SMD ESD Protection Diode CPDQC3V3T-HF RoHS Device Halogen Free 0402C/SOD-923F Features 0.041(1.05) - Bi-directional ESD protection. 0.037(0.95) - IEC 61000-4-2 30 kV(Contact). - ESD Rating of Class 3 per Human Body Model. 0.026(0.65) 0.022(0.55) - ESD Rating of Class 4 per Machine Model. - Surface mount package. - Ultra small SMD package:0402 0.022(0.55) 0.018(0.45) - High component density. 0.012(0.30) 0.001(0.02) 0.008(0.20) Max. Mechanical data - Case: 0402C/SOD-923F Standard package, molded plastic. 0.022(0.55) 0.018(0.45) - Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Dimensions in inches and (millimeter) - Mounting position: Any. - Weight: 0.001 grams(approx.). Circuit diagram Maximum Rating (at TA=25C unless otherwise noted) Symbol Parameter Conditions Value Unit Peak pulse power TP = 8/20us PPP 180 W Peak pulse current TP = 8/20us IPP 17 A IEC 61000-4-2(air) ESD 30 ESD capability kV IEC 61000-4-2(contact) ESD 30 Operation temperature range Tj -40~+125 C Storage temperature range TSTG -55~+150 C Electrical Characteristics (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit Working peak reverse voltage VRWM 3.3 V Breakdown voltage IT = 1mA VBR 3.6 4.1 4.6 V Reverse leakage current VRWM = 3.3V IR <0.02 0.5 uA IPP = 1A, TP = 8/20us 4.2 4.7 Clamping voltage VC V IPP = 17A, TP = 8/20us 8.6 10.6 IPP = 8A, TP = 100ns 5 V Clamping voltage VCL IPP = 16A, TP = 100ns 6.2 Dynamic resistance RDYN 0.15 Junction capacitance VR = 0V, f = 1MHz pF CJ 20 25 Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-G7068 Page 1 Comchip Technology CO., LTD.SMD ESD Protection Diode RATING AND CHARACTERISTIC CURVES (CPDQC3V3T-HF) Fig.1 - 8/20us Peak Pulse Current Fig.2 - Capacitance Between Waveform ACC. IEC 61000-4-5 Terminals Characteristics 120% 25 Ta=25C Test Waveform parameters tf=8us Peak Valur Ipp td=20us 100% -t 80% e 20 60% 40% 15 td= t Ipp / 2 20% 0% 10 0 1 2 3 4 0 5 10 15 20 25 30 Time, (us) Reverse Voltage, (V) Fig.3 - Clamping Voltage Vs. Fig.4 - Power Rating Derating Curve Peak Pulse Current 10 120 Mounting on glass epoxy PCBs 100 8 80 6 60 4 40 Waveform 2 Parameters: 20 tr=8us td=20us 0 0 0 25 50 75 100 125 150 3 5 7 9 13 15 1 11 17 Ambient Temperature, ( C ) Peak Pulse Current, (A) Fig. 5 - Psoitive TLP IV Curre 30 25 20 15 10 5 0 -5 -0.5 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 TLP Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-G7068 Page 2 Comchip Technology CO., LTD. Percentage of Ipp Clamping Voltage, (V) TLP Current, (A) Power Rating, (%) Capacitance Between Terminals, (pF)