SMD ESD Protection Diode CPDQC24VE-HF High-Reliability and High-Performance RoHS Device Halogen Free Features 0402C/SOD-923F - Bi-directional ESD protection. - IEC 61000-4-2 (ESD) 30KV(contact) 0.041(1.05) 0.037(0.95) - Surface mount package. - Ultra small SMD package: 0402C 0.026(0.65) 0.022(0.55) - High component density. Mechanical data 0.022(0.55) - Case: 0402C/SOD-923F package, 0.018(0.45) molded plastic. 0.001(0.02) - Terminals: Gold plated, solderable per Max. MIL-STD-750,method 2026. 0.026(0.65) 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) 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 138 W Peak pulse current TP = 8/20s IPP 3 A IEC 61000-4-2(air) ESD capability ESD 30 kV IEC 61000-4-2(contact) Operating temperature range Tj -55~+125 C Storage temperature range TSTG -55~+150 C Electrical Characteristics (at TA=25C unless otherwise noted) Symbol Typ Max Parameter Conditions Min Unit Working peak reverse voltage VRWM 24 V Breakdown voltage IT = 1mA VBR 26.5 29 32 V Reverse leakage current VRWM = 24V IR 100 nA IPP = 1A, TP = 8/20s 32 36 Clamping voltage VC V IPP = 3A, TP = 8/20s 38 46 Junction capacitance VR = 0V, f = 1MHz CJ 13 20 pF Company reserves the right to improve product design , functions and reliability without notice. REV:D QW-G7089 Page 1 Comchip Technology CO., LTD.SMD ESD Protection Diode Rating and Characteristic Curves (CPDQC24VE-HF) Fig.2 - Power rating derating curve Fig.1 - 8/20s Peak Pulse Current Wave Form ACC. IEC 61000-4-5 120% 120 Ta=25C Test Waveform parameters Mounting on glass epoxy PCBs tf=8s Peak Value Ipp td=20s 100% 100 -t 80% e 80 60% 60 40% 40 td= t Ipp /2 20% 20 0% 0 0 5 10 15 20 25 30 0 25 50 75 100 125 Time, (s) Ambient Temperature, ( C ) Fig. 3 - Clamping Voltage Vs. Fig.4 - Capacitance Between Peak Pulse Current Terminals Characteristics 60 20 50 15 40 10 30 5 20 0 10 0 6 12 18 24 1.0 2.0 3.0 Peak Pulse Current, IPP (A) Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:D QW-G7089 Page 2 Comchip Technology CO., LTD. Clamping Voltage, VC (V) Percentage Of Ipp Capacitance Between Terminals, (PF) Power Rating, (%)