Si Quadrant, Bi-Cell Segmented Photodiodes

These photodiodes comprise 2 or 4 elements with extremely low cross talk and fast response times. They are commonly used for precise centering or nulling applications.

QUADRANT, FOUR ELEMENTS (2x2) Bi-CELL, TWO ELEMENTS (2x1)

QUADRANT, FOUR ELEMENTS (2x2)

Image	Datasheet	Model Number	Active Area Per Element [mm²]	Active Area Dimensions Per Element [mm]	Gap Between Elements [mm]	Spectral Response Range [nm]	Responsivity @Peak [A/W]	Dark Current [nA]	Shunt Resistance [MΩ]	Capacitance [pF]	Rise Time [nS]	Package
	PDF	SD055-23-21-211	0.25	0.5 x 0.5	0.152	350 - 1100	0.57	0.1	800	2	9,000	TO-18
	PDF	SD118-23-21-021	1.6	1.3 x 1.3	0.127	350 - 1100	0.64	0.5	450	5	7,400	TO-5
	PDF	PDB-C203	1.6	1.3 x 1.3	0.127	350 - 1100	0.62	0.5	500	5	7,400	TO-5
	PDF	SD085-23-21-021	2.3	1.5 x 1.5	0.01	350 - 1100	0.62	0.6	350	45	65	TO-5
	PDF	SD197-23-21-041	4.79	Ø5.0 ‡	0.03	350 - 1100	0.62	1.2	100	102	70	TO-8
	PDF	SD380-23-21-051	17.8	Ø9.7 ‡	0.1	350 - 1100	0.64	5	100	375	110	TO-8

Bi-CELL, TWO ELEMENTS (2x1)

Image	Datasheet	Model Number	Active Area Per Element [mm²]	Active Area Dimensions Per Element [mm]	Gap Between Elements [mm]	Spectral Response Range [nm]	Responsivity @Peak [A/W]	Dark Current [nA]	Shunt Resistance [MΩ]	Capacitance [pF]	Rise Time [nS]	Package
	PDF	SD066-24-21-011	0.69	1.19 x 0.58	0.02	350 - 1100	0.62	0.2	550	3	5	TO-46
	PDF	SD160-24-21-021	2.3	4.5 x 0.51	0.02	350 - 1100	0.66	0.7	300	8	7,400	TO-5
	PDF	SD113-24-21-021	3.1	2.5 x 1.2	0.102	350 - 1100	0.61	0.5	250	13	15	TO-5
	PDF	PDB-C201	3.2	2.54 x 1.27	0.1	350 - 1100	0.61	0.5	500	15	5	TO-5

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