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Utsource certified used parts
Utsource certified used parts provide the following guarantees:
1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
2. Some parts are tested by machine.
3. Utsource certified parts can be returned and refunded unconditionally within 60 days.
Description
NPN LOW POWER SILICON TRANSISTOR
All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
● STMicroelectronics PREFERRED SALESTYPES
● NPN TRANSISTOR
DESCRIPTION
The 2N3439 and 2N3440 are silicon epitaxial planar NPN transistors in jedec TO-39 metal case designed for use in consumer and industrial line-operated applications.
These devices are particularly suited as drivers in high-voltage low current inverters, switching and series regulators.
Preview of the first 3 pages of the data sheet
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.80048 | US $1.62043 | US $1.62043 |
| ≥5: | US $1.20032 | US $1.08029 | US $5.40145 |
| ≥10: | US $1.08029 | US $0.97226 | US $9.72260 |
| ≥20: | US $1.05028 | US $0.94525 | US $18.90500 |
| ≥50: | US $1.02027 | US $0.91824 | US $45.91200 |
| ≥100: | US $0.99026 | US $0.89123 | US $89.12300 |
| ≥200: | US $0.96026 | US $0.86423 | US $172.84600 |
| ≥500: | US $0.94825 | US $0.85343 | US $426.71500 |
| ≥1000: | US $0.93025 | US $0.83722 | US $837.22000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| 2N3904 | NPN silicon transistor used for general-purpose switching and amplification applications. |
| BC547 | NPN silicon transistor suitable for low-power amplification and switching circuits. |
| 2SC1815 | NPN silicon transistor designed for high-frequency and high-speed switching applications. |
| MPS2222A | NPN silicon transistor commonly used in analog and digital circuits for amplification and switching. |
Product Usage
The 2N3440 is a general-purpose NPN silicon transistor commonly used in a variety of electronic circuits. Here are some typical applications where you might find the 2N3440:
Amplifier Circuits:
Switching Circuits:
Voltage Regulators:
Oscillator Circuits:
Logic Level Shifting:
Protection Circuits:
Transistor Pairs:
Educational and Hobby Projects:
If you have a specific application or circuit in mind, feel free to provide more details, and I can offer more tailored information!
Global Logistics Country List
| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returning
Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
Defective ( Please provide a third party quality report of nonconforming products)
Return Freight charges must be prepaid; we will not accept COD shipments.
Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
2N3440
2N3440 has several brands around the world that may have alternate names for 2N3440 due to regional differences or acquisition. 2N3440 may also be known as the following names:
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Stock Status: 10000
Minimum: 2
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Unit Price:1.80048 Price comparison
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