Optocoupler Transistor TLP 250

Product Overview
The Optocoupler Transistor TLP250 is a high-speed, high-isolation voltage photocoupler designed for driving power devices like IGBTs and MOSFETs in industrial and automotive systems. Combining an integrated gallium arsenide infrared LED and a photodetector with power output, it ensures safe signal isolation and reliable switching in motor controls, inverters, and switching power supplies. Its compact design and robust performance make it ideal for noise-prone environments.

Key Features

• High Isolation Voltage: Withstands 2500Vrms for reinforced electrical isolation.
• Wide Supply Voltage Range: Operates from 10V to 35V, compatible with diverse control circuits.
• Peak Output Current: Delivers up to ±0.5A for driving high-power transistors.
• Fast Switching Speed: 0.5μs maximum propagation delay for precision timing.
• Low Power Consumption: Input LED requires only 5mA (typical) for activation.
• Compact Package: 8-pin DIP design with creepage/clearance distance compliant with safety standards.
• Compliance: Certified by UL, CSA, VDE, and RoHS for global safety requirements.

Electrical Specifications

• Isolation Voltage (Viso): 2500Vrms
• Supply Voltage (VCC): 10V–35V
• Output Current (Io): ±0.5A (peak)
• Propagation Delay (tp): 0.5μs (max)
• Rise/Fall Time (tr/tf): 0.2μs (typical)
• Operating Temperature: -40°C to +100°C

Benefits

• Enhanced Safety: Galvanic isolation protects low-voltage control circuits from high-voltage surges.
• Noise Immunity: Shielding against EMI/RFI ensures stable performance in industrial settings.
• Compact Integration: Combines driver and isolator in one package, reducing PCB footprint.
• Wide Temperature Range: Reliable operation in extreme thermal conditions.

Usage Instructions

1. Wiring: Connect input pins (1-2) to the control circuit; output pins (6-8) to the gate driver.
2. Power Supply: Apply 10–35V DC to VCC (pin 8) and GND (pin 5).
3. Activation: Drive input LED with 5–20mA (pins 1-2) to trigger output.
4. Installation: Maintain recommended creepage distances for high-voltage isolation.
5. Thermal Management: Ensure ambient temperature stays within rated limits.

Safety & Storage

• Handling: Use ESD-safe tools; avoid bending pins during installation.
• Storage: Keep in anti-static packaging at -40°C to +100°C and <70% humidity.
• Operational Limits: Do not exceed isolation voltage or output current ratings.

Applications

• IGBT/MOSFET gate driving in motor drives and inverters
• Solar/wind power inverters and UPS systems
• Industrial automation and PLC interfaces
• EV charging systems and automotive power electronics
• Switching power supplies and AC-DC converters

Why Choose TLP250?
The Optocoupler Transistor TLP250 delivers precision, safety, and durability for critical power electronics applications. Its industry-leading isolation voltage, fast response time, and compact form factor make it indispensable for engineers designing high-voltage systems requiring robust signal isolation. Certified to meet global standards, the TLP250 ensures long-term reliability in automotive, renewable energy, and industrial automation workflows.