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2N4045 The Intersil 2N4045 is an NPN silicon planar transistor designed for general-purpose amplification. It features a TO-78 package.
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2N4045

Available from 1 distributors
Mfr Name: Intersil
Intersil
The Intersil 2N4045 is an NPN silicon planar transistor designed for general-purpose amplification. It features a TO-78 package.
✓ Total Stock: 2 pcs
$ Price Range: $0.09

2N4045 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
2 pcs
On Request
2 pcs On Request 1 On Request On Request On Request On Request On Request
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2N4045 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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2N4045 Description

Short technical summary and product information.

The Intersil 2N4045 is a small signal bipolar transistor of NPN type, constructed from silicon. It is housed in a TO-78 package and is suitable for general-purpose amplification applications.

 

Key electrical characteristics include a collector current (I(C)) of up to 0.01A and a collector-emitter breakdown voltage (V(BR)CEO) of 45V. The transistor also exhibits a typical output capacitance (C0uo) of 200 pF at 10V. Its silicon planar construction contributes to its performance characteristics.

 

This component is designed for through-hole mounting. The 2N4045 is a reliable choice for engineers seeking a standard NPN transistor for various electronic circuits.

2N4045 Quick Information

Product Type: Bipolar Transistor
Canonical Name: 2N4045 NPN Silicon Planar Transistor
Subcategory: Single

2N4045 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

2N4045 Estimated Pricing

Qty Low High
1+ $0.09 $0.09

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

2N4045 Features

  • NPN silicon planar transistor.
  • 45V collector-emitter breakdown voltage.
  • 0.01A maximum collector current.
  • TO-78 package for through-hole mounting.
  • Typical 200pF output capacitance.

2N4045 Applications

  • Suitable for low current amplifier circuits.
  • Used in general purpose switching applications.
  • Ideal for signal processing in audio equipment.
  • Commonly found in industrial control systems.
  • Applicable in low power analog circuits.

2N4045 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the package/case of the 2N4045?

TO-78.

What is the maximum collector current?

0.01 A (10 mA).

What is the collector-emitter breakdown voltage?

Minimum 45 V.

What type of semiconductor is the 2N4045?

NPN silicon.

What is the output capacitance?

200 pF at 10 V.

What is the mounting type?

Through hole.

2N4045 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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BD649
BD649
NXP Semiconductors
The BD649 is an NPN Darlington power transistor from NXP Semiconductors. It offers a high current gain and a 100V collector-emitter breakdown voltage.
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