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Vishay TEPT 60° Visible Light Phototransistor Through Hole 2-Pin 3 mm (T-1) Package TEPT4400
Specifications
| Country of Origin | India |
|---|---|
| Diameter | 3mm |
| Brand | Vishay |
| Height | 4.5mm |
| Length | 3.2mm |
| Model | TEPT4400 |
| Packaging | Bulk |
| Width | 3.2mm |
| Mount Type | Through Hole |
| Series | TEPT |
| Maximum Operating Temperature | 85°C |
| Package Type | 3 mm (T-1) |
| Minimum Operating Temperature | -40°C |
| Number Of Channels | 1 |
| Standards/Approvals | RoHS |
| Number of Pins | 2 |
| Peak Wavelength | 570nm |
| Spectrums Detected | Visible Light |
| Angle of Half Sensitivity | 60 ° |
| Collector Current | 20mA |
| Maximum Light Current | 200μA |
| Maximum Dark Current | 50nA |
| Collector Emitter Voltage | 6V |
| Emitter Collector Voltage | 1.5V |
Key Features
- The phototransistor is sensitive to visible light with a peak wavelength of 570 nm.
- It supports a maximum collector current of 20 mA and a maximum light current of 200 μA.
- The device features a low maximum dark current of 50 nA ensuring high sensitivity.
- It operates within a temperature range from -40°C to +85°C.
- Constructed with a clear plastic package for ambient light sensing applications.
- The phototransistor is ideal for replacement of CdS photoresistors in various sensing applications.
- It is compliant with the RoHS standard ensuring environmental friendliness.
- Suitable for industrial, laboratory, and electronic component applications.
Product Description
Vishay TEPT4400 Visible Light Phototransistor is a precision ambient light sensor featuring a 60° angle of half sensitivity housed in a 3 mm (T-1) through-hole package. This NPN epitaxial planar phototransistor is designed with a clear plastic casing, making it highly sensitive to visible light wavelengths peaking at 570 nm, closely matching human eye sensitivity.
The device supports a maximum collector current of 20 mA and a light current up to 200 μA, with a very low maximum dark current of 50 nA, enabling accurate light detection and low noise operation. It can operate reliably in temperature conditions ranging from -40°C to +85°C, making it suitable for harsh industrial environments.
The TEPT4400 is commonly employed in ambient light sensing applications including automatic brightness control in display systems, and as a replacement for CdS photoresistors for improved response time and stability. Its through-hole mounting style with two pins permits straightforward circuit board assembly in electronic devices and systems.
The phototransistor adheres to RoHS compliance ensuring it meets environmental safety standards. With compact physical dimensions (3.2 mm length, 3 mm diameter) and robust electrical characteristics (emitter-collector voltage 1.5 V, collector-emitter voltage 6 V), it is well-suited for integration in electronic, industrial, and laboratory equipment.
The phototransistor detects visible light with high sensitivity and low dark current. It features a 60° viewing angle ideal for ambient light sensing applications. The device is packaged in a durable 3 mm (T-1) through-hole format.
Wide operating temperature supports diverse industrial and environmental conditions. RoHS compliance guarantees reduced environmental impact. Compact size enables space-saving circuit design. Suitable for replacement of CdS photoresistors with enhanced performance.
Applications include industrial controls, display brightness adjustment, and electronic sensing. Easy to mount and integrate into PCB assemblies due to 2-pin through-hole design. Explore Vishay Phototransistors and related ambient light sensors to enhance precision sensing applications in electronics and industrial systems on EnvMart.
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Frequently Asked Questions
The TEPT4400 is sensitive to visible light with a peak wavelength of 570 nm.
This model supports a maximum collector current of 20 mA.
It operates reliably within a temperature range from -40°C to +85°C.
The TEPT4400 features a 60° angle of half sensitivity.
The maximum light current for this phototransistor is 200 μA.
It has a very low maximum dark current of 50 nA, ensuring high sensitivity.
This phototransistor is housed in a 3 mm (T-1) through-hole package.
The TEPT4400 features a 2-pin design for easy mounting.
The dimensions of this model are 3.2 mm in length, 3 mm in diameter, and 4.5 mm in height.
Yes, it is compliant with the RoHS standard, ensuring environmental safety.
It is commonly used in ambient light sensing applications, including automatic brightness control in display systems.
The collector-emitter voltage rating for the TEPT4400 is 6 V.
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