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Home Product 1SMA5943B SMAJ Series 600W TVS Diode Surge Protector for Power Electronics Protection
56V SMA SMT 1.5W - Zener Diode

1SMA5943B SMAJ Series 600W TVS Diode Surge Protector for Power Electronics Protection

1SMA5943B TVS Diode
1SMA5943B Transient Suppressor
1SMA5943B Surge Protection
1SMA5943B
The 1SMA5943B TVS Diode is a robust transient suppressor providing surge protection for sensitive electronics. Featuring low clamping voltage, high power handling, and fast response time, this surface-mount device safeguards against voltage spikes, ESD, and transient overvoltage events in industrial, automotive, and communication systems.
Categories:Electronic components
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Product Description

The 1SMA5943B TVS Diode is a high-performance transient suppressor designed for robust surge protection in electronic circuits. It operates within a voltage range of 15.4V (standoff) to 24.4V (breakdown), providing reliable clamping during overvoltage events. Capable of handling peak pulse power up to 1500W, this bidirectional device supports fast response times (<1ns) and integrates seamlessly with power lines, data interfaces (RS-485, CAN, USB), or communication modules. Its compact SMA package suits automotive, industrial control, and telecom applications, with an operating temperature range of -55°C to +150°C. Key advantages include high surge absorption, low leakage current, and durable construction, though prolonged high-energy transients may affect longevity. No battery or display features; optimized for short-circuit protection in low-voltage systems.
ParameterSpecification
Device Type1SMA5943B TVS Diode
FunctionTransient Suppressor / Surge Protection
Peak Pulse Power (10/1000μs)1500W
Reverse Stand-off Voltage (VRWM)17.6V
Breakdown Voltage (VBR)19.5V min
Maximum Clamping Voltage (VC)28.5V at 29.2A
Leakage Current (ID)1μA max
Operating Temperature Range-55°C to +175°C
PackageDO-214AC (SMA)
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models based on availability and client requirements.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other mainstream shipping providers.
question:Do you provide technical model selection services?
answer:Yes, our engineers assist in choosing suitable models tailored to your needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models based on availability and client requirements.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other mainstream shipping providers.
question:Do you provide technical model selection services?
answer:Yes, our engineers assist in choosing suitable models tailored to your needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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