SMD ESD Protection Diode CPDQR24V-HF RoHS Device Halogen Free Features 0402/SOD-923F - Bi-directional ESD protection. - Surface mount package. 0.041(1.05) 0.037(0.95) - Ultra small SMD package:0402. - High component density. 0.026(0.65) 0.022(0.55) Mechanical data - Case: 0402/SOD-923F standard package, molded plastic. 0.022(0.55) - Terminals: Gold plated, solderable per 0.018(0.45) MIL-STD-750,method 2026. 0.014(0.35) - Marking Code: 0.010(0.25) CPDQR24V-HF: E4 - Mounting position: Any. - Weight: 0.001 grams(approx.). 0.020(0.50) 0.016(0.40) Circuit Diagram Dimensions in inches and (millimeter) Electrical Characteristics (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit Diode breakdown voltage IR = 1mA VBD 25 28 V Leakage current VR = 24V IL 0.1 2.0 uA Junction capacitance VR = 0V,f =1MHz pF CT 10 IEC 61000-4-2(air) 16 ESD capability ESD kV IEC 61000-4-2(contact) 8 Clamping voltage IPP = 1A,TP=8/20us VC 47 V Peak pulse power TP=8/20us PPP 47 W Operation temperature range -40 Tj 125 C Storage temperature range TSTG -55 150 C Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-G7018 Page 1 Comchip Technology CO., LTD.SMD ESD Protection Diode RATING AND CHARACTERISTIC CURVES (CPDQR24V-HF) Fig.1 - 8/20us Peak Pulse Current Fig.2 - Reverse Characteristics Wave Form Acc. IEC 61000-4-5 10u 120% Test Waveform parameters tf=8us Ta=25C Peak Valur Ipp td=20us 100% 1u -t 80% e 60% 100n 40% td= t Ipp /2 20% 10n 0% 0 5 10 15 20 25 30 0 20 40 60 80 100 Time, (us) Reverse Voltage, (%) Fig.3 - Capacitance Between Fig.4 - Power Rating Derating Curve Terminals Characteristics 15 Mounting on glass epoxy PCBs 100 12 80 9 CPDQR24V-HF 60 6 40 3 20 0 0 0 25 50 75 100 125 150 0 10 20 30 40 Reverse Voltage, (V) Ambient Temperature, (C) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-G7018 Page 2 Comchip Technology CO., LTD. Capacitance Between Terminals, (PF) Percentage Of Ipp Power Rating, (%) Reverse current, ( A )