iN4148 Diode – 100V, 200mA, Small Signal

iN4148 is a silicon diode for high-speed switching. This diode is used in a variety of electronic circuits, primarily for signal grooming, current direction control, and protection functions.

Correct Part number : 1N4148

Functions : This is a kind of rectifier, 100V, 200mA, Small Signal Diode.

Package information : DO-204AH ( DO-35 )

Manufacturer : Fairchild, On Semiconductor, Renesas, Rohm, Vishay, Rectron

Image :

iN4148 diode

The texts in the PDF file :

1. Silicon epitaxial planar diode

2. Fast swithching diodes

3. 500mW power dissipation

4. The diode is also available in the Mini-Melf case with the type

Descriptions

The iN4148 diode has a reverse insurance function that passes small signals in the forward direction and blocks them in the reverse direction. This diode feature fast switching speeds and low reverse recovery times, making them particularly useful in high-frequency signal processing.

1. Purpose: The 1N4148 diode is primarily used for switching applications, such as in digital logic circuits, where it allows current to flow in one direction while blocking it in the opposite direction.

2. Construction: The diode is constructed using semiconductor materials, typically silicon, with a p-n junction. It has two terminals: the anode (positive terminal) and the cathode (negative terminal). The diode’s physical structure consists of a small chip or die connected to metal leads, encapsulated in a glass or plastic package.

3. Forward Voltage Drop: The 1N4148 diode has a low forward voltage drop, typically around 0.6 to 0.7 volts when conducting current in the forward direction.

4. Reverse Breakdown Voltage: It has a reverse breakdown voltage of approximately 75 volts, which means it can withstand up to 75 volts in the reverse direction before breakdown occurs.

5. Maximum Current Rating: The diode has a maximum continuous forward current rating of 200 mA (milliamperes) and a peak forward surge current rating of 2 A (amperes) for short durations.

6. Switching Speed: One of the key advantages of the 1N4148 diode is its fast switching speed. It can quickly transition from the off state to the on state and vice versa, making it suitable for high-frequency applications.

7. Small Signal Diode: The 1N4148 is classified as a small-signal diode, which means it is optimized for low-power and signal-level applications rather than high-power or rectification purposes.

 

Mechanical Data

1. Case: Glass sealed case

2. Lead: MIL-STD-202E, Method 208 guaranteed

3. Polarity: Color band denotes cathode end

4. Mounting position: Any

5. Weight: 0.13 gram

 

Absolute maximum ratings

1. Reverse voltage : VR = 75 Volts

2. Peak reverse voltage : VRM = 100 Volts

3. Average rectified current, Half wave rectification : IAV 150 mA

4. Surge forward current at t<1S and TJ=25 : IFSM 500 mA

5. Power dissipation at TA=25 : Ptot = 500 mW

 

iN4148 Diode PDF File

iN4148 Diode

Related Semiconductors

 

Part Number : 1N4148-M

Manufacturer : DSI

Function : DIODE

Description : Technical Data DIODE

maximum ratings

Voltage, Reverse (VR) Voltage, Reverse Peak (VRM) Current at VR = OV (IO) Current Average Rectified (IF) Current Surge Peak (IFM) Current, Surge (IFM) at tp = 1 [ … ]


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Manufacturer : New Jersey Semiconductor

Function : Diode Switching 75V 0.15A 2-Pin DO-35 Ammo

Description : [ … ]


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Manufacturer : Seme LAB

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Description : 1N4148CSM

[ … ]


Part Number : 1N4148GW6

Manufacturer : Pan Jit International

Function : SURFACE MOUNT SWITCHING DIODE

Description : P1N4148GW6

SURFACE MOUNT SWITCHING DIODES

Voltage

100 V

Power 410 mW

Features

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1N4148 datasheet

External link : 1N4148 Datasheet search site


IN4007 PDF – 1000V Recovery Rectifier – Diode

IN4007 is a commonly used rectifier diode. It is part of the 1N400x series of diodes, which are widely used for general-purpose rectification in electronic circuits. This diode is specifically designed for high-voltage, high-current applications.

Part number : 1N4007

iN4007 is Correct Partnumber 1N4007.

Functions : Standard Recovery Rectifier / Pb−Free Package informations are Available

Package : Axial Lead plastic type

Manufacturer : ON Semiconductor

Image and Pinout :

IN4007 datasheet

Descripition

This data sheet provides information on subminiature size, axial lead mounted rectifiers for general−purpose low−power applications. It allows current to flow in the forward direction (from anode to cathode) when the diode is forward-biased, and it blocks current flow in the reverse direction (from cathode to anode) when the diode is reverse-biased. The diode’s low forward voltage drop and high reverse voltage rating make it suitable for rectification and power supply applications.

1. Maximum Reverse Voltage (Vr): 1000V

2. Maximum Forward Current (If): 1A

3. Forward Voltage Drop (Vf): Typically around 0.7V

4. Maximum Reverse Recovery Time (trr): Less than 30ns

 

Features

• Shipped in Plastic Bags, 1000 per bag

• Available Tape and Reeled, 5000 per reel, by adding a “RL” suffix to the part number

• Available in Fan−Fold Packaging, 3000 per box, by adding a “FF” suffix to the part number

• Pb−Free Package informations are Available

IN4007 PDF Datasheet PDF, IN4001

Mechanical Characteristics

• Case: Epoxy, Molded

• Weight: 0.4 gram (approximately)

• Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable

• Lead and Mounting Surface Temperature for Soldering Purposes :

260°C Max. for 10 Seconds, 1/16 in. from case

• Polarity: Cathode Indicated by Polarity Band

 

Applications

1. Various electronic circuits, including power supplies

2. Rectifiers, battery chargers, and voltage clamping circuits

 

IN4007 PDF Datasheet

1N4007 pdf

Other data sheets within the file : IN4001, IN4002, IN4003, IN4005, IN4006

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