Mfr Part #:

2SC945

Mfr Name: NEC

The NEC 2SC945 is a silicon epitaxial planar transistor designed for audio frequency amplification. It features high voltage and current capabilities with low noise.

✓ Total Stock: 7,385 pcs

$ Price Range: $0.99

2SC945 Available from 1 distributor

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✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Fe Components ✓ Non-Authorised Inventory information	7,385 pcs On Request	7385 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

2SC945 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	NEC
Halogen Free	Halogen-free
Lead Spacing	2.54 mm
Noise Figure	10dB
Storage Temperature	-55°C ~ 150°C
Tape & Reel	Tape & Reel

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2SC945 Description

Short technical summary and product information.

The 2SC945 from NEC is a silicon epitaxial planar transistor suitable for various amplification applications, particularly in audio frequency circuits. It offers high voltage and current handling capabilities, along with excellent hFE linearity and low noise characteristics.

Key electrical specifications include a collector-emitter breakdown voltage (VCEO) of 50V and a continuous collector current (IC) of up to 100mA. The transistor exhibits a typical DC current gain (hFE) ranging from 40 to 400 depending on the test conditions. Its transition frequency (fT) reaches 150MHz at VCE=6V and IC=10mA.

Packaged in a compact SOT-23 surface-mount case, the 2SC945 is designed for ease of integration into printed circuit boards. It is supplied in tape and reel packaging with a standard quantity of 3000 units. The device operates within a junction and storage temperature range of -55 to +150°C.

This transistor is RoHS compliant and Halogen-free, making it suitable for environmentally conscious designs.

2SC945 Quick Information

Product Type: Bipolar Transistor

Canonical Name: 2SC945 NPN Transistor

Subcategory: Single, Pre-Biased

2SC945 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

2SC945 Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

2SC945 Features

High voltage and high current capability.
Excellent hFE linearity.
Low noise performance.
RoHS compliant and Halogen-free.
Compact SOT-23 package.

2SC945 Applications

Suitable for audio frequency amplifiers.
Used in high-voltage switching applications.
Ideal for low-noise signal amplification.
Applicable in general-purpose transistor circuits.
Suitable for small-signal switching and amplification.

2SC945 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the collector-emitter breakdown voltage (VCEO) for the 2SC945 transistor?

The collector-emitter breakdown voltage (VCEO) for the 2SC945 transistor is a minimum of 50V.

What is the maximum continuous collector current for the 2SC945 transistor?

The maximum continuous collector current (IC) for the 2SC945 transistor is 100mA.

What is the typical DC current gain (hFE) of the 2SC945 transistor at VCE=6V, IC=1mA?

The typical DC current gain (hFE) of the 2SC945 transistor at VCE=6V and IC=1mA is 130.

What is the transition frequency (fT) of the 2SC945 transistor?

The transition frequency (fT) of the 2SC945 transistor is 150MHz at VCE=6V and IC=10mA.

What package type is the 2SC945 transistor supplied in?

The 2SC945 transistor is supplied in a SOT-23 package.

Is the 2SC945 transistor RoHS compliant?

Yes, the 2SC945 transistor is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the 2SC945 transistor?

The Moisture Sensitivity Level (MSL) for the 2SC945 transistor is 1 Unlimited.