SMD ESD Protection Diode CPDQC3V3A-HF RoHS Device Halogen Free Features 0402C/SOD-923F - Bi-directional ESD protection. 0.041(1.05) - IEC 61000-4-5 (surge) IPP=4A 0.037(0.95) - IEC 61000-4-2 (ESD) 20KV(contact) - Low clamping voltage. 0.026(0.65) 0.022(0.55) - Low leakage current. Mechanical data 0.022(0.55) - Case: 0402C/SOD-923F standard package, 0.018(0.45) molded plastic. 0.001(0.02) - Terminals: Gold plated, solderable per Max. 0.026(0.65) MIL-STD-750, method 2026 BSC. - Mounting position: Any. 0.022(0.55) - Weight: 0.001 grams (approx.). 0.018(0.45) 0.012(0.30) Circuit Diagram 0.008(0.20) I/O I/O Dimensions in inches and (millimeter) I/O I/O = Maximum Rating (at TA=25C unless otherwise noted) Symbol Parameter Conditions Value Unit Peak pulse power TP = 8/20s PPP 100 W Peak pulse current TP = 8/20s IPP 4 A IEC 61000-4-2(air) ESD 20 ESD capability kV IEC 61000-4-2(contact) ESD 20 Operating temperature range Tj -55 ~ +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 Diode breakdown voltage IT = 1mA VBR 4.5 V A Reverse current VRWM = 3.3V IR 0.1 IPP = 1A, TP = 8/20s VC 11 14 V Clamping voltage IPP = 4A, TP = 8/20s VC 25 V Junction capacitance pF VR = 0V, f = 1MHz CJ 0.2 0.3 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G7108 Page 1 Comchip Technology CO., LTD.SMD ESD Protection Diode Rating and Characteristic Curves (CPDQC3V3A-HF) Fig.1 - 8/20s Peak Pulse Current Fig.2 - Typical Capacitance Between Wave Form Acc. IEC61000-4-5 Terminals Characteristics 120% 0.4 Test Waveform parameters tf=8s Ta=25C Peak Valur Ipp td=20s 100% 0.3 -t 80% e 0.2 60% 40% td= t Ipp /2 0.1 20% 0% 0 0 5 10 15 20 25 30 0 1 2 3 3.3 Time, (s) Reverse Voltage, (V) Fig. 4 - Power Rating Derating Curve Fig.3 - Clamping Voltage Vs. Peak Pulse Current 25 Mounting on glass epoxy PCBs 100 20 80 15 60 10 40 5 20 0 0 1 2 3 4 0 25 50 75 100 125 Peak Pulse Current, (A) Ambient Temperature, (C) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G7108 Page 2 Comchip Technology CO., LTD. Clamping Voltage, (V) Percentage Of Ipp Power Rating, (%) Capacitance Between Terminals, (PF)