| Allicdata Part #: | 2N3442CS-ND |
| Manufacturer Part#: |
2N3442 |
| Price: | $ 4.89 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Central Semiconductor Corp |
| Short Description: | TRANS NPN 140V 10A TO-3 |
| More Detail: | Bipolar (BJT) Transistor NPN 140V 10A 80kHz 117W T... |
| DataSheet: |  2N3442 Datasheet/PDF |
| Quantity: | 35 |
| 1 +: | $ 4.44780 |
| 20 +: | $ 3.96900 |
| 40 +: | $ 3.57210 |
| 100 +: | $ 3.25458 |
| 260 +: | $ 2.93706 |
| 500 +: | $ 2.63542 |
| 1000 +: | $ 2.22264 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Transistor Type: | NPN |
| Current - Collector (Ic) (Max): | 10A |
| Voltage - Collector Emitter Breakdown (Max): | 140V |
| Vce Saturation (Max) @ Ib, Ic: | 5V @ 2A, 10A |
| Current - Collector Cutoff (Max): | 200mA |
| DC Current Gain (hFE) (Min) @ Ic, Vce: | 20 @ 3A, 4V |
| Power - Max: | 117W |
| Frequency - Transition: | 80kHz |
| Operating Temperature: | -65°C ~ 200°C (TJ) |
| Mounting Type: | Through Hole |
| Package / Case: | TO-204AA, TO-3 |
| Supplier Device Package: | TO-3 |
Description
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2N3442 Transistor is one of the most common types of transistor used in various applications. It is a single Bipolar Junction Transistor (BJT) with a PNP (positive-negative-positive) characteristic. It was created to be used in low-power circuits and its low-voltage feature is suitable for this purpose. It is commonly used in amplifier and switching circuits.This transistor is manufactured with a collector-base breakdown voltage (BVCBO) of 40 volts and a collector-emitter breakdown voltage (BVCEO) of 40 volts with a collector current of 300mA. The collector-emitter voltage (VCE) needed to operate is typically 4V. The base-emitter cutoff voltage (BVEBO) is 9V while the current gain (β) rating is typically 160. The maximum power dissipation (PD) rating is .625 watts, and the maximum operating temperature is calculated at 100° C.The working principle of the 2N3442 transistor is straightforward. It does its job by allowing or blocking current flow from the collector to emitter. When current flows through this transistor, it is regulated by voltage differences between the emitter and base. When a small current enters the base, it emits electrons which activate the base-emitter P-N junction. These electrons cause conduction between the collector and emitter while the voltage difference is maintained between these parts.In this type of transistor, an electrically neutral region is formed between the base and collector by the injection of electrons. This is known as the depletion region. The base-emitter P-N junction is very sensitive to current, and any changes in current can cause the transistor to switch on or off. In this way, the 2N3442 facilitates the operation of various circuits.A basic 2N3442 BJT application uses this transistor in a common-emitter circuit configuration. The 2N3442 is connected to an input signal source and an output load. When the input signal voltage raises, it causes electrons to be injected into the base. This activates the base-emitter P-N Junction, which in turn closes the current gap between the emitter and collector. As a result, the current passes through to the load and produces an output signal.The 2N3442 transistor is an essential and versatile device used in many electronic applications. It is commonly used in audio amplifiers, switching circuits, and logic controllers. It is also used as a switch in controlling and limiting the power level of electrical devices by regulating the current flow between the collector and emitter. This device also performs noise immunity and signal detection functions in radio frequency applications. Its general-purpose features make it a device of choice for a broad range of applications.
The specific data is subject to PDF, and the above content is for reference
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