1N4743APE3/TR12 - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage Regulation
- Characteristics: Zener Diode, Low Reverse Leakage, High Stability
- Package: DO-41
- Essence: Regulating voltage in electronic circuits
- Packaging/Quantity: Tape & Reel, 5000 units per reel
Specifications
- Voltage: 13V
- Power Dissipation: 1W
- Zener Impedance: 10Ω
- Operating Temperature: -65°C to +200°C
Detailed Pin Configuration
The 1N4743APE3/TR12 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Provides a constant voltage output when reverse biased
- Protects sensitive components from voltage spikes
- Maintains a stable voltage across the load
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Low reverse leakage current
- High stability over temperature variations
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature changes
Working Principles
The 1N4743APE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate the voltage in electronic circuits.
Detailed Application Field Plans
This diode is commonly used in voltage regulator circuits, surge suppressors, and as a reference element in precision voltage sources. It finds applications in power supplies, instrumentation, and automotive electronics.
Detailed and Complete Alternative Models
- 1N4733A: 5.1V Zener Diode
- 1N4734A: 5.6V Zener Diode
- 1N4735A: 6.2V Zener Diode
- 1N4736A: 6.8V Zener Diode
- 1N4737A: 7.5V Zener Diode
- 1N4738A: 8.2V Zener Diode
- 1N4739A: 9.1V Zener Diode
- 1N4740A: 10V Zener Diode
- 1N4741A: 11V Zener Diode
- 1N4742A: 12V Zener Diode
This comprehensive range of alternative models provides options for different voltage regulation requirements.
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技術ソリューションにおける 1N4743APE3/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 1N4743APE3/TR12?
- The 1N4743APE3/TR12 is a Zener diode with a voltage rating of 13V and a power dissipation of 1W.
What are the typical applications of the 1N4743APE3/TR12?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4743APE3/TR12?
- The maximum current for reliable operation is typically around 40-50 mA.
How does the 1N4743APE3/TR12 provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4743APE3/TR12 be used for overvoltage protection?
- Yes, it can be used to shunt excess voltage and protect sensitive components in a circuit.
What are the key specifications to consider when using the 1N4743APE3/TR12 in a design?
- Voltage rating, power dissipation, and maximum current are critical parameters to evaluate.
Are there any temperature considerations when using the 1N4743APE3/TR12?
- Yes, the operating and storage temperatures should be within the specified range for reliable performance.
Can multiple 1N4743APE3/TR12 diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.
What are some common alternatives to the 1N4743APE3/TR12?
- Other Zener diodes with similar voltage ratings and power dissipation capabilities can be considered as alternatives.
Where can I find detailed application notes for using the 1N4743APE3/TR12 in technical solutions?
- The manufacturer's datasheet and application notes provide comprehensive guidance on incorporating this diode into various circuits.