C4675-103 HAMAMATSU Element Photodiode Detector

Review HAMAMATSU Element Photodiode Array Detector

The Hamamatsu C4675-103 photodiode is a versatile and high-performance semiconductor device designed for the detection of light in various applications. This photodiode is part of Hamamatsu's C4670 series, which is renowned for its excellent sensitivity and low dark current.

The C4675-103 photodiode features a circular active area of 3.2 mm in diameter, which is coated with a thin layer of InGaAs material for enhanced sensitivity in the near-infrared region. The device operates in reverse bias mode and can detect photons in the wavelength range of approximately 900 to 1700 nm with peak responsivity around 1300 nm.

This photodiode has a low dark current of about 1 nA at room temperature (25 C), ensuring minimal noise in low-light conditions. Its high quantum efficiency of over 70% in the near-infrared region contributes to its high sensitivity, with a detectable photon flux as low as 10 -13 W/cm 2.

The C4675-103 photodiode offers a fast response time, typically within a few nanoseconds, making it suitable for applications requiring quick detection of light pulses. It also features a low capacitance of approximately 25 pF, minimizing the effect of electrical noise.

The device is packaged in a hermetically sealed TO-46 can with a transparent window, allowing direct optical access to the active area. The package is designed for robustness and reliability, ensuring the longevity of the photodiode in various environments.

The Hamamatsu C4675-103 photodiode is an ideal choice for applications in spectroscopy, optical communications, and other fields where high sensitivity and fast response are essential for accurate and efficient detection of light. Its compact size and excellent performance make it a popular and versatile solution for a wide range of applications.

Hamamatsu C4675-103 photodiode is a popular choice for various applications due to its high performance and reliability. Here are some pros and cons of buying this photodiode:

1. High sensitivity: The Hamamatsu C4675-103 photodiode has a high quantum efficiency, which makes it an excellent choice for applications requiring high sensitivity.

2. Low dark current: This photodiode has a low dark current, which means it produces fewer electrons when no light is present. This is desirable for applications where low noise is important.

3. Wide dynamic range: The Hamamatsu C4675-103 photodiode can handle a wide range of light intensities, making it suitable for applications with varying light levels.

4. Large active area: The large active area of this photodiode allows it to detect a larger amount of light, making it an ideal choice for applications where light collection is crucial.

5. Excellent spectral response: The Hamamatsu C4675-103 photodiode has a good spectral response, making it suitable for use in various wavelengths of light.

1. High cost: Compared to other photodiodes, the Hamamatsu C4675-103 can be more expensive due to its high performance and quality.

2. Requires external bias: This photodiode requires an external bias voltage to operate, which can add to the complexity of the circuit design.

3. Fragile: The Hamamatsu C4675-103 photodiode is relatively fragile and should be handled with care to avoid damage.

In conclusion, the Hamamatsu C4675-103 photodiode is a high-performance and reliable option for various applications where sensitivity, low noise, and large active area are important. Its high cost, requirement for external bias, and fragility are potential drawbacks.

Recommendation: If you require a high-performance photodiode for an application where sensitivity, low noise, and large active area are crucial, then the Hamamatsu C4675-103 is an excellent choice, despite its higher cost and additional complexity. However, if you have a smaller budget or simpler requirements, other photodiodes may be more suitable for your application.

Details:

Comes as pictured. Used and working Hamamatsu C4675-103 element photodiode array detector.

specifications oscillovectscopes:

• brand: Hamamatsu
• mpn: C4675-103
• model: Hamamatsu C4675-103
• part type: Detector
• country of origin: United States

general oscillovectscopes:

• category: Business & Industrial > Test, Measurement Inspection > Analyzers Data Acquisition > Oscilloscopes Vectorscopes

offer oscillovectscopes:

• options: ship-to-home
• in stock #: 1
• availability: in stock
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• started: march 10, 2026
• price: $950.00
• item condition: Used
• sold #: 10

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