MMBD4148
Diode Small Signal Switching 100V 0.2A 3-Pin SOT-23 T/R
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
51000 | $0.004 | $204.00 |
24000 | $0.005 | $120.00 |
6000 | $0.005 | $30.00 |
3000 | $0.006 | $18.00 |
500 | $0.007 | $3.50 |
50 | $0.009 | $0.45 |
Inventory:8,500
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : MMBD4148
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Package/Case : SOT23
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Manufacturer : Onsemi
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Components Classification : Single Diodes
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Datesheet : MMBD4148 DataSheet (PDF)
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Series : MMBD4148
Overview of MMBD4148
The MMBD4148 is a switching diode optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching.
Pinout
The MMBD4148 pinout refers to the configuration and function of each pin in its SOT-23 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 MMBD4148 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
- 100V Operating Voltage: The MMBD4148 can operate at a maximum voltage of 100V, making it suitable for various applications.
- 1A Forward Current: This diode can handle up to 1A of forward current, allowing for efficient switching operations.
- 4ns Turn-Off Time: The MMBD4148 has a fast turn-off time of 4ns, enabling high-speed signal switching.
- 200mA Reverse Current: This diode can handle up to 200mA of reverse current, ensuring reliable operation in various applications.
- RoHS Compliance: The MMBD4148 is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it a suitable choice for environmentally friendly designs.
Applications
- General Usage: This product is general usage and suitable for many different applications.
Advantages and Disadvantages
Advantages
- High-Speed Operation: The MMBD4148's fast turn-off time enables high-speed signal switching, making it suitable for various applications.
- Low-Voltage Operation: This diode can operate at low voltages, making it a suitable choice for battery-powered or low-voltage systems.
Disadvantages
- Limited Current Handling: The MMBD4148 has limited current handling capabilities, which may restrict its use in high-current applications.
Equivalents
For similar functionalities, consider these alternatives to the MMBD4148:
- BAT54S: The BAT54S is a fast switching diode with similar characteristics to the MMBD4148.
- 1N4007: The 1N4007 is a general-purpose rectifier diode that can be used as an alternative to the MMBD4148 in some applications.
Frequently Asked Questions
Q: What is the maximum operating voltage of the MMBD4148?
A: The maximum operating voltage of the MMBD4148 is 100V.
Q: Can the MMBD4148 handle high currents?
A: No, the MMBD4148 has limited current handling capabilities and may not be suitable for high-current applications.
Q: Is the MMBD4148 RoHS compliant?
A: Yes, the MMBD4148 is compliant with the Restriction of Hazardous Substances (RoHS) directive.
Q: What is the turn-off time of the MMBD4148?
A: The turn-off time of the MMBD4148 is 4ns.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Diodes - General Purpose, Power, Switching | Brand | Taiwan Semiconductor |
Product Type | Diodes - General Purpose, Power, Switching | Subcategory | Diodes & Rectifiers |
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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MMBD4148
Diode Small Signal Switching 100V 0.2A 3-Pin SOT-23 T/R
Inventory:
8,500
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
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




