TVS Diode Array Lightning Surge Protection- AQ4021 Series RoHS GREEN Pb AQ4021 Series 2.5pF, 25A Discrete TVS Diode Description The AQ4021 components integrate low capacitance steering diodes with one or two avalanche breakdown diodes for unidirectional or bidirectional protection, respectively, to protect against ESD and lightning induced surge events. These components can safely absorb up nd to 25A per IEC 61000-4-5 2 edition (t =8/20s) without p performance degradation and a minimum 30kV ESD per IEC 61000-4-2 International Standard. The low loading capacitance and high surge capability make it ideal for protecting telecommunication ports such as Ethernet and other high speed data interfaces. Pinout Features ESD, IEC 61000-4-2, Unidirectional and Pin 1 30kV contact, 30kV air bidirectional configuration EFT, IEC 61000-4-4, 40A Small SOD323 package (5/50ns) ts 0805 ffi ootprints Lightning, IEC 61000- AEC-Q101 Qualified nd 4-5 2 edition, 25A Moisture Sensitivity (t =8/20s) P Level(MSL -1) Low capacitance of 2.5pF Halogen free, lead free ( V =0V) R and RoHS compliant Low leakage current Pin 2 Functional Block Diagram Applications 1 1 10/100/1000 Ethernet Instrumentation T1/E1/T3/E3 Medical Equipment USB 1.1/2.0 CAN Bus protection Power Ports Automotive applications Computers and Peripherals 2 2 Unidirectional Bidirectional AQ4021-01FTG AQ4021-01FTG-C SP4021-01FTG SP4021-01FTG-C Life Support Note: Not Intended for Use in Life Support or Life Saving Applications The products shown herein are not designed for use in life sustaining or life saving applications unless otherwise expressly indicated. 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/12/21TVS Diode Array Lightning Surge Protection- AQ4021 Series Absolute Maximum Ratings Symbol Parameter Value Units I Peak Current (t =8/20s) 25 A PP p P Peak Pulse Power (t =8/20s) 600 W Pk p T Operating Temperature -40 to 150 C OP T Storage Temperature -55 to 150 C STOR Notes: CAUTION: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the component. This is a stress only rating and operation of the component at these or any other conditions above those indicated in the operational sections of this specification is not implied. Electrical Characteristics (T =25C) OP Parameter Symbol Test Conditions Min Typ Max Units Breakdown Voltage V I =2uA 6.3 V BD R Reverse Standoff Voltage V I 1A 5.0 V RWM R Leakage Current I V =5.0V 0.5 A LEAK R I =1A, t =8/20s, Fwd 9.3 V PP p 1 Clamp Voltage V I =10A, t =8/20s, Fwd 14.0 V C PP p I =25A, t =8/20s, Fwd 20.5 V PP P 2 Dynamic Resistance R TLP, t =100ns, I/O to GND 0.35 DYN P IEC 61000-4-2 (Contact Discharge) 30 kV 1 ESD Withstand Voltage V ESD IEC 61000-4-2 (Air Discharge) 30 kV 1 Diode Capacitance C Reverse Bias=0V, f=1MHz 2.5 pF D Note: 1. Parameter is guaranteed by design and/or component characterization. 2. Transmission Line Pulse (TLP) with 100ns width, 2ns rise time, and average window t1=70ns to t2= 90ns Normalized Capacitance vs. Bias Voltage 8/20s Pulse Waveform 3.5 110% 100% 3.0 SP4021-01FTG ASPQ40214021-01-01FTG-CFTG-C AQ4021-01FTG 90% 2.5 80% 70% 2.0 60% 1.5 50% 40% 1.0 30% 0.5 20% 10% 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0% 0.0 5.0 10.0 15.0 20.0 25.0 30.0 Bias Voltage (V) Time (s) 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/12/21 Normalized Capacitance Percent of I PP