AEDR-9820-102 Overview
The AEDR-9820-102 is a high-performance infrared photodiode designed for precision light detection in industrial and consumer electronic applications. This device features a silicon PIN photodiode structure optimized for detecting wavelengths in the near-infrared spectrum, providing reliable and accurate optical sensing. Its compact form factor and robust electrical characteristics make it suitable for integration into systems requiring stable and efficient photodetection. Engineers and sourcing specialists will appreciate the device??s low dark current and fast response time, which contribute to enhanced sensitivity and overall system performance. For detailed component sourcing and technical support, visit IC Manufacturer.
AEDR-9820-102 Technical Specifications
| Parameter | Specification |
|---|---|
| Photodiode Type | Silicon PIN |
| Active Area | 7.5 mm2 |
| Peak Sensitivity Wavelength | 880 nm |
| Spectral Response Range | 400 nm to 1100 nm |
| Dark Current (typical) | 2 nA at 10 V reverse bias |
| Shunt Resistance | ??10 M?? |
| Capacitance | 15 pF at 5 V reverse bias |
| Reverse Voltage | 50 V max |
| Package Type | TO-18 Metal Can |
| Temperature Range | -40??C to +85??C |
AEDR-9820-102 Key Features
- High Sensitivity Silicon PIN Photodiode: Enables accurate detection of near-infrared light, essential for applications requiring precise optical signal measurement and control.
- Low Dark Current: Minimizes noise and improves signal-to-noise ratio, enhancing performance in low-light and high-precision environments.
- Wide Spectral Response: Covers UV to near-infrared range (400 nm to 1100 nm), providing versatility across diverse sensing applications.
- Compact TO-18 Metal Can Package: Ensures reliable environmental protection and easy integration into optical systems with minimal footprint.
- High Shunt Resistance and Low Capacitance: Contributes to fast response times and stable electrical behavior under varying operating conditions.
AEDR-9820-102 Advantages vs Typical Alternatives
This photodiode stands out due to its low dark current and high shunt resistance, which together reduce noise and improve detection accuracy compared to many standard infrared sensors. Its broad spectral response and compact packaging also facilitate flexible system integration, making it a reliable choice for applications where sensitivity and precision are critical. These advantages contribute to better performance, lower power consumption, and enhanced system stability relative to typical photodiode alternatives.
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Typical Applications
- Optical encoders and position sensors requiring precise near-infrared detection for accurate motion control in industrial automation systems.
- Smoke detectors and fire alarms leveraging the device??s sensitivity to infrared light for early detection of combustion particles.
- Remote control receivers in consumer electronics, utilizing the photodiode??s responsiveness to IR signals for reliable communication.
- Light barriers and safety systems, where fast and accurate detection of object presence or movement is essential for operational safety.
AEDR-9820-102 Brand Info
Manufactured by a leading supplier in optoelectronic components, this photodiode reflects a commitment to quality and performance. The AEDR-9820-102 benefits from stringent manufacturing controls and thorough testing to meet demanding industrial standards. Designed for durability and consistent output, it supports a wide range of applications requiring dependable infrared detection. Its established reputation ensures engineers can rely on consistent specifications and availability for volume production and long-term projects.
FAQ
What is the typical dark current of this photodiode and why is it important?
The typical dark current is approximately 2 nA at 10 V reverse bias. Low dark current is crucial because it reduces noise in the signal, allowing for more accurate detection of low-intensity light. This enhances overall sensor performance, especially in applications with weak light signals.
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What wavelength range does the photodiode cover effectively?
This device has a spectral response range from 400 nm to 1100 nm, with peak sensitivity around 880 nm. Such a range includes visible to near-infrared light, enabling its use in various optical sensing applications including remote controls and industrial automation.
What package type is used, and how does it benefit system integration?
The photodiode is housed in a TO-18 metal can package. This rugged, compact package offers excellent protection against environmental factors and electromagnetic interference, facilitating reliable operation and straightforward mounting in optical systems.
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Can this photodiode operate in harsh temperature environments?
Yes, the device is rated for operation between -40??C and +85??C. This wide temperature range makes it suitable for demanding industrial environments and outdoor applications where temperature variations are common.
How does the capacitance affect the photodiode’s performance?
The device features a low capacitance of approximately 15 pF at 5 V reverse bias. Lower capacitance results in faster response times and improved frequency performance, which is critical for high-speed optical detection and signal processing applications.
