SFH 203 AN23

Product Overview

SFH 203 AN23 is a photodiode belonging to the category of optoelectronic components. It is commonly used for light sensing applications and exhibits characteristics such as high sensitivity, low dark current, and fast response time. The package consists of a small, surface-mountable design, making it suitable for compact electronic devices. The essence of SFH 203 AN23 lies in its ability to convert light into electrical signals with precision. Each package contains a specific quantity of photodiodes, typically sold in reels or trays.

Specifications

• Photodiode Type: PIN
• Package Type: Surface Mount
• Sensitivity Range: 400nm - 1100nm
• Dark Current: <1nA
• Response Time: <2ns
• Package Dimensions: 3.2mm x 2.5mm x 1.45mm

Detailed Pin Configuration

SFH 203 AN23 features a standard pin configuration with three pins: anode, cathode, and no-connect pin. The anode and cathode pins are used for connecting the photodiode to the external circuit, while the no-connect pin serves as a mechanical support.

Functional Features

The SFH 203 AN23 photodiode offers high sensitivity to a broad range of wavelengths, making it suitable for various light detection applications. Its low dark current ensures minimal noise in low-light conditions, and the fast response time allows for quick signal processing.

Advantages and Disadvantages

Advantages

• High sensitivity across a wide wavelength range
• Low dark current for improved signal-to-noise ratio
• Fast response time for real-time applications

Disadvantages

• Susceptible to damage from excessive light exposure
• Limited spectral range compared to some specialized photodiodes

Working Principles

SFH 203 AN23 operates based on the principle of the internal photoelectric effect. When photons strike the photodiode's semiconductor material, electron-hole pairs are generated, resulting in a measurable photocurrent. This photocurrent is then utilized in the connected circuitry for various light sensing purposes.

Detailed Application Field Plans

SFH 203 AN23 finds applications in diverse fields such as: - Ambient light sensing in consumer electronics - Industrial automation for presence detection - Medical devices for non-invasive monitoring - Automotive applications for proximity sensing

Detailed and Complete Alternative Models

For those seeking alternative photodiode models, the following options can be considered: - SFH 203 AN24: Similar specifications with enhanced sensitivity - SFH 204 AN23: Higher speed and lower capacitance for specific applications - SFH 205 AN23: Extended spectral range for specialized sensing needs

In conclusion, SFH 203 AN23 is a versatile photodiode offering high sensitivity, low dark current, and fast response time, making it suitable for a wide range of light sensing applications across various industries.

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