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Name: 1N4148UBCD
Brand: Microchip Technology
SKU: 1N4148UBCD
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology 1N4148UBCD

Part No.:: 1N4148UBCD

Manufacturer:: Microchip Technology

Package:: 3-SMD, No Lead

Datasheet:

Description:: SIGNAL OR COMPUTER DIODE

In Stock:: 2771

Quantity:: Add To Cart

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1N4148UBCD Specifications

Packaging:
Bulk
Series:
-
ProductStatus:
Active
DiodeConfiguration:
1 Pair Series Connection
DiodeType:
Standard
Voltage-DCReverse(Vr)(Max):
75 V
Current-AverageRectified(Io)(perDiode):
1A
Voltage-Forward(Vf)(Max)@If:
800 mV @ 100 mA
Speed:
Fast Recovery =< 500ns, > 200mA (Io)
ReverseRecoveryTime(trr):
5 ns
Current-ReverseLeakage@Vr:
25 nA @ 20 V
OperatingTemperature-Junction:
-65°C ~ 200°C
MountingType:
Surface Mount

1N4148UBCD this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 1N4148UBCD price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for 1N4148UBCD to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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1N4148UBCD information

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1N4148UBCD Typical application Circuitry

The 1N4148UBCD is a variant of the widely-recognized 1N4148, which is a standard high-speed switching diode. Often encapsulated in a small package, this diode is known for its rapid switching speeds, making it suitable for applications where such performance is essential.

Application Scenarios for 1N4148UBCD:

1. Digital Logic Circuits: Due to its high-speed characteristics, the 1N4148UBCD can be employed to maintain signal integrity.

2. Waveform Shaping: In circuits where waveforms need to be modified or shaped.

3. Protection: Protecting sensitive components from potential voltage transients.

4. RF Circuits: Given its quick response, it's used in some RF applications.

Key Parameter Features of 1N4148UBCD:

- Reverse Voltage (VR): Typically, this diode can handle a peak reverse voltage around 100V.

- Forward Current (IF): The maximum allowable continuous forward current is often around 200mA.

- Switching Speed: As a high-speed diode, it can switch (on and off) in nanoseconds.

- Package: The 1N4148UBCD usually comes in small, compact packages suitable for high-density circuit applications.

Application Detail – Protecting a Microcontroller Input:

In a scenario where a microcontroller pin is expected to receive pulses that might occasionally have harmful voltage transients, the 1N4148UBCD can be employed to provide protection.

1. Objective: Safeguard a microcontroller's digital input pin against potential voltage transients.

2. Components Needed:

- 1N4148UBCD diode

- Resistor (10kΩ, for example)

- Microcontroller (for instance, an ATmega328P, found on Arduino Uno boards)

3. Connection Schema:

- Diode Connection: Link the cathode (typically the side with the black band) of the 1N4148UBCD to the digital input pin of the microcontroller. Connect the anode to the ground.

- Input Pulse Connection: The external pulse source should be connected to the digital input pin via a resistor. This resistor acts as a current limiting component, ensuring that the current through the diode remains within safe limits.

4. Design Considerations:

- Current Limitation: Ensure the resistor value is chosen such that even in the event of a transient, the current through the 1N4148UBCD does not exceed its maximum rating.

- Placement: For effective high-speed performance, the 1N4148UBCD should be placed as close as possible to the microcontroller pin it's protecting.

- Voltage Levels: Ensure that the standard voltage levels of the pulses are compatible with the microcontroller's input levels. The diode will only provide protection against transients, not constant over-voltage situations.

- Test Scenarios: Before deploying the circuit in a real-world application, it's advisable to simulate potential transients and test the circuit's response.

In essence, the 1N4148UBCD diode is an invaluable tool in the electronic design domain, providing rapid response times in scenarios where swift action is pivotal. Its integration in a variety of circuits not only enhances performance but also boosts the resilience of devices against unforeseen electrical events.

1N4148UBCD FAQ

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3. Are the 1N4148UBCD price and inventory displayed accurate?

The price and inventory of 1N4148UBCD fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of 1N4148UBCD?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 1N4148UBCD we delivered, we will accept the replacement or return of the 1N4148UBCD only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 1N4148UBCD.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations