Photoconductive Devices

Planar Diffused Silicon Photodiodes

The Photoconductive Detector Series are suitable for high speed and high sensitivity applications. The spectral range extends from 350 to 1100 nm, making these photodiodes ideal for visible and near IR applications, including such AC applications as detection of pulsed LASER sources, LEDs, or chopped light.

To achieve high speeds, these detectors should be reverse biased. Typical response times from 10 ns to 250 ns can be achieved with a 10V reverse bias, for example. When a reverse bias is applied, capacitance decreases (as seen in the figure below) corresponding directly to an increase in speed. As indicated in the specification table, the reverse bias should not exceed 30 volts. Higher bias voltages will result in permanent damage to the detector.

Since a reverse bias generates additional dark current, the noise in the device will also increase with applied bias. For lower noise detectors, the Photovoltaic Series should be considered. 

Please refer to the Photoconductive Mode (PC) paragraph in the application note "Photodiode Characteristics and Applications" located under Application Notes for detailed information on electronics set up.

Silicon Photoconductive

Product Applications

  • Pulse Detectors
  • Optical Communications
  • Bar Code Readers
  • Optical Remote Control
  • Medical Equipment
  • High Speed Photometry

Product Features

  • High Speed Response
  • Low Capacitance
  • Low Dark Current
  • Wide Dynamic Range
  • High Responsivity

Photoconductive Series ‡

Model Number Active Area Active Area Dimensions Peak Wavelength Responsivity Dark Current Capacitance Rise Time Reverse Bias Package Click Image to Zoom
OSD1-0 1 mm² 1.0 mm² 900 nm 0.54 A/W 1 nA 3 pF 10 ns 50 V 7 / TO-18 Click to View Larger Image of (OSD1-0)
OSD5-0 5 mm² 2.5 Φ mm 900 nm 0.54 A/W 5 nA 8 pF 8 ns 50 V 5 / TO-5 Click to View Larger Image of (OSD5-0)
OSD15-0 15 mm² 3.8 mm² 900 nm 0.54 A/W 8 nA 20 pF 9 ns 50 V 5 / TO-5 Click to View Larger Image of (OSD15-0)
OSD35-0 35 mm² 5.9 mm² 900 nm 0.54 A/W 12 nA 46 pF 12 ns 50 V 3 / TO-8 Click to View Larger Image of (OSD35-0)
OSD60-0 58 mm² 7.6 mm² 900 nm 0.54 A/W 15 nA 75 pF 14 ns 50 V 72 / TO-8 Click to View Larger Image of (OSD60-0)
OSD100-0A 100 mm² 11.3 Φ mm 900 nm 0.54 A/W 30 nA 130 pF 19 ns 50 V 74 / Special Click to View Larger Image of (OSD100-0A)
PIN-020A 0.20 mm² 0.51 F mm 970 nm 0.65 A/W 0.01 nA 1 pF 6 ns 30 V 1/TO-18 Click to View Larger Image of (PIN-020A)
PIN-040A 0.81 mm² 1.02 Φ mm 970 nm 0.65 A/W 0.05 nA 2 pF 8 ns 30 V 4 / TO-18 Click to View Larger Image of (PIN-040A)
PIN-2DI ‡ 1.1 mm² 0.81x1.37 mm 970 nm 0.65 A/W 0.10 nA 5 pF 10 ns 30 V 4 / TO-18 Click to View Larger Image of (PIN-2DI ‡)
PIN-3CD 3.2 mm² 1.27 X 2.54 mm 970 nm 0.65 A/W 0.15 nA 12 pF 10 ns 30 V 7 / TO-18 Click to View Larger Image of (PIN-3CD)
PIN-3CDI 3.2 mm² 1.27 X 2.54 mm 970 nm 0.65 A/W 0.15 nA 12 pF 10 ns 30 V 4 / TO-18 Click to View Larger Image of (PIN-3CDI)
PIN-5D 5.1 mm² 2.54 Φ mm 970 nm 0.65 A/W 0.25 nA 15 pF 12 ns 30 V 2 / TO-5 Click to View Larger Image of (PIN-5D)
PIN-5DI 5.1 mm² 2.54 Φ mm 970 nm 0.65 A/W 0.25 nA 15 pF 12 ns 30 V 5 / TO-5 Click to View Larger Image of (PIN-5DI)
PIN-13D 13 mm² 3.6 mm² 970 nm 0.65 A/W 0.35 nA 40 pF 14 ns 30 V 2 / TO-5 Click to View Larger Image of (PIN-13D)
PIN-13DI 13 mm² 3.6 mm² 970 nm 0.65 A/W 0.35 nA 40 pF 14 ns 30 V 5 / TO-5 Click to View Larger Image of (PIN-13DI)
PIN-6D 16.4 mm² 4.57 Φ mm 970 nm 0.65 A/W 0.5 nA 60 pF 17 ns 30 V 3 / TO-8 Click to View Larger Image of (PIN-6D)
PIN-6DI 16.4 mm² 4.57 Φ mm 970 nm 0.65 A/W 0.5 nA 60 pF 17 ns 30 V 8 / TO-8 Click to View Larger Image of (PIN-6DI)
PIN-44D 44 mm² 6.6 mm² 970 nm 0.65 A/W 1 nA 130 pF 24 ns 30 V 3 / TO-8 Click to View Larger Image of (PIN-44D)
PIN-44DI 44 mm² 6.6 mm² 970 nm 0.65 A/W 1 nA 130 pF 24 ns 30 V 6 / TO-8 Click to View Larger Image of (PIN-44DI)
PIN-10D 100 mm² 11.28 Φ mm 970 nm 0.65 A/W 2 nA 300 pF 43 ns 30 V 11 / BNC Click to View Larger Image of (PIN-10D)
PIN-10DI 100 mm² 11.28 Φ mm 970 nm 0.65 A/W 2 nA 300 pF 43 ns 30 V 10 / Lo-Prof Click to View Larger Image of (PIN-10DI)
PIN-25D 613 mm² 27.9 Φ mm 970 nm 0.65 A/W 15 nA 1800 pF 250 ns 30 V 12 / BNC Click to View Larger Image of (PIN-25D)

Plastic Package §

Model Number Active Area Active Area Dimensions Peak Wavelength Responsivity Dark Current Capacitance Rise Time Reverse Bias Package Click Image to Zoom
FIL-5C 5.1 mm² 2.54 Φ mm 970 nm 0.65 A/W 1 nA 15 pF 12 ns 30 V 14 / Plastic Click to View Larger Image of (FIL-5C)
FIL-20C 16.4 mm² 4.57 Φ mm 970 nm 0.65 A/W 5 nA 60 pF 17 ns 30 V 14 / Plastic Click to View Larger Image of (FIL-20C)
FIL-44C 44 mm² 6.6 mm² 970 nm 0.65 A/W 8 nA 130 pF 24 ns 30 V 15 / Plastic Click to View Larger Image of (FIL-44C)
FIL-100C 100 mm² 11.28 Φ mm 970 nm 0.65 A/W 12 nA 300 pF 43 ns 30 V 15 / Plastic Click to View Larger Image of (FIL-100C)
PIN-220D 200 mm² 10 x 20 mm 970 nm 0.65 A/W 15 nA 600 pF 75 ns 30 V 27 / Plastic Click to View Larger Image of (PIN-220D)
‡ The 'I' suffix on the model number is indicative of the photodiode chip being isolated from the the package by an additional pin connected to the case.
§ The photodiode chips in “FIL” series are isolated in a low profile plastic package. They have a large field of view as well as “in line” pins.