
( Brand: Motorola ), ( Manufacturer Part Number: SRF3520H ), ( Country/region Of Manufacture: United States )
The RF Power NPN Transistor SM-B-745775-3, specifically the SRF3520H CD1820 NOS (New Old Stock), is a high-performance component that is highly sought after in various RF applications. This transistor is manufactured by Motorola, a renowned name in the electronics industry, and is known for its reliability and durability.
The SRF3520H is a surface mount NPN transistor that operates within a frequency range of 2 to 18 GHz. It is designed to handle high power levels, making it an ideal choice for applications such as amplifiers, mixers, and oscillators in wireless communication systems. The CD1820 NOS variant of this transistor is particularly interesting for hobbyists and electronics enthusiasts, as it offers the unique advantage of utilizing a component that is not only new but also retains the vintage charm of a bygone era.
The SM-B-745775-3 Motorola RF Power NPN Transistor boasts a high power gain of over 10 dB and a maximum power output of 15 Watts at 1 GHz. Its low noise figure of less than 1.5 dB ensures minimal signal degradation, making it an excellent choice for applications where signal integrity is paramount.
The transistor's small size and surface mount form factor make it easy to integrate into compact circuits, saving on board space and reducing overall system weight. Its high input and output impedances further enhance its versatility, allowing it to be used in a wide range of RF circuits.
In conclusion, the RF Power NPN Transistor SM-B-745775-3, SRF3520H CD1820 NOS (New Old Stock) from Motorola is a high-performance component that combines reliability, durability, and versatility in a compact, surface mount form factor. It is an excellent choice for RF applications that require high power handling, high gain, and low noise figures, making it an invaluable asset in the world of wireless communication systems.
RF Power NPN Transistors are often used in radio frequency applications due to their ability to handle high power and frequency levels. The specific transistors you mentioned, SM-B-745775-3 (SRF3520H), CD1820, and SM--745775-3 (Motorola), are all NPN devices designed for high frequency operation.
Pros of buying these transistors:1. High Power Handling: These transistors are capable of handling high power levels, making them suitable for applications that require high power output.
2. High Frequency Operation: They are designed to operate at high frequencies, which is beneficial for applications such as radio frequency amplifiers, microwave communications, and satellite communications.
3. Availability of Datasheets: Datasheets are readily available for these transistors, providing detailed information about their electrical characteristics, operating conditions, and application examples.
4. Reputable Manufacturers: The brands listed (Motorola, SRF, and CD) are reputable and well-established in the electronics industry, ensuring quality and reliability.
Cons of buying these transistors:1. Cost: Due to their high performance capabilities, RF power NPN transistors can be more expensive than their lower frequency counterparts.
2. Requires Specific Knowledge: Proper use of RF power NPN transistors requires a good understanding of RF circuit design, which may not be readily available to all users.
3. Limited Sources: The availability of these transistors may be limited, especially when sourcing from smaller distributors or local retailers.
Conclusion:The SM-B-745775-3 (SRF3520H), CD1820, and SM--745775-3 (Motorola) RF power NPN transistors offer high power handling and high frequency operation, making them suitable for radio frequency applications. However, their cost and the need for specific knowledge and resources to use them effectively should be considered. If you have the required knowledge and budget, these transistors can be a valuable addition to your electronics toolkit.
Recommendation:If you are new to RF power NPN transistors, consider starting with lower frequency devices or simpler applications to gain experience before moving on to more complex and expensive RF power NPN transistors like the SM-B-745775-3 (SRF3520H), CD1820, and SM--745775-3 (Motorola). This will help you understand the basics of RF circuit design and gain confidence in using these devices effectively.
Quantity of 1 Motorola SRF3520H CD1820 sm b npn rf power transistor nos. The specs you see in the pictures are from a drawing from Cincinnati electronics and was last revised in. They did come to me in original manufacturers Styrofoam packaging so I am assuming that they are new.
Powered by. Two are shown in the picture only for clarity. Due to my having no control over what you do with them after you receive them, I will not take returns or offer any refunds on these items. The sm b number is actually a drawing number. Please take all this into consideration when buying. The case styles I have listed are based on measurements I took and compared to a Motorola selection guide, not specific specs that I was able to find. They do check out as npn and that also agrees with what I was able to find online. We always combine shipping. The information I have stated here is to the best of my knowledge and these transistors have not been tested. part #:sm-b-745775-3 prices Specs: Brand: Motorola MPN: SRF3520H Country/Region of Manufacture: USA Shipping: type: Flat cost: $2.5 handling: 1 days to: Worldwide Ratings: Immediate shipping. Thank you. 04-04-15 Item as described, fast delivery! 04-04-15 Offer: # Sold: 0 quantity: 230 # bids: 0 sm-b-745775-3 price: $12.00 USD best offer: false Started: April 4, 2015, 4:55 pm Returns: policy: no returns Payments: PayPal Seller: city: Clarkson, Kentucky zipcode: 42726 General: Consumer Electronics > Radio Communication > Parts & Accessories > Other in stock: Yes condition: New other see detailsThe sm b number is actually a drawing number.
The case styles I have listed are based on measurements I took and compared to a Motorola selection guide, not specific specs that I was able to find.
The information I have stated here is to the best of my knowledge and these transistors have not been tested.