Specifications
Manufacturer: STMicroelectronics
Device Type: Unidirectional surface mount transient voltage suppression diode, tape and reel packaged for automated PCB assembly
Core Electrical Parameters
Peak pulse power rating: 600W under 10/1000μs surge waveform
Reverse standoff voltage: 70V
Minimum breakdown voltage: 77.8V
Maximum clamping voltage: 113V
Peak pulse current capacity: 5.5A
Reverse leakage current: 0.2μA at room temperature
Junction temperature working range: -55℃ ~ 150℃
Package outline: DO-214AA SMB two-pin surface mount housing
Main Features
Ultra-fast response speed to suppress instantaneous high voltage surges effectively
Low leakage current ensures almost no extra power consumption under normal operating voltage
Excellent voltage clamping performance, limiting surge voltage within safe range for rear-end chips
Low internal inductance design, ideal for high-speed circuit protection
Passes standardized anti-interference verification, capable of resisting ESD, electrical fast transient and inductive load switching surges
Compact thin package saves printed circuit board layout space
RoHS compliant halogen-free construction, stable long-term operational reliability
The common failure mode under excessive surge energy is short circuit, which can avoid secondary damage to sensitive electronic components
Typical Application Scenarios
Industrial equipment DC power rail surge protection
Automotive low and medium voltage auxiliary circuit anti-surge modules
Telecommunication equipment power line transient voltage suppression
Switching power supply secondary side circuit protection
Instrument and measuring equipment internal circuit overvoltage defense
Various electronic equipment internal IC, MOSFET sensitive chip protection against lightning induction and static electricity interference







