S5821-01Si PIN photodiode


Datasheet [575 KB/PDF]

High performance, high reliability Si PIN photodiode


The S5821-01 is a high-speed Si PIN photodiode having high sensitivity over a wide spectral range from visible to near infrared light. The S5821-01 provides high performance and reliability at a low cost.


-High-speed response
-Wide spectral response
-Low dark current
-Low terminal capacitance


Photosensitive area φ1.2 mm
Number of elements 1
Package Metal
Package category TO-18, with lens
Reverse voltage (max.) 20 V
Spectral response range 320 to 1100 nm
Peak sensitivity wavelength (typ.) 960 nm
Photosensitivity (typ.) 0.52 A/W
Dark current (max.) 2000 pA
Cutoff frequency (typ.) 25 MHz
Terminal capacitance (typ.) 3 pF
Measurement condition Typ. Ta=25 ℃, unless otherwise noted,
Photosensitivity: λ=780 nm, Dark current: VR=10 V, Cutoff frequency: VR=10 V, Terminal capacitance: VR=10 V, f=1 MHz

Go to top

Spectral response


Go to top

Dimensional outline (unit: mm)


Go to top

Go to top


The save-to-list function can only work if JavaScript is turned on.

The recently viewed function can only work if JavaScript is turned on.