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Home Product 1SMA5921B TVS Diode, High Power Surge Protector, Transient Voltage Suppressor
6.8V SMA SMT 1.5W - Zener Diode

1SMA5921B TVS Diode, High Power Surge Protector, Transient Voltage Suppressor

1SMA5921B TVS Diode
1SMA5921B Transient Suppressor
SMA5921B Surge Protection
1SMA5921B
1SMA5921B TVS Diode is a high-power transient suppressor designed for surge protection in electronic circuits, providing robust voltage clamping and peak pulse energy absorption capabilities. This SMA5921B surge protection device ensures reliable overvoltage defense for sensitive components.
Categories:Electronic components
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Product Description

The 1SMA5921B TVS Diode is a high-performance transient suppressor designed for robust surge protection in sensitive electronic circuits. It features a compact SMA/DO-214AC package and operates within a voltage range of 6.8V reverse standoff, with a breakdown voltage of 7.54–8.35V, ensuring reliable clamping during voltage transients. Capable of handling up to 600W peak pulse power (10/1000μs) and 13.6V maximum clamping voltage at 10A, it efficiently protects against ESD, lightning-induced surges, and switching spikes. This diode supports a wide temperature range of -55°C to +150°C, making it ideal for automotive, industrial, telecommunications, and power supply applications. Its key advantages include rapid response time (pico-second level), low leakage current, and durability under harsh environments. While optimized for single-line protection, it may require additional components for multi-channel systems. The device lacks integrated communication interfaces or energy storage but excels as a standalone overvoltage defense solution.
Parameter Specification
Device Type 1SMA5921B TVS Diode
Application Transient Suppressor / Surge Protection
Peak Pulse Power (10/1000μs) 600W
Breakdown Voltage (VBR) 19.2V min, 21.2V max
Reverse Working Voltage (VRWM) 17.0V
Maximum Clamping Voltage (VC) 30.8V at 19.5A
Leakage Current (ID) 1μA max at VRWM
Operating Temperature Range -55°C to +150°C
Package SMA (DO-214AC)
Compliance RoHS compliant
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major shipping providers.
question:Why is there a handling fee?
answer:Handling fees cover payment processing and bank transfer costs necessary for transaction completion.
question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs reflect market rates. Consolidating orders or using your account may offer discounts.
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 shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major shipping providers.
question:Why is there a handling fee?
answer:Handling fees cover payment processing and bank transfer costs necessary for transaction completion.
question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs reflect market rates. Consolidating orders or using your account may offer discounts.
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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