PC817 Optocoupler – DIP-4 | Opto-Isolator IC Subtotal: ₹7.00
Technolab Electronics
Showing all 4 results
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Automation PCBs, Custom PCBs & Breakout Boards
4-Channel Smart Home Automation PCB | ESP32 Based | Fully Assembled – Model TMT4N25
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Automation PCBs, Custom PCBs & Breakout Boards4-Channel Smart Home Automation PCB | ESP32 Based | Fully Assembled – Model TMT4N25
- Model: TMT4N25
- Microcontroller: ESP32 (Wi-Fi + Bluetooth)
- Channels: 4 AC Load Outputs
- Control: Internet + Manual Switch
- Safety: Onboard Fuse (Overload & Short Circuit)
- Connectors: Heavy-Duty Terminals + JST for Switches
- Programming: USB (No External Programmer Needed)
- Build: Through-Hole Components
- Dimensions: 87 mm × 82.8 mm
SKU: 0038 -
Automation PCBs
8-Channel Home-Automation PCB, Model-SMT8N25 (fully assembled)
- Model SMT8N25 – ESP32-based 8-channel relay board for smart-home projects
- Controls up to 8 AC appliances; heavy-duty screw terminals resist arcing
- Built-in ESP32-WROOM with Wi-Fi + BLE; ready for Blynk, ESP-RainMaker, KME Smart, CADIO, Arduino IoT Cloud
- USB-C programming port (CP2102N auto-reset) — no external programmer needed
- On-board safety features: fast-blow fuse + optocoupler isolation between mains and logic
- Plug-and-play JST headers for wall switches, DHT sensor, IR receiver, and buzzer
- Exposed UART, 3.3 V, 5 V, GND pins for easy expansion
- Slim 142 × 70 mm PCB fits behind standard 6-/8-gang switch plates
SKU: SMT8N25-0037 -
Uncategorized
IR Flame/Fire Sensor Module | Infrared Detection for Fire Alarms & Safety Systems
- Operating Voltage: 3.3V – 5V
- Wavelength Detection Range: 760nm – 1100nm (infrared spectrum)
- Output Type: Digital (DO) and Analog (AO)
- Detection Distance: 0 – 100 cm (depending on flame size and brightness)
- Response Time: <15ms
- PCB Dimensions: Approx. 3.2cm x 1.4cm
- Mounting Hole Size: Standard M2
- Operating Temperature: -25°C to +85°C
SKU: 0036 -
Uncategorized
PC817 Optocoupler – DIP-4 | Opto-Isolator IC
Technical Specifications
- Input LED Forward Voltage – 1.2V (typical)
- Input LED Forward Current – 20mA (typical)
- Output Collector – Emitter Voltage – 80V (maximum)
- Isolation Voltage – 5000 Vrms (1 minute)
- Current Transfer Ratio (CTR) – 50% to 600% (depending on model)
- Response Time – 4 µs (typical)
- Operating Temperature – 30°C to +100°C
- Package Type – DIP-4
SKU: TLE-OPC817
