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Name: PDTC114ET/DG/B4,21
Brand: Nexperia USA Inc.
SKU: PDTC114ET/DG/B4,21
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Nexperia USA Inc. PDTC114ET/DG/B4,21

Part No.:: PDTC114ET/DG/B4,21

Manufacturer:: Nexperia USA Inc.

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: PDTC114ET/DG/B4,21.pdf

Description:: TRANS PREBIAS NPN

In Stock:: 3628

Quantity:: Add To Cart

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PDTC114ET/DG/B4,21 Specifications

Packaging:
Tape & Reel (TR)
Series:
Automotive, AEC-Q101
ProductStatus:
Active
TransistorType:
NPN - Pre-Biased
Current-Collector(Ic)(Max):
100 mA
Voltage-CollectorEmitterBreakdown(Max):
50 V
Resistor-Base(R1):
10 kOhms
Resistor-EmitterBase(R2):
10 kOhms
DCCurrentGain(hFE)(Min)@IcVce:
30 @ 5mA, 5V
VceSaturation(Max)@IbIc:
150mV @ 500µA, 10mA
Current-CollectorCutoff(Max):
1µA
Frequency-Transition:
230 MHz
Power-Max:
250 mW
MountingType:
Surface Mount

PDTC114ET/DG/B4,21 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PDTC114ET/DG/B4,21 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PDTC114ET/DG/B4,21 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PDTC114ET/DG/B4,21 information

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PDTC114ET/DG/B4,21 Typical application Circuitry

PDTC114ET DG B4,21

The PDTC114ET/DG/B4,21 is a small-signal NPN transistor chip designed for amplification and switching applications.

Let's explore a specific application scenario, the circuit connection, and the key considerations for using this chip in an audio amplification circuit.

Application Scenario: Audio Amplification Circuit

In this application, we will utilize the PDTC114ET/DG/B4,21 transistor chip to create a simple audio amplification circuit. This circuit will amplify low-level audio signals from a microphone and output them through a speaker.

Circuit Connection:

1. Collector (C, Pin 1): Connect the collector pin to the positive supply voltage (Vcc), typically around 9V, through a current-limiting resistor (R1). This resistor helps control the collector current.

2. Base (B, Pin 2): Connect the base pin to the junction of a coupling capacitor (C1) and a resistor (R2) connected in series. Connect the other end of R2 to the microphone output. Place a bypass capacitor (C2) in parallel with R2 to filter out DC components.

3. Emitter (E, Pin 3): Connect the emitter pin directly to the ground (GND).

4. Speaker Connection: Connect one terminal of the speaker to the collector (C) and the other terminal to the ground (GND).

Key Parameters and Features:

- Collector Current (IC): Ensure that the collector current remains within the specified limits to prevent overheating and damage to the transistor.

- Voltage Ratings: Check the maximum allowable voltage ratings for Vce (Collector-Emitter Voltage) and Vcb (Collector-Base Voltage) to avoid breakdown.

- Gain (hFE): The amplification of the input audio signal is determined by the transistor's current gain. Select the proper resistor values in the base circuit to regulate the base current and, in turn, the gain of the transistor.

- Frequency Response: Consider the transistor's frequency response to ensure it can handle the desired audio frequencies without distortion.

Design Considerations:

1. Biasing: Select resistor values for R1 and R2 to set the transistor's operating point and ensure it remains in the active region for linear amplification.

2. Input Coupling: Use coupling capacitors (C1) to block any DC components from the microphone while allowing AC audio signals to pass.

3. DC Blocking: Employ a bypass capacitor (C2) to block DC components from the base circuit.

4. Speaker Matching: Match the speaker's impedance with the collector resistor and ensure that the transistor can provide enough current to drive the speaker.

5. Signal Levels: Adjust the microphone output level to ensure it falls within the transistor's linear range.

In summary, the PDTC114ET/DG/B4,21 NPN transistor chip can be effectively used in an audio amplification circuit to amplify low-level audio signals from a microphone for output through a speaker. When designing such a circuit, consider biasing, input coupling, DC blocking, speaker matching, and signal levels to achieve optimal performance and faithful audio amplification.

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6. What is the process for return or replacement of PDTC114ET/DG/B4,21?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PDTC114ET/DG/B4,21.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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