1SMA4745HR3G
Product Overview
Category
The 1SMA4745HR3G belongs to the category of surface mount silicon zener diodes.
Use
It is commonly used for voltage regulation and transient suppression in electronic circuits.
Characteristics
- Voltage regulation
- Transient suppression
- Surface mount design
- High reliability
Package
The 1SMA4745HR3G is typically available in a SOD-123 package.
Essence
This product serves as a crucial component in electronic circuits, providing voltage regulation and protection against transients.
Packaging/Quantity
The 1SMA4745HR3G is usually packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Zener Voltage: 15V
- Power Dissipation: 1.0W
- Operating Temperature Range: -65°C to +150°C
- Forward Voltage: 1.5V
- Reverse Leakage Current: 5µA
Detailed Pin Configuration
The 1SMA4745HR3G typically has two pins, with the anode and cathode connections clearly labeled.
Functional Features
- Precise voltage regulation
- Fast response to transient events
- Compact surface mount design
- High power dissipation capability
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Effective transient suppression
- Small form factor
- Wide operating temperature range
Disadvantages
- Limited power dissipation compared to larger diode packages
- Sensitive to overvoltage conditions
Working Principles
The 1SMA4745HR3G operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when operated in the reverse breakdown region.
Detailed Application Field Plans
The 1SMA4745HR3G finds applications in various electronic systems including: - Voltage regulators - Surge protectors - Power supplies - Communication equipment
Detailed and Complete Alternative Models
- 1N4745A
- BZX85C15
- MMSZ5245B
- P6KE15CA
In conclusion, the 1SMA4745HR3G is a vital component in electronic circuits, providing precise voltage regulation and transient suppression. Its compact design and reliable performance make it suitable for a wide range of applications.
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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق 1SMA4745HR3G في الحلول التقنية
What is 1SMA4745HR3G and what is its application?
- 1SMA4745HR3G is a high-reliability, low-voltage, surface-mount transient voltage suppressor diode. It is commonly used for overvoltage protection in various electronic circuits.
What is the maximum reverse stand-off voltage of 1SMA4745HR3G?
- The maximum reverse stand-off voltage of 1SMA4745HR3G is 45V.
What is the peak pulse power dissipation of 1SMA4745HR3G?
- The peak pulse power dissipation of 1SMA4745HR3G is 400W.
What are the typical applications of 1SMA4745HR3G?
- Typical applications of 1SMA4745HR3G include overvoltage protection in telecommunications equipment, consumer electronics, industrial automation, and automotive systems.
What is the operating temperature range of 1SMA4745HR3G?
- The operating temperature range of 1SMA4745HR3G is -55°C to +150°C.
What is the package type of 1SMA4745HR3G?
- 1SMA4745HR3G is available in a DO-214AC (SMA) package.
Is 1SMA4745HR3G RoHS compliant?
- Yes, 1SMA4745HR3G is RoHS compliant, making it suitable for use in environmentally sensitive applications.
What are the key features of 1SMA4745HR3G?
- Key features of 1SMA4745HR3G include low clamping voltage, fast response time, and high surge capability.
Can 1SMA4745HR3G be used for ESD protection?
- Yes, 1SMA4745HR3G can be used for electrostatic discharge (ESD) protection in sensitive electronic components and circuits.
Are there any recommended layout considerations for using 1SMA4745HR3G in a circuit?
- It is recommended to minimize the length of the traces between the 1SMA4745HR3G and the protected circuitry, and to provide a low-inductance path to ground for optimal performance.