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Microchip Technology 1N4148UBCD/TR

Part No.:: 1N4148UBCD/TR

Manufacturer:: Microchip Technology

Package:: 3-SMD, No Lead

Datasheet:

Description:: SIGNAL OR COMPUTER DIODE

In Stock:: 3168

Quantity:: Add To Cart

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1N4148UBCD/TR Specifications

Packaging:
Tape & Reel (TR)
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/TR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 1N4148UBCD/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 1N4148UBCD/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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1N4148UBCD/TR information

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1N4148UBCD/TR Typical application Circuitry

The 1N4148UBCD/TR is a specialized version of the renowned 1N4148 switching diode series, tailored for rapid switching applications. The "UBCD" and "TR" distinctions might refer to particular packaging or manufacturing specifics.

Applications:

Frequently found in high-frequency circuits, the 1N4148UBCD/TR is deployed in scenarios such as logic level conversions, wave shaping, and general-purpose high-speed switching applications.

Characteristic Features:

- Peak Reverse Voltage: Around 100V typically

- Continuous Forward Current: Typically capped at 200mA

- Switching Speed: Often under 4ns

- Forward Voltage Drop: Around 1V under standard conditions

Application Blueprint:

Diving into an application as a flyback diode in relay circuits:

1. Relay Incorporation: Consider a simple circuit with a relay driven by a transistor. The relay coil induces a back electromotive force (EMF) when it's de-energized.

2. 1N4148UBCD/TR Integration: Attach the anode of the 1N4148UBCD/TR diode to the relay coil's ground side. The cathode connects to the relay coil's positive side (also the collector of the driving transistor). This configuration ensures that under standard operations, the diode remains reverse-biased. However, when the relay switches off and a back EMF emerges, the diode conducts, safely diverting the current and protecting the transistor.

3. Shared Grounding: An essential point is the shared ground between the relay, diode, and driving components. This ensures that voltage reference points remain consistent throughout the system.

4. Signal Source: The signal source (like a microcontroller pin) will interface with the transistor's base via a current limiting resistor. This controls the transistor and, by extension, the relay's operation.

While embedding the 1N4148UBCD/TR into designs, it's crucial to:

1. Avoid Overstressing: While robust, pushing the 1N4148UBCD/TR beyond its rated forward current or reverse voltage can be detrimental.

2. Circuit Proximity: Especially in high-speed switching scenarios, having the 1N4148UBCD/TR in close proximity to the component it's protecting or influencing is beneficial to curtail unwanted circuit parasitics.

3. Evaluate Thermal Aspects: Even though the 1N4148UBCD/TR is adept at handling most standard applications, in high-frequency environments, it might emanate some heat. Adequate thermal design considerations might be required.

4. Minimize Noise: In sensitive or high-frequency applications, noise can be a concern. Proper grounding and decoupling techniques can be advantageous.

In essence, the 1N4148UBCD/TR provides a robust and agile mechanism to facilitate high-speed switching, playing a pivotal role in various electronic configurations.

1N4148UBCD/TR FAQ

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

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6. What is the process for return or replacement of 1N4148UBCD/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 1N4148UBCD/TR we delivered, we will accept the replacement or return of the 1N4148UBCD/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 1N4148UBCD/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