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1N4148

The 1N4148 is a small signal fast switching diode from Texas Instruments. It features a 100V repetitive peak reverse voltage and a 200mA average forward current.

✓ Total Stock: 8,220 pcs

$ Price Range: $0.99

1N4148 Available from 4 distributors

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Chanetech ✓ Non-Authorised Inventory information	6,200 pcs On Request	6200 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
DYNACO PRODUCTS ✓ Non-Authorised Inventory information	1,110 pcs On Request	1110 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Hybrid Electronics ✓ Non-Authorised Inventory information	550 pcs On Request	550 pcs	On Request	1	On Request	On Request	NO DC	On Request	On Request
Speed Components Ltd ✓ Non-Authorised Inventory information	360 pcs On Request	360 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

1N4148 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments

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1N4148 Description

Short technical summary and product information.

The 1N4148 is a silicon epitaxial planar diode designed for extreme fast switching applications. It offers a repetitive peak reverse voltage of 100V and a reverse voltage of 75V. The forward continuous current is rated at 300mA, with an average forward current of 150mA.

Key electrical characteristics include a typical forward voltage of 1V at 10mA and a typical reverse leakage current of 25nA at 20V. The diode capacitance is typically 4pF at 0V and 1MHz, with a reverse recovery time as low as 4ns under specific conditions.

This diode is housed in a DO-35 (DO-204AH) axial package, making it suitable for through-hole mounting. The operating junction temperature ranges from -65°C to 175°C, with a storage temperature range of -65°C to +150°C.

1N4148 Quick Information

Product Type: Diode

Canonical Name: 1N4148 Small Signal Fast Switching Diode

Subcategory: Rectifiers

1N4148 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

1N4148 Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

1N4148 Features

100V repetitive peak reverse voltage.
300mA forward continuous current.
Fast reverse recovery time of 4ns.
DO-35 axial package for through-hole mounting.
Suitable for extreme fast switching applications.

1N4148 Applications

Ideal for high-speed switching circuits.
Used in general-purpose rectification.
Applicable in signal demodulation.
Suitable for voltage clamping circuits.

1N4148 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the maximum reverse voltage of the 1N4148?

The maximum repetitive peak reverse voltage is 100V.

What is the forward current rating of the 1N4148?

The maximum forward continuous current is 300mA, with a peak repetitive current of 500mA and an average rectified current of 200mA (manufacturer page).

What is the forward voltage drop of the 1N4148?

The typical forward voltage is 1V at a forward current of 10mA.

What is the reverse recovery time of the 1N4148?

The typical reverse recovery time is 4ns under test conditions IF=10mA, VR=6V, iR=0.1×IR, RL=100Ω.

What package is the 1N4148 available in?

The 1N4148 is available in a DO-35 (DO-204AH) through-hole package with axial leads.

What is the capacitance of the 1N4148?

The typical diode capacitance is 4pF at 0V reverse bias and 1MHz.

What is the reverse leakage current of the 1N4148?

The typical reverse leakage current is 25nA at a reverse voltage of 20V.