1SMA4746HR3G
Product Overview
Category
The 1SMA4746HR3G belongs to the category of semiconductor devices, specifically a Zener diode.
Use
This product is commonly used for voltage regulation and transient voltage suppression in electronic circuits.
Characteristics
- Voltage: 16V
- Power Dissipation: 1.5W
- Zener Voltage Tolerance: ±5%
- Package Type: DO-214AC (SMA)
- RoHS Compliant: Yes
Packaging/Quantity
The 1SMA4746HR3G is typically available in tape and reel packaging with quantities varying based on manufacturer specifications.
Specifications
- Maximum Zener Impedance: 20Ω
- Operating Temperature Range: -65°C to +150°C
- Storage Temperature Range: -65°C to +175°C
Detailed Pin Configuration
The 1SMA4746HR3G has two pins, anode and cathode, which are clearly labeled on the package. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.
Functional Features
- Precise voltage regulation
- Fast response time to transient voltage spikes
- Low leakage current
Advantages
- Small form factor
- RoHS compliant
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Voltage tolerance of ±5% may not be suitable for some precision applications
Working Principles
The 1SMA4746HR3G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.
Detailed Application Field Plans
This Zener diode is widely used in various electronic circuits such as voltage regulators, overvoltage protection, and surge suppressors in automotive, industrial, and consumer electronics applications.
Detailed and Complete Alternative Models
- 1N4746A: Similar characteristics and package type
- BZX55C16: Comparable voltage rating and power dissipation
In conclusion, the 1SMA4746HR3G Zener diode offers precise voltage regulation and transient voltage suppression in a compact package, making it suitable for a wide range of electronic applications.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 1SMA4746HR3G i tekniske løsninger
What is 1SMA4746HR3G?
- 1SMA4746HR3G is a high-reliability, surface mount silicon zener diode designed for voltage regulation in various technical solutions.
What is the maximum power dissipation of 1SMA4746HR3G?
- The maximum power dissipation of 1SMA4746HR3G is 1.5 watts.
What is the operating temperature range for 1SMA4746HR3G?
- The operating temperature range for 1SMA4746HR3G is -65°C to +175°C.
What is the reverse standoff voltage of 1SMA4746HR3G?
- The reverse standoff voltage of 1SMA4746HR3G is 43.6V.
What are the typical applications for 1SMA4746HR3G?
- Typical applications for 1SMA4746HR3G include voltage regulation, surge protection, and transient voltage suppression in electronic circuits.
What is the package type of 1SMA4746HR3G?
- 1SMA4746HR3G comes in a DO-214AC (SMA) package.
What are the key features of 1SMA4746HR3G?
- Key features of 1SMA4746HR3G include low leakage current, high reliability, and excellent clamping capability.
What is the forward voltage drop of 1SMA4746HR3G at a specified current?
- The forward voltage drop of 1SMA4746HR3G at a specified current is typically 1.5V.
What are the important considerations when designing with 1SMA4746HR3G?
- Important considerations when designing with 1SMA4746HR3G include thermal management, current limiting, and proper PCB layout for optimal performance.
Where can I find detailed specifications and application notes for 1SMA4746HR3G?
- Detailed specifications and application notes for 1SMA4746HR3G can be found in the product datasheet provided by the manufacturer.