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APD module

C5658

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High-speed type, Active area: Φ0.5 mm

The C5658 is a highly sensitive photodetector consisting of a Si APD (avalanche photodiode), a bias power supply and a low-noise amplifier, all integrated into a compact case. The APD used has an effective active area of φ0.5 mm to allow efficient coupling to a light beam in applications such as spatial light transmission. The APD internally multiplies the photocurrent to produce an ample gain (set to 100 times for C5658) and also features high-speed response, achieving detection limits up to 1 GHz wideband and -48 dBm (16 nWr.m.s.) noise level in combination with the low-noise amplifier. C5658 also incorporates a thermosensor and a temperature-compensated bias power supply necessary for stable operation of the APD. Highly sensitive optical measurements can be made just by supplying +12 V to C5658.


Features
-High-speed response and high sensitivity
-Flat frequency characteristics
-Compact and lightweight
-Single power supply operation

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Specifications

Type High-speed type
Effective photosensitive area φ0.5 mm
Temperature stability of gain (typ.) ±5.0 %
Built-in sensor S12023-05-03
Photoelectric sensitivity (typ.) 2.50 × 105 V/W
Cooling Non-cooled
Low Band Cut-off Frequency (typ.) 0.05 MHz
High Band Cut-off Frequency (typ.) 1000 MHz
Supply voltage (typ.) +12.0 V
Measurement condition Photoelectric sensitivity: M=100, λ=800 nm, Temperature stability of gain: 25±10 ℃

Dimensional outline (unit: mm)

KACCA0092

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