What is 2SC1345?


This is Silicon NPN Epitaxial.

A NPN transistor is a type of bipolar junction transistor (BJT) that consists of two p-type semiconductor materials separated by a single n-type material.
The NPN transistor is used to amplify or switch electronic signals and is widely used in many electronic circuits. It works by controlling the current flow between the collector and emitter terminals through the base terminal.


[PDF] Complete Technical Details can be found in the 2SC1345 datasheet provided at this page.

Summary in PDF File


2SC1345 K Silicon NPN Epitaxial Application Low frequency low noise amplifier Outline TO 92 1 1 Emitter 2 Collector 3 Base 3 2 1 2SC1345 K Absolute Maximum Ratings Ta 25 C Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg Ratings 55 50 5 100 200 150 55 to 150 Unit V V V mA mW C C Electrical Characteristics Ta 25 C Item Collector to base breakdown voltage Symbol V BR CBO Min 55 50 5 1 Typ 2 3 230 Max 0 5 0 5 1200 0 75 0 5 3 5 8 1 Unit V V V A A Test conditions I C 10 A IE 0 I C 1 mA RBE I E 10 A IC 0 VCB 18 V IE 0 VEB 2 V IC 0 VCE 12 V IC 2 mA Collector to emitter breakdown V BR CEO voltage Emitter to base breakdown voltage Collector cutoff current Emitter cutoff current DC current transfer ratio Base to emitter voltage Collector to emitter saturation voltage Collector output capacitance Gain bandwidth product Noise figure V BR EBO I CBO I EBO hFE VBE VCE sat Cob fT NF 250 V V pF MHz dB dB VCE 12 V IC 2 mA I C 10 mA IB 1 mA VCB

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[ Detailed Data ]


Characteristics of NPN Transistors

1. Bipolar Junction: NPN transistors are bipolar junction transistors (BJT), meaning they have a structure consisting of three regions of alternating P-type and N-type semiconductors.

2. Current Amplification: NPN transistors are designed to amplify electrical current, and can be used in a wide range of electronic applications such as amplifiers, switches, and oscillators.

3. Forward Biased: In order to operate, the base-emitter junction of an NPN transistor must be forward biased, meaning that the base must be connected to a positive voltage relative to the emitter.

4. High Input Impedance: NPN transistors have a high input impedance, which means that they are less likely to draw current from the input source, and are therefore less likely to cause a drop in voltage across the source.

5. Inverted Output: NPN transistors are known for producing an inverted output relative to their input.

Manufacturers : Hitachi Semiconductor

HITACHI - 2SC1345 Datasheet PDF

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Silicon NPN Epitaxial

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