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Home Product 1SMA5947B SMAJ58CA 58V Bidirectional TVS Diode DO-214AC Surge Protector
82V 1.5W - Zener Diode

1SMA5947B SMAJ58CA 58V Bidirectional TVS Diode DO-214AC Surge Protector

1SMA5947B TVS Diode
SMA5947B 400W Suppressor
Littelfuse SMA5947B 5.8V
1SMA5947B
1SMA5947B TVS Diode by Littelfuse: 400W surge suppressor with 5.8V clamping voltage for robust overvoltage protection in electronic circuits.
Categories:Electronic components
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Product Description

The 1SMA5947B TVS Diode, part of Littelfuse's SMA5947B series, is a robust 400W suppressor designed for transient voltage protection in sensitive circuits. Operating at a clamping voltage of 5.8V, it provides reliable defense against voltage spikes and ESD events. This unidirectional diode supports fast response times, ideal for safeguarding low-voltage applications. With a working voltage range up to 5.8V and a broad temperature tolerance of -55°C to +150°C, it suits high-reliability environments like automotive electronics, industrial control systems, and telecom infrastructure. Its compact SMA package enables easy integration without occupying significant board space. Key advantages include high surge capacity and durability, though its fixed voltage rating limits flexibility. Applications exclude battery or display-dependent systems, focusing purely on circuit protection.
Parameter Specification
Model Number 1SMA5947B
Device Type TVS Diode (Transient Voltage Suppressor)
Peak Pulse Power (PPP) 400W @ 10/1000μs waveform
Reverse Standoff Voltage (VRWM) 5V
Breakdown Voltage (VBR) 5.8V (Min)
Clamping Voltage (VC) 9.9V @ 69.1A
Polarity Unidirectional
Package Type SMA/DO-214AC
Operating Temperature Range -55°C to +150°C
Storage Temperature Range -55°C to +175°C
Compliance Standards IEC 61000-4-5, ISO 7637-2
Applications Surge protection for power supplies, communication systems, consumer electronics, industrial equipment
Manufacturer Littelfuse Inc.
Part Status Active
RoHS Compliance Yes
question:Why choose your company for purchasing?
answer:As Asia's leading industrial automation trader with 20 years' expertise, we guarantee product reliability, uphold strong reputation, and 85% clients are recurring.
question:Can shipments be declared as low value?
answer:Yes, eligible shipments under $800 can apply for low-value declaration to minimize tariffs.
question:Do you support customized logistics solutions?
answer:Yes, we provide tailored logistics options to ensure timely, cost-efficient global delivery.
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:Why choose your company for purchasing?
answer:As Asia's leading industrial automation trader with 20 years' expertise, we guarantee product reliability, uphold strong reputation, and 85% clients are recurring.
question:Can shipments be declared as low value?
answer:Yes, eligible shipments under $800 can apply for low-value declaration to minimize tariffs.
question:Do you support customized logistics solutions?
answer:Yes, we provide tailored logistics options to ensure timely, cost-efficient global delivery.
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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