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Home Product 1SMA5944B TVS Diode, 58.4V 500W Surge Protector, SMAJ Series Transient Voltage Suppressor
62V SMA SMT 1.5W - Zener Diode

1SMA5944B TVS Diode, 58.4V 500W Surge Protector, SMAJ Series Transient Voltage Suppressor

1SMA5944B TVS Diode
STMicroelectronics SMA5944B
SMA5944B Surge Protection
1SMA5944B
The 1SMA5944B TVS Diode by STMicroelectronics delivers robust surge protection against voltage transients, ESD, and power surges. Designed for high-power handling in industrial systems, telecom equipment, and power supplies, the SMA5944B ensures fast response and reliable overvoltage safeguarding.
Categories:Electronic components
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Product Description

The 1SMA5944B TVS Diode from STMicroelectronics is a high-performance surge protection device designed to safeguard sensitive electronic circuits against voltage transients and electrostatic discharges (ESD). Operating within a voltage range of 58.8V to 64.7V, it features a peak pulse power handling capability of 1500W (10/1000μs) and supports a maximum clamping voltage of 94.5V. This unidirectional diode is housed in an SMA package, offering robust thermal stability across a temperature range of -55°C to +175°C. Widely used in industrial applications such as power supplies, automotive systems, and communication interfaces, the SMA5944B excels in mitigating overvoltage events with rapid response times (<1ps). Its compact design enables direct integration into circuit protection modules without occupying excessive board space. Key advantages include high surge current tolerance and low leakage current, though its fixed voltage rating limits flexibility across varying applications. This device does not incorporate battery capacity, screen elements, or proximity sensing features, focusing solely on transient voltage suppression.
ParameterSpecification
ManufacturerSTMicroelectronics
Product TypeTVS Diode
Part NumberSMA5944B
Reverse Standoff Voltage48 V
Breakdown Voltage Range53.3 V to 58.8 V
Peak Pulse Power (8/20µs)3000 W
Test WaveformIEC 61000-4-5 (8/20µs)
Maximum Reverse Leakage Current1 µA
Clamping Voltage77.4 V at 37.1 A
PolarityUnidirectional
Package TypeDO-214AC (SMA)
Operating Temperature Range-55°C to +150°C
CertificationsRoHS, AEC-Q101
ApplicationSurge Protection in Telecom Systems, Industrial Equipment
question:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods.
question:Why is the shipping cost so high? Are there cheaper options?
answer:Shipping costs depend on weight, size, and destination. We'll inform you if cheaper options are available.
question:Can I arrange self-pickup with my own courier?
answer:Yes, you can use your preferred courier. Provide your account details during order confirmation.
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:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods.
question:Why is the shipping cost so high? Are there cheaper options?
answer:Shipping costs depend on weight, size, and destination. We'll inform you if cheaper options are available.
question:Can I arrange self-pickup with my own courier?
answer:Yes, you can use your preferred courier. Provide your account details during order confirmation.
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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