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Photodetectors
| Model No. |
ET-2000
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ET-2020
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ET-2030
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ET-2040
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| Detector Type |
PIN
|
PIN
|
PIN
|
PIN
|
| Spectral Response |
See Product Info PDF |
See Product Info PDF |
See Product Info PDF
|
See Product Info PDF
|
| Risetime |
<200ps
|
<1.5ns
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<300ps
|
<30ns
|
| Falltime |
<350ps
|
<1.5ns
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<300ps
|
<30ns
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| Responsivity @830nm |
0.4mA/W
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0.5A/W
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0.4A/W
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0.5A/W
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| Bias Voltage |
3V
|
24Va
|
9V
|
24Va
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| Cut Off Frequency (into 50?) |
>1.5GHz
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>200MHz
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>1.2GHz
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>25MHz
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| Active Area |
0.006mm2
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2.55mm dia.
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0.4mm dia.
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4.57mm dia.
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| Dark Current |
<1nA
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<10nA
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<0.1nA
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<20nA
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| Junction Capacitance |
<4pF
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<10pF
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<1.5pF
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<45pF
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| Reverse Breakdown Voltage |
40V
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150V
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20V
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50V
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| Acceptance Angle (1/2 Angle) |
20°
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50°
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30°
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60°
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| Noise Equivalent Power (pW/√Hz) |
<0.1
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<1.0
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<0.0015
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<0.16
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| Max linear ratings |
20ns pulse at
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cw density: 5mA/mm2
|
10mA |
cw current: 2mA
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20mJ for 3mm dia beam (damage)
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pulse density: 20mA/mm2
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optical input: 3mW
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| Connector |
BNC
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BNC
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BNC
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BNC
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| Mounting (Tapped Hole) |
8-32 and M4
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8-32 and M4
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8-32 and M4
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8-32 and M4
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| Price (North America Only) |
$275.00
|
$395.00
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$275.00
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$295.00
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| Qty. |
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Notes:
- The ET-2020 and ET-2040 utilize wall plug-in power supplies. All other biased silicon photodetectors utilize long life 3V lithium cell(s).
- The ET-2000 and ET-2030 can be purchased with an optional wall plug in power supply. See Price List for cost.
- Standard photodetectors have a positive bias. Photodetectors with a negative bias are available as a special option.
- These photodetectors are not intenally terminated.
- A 50Ω termination is optimal.
- The ET-2030 can be ordered with a FC fiber input receptacle. See Price List for cost.
- For more information on our biased silicon photodetectors, please view the Photodetector Application Notes page in our Publications & Technical Support section of the website.
- For information on the use of our biased silicon photodetectors, please view the Photodetectors Users Guide page in our Publications & Technical Support section of the website.
- The ET-2020 and ET-2040 have active areas large enough to provide power measurements. For information on how to calculate the incident power on the photodetector using the output voltage on your oscilloscope, please visit our Incident Power Calculator in the Publications & Technical Support section of our website.
- To convert frequency response to time domain response or vice versa, please view our Frequency Response to Time Domain Response Conversion calculator on our Publications & Technical Support section.
- To convert between watts and dBm, please view the Power Conversion Calculator on the Publications & Technical Support section of this website.
Warranty/Terms and Conditions: Please visit the Photodetector Warranty/Terms and Conditions pages in the Publications & Technical Support section of this website. |
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