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Name: 1N4148WT
Brand: ON Semiconductor
SKU: 1N4148WT
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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ON Semiconductor 1N4148WT

Part No.:: 1N4148WT

Manufacturer:: ON Semiconductor

Package:: SC-79, SOD-523F

Datasheet:: 1N4148WT.pdf

Description:: DIODE GEN PURP 75V 200MA SOD523F

In Stock:: 273131

Quantity:: Add To Cart

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1N4148WT Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
RoHS:
RoHS
Speed:
Small Signal =< 200mA (Io), Any Speed
Diode Type:
Standard
Part Status:
Active
Mounting Type:
Surface Mount
Capacitance @ Vr, F:
5pF @ 0V, 1MHz
Reverse Recovery Time (trr):
4 ns
Current - Reverse Leakage @ Vr:
5 µA @ 75 V
Voltage - DC Reverse (Vr) (Max):
75 V
Current - Average Rectified (Io):
200mA
Operating Temperature - Junction:
-55°C ~ 150°C
Voltage - Forward (Vf) (Max) @ If:
1 V @ 10 mA

1N4148WT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 1N4148WT 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 1N4148WT 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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1N4148WT information

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1N4148WT Typical application Circuitry

The 1N4148WT is not actually a chip but a small-signal diode commonly used for fast-switching applications. Below is some key information about its functionalities, applications, and parameters.

Functionality:

A unidirectional current-passing component, the 1N4148WT diode makes it simple for electricity to flow in one direction while obstructing it in the other.

Application Scenarios:
This diode is commonly found in digital logic circuits, RF (Radio Frequency) applications, and general-purpose fast-switching applications.

Parameter Features:

- Forward Voltage: ~0.7V

- Reverse Voltage: ~100V

- Forward Current: ~300mA

- Fast Switching Speed: Nanosecond range

Example Circuit: Signal Clipping

One application where the 1N4148WT is commonly used is in signal clipping circuits. In this circuit, the 1N4148WT diode will clip the voltage levels of an input signal to protect sensitive components further down the line.

Circuit Design Considerations:

1.Component Placement

Make sure to place the 1N4148WT diodes in parallel to the resistor to clip both the positive and negative peaks of the input signal.

2.Orientation

The anode of one 1N4148WT diode should connect to the input signal, and the cathode to the ground for clipping the positive peaks. The orientation should be reversed for the other diode to clip the negative peaks.

3.Resistor Value

Select an appropriate resistor value to control the level of clipping. This value should be based on the input signal's characteristics.

4.Input and Output Connections

The resistor should have the input signal attached to one end, and the output signal should come from the junction of the resistor and the 1N4148WT diodes.

5.Signal Integrity

Ensure the layout minimizes parasitic inductance and capacitance to maintain signal integrity, especially for high-frequency applications.

6.Thermal Management

Although 1N4148WT is generally robust, for applications where it would be handling close to its maximum current capacity, thermal considerations should be made to avoid overheating.

Circuit Connections:

1. Input Signal: Connect your input signal to one terminal of a 1K ohm resistor.

2. Anode Connection: Connect the anode of the first 1N4148WT diode to the junction between the input signal and the 1K ohm resistor.

3. Cathode Connection: Connect the cathode of the same diode to ground.

4. Reverse Diode: Place another 1N4148WT diode with opposite orientation (cathode to the resistor and anode to ground).

5. Output Signal: You can obtain your clipped signal from the junction of the 1N4148WT diodes and the resistor.

By following these detailed steps, you can use the 1N4148WT diode to design a signal clipping circuit effectively.

1N4148WT FAQ

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6. What is the process for return or replacement of 1N4148WT?

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 1N4148WT we delivered, we will accept the replacement or return of the 1N4148WT 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 1N4148WT.

(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