DTC143EET1G Allicdata Electronics

DTC143EET1G Discrete Semiconductor Products

Allicdata Part #:

DTC143EET1GOSTR-ND

Manufacturer Part#:

DTC143EET1G

Price: $ 0.01
Product Category:

Discrete Semiconductor Products

Manufacturer: ON Semiconductor
Short Description: TRANS PREBIAS NPN 0.2W SC75
More Detail: Pre-Biased Bipolar Transistor (BJT) NPN - Pre-Bias...
DataSheet: DTC143EET1G datasheetDTC143EET1G Datasheet/PDF
Quantity: 6000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: $ 0.01000
10 +: $ 0.00970
100 +: $ 0.00950
1000 +: $ 0.00930
10000 +: $ 0.00900
Stock 6000Can Ship Immediately
$ 0.01
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Transistor Type: NPN - Pre-Biased
Current - Collector (Ic) (Max): 100mA
Voltage - Collector Emitter Breakdown (Max): 50V
Resistor - Base (R1): 4.7 kOhms
Resistor - Emitter Base (R2): 4.7 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce: 15 @ 5mA, 10V
Vce Saturation (Max) @ Ib, Ic: 250mV @ 1mA, 10mA
Current - Collector Cutoff (Max): 500nA
Power - Max: 200mW
Mounting Type: Surface Mount
Package / Case: SC-75, SOT-416
Supplier Device Package: SC-75, SOT-416
Base Part Number: DTC143
Description

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DTC143EET1G is a NPN-transistor that is pre-biased and single-package. It is fabricated using Diffused Transistor Technology (DTT), which allows for improved design flexibility and excellent performance in numerous contexts. This article will explain the uses of DTC143EET1G and its working principle.

Application Field

The DTC143EET1G can be used in a wide variety of applications, such as driving small to medium-sized loads, logic circuits, signal conditioning, motor speed regulation, and linear amplification. Additionally, it is well-suited for logic level interfaces, low-side switching, and high-side switching applications such as lamp loads, HVAC equipment, and home appliances. It can also be used as a switch in audio/video equipment, set top boxes, and cellular phones.

The transistor is often used in switch-mode power supplies, since its pre-biased characteristic makes the switching process more efficient. Its low turn-on voltage makes it ideal for use with microcontrollers or PWM controllers, and its on-state characteristics are similar to that of a MOSFET. Finally, the transistor is well-suited for military and aeronautical applications, due to its ability to withstand extreme temperature ranges.

Working Principle

The DTC143EET1G is a three-layer device, consisting of a collector, base, and emitter. The device is pre-biased at the collector, which allows the collector-base junction to remain reverse-biased even when the base-emitter junction is forward-biased. This eliminates the requirement for a separate bias resistor and reduces power losses due to biasing, which improves efficiency and reduces power dissipation.

When the base-emitter junction of the transistor is forward-biased, a small current (in the order of microamps) flows into the base, allowing a larger current to flow between the collector and emitter. This larger current is controlled by the current flowing through the base-emitter junction, making the device a current amplifier. The gain of the amplifier is defined as the ratio between the collector current and the base intaking current, where typically values are in the range of 500-1000.

The output of the device can be either saturated or cut-off (non-saturated). In saturated operation, the collector voltage is at or near the supply voltage because the collector current is at its maximum (saturation). In this state, the transistor can be used as a switch. However, when the base-emitter voltage is below a certain threshold voltage (cut-off voltage), the collector current is near zero and the transistor is turned off. In this state, it can be used as an amplifier.

The DTC143EET1G is an ideal low- to moderate-power transistor suitable for a variety of applications due to its pre-biased operation and excellent performance characteristics. Its on-state characteristics make it especially useful for driving small to medium-sized loads, and its ability to operate at extreme temperatures makes it well-suited for military and aerospace applications.

The specific data is subject to PDF, and the above content is for reference

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