TLP748J DIP-6 SCR Output Optoisolator
TLP748J: DIP-6 Optoisolator with SCR output, 4000 Vrms isolation, 600 V OFF-state voltage. For office machines and household equipment.
37.50 EGP
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The TLP748J is a high-performance photocoupler featuring an infrared emitting diode (IRED) optically coupled to a photo-thyristor. Encased in a compact six-lead plastic Dual In-line Package (DIP-6), this device is engineered for applications requiring reliable electrical isolation and AC load switching. With a peak OFF-state voltage of 600 V, a maximum trigger LED current of 10 mA, and an ON-state current capacity of up to 150 mA, the TLP748J ensures robust performance. It boasts an isolation voltage of 4000 Vrms, making it ideal for safety-critical environments. Suitable for office machines, household equipment, solid state relays, and switching power supplies.
Features
- Peak OFF-state Voltage: 600 V (min)
- Trigger LED Current: 10 mA (max)
- ON-state Current: 150 mA (max)
- Isolation Voltage: 4000 Vrms (min)
- Compact DIP-6 Package: Ideal for through-hole PCB mounting
- AC Load Switching: SCR output for efficient control
- Operating Temperature Range: -40°C to 100°C
- High Insulation: Minimum creepage distance and clearance of 7.0 mm
Specifications
| Input (LED) | |||
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Forward Current | I_F | 50 | mA |
| Peak Forward Current (100 μs pulse, 100 pps) | I_FP | 1 | A |
| Reverse Voltage | V_R | 5 | V |
| Forward Voltage (I_F = 10 mA) | V_F | 1.0 to 1.3 | V |
| Output (Photo-Thyristor) | |||
| Parameter | Symbol | Value | Unit |
| Peak Forward Voltage (R_GK = 27 kΩ) | V_DRM | 600 | V |
| Peak Reverse Voltage (R_GK = 27 kΩ) | V_RRM | 600 | V |
| ON-state Current | I_T(RMS) | 150 | mA |
| Peak ON-state Current (100 μs pulse, 120 pps) | I_P | 3 | A |
| ON-state Voltage (I_TM = 100 mA) | V_TM | ≤ 1.45 | V |
| Trigger LED Current (V_AK = 6 V, R_GK = 27 kΩ) | I_FT | ≤ 10 | mA |
| OFF-state dv/dt (V_AK = 420 V, R_GK = 27 kΩ) | dv/dt | ≥ 5 | V/μs |
| General | |||
| Parameter | Symbol | Value | Unit |
| Isolation Voltage (AC, 60 s, R.H. ≤ 60%) | BV_S | 4000 | Vrms |
| Operating Temperature Range | T_opr | -40 to 100 | °C |
| Storage Temperature Range | T_stg | -55 to 125 | °C |
| Lead Soldering Temperature (10 s) | T_sol | 260 | °C |
| Insulation Specifications (Option D4) | |||
| Parameter | Symbol | Value | Unit |
| Minimum Creepage Distance | Cr | 7.0 | mm |
| Minimum Clearance | Cl | 7.0 | mm |
| Minimum Insulation Thickness | ti | 0.4 | mm |
| Comparative Tracking Index | CTI | 175 | – |
| Maximum Operating Insulation Voltage (TLPxxx type) | – | 890 | Vpk |
| Highest Permissible Overvoltage | – | 8000 | Vpk |
Pin Configuration
- Pin 1: Anode (LED)
- Pin 2: Cathode (LED)
- Pin 3: N.C. (No Connection)
- Pin 4: Cathode (Thyristor)
- Pin 5: Anode (Thyristor)
- Pin 6: Gate (Thyristor)
Applications
- Solid State Relays: For isolated switching in automation systems
- Switching Power Supplies: Efficient power management
- Office Machines: Copiers, printers, and fax machines
- Household Appliances: Control circuits in washing machines, refrigerators, etc.
- Industrial Controls: Motor drives and process control systems
- Motor Controls: AC motor switching and speed regulation
DataSheet
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