SMD ESD Protection Diode CPDQC3V3R-HF RoHS Device Halogen Free Features 0402C/SOD-923F - Bi-directional ESD protection. 0.041(1.05) - Surface mount package. 0.037(0.95) - Ultra small SMD package:0402C. - High component density. 0.026(0.65) 0.022(0.55) Mechanical data 0.022(0.55) - Case: 0402C/SOD-923F standard package, 0.018(0.45) molded plastic. - Terminals: Gold plated, solderable per 0.001(0.02) Max. MIL-STD-750,method 2026. 0.026(0.65) BSC. - Mounting position: Any. - Weight: 0.001 grams (approx.). 0.022(0.55) 0.018(0.45) Circuit Diagram 0.012(0.30) 0.008(0.20) Dimensions in inches and (millimeter) Maximum Rating (at TA=25C unless otherwise noted) Symbol Parameter Conditions Value Unit Peak pulse power TP = 8/20s PPP 36 W IEC 61000-4-2(air) ESD 15 ESD capability kV IEC 61000-4-2(contact) ESD 8 Operating temperature range Tj -55 ~ +150 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 IR = 1mA VBR 5 V Leakage current A VR = 3.3V IR 1 IPP = 1A, TP = 8/20s VC 15.5 V Clamping voltage IPP = 2A, TP = 8/20s VC 18 V Junction capacitance VR = 0V, f = 1MHz pF CT 18 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G7106 Page 1 Comchip Technology CO., LTD.SMD ESD Protection Diode Rating and Characteristic Curves (CPDQC3V3R-HF) Fig.1 - 8/20s Peak Pulse Current Fig.2 - Capacitance Between Terminals Characteristics Wave Form Acc. IEC 61000-4-5 21 120% Test Waveform parameters Ta=25C tf=8s Peak Valur Ipp td=20s 100% 19 -t 80% e 17 60% 15 40% td= t Ipp /2 13 20% 11 0% 0 1 2 3 4 0 5 10 15 20 25 30 Time, (s) Reverse Voltage, (V) Fig.3 - Clamping Voltage Vs. Fig.4 - Power Rating Derating Curve Peak Pulse Current 19 110 Mounting on glass epoxy PCBs 18 100 17 80 16 60 15 40 14 Waveform Parameters: 20 13 tr=8s td=20s 0 12 0 1 2 3 0 25 50 75 100 125 150 Peak Pulse Current, (A) Ambient Temperature, (C) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G7106 Page 2 Comchip Technology CO., LTD. Percentage Of Ipp Clamping Voltage, (V) Power Rating, (%) Capacitance Between Terminals, (pF)