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TOSHIBA Photocoupler GaAs Ired & Photo-Thyristor
TLP541G,TLP542G
Programmable Controllers AC−Output Module Solid State Relay
The TOSHIBA TLP541G consists of a photo−thyristor optically coupled to a gallium arsenide infrared emitting diode in a six lead plastic DIP package.
The TOSHIBA TLP542G consists of a photo−thyristor optically coupled to a gallium arsenide infrared emitting diode in a seven lead plastic DIP package.
* Peak off-state voltage: 400 V (min.)
* Trigger LED current: 7 mA (max.)
* On-state current: 150 mA (max.)
* Isolation voltage: 2500 Vrms (min.)
* UL recognized: UL1577, file no. E67349 Pin
Pin Configuration (top view)
Absolute Maximum Ratings (Ta = 25°C)
| Characteristic | Symbol | Rating | Unit | |
| LED | Forward current | IF | 70 | mA |
| Forward current derating(Ta ≥ 25°C) | ΔIF / °C | −0.7 | mA /°C | |
| Pulse forward current (100μs pulse, 100pps) | IFP | 1 | A | |
| Reverse voltage | VR | 5 | V | |
| Junction temperature | Tj | 125 | °C | |
| Detector | Peak forward voltage (RGK = 27kΩ) | VDRM | 400 | V |
| Peak reverse voltage (RGK = 27kΩ) | VRRM | 400 | V | |
| On-state current | IT(RMS) | 150 | mA | |
| On-state current derating (Ta ≥ 25°C) | ∆IT / °C | -2.0 | mA/°C | |
| Peak one cycle surge current | ITSM | 2 | A | |
| Peak reverse gate voltage | VGM | −5 | V | |
| Junction temperature | Tj | 100 | °C | |
| Storage temperature range | Tstg | -55~125 | °C | |
| Operating temperature range | Topr | -30~100 | °C | |
| Lead soldering temperature(10s) | Tsol | 260 | °C | |
| Isolation voltage(AC, 1min., R.H.≤ 60%) (Note) | BVS | 2500 | Vrms | |
(Note) Device considered a two terminal device: LED side pins shorted together and detector side pins shorted together.
Recommended Operating Conditions
| Characteristic | Symbol | Min. | Typ. | Max. | Unit |
| Supply voltage | VAC | -- | -- | 120 | Vac |
| Forward current | IF | 10 | 16 | 25 | mA |
| Operating temperature | Topr | -30 | -- | 85 | °C |
| Gate to cathode resistance | RGK | -- | 27 | 33 | kΩ |
| Gate to cathode capacity | CGK | -- | 0.01 | 0.1 | µF |