Features & Benefits
- Brand new and high quality
- Containts 4 pairs or 8 pieces
- Encapsulation to-3P
- Size: 40.5mm x 15.5mm x 4.5mm
- Random part number selection
- Compare original item with photos to ensure correct purchase
- Home Page /
- Industrial Supplies /
- Industrial Electrical /
- Semiconductor Products /
- Transistors /
- BJT /
- 4Pcs B688 + 4Pcs D718 to-3P Silicon PNP Power...
0 ratings
Item #:
33272609
4Pcs B688 + 4Pcs D718 to-3P Silicon PNP Power Transistors 2SB688 + 2SD718 | Substitute for 2SB688-O/2SD718-O
Item #:
33272609
JMD 2751
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 28
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
100% brand new and high quality electrical components
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
High Power Handling
Designed for robust performance, these transistors support high current and voltage applications, ensuring reliability in demanding electronic devices.
Enhanced Switching Speed
The 2SB688 and 2SD718 transistors feature improved switching capabilities, making them ideal for high-frequency operations in various circuits.
Complementary Pairing
Offering a complementary configuration, these transistors enable balanced circuit designs, enhancing overall operational efficiency in power applications.
Product Details
| Package Dimensions | 3.62 x 3.54 x 0.16 inches (9.2 x 9 x 0.4 cm) |
| Item Weight | 0.353 ounces (10.01 grams) |
| Manufacturer | Todiys |
| Item model number | B688 2SB688 2SB688-O D718 2SD718 |
| Is Discontinued By Manufacturer | No |
| Date First Available | June 27, 2020 |
Who Should Buy?
-
Electronics Enthusiasts
Perfect for hobbyists building amplifiers or circuits requiring PNP power transistors with specific performance characteristics.
-
Repair Technicians
Ideal for technicians needing reliable replacement transistors in audio equipment or similar devices.
-
DIY Projects
Suitable for DIY electronics projects where high-quality transistors can enhance circuit performance.
-
Beginner Users
Not suitable for novices without understanding transistor specifications and circuit implementations.
Product Description
4Pcs B688 + 4Pcs D718 to-3P Silicon PNP Power Transistors 2SB688 + 2SD718 | Substitute for 2SB688-O/2SD718-O
About This Item
Introducing the Todiys New 4Pair for 4Pcs B688 2SB688 4Pcs D718 2SD718 to-3P Silicon PNP Power Transistors, a must-have component for all your electronic projects. Whether you're a hobbyist, an electronics enthusiast, or a professional, these power transistors are designed to deliver reliable performance and exceptional quality. With Todiys B688 power transistors and Todiys D718 power transistors, you can trust that your circuits will run smoothly and efficiently. These transistors are made of high-quality materials, ensuring durability and longevity.
They are also designed to handle high power applications, making them perfect for amplifiers, power supplies, and other electronic devices. What sets these power transistors apart is their compatibility with the 2SB688-O and 2SD718-O models. This means that you can easily replace old or faulty transistors with these new ones without any hassle. Plus, with 4 pairs included in this package, you'll have plenty of replacements on hand for future projects or repairs. As a trusted Todiys transistor supplier, we strive to provide our customers with the best products at the best prices.
When you buy Todiys power transistors from us, you can rest assured that you're getting top-notch quality while saving money. We offer competitive prices, making these power transistors affordable for everyone. Shop with confidence at our online store, where you'll find a wide range of Todiys transistors for sale. We are a Todiys transistor wholesale and retailer, offering our customers the convenience of browsing and purchasing from one reliable source.
We work closely with Todiys, a renowned transistor manufacturer, to bring you the latest and most reliable products in the market. Don't miss out on these high-quality Todiys power transistors. Order yours today and experience the difference they can make in your electronic projects. Hurry and take advantage of our affordable prices and excellent customer service.
Upgrade your circuits with Todiys power transistors and enjoy optimal performance and efficiency.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the specifications of the New 4Pair for 4Pcs B688 2SB688 and 4Pcs D718 2SD718 transistors?
Answer: The New 4Pair consists of 4Pcs B688 (2SB688-O) and 4Pcs D718 (2SD718-O) silicon PNP power transistors. The B688 is designed for medium-power applications with a maximum collector current of 3A and a collector-emitter voltage of 60V. The D718, on the other hand, can handle a collector current of 8A with a collector-emitter voltage rating of 100V, making them ideal for both amplification and switching applications in various circuits. -
Question:
What applications are suitable for using the B688 and D718 power transistors?
Answer: The B688 and D718 transistors are suitable for a variety of applications, including audio amplifiers, switching power supplies, and motor control circuits. Their ability to handle significant current allows them to function effectively in high-power scenarios, making them ideal for robotics and automotive electronics, where reliable performance is crucial. Implementing these transistors can enhance circuit efficiency and performance in your projects. -
Question:
How can I ensure proper performance of the B688 and D718 transistors in my circuit design?
Answer: To ensure proper performance of the B688 and D718 transistors in your circuit, it's vital to operate within their specified limits. Use appropriate biasing techniques to prevent thermal runaway and enhance stability. Additionally, heat sinks may be necessary for higher load demands to dissipate heat effectively. This practice not only prolongs the life of the transistors but also maintains optimal performance in various applications. -
Question:
Can these transistors replace other commonly used power transistors?
Answer: Yes, the B688 and D718 transistors can potentially replace other PNP transistors with similar or compatible specifications in your circuit. It's essential to check the datasheets for replacement compatibility while keeping an eye on the maximum voltage and current ratings to ensure the substitute transistors can handle your application needs effectively. -
Question:
What are the key benefits of using silicon power transistors like B688 and D718?
Answer: Silicon power transistors like the B688 and D718 offer several benefits, including high efficiency and reliability in switching and amplification applications. They feature a robust thermal performance, ensuring they can operate under high temperatures without failure. Additionally, their relatively low noise levels make them suitable for audio applications, maintaining sound quality in amplifiers or similar circuits. -
Question:
What is the difference between using PNP and NPN transistors in a circuit?
Answer: The key difference between PNP and NPN transistors lies in their current flow directions and biasing methods. In a PNP transistor like the B688, current flows from the emitter to the collector, while in an NPN transistor, current flows from collector to emitter. Depending on your application requirements, selecting the right type is crucial; for instance, PNP transistors are often chosen for high-side switching while NPN is preferred for low-side applications. -
Question:
Are there any recommended configurations for the B688 and D718 transistors?
Answer: The recommended configurations for the B688 and D718 transistors typically include common emitter or common collector setups depending on the desired amplification or switching characteristics. In a common emitter configuration, they can provide significant gain and phase inversion, while common collector can help achieve a unity gain scenario. These configurations allow for flexibility in circuit design based on specific application needs. -
Question:
What should I consider when selecting a heat sink for these transistors?
Answer: When selecting a heat sink for the B688 and D718 transistors, consider the thermal resistance and dimensions based on your circuit’s power dissipation. It's important to calculate the expected thermal load by analyzing the maximum current and voltage in your application. A well-designed heat sink will help maintain operational efficiency and prolong transistor lifespan, especially under high load conditions. -
Question:
Is there a specific performance testing method for these power transistors?
Answer: To test the performance of the B688 and D718 power transistors, you can use a multimeter to check the current gain (hFE) and ensure it operates correctly under specified collector-emitter and base-emitter voltages. Additionally, using an oscilloscope may help analyze signal integrity in switching applications, ensuring they meet the required performance standards in your projects. -
Question:
Where can I buy New 4Pair for 4Pcs B688 2SB688 and 4Pcs D718 2SD718 to-3P Silicon PNP Power Transistors in Jamaica?
Answer: You can buy the New 4Pair for 4Pcs B688 2SB688 and 4Pcs D718 2SD718 to-3P Silicon PNP Power Transistors from Ubuy in Jamaica. Ubuy offers a wide variety of electronic components, ensuring that you can find the specific transistors you need for your projects and applications, backed by reliable service and support.
Todiys BJT B688 2SB688 2SB688-O D718 2SD718 Editorial Review
The Todiys New 4Pair for 4Pcs B688 2SB688 4Pcs D718 2SD718 to-3P Silicon PNP Power Transistors have received positive feedback from customers. Users have commented that these transistors worked perfectly and without any issues. One customer even used them as drivers for a reel to reel motor and reported that they performed flawlessly. Another customer mentioned that they used these transistors in their Construction project and had no problems after soldering them. One user had accidentally damaged their car audio amplifier, but after replacing the B688 and D718 components with these transistors, the amplifier started working perfectly again. Overall, customers have found that these transistors functioned as advertised and provided a satisfactory performance.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Perfect fit for reel to reel motor driver application
- Performs well after soldering
- Effective in replacing damaged components in a car audio amplifier
Cons
- No negative feedback was given about the product
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
JMD 2751
Order now and get it around Friday, August 28
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.