Specifications
Manufacturer: STMicroelectronics
Device Type: Automotive-grade unidirectional TVS transient voltage suppression diode, SMA6TY series, tape and reel surface mount packaging
Core Electrical Parameters
Peak pulse power dissipation: 600W under 10/1000μs surge waveform, 4kW under 8/20μs pulse
Reverse standoff voltage: 5V
Breakdown voltage range: 6.4V ~ 7.1V
Maximum clamping voltage: 14.4V
Maximum peak surge current: 68A
Reverse leakage current: 0.2μA at 25°C, 1μA at 85°C
Dynamic internal resistance: maximum 0.029Ω
Operating junction temperature range: -55℃ ~ 150℃
Storage temperature range: -65℃ ~ 150℃
Package specification: SMA DO-214AC two-pin surface mount plastic package
Automotive certification: AEC-Q101 qualified
Main Features
Adopts planar chip manufacturing process, featuring ultra-low leakage current and stable high-temperature performance
Extremely fast turn-on response speed, instantly absorbs electrostatic pulses and voltage surges
Strictly complies with ISO 7637-2 vehicle power surge standard and ISO 10605 automotive electrostatic test specification
Withstands 30kV air discharge and 30kV contact discharge ESD impact
Compact small outline package occupies minimal PCB layout space
Molding material reaches UL94 V0 flame retardant grade
Matte tin pin plating effectively restrains tin whisker generation
After enduring excessive surge energy, the device tends to short-circuit, which avoids damage to rear-end sensitive automotive chips
Halogen-free material composition, fully compliant with RoHS environmental requirements
Typical Application Scenarios
Automotive 5V ECU main control power rail overvoltage protection
Vehicle on-board sensor signal line electrostatic and surge protection
Automotive body electronic module internal chip transient voltage defense
Car infotainment system circuit anti-interference protection
Automotive USB interface, low-voltage peripheral port surge suppression
Various automotive low-voltage sensitive semiconductor circuit anti-static design
