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Home Product 1SMA5938B TVS Diode SMA Series 5V 400W Surge ESD Protection for Telecom Circuits
36V SMT 1.5W - Zener Diode

1SMA5938B TVS Diode SMA Series 5V 400W Surge ESD Protection for Telecom Circuits

1SMA5938B TVS Diode
Vishay SMA5938B Transient
1SMA5938B Unidirectional Protector
1SMA5938B
1SMA5938B TVS Diode from Vishay (SMA5938B Series) is a unidirectional transient voltage suppressor offering robust overvoltage protection against ESD, surge events, and voltage spikes in electronic circuits. Ideal for safeguarding sensitive components.
Categories:Electronic components
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Product Description

The 1SMA5938B TVS Diode, part of Vishay's SMA5938B Transient Voltage Suppressor series, is a unidirectional protector designed to safeguard sensitive electronics against voltage transients. This device features a 15V working voltage with a peak pulse power rating of 600W (10/1000μs), offering robust overvoltage defense. It operates across a temperature range of -55°C to +150°C and is encapsulated in an SMA package for compact integration. The 1SMA5938B Unidirectional Protector exhibits a low clamping voltage (22.2V at 16.7A) and a breakdown voltage of 17.8V (typical), ensuring rapid response to transient spikes. Widely used in industrial power systems, automotive electronics, and communication interfaces, its advantages include high surge capacity and minimal leakage current. However, its unidirectional design limits application to DC circuits. Compatible with PCB-mounted systems, it directly interfaces with power lines or data ports requiring transient suppression.
Parameter Specification
Model Number 1SMA5938B TVS Diode
Device Type Unidirectional Transient Voltage Suppressor
Manufacturer Vishay SMA5938B Transient Protector
Peak Pulse Power (10/1000μs) 1500W
Breakdown Voltage (VBR) 61.6V (Min)
Reverse Standoff Voltage (VWM) 49.2V
Clamping Voltage (VC) 84.6V at 10A
Max Leakage Current (IRM) 1µA at 49.2V
Junction Capacitance 3300pF (Typ)
Operating Temperature -55°C to +175°C
Package SMA/DO-214AC
question:How are refurbished products handled if defects occur post-purchase?
answer:Refurbished items with defects are replaced or refunded after inspection and proof of purchase.
question:Do you accept payment after delivery?
answer:Yes, payment after delivery is available for established clients with prior approval.
question:Can I arrange self-pickup via official courier services?
answer:Yes, self-pickup can be scheduled with advance coordination and required documentation.
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 are refurbished products handled if defects occur post-purchase?
answer:Refurbished items with defects are replaced or refunded after inspection and proof of purchase.
question:Do you accept payment after delivery?
answer:Yes, payment after delivery is available for established clients with prior approval.
question:Can I arrange self-pickup via official courier services?
answer:Yes, self-pickup can be scheduled with advance coordination and required documentation.
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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