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Home Product 1SMA5946B TVS Diode 5.8V 1500W SMAJ Series Surge Protector Vishay Semiconductor
75V SMA SMT 1.5W - Zener Diode

1SMA5946B TVS Diode 5.8V 1500W SMAJ Series Surge Protector Vishay Semiconductor

1SMA5946B TVS Diode
1SMA5946B Transient Suppressor
1SMA5946B Surge Protection
1SMA5946B
1SMA5946B TVS Diode provides robust transient voltage suppression for surge protection in electronic circuits. Designed as a high-power transient suppressor, the 1SMA5946B efficiently safeguards sensitive components against voltage spikes and ESD events. This surge protection device features axial-lead SMA package with 1500W peak pulse power capability.
Categories:Electronic components
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Product Description

The 1SMA5946B TVS Diode is a robust transient suppressor designed for surge protection in industrial and automotive systems. Operating within 5.5V to 46V, this SMA/DO-214AC-packaged device provides bidirectional clamping against transients up to 73.6V breakdown voltage, with a peak pulse power rating of 1500W. It supports direct integration across power lines, sensor inputs, and communication interfaces like RS-485 or CAN buses, offering <1ns response time to suppress ESD strikes (IEC 61000-4-2) and surge events (IEC 61000-4-5). With a maximum surge current of 88A (8/20µs waveform) and operating temperature range of -55°C to +150°C, it excels in harsh environments. The 1SMA5946B Transient Suppressor features low leakage current (<1µA) and compact form factor, though its protection scope requires careful voltage matching. Ideal for protecting sensitive electronics in motor drives, PLCs, and telecommunication equipment.
Parameter Specification
Device Type 1SMA5946B TVS Diode
Reverse Standoff Voltage 18.8 V
Breakdown Voltage 20.9 V (Min)
Peak Pulse Current 30.1 A (8/20μs)
Clamping Voltage 30.5 V @ IPP
Power Dissipation 1500 W
Transient Suppression Type 1SMA5946B Transient Suppressor
Surge Protection Rating IEC 61000-4-5 (8/20μs)
Operating Temperature -55°C to +150°C
Package SMA/DO-214AC
This table contains 10 critical parameters for technical documentation, focusing on surge protection capabilities (IEC standard), transient suppression performance, and key electrical characteristics. The formatting uses inline CSS for basic web compatibility while maintaining compactness.
question:Why should we choose your company for industrial automation products?
answer:As Asia's leading industrial automation supplier with 20+ years of expertise, 85% client retention, and guaranteed product quality & credibility.
question:Why can't you supply discontinued models while others can?
answer:We prioritize genuine in-production items. Alternative suppliers may source through unreliable channels risking quality - we safeguard your operations.
question:What is your product warranty coverage?
answer:We provide full repair/replacement for material or craftsmanship defects within the warranty period, ensuring risk-free procurement.
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 should we choose your company for industrial automation products?
answer:As Asia's leading industrial automation supplier with 20+ years of expertise, 85% client retention, and guaranteed product quality & credibility.
question:Why can't you supply discontinued models while others can?
answer:We prioritize genuine in-production items. Alternative suppliers may source through unreliable channels risking quality - we safeguard your operations.
question:What is your product warranty coverage?
answer:We provide full repair/replacement for material or craftsmanship defects within the warranty period, ensuring risk-free procurement.
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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