1N957B
Product Overview
Category
The 1N957B is a silicon Zener diode.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Forward Voltage: 1.2V
- Reverse Voltage: 6.8V
- Power Dissipation: 500mW
- Operating Temperature: -65°C to +200°C
Package
The 1N957B is typically available in a DO-35 glass package.
Packaging/Quantity
It is often sold in reels or tubes containing multiple units, with quantities varying based on supplier and customer requirements.
Specifications
- Zener Voltage: 6.8V
- Tolerance: ±5%
- Maximum Reverse Leakage Current: 5μA
- Maximum Zener Impedance: 40Ω
Detailed Pin Configuration
The 1N957B has two pins, with the cathode identified by a band around one end of the diode.
Functional Features
The 1N957B provides a stable voltage reference and protects circuits from overvoltage conditions by conducting when the voltage across it exceeds its specified breakdown voltage.
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Relatively low maximum reverse leakage current tolerance
Working Principles
When the voltage across the 1N957B exceeds its Zener voltage, it begins to conduct, effectively clamping the voltage to its rated value.
Detailed Application Field Plans
The 1N957B is commonly used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N957B include: - 1N746A - 1N4736A - BZX55C6V8
In conclusion, the 1N957B is a silicon Zener diode that finds widespread use in voltage regulation and protection applications due to its precise voltage reference and compact size. While it offers advantages such as stable voltage regulation and wide operating temperature range, it has limitations in terms of power dissipation capability and maximum reverse leakage current tolerance. Understanding its specifications, pin configuration, functional features, and alternative models is essential for effective utilization in electronic circuits.
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What is the 1N957B diode used for?
- The 1N957B diode is commonly used for voltage regulation and protection in electronic circuits.
What is the maximum forward current of the 1N957B diode?
- The maximum forward current of the 1N957B diode is typically around 200 mA.
What is the reverse voltage rating of the 1N957B diode?
- The 1N957B diode has a reverse voltage rating of 6.8 volts.
Can the 1N957B diode be used for rectification purposes?
- Yes, the 1N957B diode can be used for low-power rectification applications.
What is the typical junction capacitance of the 1N957B diode?
- The typical junction capacitance of the 1N957B diode is around 15 pF.
Is the 1N957B diode suitable for high-frequency applications?
- The 1N957B diode is not typically recommended for high-frequency applications due to its relatively high junction capacitance.
What are some common applications of the 1N957B diode?
- Common applications of the 1N957B diode include voltage clamping, overvoltage protection, and general-purpose diode applications.
What is the temperature range for the 1N957B diode?
- The 1N957B diode is typically rated for operation within a temperature range of -65°C to 175°C.
Can the 1N957B diode be used in automotive electronics?
- Yes, the 1N957B diode can be used in certain automotive electronic applications, particularly those involving low-voltage regulation and protection.
Are there any specific considerations for using the 1N957B diode in battery-powered devices?
- When using the 1N957B diode in battery-powered devices, it's important to consider its forward voltage drop and power dissipation to ensure efficient utilization of the available power source.