1N4740P/TR12

Product Overview

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

Zener voltage: 10V
Power dissipation: 1.0W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Packaging/Quantity: Tape & Reel (TR) with 5000 units per reel

Specifications

Zener voltage: 10V
Power dissipation: 1.0W
Maximum forward voltage: 1.5V
Reverse current: 5μA
Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4740P/TR12 has two pins, anode, and cathode. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

The 1N4740P/TR12 provides a constant voltage output when it is operated in the reverse breakdown region.

Advantages

Precise voltage regulation
Compact size
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Sensitivity to temperature changes

Working Principles

The 1N4740P/TR12 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when it is reverse-biased and operated at or above its breakdown voltage.

Detailed Application Field Plans

Voltage Regulation

The 1N4740P/TR12 can be used in voltage regulator circuits to maintain a stable output voltage despite variations in input voltage or load conditions.

Voltage Reference

It can serve as a stable voltage reference in various electronic circuits, ensuring consistent performance over a wide range of operating conditions.

Detailed and Complete Alternative Models

1N4739A: Zener voltage of 9.1V
1N4741A: Zener voltage of 11V
BZX55C10: Zener voltage of 10V

In conclusion, the 1N4740P/TR12 Zener diode is a reliable component for voltage regulation and reference applications, offering precise voltage control and stability within a compact package. While it has limitations in power dissipation and temperature sensitivity, its functional features and wide application field plans make it a valuable component in various electronic circuits.

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技術ソリューションにおける 1N4740P/TR12 の適用に関連する 10 件の一般的な質問と回答をリストします。

What is the 1N4740P/TR12 diode used for?
- The 1N4740P/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4740P/TR12 diode?
- The 1N4740P/TR12 has a nominal voltage of 10 volts, making it suitable for applications requiring a stable 10V reference voltage.
Can the 1N4740P/TR12 be used for overvoltage protection?
- Yes, the 1N4740P/TR12 can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What are the typical applications of the 1N4740P/TR12 diode?
- Typical applications include voltage regulation in power supplies, voltage reference circuits, and overvoltage protection in various electronic devices.
What is the maximum power dissipation of the 1N4740P/TR12 diode?
- The 1N4740P/TR12 has a maximum power dissipation of 1 watt, allowing it to handle moderate power levels in circuit applications.
Is the 1N4740P/TR12 polarity sensitive?
- Yes, the 1N4740P/TR12 is polarity sensitive and must be connected in the correct orientation to function properly.
Can multiple 1N4740P/TR12 diodes be connected in series or parallel?
- Yes, multiple 1N4740P/TR12 diodes can be connected in series to create higher voltage references or in parallel to increase current-handling capability.
What is the temperature coefficient of the 1N4740P/TR12 diode?
- The temperature coefficient of the 1N4740P/TR12 is typically around -2 mV/°C, indicating its stability over a range of temperatures.
Does the 1N4740P/TR12 require a heatsink in high-power applications?
- In high-power applications, a heatsink may be necessary to dissipate heat and ensure the diode operates within its temperature limits.
Are there any common failure modes or issues associated with the 1N4740P/TR12 diode?
- Common issues include exceeding the maximum power dissipation, reverse voltage breakdown, and thermal overstress, so proper design and usage are important for reliable operation.