Product descriptionThe C30927EH-03 quadrant silicon avalanche photodiode features a double-diffused reach-through structure with a 1.55 mm useful diameter. The quadrant design uses a common avalanche junction and separates quadrants by segmenting the light-entry p+ surface opposite the junction, eliminating dead space between elements and preserving on-axis response. The device is optimized for 800 nm operation and delivers high responsivity and fast response when used within ±50 nm of the nominal wavelength.
Key features- Full angle for totally illuminated photosensitive surface greater than 90°
- High quantum efficiency optimized for 800 nm
- Fast time response (typical rise/fall: 3 ns)
- Large active area: 1.77 mm²
- Hermetically sealed, low-profile TO-8 package
Applications- Tracking
- Alignment
- Friend-or-foe identification
Technical characteristics / specifications- Breakdown voltage range (V): 350 to 485
- Typical breakdown voltage (V): 425
- Typical gain (M): 100
- Typical temperature coefficient for constant gain (V/°C): 2.4
- Minimal responsivity at 800 nm (A/W): 45
- Typical responsivity at 800 nm (A/W): 55
- Typical total dark current (nA): 100
- Maximum total dark current (nA): 200
- Typical noise current per element (pA/√Hz): 1.0
- Maximum noise current per element (pA/√Hz): 1.5
- Typical total capacitance of all quadrants (pF): 3
- Maximum total capacitance of all quadrants (pF): 5
- Maximum series resistance (Ω): 15
- Typical rise and fall time (ns): 3
- Storage temperature (°C): -60 to 120
- Operating temperature (°C): -40 to 60