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Name: 1N4148UB/TR
Brand: Microchip Technology
SKU: 1N4148UB/TR
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 1N4148UB/TR

Part No.:: 1N4148UB/TR

Manufacturer:: Microchip Technology

Package:: 3-SMD, No Lead

Datasheet:

Description:: SIGNAL/COMPUTER DIODE

In Stock:: 3594

Quantity:: Add To Cart

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1N4148UB/TR Specifications

Packaging:
Tape & Reel (TR)
Series:
RoHS:
RoHS
Speed:
Small Signal =< 200mA (Io), Any Speed
Diode Type:
Standard
Part Status:
Active
Mounting Type:
Surface Mount
Capacitance @ Vr, F:
4pF @ 0V, 1MHz
Reverse Recovery Time (trr):
20 ns
Current - Reverse Leakage @ Vr:
500 nA @ 75 V
Voltage - DC Reverse (Vr) (Max):
75 V
Current - Average Rectified (Io):
200mA
Operating Temperature - Junction:
-65°C ~ 200°C
Voltage - Forward (Vf) (Max) @ If:
1.2 V @ 100 mA

1N4148UB/TR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 1N4148UB/TR 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 1N4148UB/TR 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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1N4148UB/TR information

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1N4148UB/TR Typical application Circuitry

The 1N4148UB/TR is a diode known for its swift switching capabilities. Like its relatives in the 1N4148 family, this diode is optimized for high-speed applications, making it a staple in many electronic circuits.

Functionality:

The 1N4148UB/TR is a high-speed switching diode. It's designed to switch between the ON and OFF states very rapidly, making it useful in circuits where fast response times are required.

Applications:

- Logic circuits

- Waveform shaping

- Voltage clamping

- Protection circuits

- General high-speed switching tasks

Key Characteristics:

1. Peak Repetitive Reverse Voltage (V_RRM): Typically around 100V

2. Continuous Reverse Voltage (V_R): Around 75V

3. Forward Continuous Current (I_F): Approximately 150mA

4. Max Forward Voltage Drop (V_F): Roughly 1V at 10mA

5. Reverse Recovery Time: Very fast, typically in the nanosecond range

Detailed Application Scenario - Protecting a Microcontroller Input:

Suppose you want to use the 1N4148UB/TR diode to protect a microcontroller input from potential voltage spikes.

Circuit Connection:

1. Diode Orientation: Begin by connecting the anode (the side without the stripe) of the 1N4148UB/TR to the ground (or 0V) rail of your circuit. The cathode (the side with the stripe) should be linked to the specific microcontroller input pin, say Pin 5 on an ATmega328P microcontroller (commonly found in Arduino Uno boards).

2. Signal Input: The external signal source, which might be prone to occasional voltage spikes, is connected directly to the same microcontroller input pin (Pin 5 in this example) and to the cathode of the 1N4148UB/TR diode.

3. Clamping Action: In this setup, if a negative voltage spike tries to harm the microcontroller pin, the 1N4148UB/TR will conduct, effectively clamping the voltage and protecting the microcontroller from the harmful spike.

Design Considerations:

1. Voltage Ratings: Ensure that the circuit's voltage levels do not exceed the maximum ratings of the 1N4148UB/TR diode.

2. Current Flow: The forward current through the 1N4148UB/TR shouldn't surpass its recommended continuous forward current rating.

3. Switching Speed: Given its fast-switching nature, the diode should easily handle most high-speed tasks. However, always match it to the application's specific speed requirements.

4. Thermal Management: All diodes produce heat during operation. Ensure your design can dissipate this heat effectively to prevent the 1N4148UB/TR from overheating, potentially damaging the component.

In wrapping up, the 1N4148UB/TR is a critical component in many electronic designs due to its rapid switching capabilities. Whenever it's employed in a circuit, always pay close attention to the voltage, current, speed, and thermal parameters to guarantee efficient and reliable performance.

1N4148UB/TR FAQ

1. How to order 1N4148UB/TR on icwhale.com?

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We have a professional and experienced quality control team to strictly verify and test the 1N4148UB/TR. All suppliers must pass our qualification reviews before they can publish their products including 1N4148UB/TR on icwhale.com; we pay more attention to the channels and quality of 1N4148UB/TR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the 1N4148UB/TR price and inventory displayed accurate?

The price and inventory of 1N4148UB/TR 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 1N4148UB/TR?

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 1N4148UB/TR we delivered, we will accept the replacement or return of the 1N4148UB/TR 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 1N4148UB/TR.

(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