Si photodiode


High UV tolerance, photodiodes for UV monitor


The S12698 series are Si photodiodes that have achieved high reliability for monitoring ultraviolet light by employing a structure that does not use resin. They exhibit low sensitivity deterioration under UV light irradiation and are suitable for applications such as monitoring intense UV light sources.

- With UV glass window (hermetically sealed)
- High sensitivity in UV region
- High reliability for monitoring UV light irradiation
- Resin material not used


Photosensitive area 3.6 × 3.6 mm
Number of elements 1
Package Metal
Package category TO-5
Cooling Non-cooled
Reverse voltage (max.) 5 V
Spectral response range 190 to 1000 nm
Peak sensitivity wavelength (typ.) 800 nm
Photosensitivity (typ.) 0.38 A/W
Dark current (max.) 50 pA
Rise time (typ.) 0.6 μs
Terminal capacitance (typ.) 240 pF
Noise equivalent power (typ.) 2.5×10-14 W/Hz1/2
Measurement condition Ta=25 ℃, Typ., Photosensitivity: λ=800 nm, Dark current: VR=10 mV, Terminal capacitance: VR=0 V, f=10 kHz, unless otherwise noted

Spectral response

Dimensional outline (unit: mm)

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