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Home Product 1SMA5939B TVS Diode 26V 1500W SMAJ Series Transient Voltage Suppressor Protector
39V SMA SMT 1.5W - Zener Diode

1SMA5939B TVS Diode 26V 1500W SMAJ Series Transient Voltage Suppressor Protector

1SMA5939B TVS Diode
TE SMAJ28A Transient Suppressor
Uni-Directional 28V Surge Protection
1SMA5939B
The 1SMA5939B TVS Diode from TE (SMAJ28A series) is a uni-directional transient voltage suppressor designed for 28V surge protection, offering robust defense against voltage spikes in circuits. Ideal for safeguarding sensitive electronics from transient overvoltage events.
Categories:Electronic components
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Product Description

The 1SMA5939B TVS Diode is a Uni-Directional 28V transient voltage suppressor designed for robust surge protection in electronic circuits. Featuring a standoff voltage of 28V, it safeguards sensitive components against transient spikes up to 38.9V breakdown voltage. This TE SMAJ28A-compatible device supports single-line protection with a peak pulse current rating of 30A (8/20μs) and operates within -55°C to +150°C, making it ideal for automotive, industrial automation, and power supply systems. Its compact SMA package allows direct integration into circuits requiring minimal space. Advantages include fast response time (<1ns), high surge capability, and AEC-Q101 qualification for automotive reliability. However, its unidirectional design limits protection to positive voltage transients.
Parameter Specification
Product Model 1SMA5939B TVS Diode
Manufacturer TE Connectivity
Transient Suppressor Model TE SMAJ28A
Polarity Uni-Directional
Reverse Stand-off Voltage 28V
Breakdown Voltage (Min-Max) 31.1V - 34.5V
Clamping Voltage @ Ipp 45.3V
Peak Pulse Power (10/1000μs) 600W
Maximum Peak Pulse Current 13.25A
Operating Temperature Range -55°C to +150°C
Package Type SMA/DO-214AC
Response Time <1ps
Surge Protection Standard IEC 61000-4-5
RoHS Compliance Yes
question:How do I pay you?
answer:We accept TT, PayPal, and other major payment methods.
question:Can you provide upgraded or alternative models?
answer:Yes, upgraded or alternative models are available. Contact sales for specifications.
question:Can I arrange official courier pickup myself?
answer:Yes, self-arranged pickup via DHL, FedEx, etc., is supported.
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:How do I pay you?
answer:We accept TT, PayPal, and other major payment methods.
question:Can you provide upgraded or alternative models?
answer:Yes, upgraded or alternative models are available. Contact sales for specifications.
question:Can I arrange official courier pickup myself?
answer:Yes, self-arranged pickup via DHL, FedEx, etc., is supported.
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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