1SMA4739HM2G
Product Overview
Category
The 1SMA4739HM2G belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and transient suppression in electronic circuits.
Characteristics
- Voltage: 11V
- Power Dissipation: 1.5W
- Package: DO-214AC (SMA)
- Packaging/Quantity: Tape & Reel, 3000 per reel
Specifications
- Reverse Standoff Voltage: 11V
- Breakdown Voltage Range: 10.45V to 11.55V
- Maximum Reverse Leakage Current: 5µA
- Maximum Zener Impedance: 20Ω
Detailed Pin Configuration
The 1SMA4739HM2G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
This Zener diode provides a stable voltage reference and protects sensitive components from voltage spikes.
Advantages
- Precise voltage regulation
- Fast response time
- Compact package size
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
When the voltage across the diode reaches its breakdown voltage, it starts conducting, effectively clamping the voltage to the specified level.
Detailed Application Field Plans
The 1SMA4739HM2G is widely used in: - Voltage regulators - Surge protectors - Overvoltage clamping circuits
Detailed and Complete Alternative Models
- 1N4749A
- BZX85C11
- MMSZ5245B
In conclusion, the 1SMA4739HM2G Zener diode offers precise voltage regulation and transient suppression capabilities, making it an essential component in various electronic applications.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1SMA4739HM2G i tekniska lösningar
What is 1SMA4739HM2G?
- 1SMA4739HM2G is a surface mount, high-power transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of 1SMA4739HM2G?
- The maximum peak pulse power of 1SMA4739HM2G is 400 watts.
What is the breakdown voltage of 1SMA4739HM2G?
- The breakdown voltage of 1SMA4739HM2G is 43.6 volts.
What are the typical applications of 1SMA4739HM2G?
- Typical applications of 1SMA4739HM2G include protection of telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics from voltage surges.
What is the operating temperature range of 1SMA4739HM2G?
- The operating temperature range of 1SMA4739HM2G is -55°C to +150°C.
What is the reverse stand-off voltage of 1SMA4739HM2G?
- The reverse stand-off voltage of 1SMA4739HM2G is 39.2 volts.
How does 1SMA4739HM2G provide protection against voltage transients?
- 1SMA4739HM2G clamps the transient voltage to a safe level and diverts the excessive current away from the protected load, thereby preventing damage to the connected circuitry.
Can 1SMA4739HM2G be used for surge protection in power supply units?
- Yes, 1SMA4739HM2G can be used to protect power supply units from voltage surges and spikes.
What is the package type of 1SMA4739HM2G?
- 1SMA4739HM2G is available in a DO-214AC (SMA) package.
Is 1SMA4739HM2G compliant with RoHS requirements?
- Yes, 1SMA4739HM2G is compliant with RoHS (Restriction of Hazardous Substances) requirements, making it suitable for use in environmentally conscious designs.