Overview
The PC817XI2 is a general-purpose optocoupler produced by Sharp Microelectronics. It combines an infrared LED (IRED) optically coupled to a phototransistor in a single package. This device is designed to provide electrical isolation between the input and output circuits, making it suitable for various applications requiring signal transmission between different potential and impedance levels.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. |
|---|---|---|---|---|
| Forward Voltage (VF) | - | 1.2 V | - | 1.4 V |
| Peak Forward Voltage (VFM) | - | - | - | 3.0 V |
| Collector-Emitter Voltage (VCEO) | - | - | - | 80 V |
| Current Transfer Ratio (CTR) at IF=5mA, VCE=5V | - | 50% | - | 600% |
| Input-Output Isolation Voltage (Viso(rms)) | - | - | - | 5.0 kV |
| Collector-Emitter Saturation Voltage (VCE(sat)) | - | - | - | 0.2 V |
| Isolation Resistance (RISO) | - | - | - | 1 x 10^11 Ω |
Key Features
- High collector-emitter voltage (VCEO: 80V)
- High input-output isolation voltage (Viso(rms): 5.0 kV)
- Current transfer ratio (CTR) ranges from 50% to 600% at an input current of 5mA
- Available in 4-pin DIP package with wide-lead spacing and SMT gullwing lead-form options
- UL1577 recognized (Double protection isolation) and UL flammability grade (94V-0) for the package resin
Applications
- I/O isolation for Micro Controller Units (MCUs)
- Noise suppression in switching circuits
- Signal transmission between circuits of different potentials and impedances
Q & A
- What is the PC817XI2?
The PC817XI2 is a general-purpose optocoupler that combines an IRED optically coupled to a phototransistor in a single package. - What is the collector-emitter voltage (VCEO) of the PC817XI2?
The collector-emitter voltage (VCEO) is 80V. - What is the input-output isolation voltage of the PC817XI2?
The input-output isolation voltage is 5.0 kV (rms). - What are the package options for the PC817XI2?
The device is available in 4-pin DIP packages with wide-lead spacing and SMT gullwing lead-form options. - What are the typical applications of the PC817XI2?
Typical applications include I/O isolation for MCUs, noise suppression in switching circuits, and signal transmission between circuits of different potentials and impedances. - Is the PC817XI2 UL recognized?
Yes, it is recognized by UL1577 (Double protection isolation) and has a UL flammability grade (94V-0) for the package resin. - What is the current transfer ratio (CTR) of the PC817XI2?
The CTR ranges from 50% to 600% at an input current of 5mA. - Can the PC817XI2 withstand high temperatures?
The device can withstand reflow temperatures up to 220°C for 60 seconds or less and preheat temperatures between 150°C to 180°C for 120 seconds or less. - Is the PC817XI2 obsolete?
Yes, the PC817XI2 is obsolete and no longer manufactured. - What are the recommended cleaning methods for the PC817XI2?
Recommended cleaning methods include solvent cleaning with ethyl alcohol, methyl alcohol, or isopropyl alcohol, and ultrasonic cleaning under specific conditions to ensure the device withstands the process.
