2SD414
800mA, 80V, NPN, Si, SMALL SIGNAL TRANSISTOR2SD414
800mA, 80V, NPN, Si, SMALL SIGNAL TRANSISTOR
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Manufacturer Part # : 2SD414
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Package/Case: TO126
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Product Categories : Single Bipolar Transistors
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Service & Packaging
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About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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2SD414 DataSheet

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Interested Parts
2SD414 Description
The 2SD414 is a high-performance NPN transistor from NEC, designed for small signal applications in various electronic systems. This device features a high current gain and low noise figure, making it suitable for amplification and switching circuits.
Pin Details
The 2SD414 has three pins: Base (B), Collector (C), and Emitter (E). The base is used to control the flow of current between the collector and emitter.
- B: Base pin
- C: Collector pin
- E: Emitter pin
Features
- High Current Gain: The 2SD414 has a high current gain, making it suitable for amplification and switching circuits.
- Low Noise Figure: This device features a low noise figure, ensuring reliable operation in noisy environments.
- Robust Construction: The 2SD414 is built with robust construction to withstand harsh operating conditions.
Applications
The 2SD414 is commonly used in small signal amplifiers, switching circuits, and other electronic systems where high current gain and low noise figure are required.
Where to Use:
- Audio amplifiers
- Switching circuits
- Data transmission systems
- Industrial control systems
Manufacturer
The 2SD414 is manufactured by NEC, a well-established company in the semiconductor industry.
Packages
The 2SD414 comes in an TO-39 package, making it suitable for surface-mount technology and compact circuit designs.
Equivalent Parts of 2SD414
- 2N3904: A comparable NPN transistor from Fairchild Semiconductor with similar features and performance.
- BC547: An alternative NPN transistor from Philips Semiconductors that offers equivalent functionality.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Obsolete |
ECCN Code | EAR99 | Case Connection | COLLECTOR |
Collector Current-Max (IC) | 0.8 A | Collector-Emitter Voltage-Max | 80 V |
Configuration | SINGLE | DC Current Gain-Min (hFE) | 40 |
JESD-30 Code | R-PSFM-T3 | JESD-609 Code | e0 |
Number of Elements | 1 | Number of Terminals | 3 |
Operating Temperature-Max | 150 °C | Package Body Material | PLASTIC/EPOXY |
Package Shape | RECTANGULAR | Package Style | FLANGE MOUNT |
Polarity/Channel Type | NPN | Power Dissipation-Max (Abs) | 10 W |
Qualification Status ! | Not Qualified | Surface Mount ! | NO |
Terminal Finish | TIN LEAD | Terminal Form ! | THROUGH-HOLE |
Terminal Position | SINGLE | Transistor Application | AMPLIFIER |
Transistor Element Material | SILICON | Transition Frequency-Nom (fT) | 70 MHz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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