Quadrant photodiode S16803

UVsegmentedPIN

Overview
The S16803 is a quadrant silicon (Si) PIN photodiode with a 4‑segment photosensitive area arranged in a 2D matrix. It is designed for position detection, laser optical‑axis alignment and reliable monitoring of ultraviolet (UV) irradiation.

Features

• Quadrant (2 × 2) 4‑segment element
• High sensitivity in the UV region
• Designed for reliable UV light monitoring
• No resin used that can cause outgassing

Specifications

• Number of elements: 4‑segment
• Package: Metal
• Package category: TO‑5
• Cooling: Non‑cooled
• Spectral response range: 190–1000 nm
• Peak sensitivity wavelength (typ.): 780 nm
• Photosensitivity (typ.): 0.125 A/W (measurement condition: λ = 200 nm)
• Dark current (max.): 500 pA (V_R = 10 V)
• Cutoff frequency (typ.): 90 MHz (λ = 405 nm, V_R = 10 V)
• Terminal capacitance (typ.): 10 pF (V_R = 10 V, f = 1 MHz)
• Measurement condition: Typ. Ta = 25 °C, unless otherwise noted; values given per one element (except photosensitive area)

Technical characteristics

• Element format: Quadrant 2 × 2
• Package material: Metal (TO‑5)
• Intended uses: Position detection, laser alignment, UV monitoring
• Typical operating conditions and measurement references included above