Littelfuse TPSMF4L78A

The TPSMF4L series of SOD-123FL small and flat lead low-profile plastic package is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events, and it’s especially suitable for high reliability and automotive application.

• High reliability application and automotive grade AEC-Q101 qualifed
• 400W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycle): 0.01%
• Compatible with industrial standard package SOD-123FL
• Low inductance, excellent clamping capability
• For surface mounted applications to optimize board space
• Typical failure mode is short from over-specified voltage or current
• Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c
• IEC 61000-4-2 ESD 30kV (Air), 30kV (Contact)
• ESD protection of data lines in accordance with IEC 61000-4-2
• EFT protection of data lines in accordance with IEC 61000-4-4
• Fast response time: typically less than 1.0ns from 0 Volts to VBR min
• Glass passivated junction
• Built-in strain relief
• Plastic package is flammability rated V-0 per Underwriters Laboratories
• Meet MSL level1, per J-STD-020, LF maximum peak of 260°C
• Matte tin lead–free plated
• Halogen-free and RoHS compliant
• Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD609A.01)
• UL Recognized as an Isolated Loop Circuit Protector per UL 497B

• Protection of portable devices/hard drives
• Notebooks
• VCC busses
• POS terminal
• SSDs
• Power supplies
• Monitors
• Vulnerable circuit used in other consumer applications