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Littelfuse AQ0502 Unidirectional TVS Diode Arrays

2024-01-30

Littelfuse AQ0502 Unidirectional TVS Diode Arrays

Littelfuse AQ0502 Unidirectional Transient Voltage Suppressor (TVS) Diode Arrays offer 5V reverse standoff voltage and low 1pF capacitance at 1MHz in SOT523-3L or SOT723-3L packaging. These two-channel unidirectional SPA® diodes provide a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). The diodes safely absorb repetitive ESD strikes at ±22kV (contact discharge, IEC 61000-4-2) without performance degradation and safely dissipate 2.5A of 8/20μs surge current (IEC 61000-4-5 2nd edition). Other features include a low leakage current of 1nA, RoHS compliance, and a -40°C to +150°C operating temperature range. Littelfuse AQ0502 Unidirectional TVS Diode Arrays are also AEC-Q101 qualified and PPAP capable. The AQ0502 series is designed to ensure excellent signal integrity on challenging consumer electronics interfaces, including USB 2.0, 10/100/1000 Ethernet, and DisplayPort.

FEATURES

  • SPA diode
  • 2-channel unidirectional
  • High level of protection against ESD
  • Ideal for challenging consumer electronics interfaces
  • Low capacitance
  • Low leakage current
  • Moisture sensitivity level (MSL) 1
  • AEC-Q101 qualified
  • PPAP capable
  • Halogen free, lead free, and RoHS compliant

APPLICATIONS

  • Automotive
  • USB 2.0
  • DisplayPort
  • 10/100/1000 Ethernet

SPECIFICATIONS

  • ESD, IEC 61000-4-2, ±22kV contact, ±27kV air
  • ESD, ISO 10605, 330pF 330Ω, ±20kV contact/air
  • Electrical fast transients (EFT), IEC 61000-4-4, 40A (5/50ns)
  • 2.5A (8/20μs) maximum surge tolerance, IEC 61000-4-5 2nd edition
  • 5V reverse standoff voltage
  • 1pF capacitance at 1MHz (typical at VR = 0V)
  • 1nA leakage current (typical) at 5V
  • SOT523-3L (-02RTG) or SOT723-3L (-02STG) package
  • -40°C to +150°C operating temperature range

PINOUT

Application Circuit Diagram - Littelfuse AQ0502 Unidirectional TVS Diode Arrays

FUNCTIONAL BLOCK DIAGRAM

Block Diagram - Littelfuse AQ0502 Unidirectional TVS Diode Arrays
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