The 1.5SMC27A is a Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse. This device is specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). It offers a robust solution for overvoltage protection in a compact surface-mount package.

Applications

  
• Protection of sensitive electronic equipment
  
• Overvoltage protection in communication systems
  
• Surge protection in industrial control systems
  
• ESD protection for I/O interfaces
  
• Power supply protection

Features

  
• Unidirectional TVS Diode
  
• Surface Mount SMC Package
  
• Glass passivated junction
  
• Excellent clamping capability
  
• Low incremental surge resistance
  
• Fast response time: typically less than 1.0 ps from 0 Volts to BV min
  
• Typical failure mode is short from over-specified voltage or current
  
• Whisker test is conducted based on JEDEC standard JESD201A per its table 4a and 4c
  
• IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact)
  
• EFT surge protection per IEC-61000-4-4

Benefits

  
• Provides a high level of protection against transient voltage events
  
• Enhances the reliability and longevity of electronic equipment
  
• Simplifies circuit design and reduces component count
  
• Offers space-saving advantages with its surface-mount package
  
• Compliant with industry standards for ESD and surge protection

Additional Details

Electrical Characteristics:

  
• Reverse Stand-Off Voltage: 27V
  
• Breakdown Voltage (Min): 30.2V
  
• Breakdown Voltage (Max): 33.4V
  
• Test Current: 1mA
  
• Clamping Voltage @ Peak Pulse Current: 43.5V
  
• Peak Pulse Current (Ippm) @ 10/1000μs Waveform: 34.5A
  
• Maximum Reverse Leakage Current @ Vr: 5μA
  
• Peak Pulse Power Dissipation (Pppm) @ 10/1000μs Waveform: 1500W

Package: SMC (DO-214AB)

Mounting Type: Surface Mount