average rectified output current Peak forward surge current @1.0mS @1.0S Repetitive peak forward current Power dissipation Thermal Resistance (Junction to ambient) R Storage temperature TSTG JA mW O C/W 500 -65 ~ +150 O C Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Conditions Symbol Min Typ Max Unit Forward voltage IF = 0.1 A IF = 0.2 A VF 1.0 1.25 V Reverse current VR=200 V IR 0.1 uA Capacitance between terminals f = 1 MHZ, VR=0V CT 5 PF Reverse recovery time IF = IR=30 mA, RL =100 Ω, Irr = 0.1 X IR tRR 50 nS Company reserves the right to improve product design , functions and reliability without notice. QW-B0055 REV:A Page 1 SMD Switching Diode Typical Characteristics (CDSW21-G) Fig.2 - Typical Reverse Characteristics 1 0.1 TA=25 OC 0.01 TA=75 OC OO TA=75 =-40 CC O TA=125 C O TA=150 C 0.001 0 0.2 O TA=0 C 0.4 0.6 0.8 1.0 1.2 1.4 I R ,Ins tant ane ous R eve r se Cur rent (µA ) IF , I nst a nt aneous For w ar d C ur ren t (A ) Fig.1 - Forward Characteristics TA=150 OC TA=125 OC 10 O 1 TA=75 C 0.1 TA=25 C O O TA=0 C 0.01 TTAA=-40 =75 OOC C 0.001 0.0001 0 50 100 150 200 250 VF, Instantaneous Forward Voltage (V) VR, Instantaneous Reverse Voltage (V) Fig.3 - Power Derating Curve Fig.4 - Typical Capacitance V.S. Reverse Voltage 4.0 ( F) CT , Tot al Capaci t a nce p 300 P D , Power Dissipation, (mW) 100 250 200 150 100 3.5 3.0 2.5 2.0 1.5 1.0 50 0.5 0 0 25 50 75 100 125 TA, Ambient Temperature (°C) 150 0 0 10 Company reserves the right to improve product design , functions and reliability without notice. QW-B0055 20 30 40 VR, Reverse Voltage (V) REV:A Page 2 SMD Schottky Barrier Diodes Reel Taping Specification T XX C 12 o 0 D2 D1 D W1 SOD-123 SOD-123 SYMBOL A B C d D D1 D2 (mm) 1.85 ± 0.05 3.94 ± 0.05 1.57 ± 0.05 1.55 ± 0.10 178 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.073 ± 0.002 0.155 ± 0.002 0.062 ± 0.002 0.061 ± 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-B0055 Comchip Technology CO., LTD. SMD Zener Diode Marking Code Part Number Marking Code CDSW21-G T3 XX Suggested PAD Layout SOD-123 SIZE (mm) (inch) A 3.24 0.128 B 0.80 0.031 C 1.00 0.039 D 4.04 0.159 E 2.44 0.096 D A E C B Standard Packaging REEL PACK Case Type SOD-123 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-B0055 Comchip Technology CO., LTD.