2SD687
Trans Darlington NPN 40V 3A 25000mW 3-Pin(3+Tab) TO-220AB
Inventory:4,999
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Part Number : 2SD687
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Package/Case : TO-220AB-3
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Manufacturer : TOSHIBA
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Components Classification : Single Bipolar Transistors
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Datesheet : 2SD687 DataSheet (PDF)
Overview of 2SD687
The 2SD687 is a power bipolar transistor optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching.
Pinout
The 2SD687 pinout refers to the configuration and function of each pin in its TO-220AB-3 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the 2SD687 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Trans Darlington NPN: The 2SD687 is a Darlington NPN transistor, offering high current gain and low input impedance.
- 40V Operating Voltage: This transistor can operate at up to 40 volts, making it suitable for a wide range of applications.
- 3A Current Rating: The 2SD687 has a current rating of 3 amps, allowing it to handle moderate power demands.
- 25000mW Power Dissipation: This transistor can dissipate up to 25 watts of power, making it suitable for applications that require high power handling.
- TO-220AB-3 Package: The 2SD687 is packaged in a TO-220AB-3 package, which provides a compact and reliable form factor.
Applications
- Analog Signal Switching: The 2SD687 can be used to switch analog signals in applications such as audio amplifiers and filters.
- Digital Signal Switching: This transistor can also be used to switch digital signals in applications such as logic gates and counters.
Advantages and Disadvantages
Advantages
- High Current Gain: The 2SD687's Darlington NPN configuration provides high current gain, making it suitable for applications that require high output currents.
- Low Input Impedance: This transistor has low input impedance, which makes it suitable for applications where the input signal is weak or noisy.
Disadvantages
- Sensitivity to Overvoltage: The 2SD687 can be damaged by overvoltage, so it must be used within its rated voltage range.
Equivalents
For similar functionalities, consider these alternatives to the 2SD687:
- 2N3906: This transistor has a similar configuration and performance characteristics to the 2SD687.
- BC557: The BC557 is another Darlington NPN transistor that can be used as an alternative to the 2SD687.
Frequently Asked Questions
Q: What is the maximum operating voltage for the 2SD687?
A: The maximum operating voltage for the 2SD687 is 40 volts.
Q: Can the 2SD687 handle high current applications?
A: Yes, the 2SD687 has a current rating of 3 amps and can handle moderate power demands.
Q: Is the 2SD687 suitable for digital signal switching?
A: Yes, the 2SD687 can be used to switch digital signals in applications such as logic gates and counters.
Q: What is the recommended package type for the 2SD687?
A: The recommended package type for the 2SD687 is TO-220AB-3.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| ECCN (US) | EAR99 | Part Status | Unconfirmed |
| Automotive | No | PPAP | No |
| Type | NPN | Configuration | Single |
| Number of Elements per Chip | 1 | Maximum Collector-Emitter Voltage (V) | 40 |
| Maximum Collector Base Voltage (V) | 60 | Maximum Emitter Base Voltage (V) | 5 |
| Maximum Base Emitter Saturation Voltage (V) | 2@4mA@2A | Maximum Continuous DC Collector Current (A) | 3 |
| Maximum Collector Cut-Off Current (uA) | 20 | Maximum Collector-Emitter Saturation Voltage (V) | 1.5@4mA@2A |
| Minimum DC Current Gain | 1000@3A@2V|2000@1A@2V | Maximum Power Dissipation (mW) | 25000 |
| Minimum Operating Temperature (°C) | -55 | Maximum Operating Temperature (°C) | 150 |
| Mounting | Through Hole | Package Height | 8.6(Max) |
| Package Width | 4.7(Max) | Package Length | 10.3(Max) |
| PCB changed | 3 | Tab | Tab |
| Standard Package Name | TO | Supplier Package | TO-220AB |
| Pin Count | 3 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.
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2SD687
Trans Darlington NPN 40V 3A 25000mW 3-Pin(3+Tab) TO-220AB
Inventory:
4,999
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.
Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.
Payment
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