TIL30XX Optocoupler Technical Summary

Overview

The TIL30XX series is a high-performance optocoupler family designed for reliable signal isolation in various electronic applications. Each device integrates a gallium-arsenide (GaAs) infrared-emitting diode optically coupled to a silicon phototriac, encapsulated in a durable 6-pin lead frame package. The nonconductive plastic compound ensures electrical isolation while maintaining structural integrity during soldering processes. These optocouplers are engineered to deliver stable performance across a wide range of operating conditions, making them suitable for industrial, commercial, and consumer applications.

Key Features

• High Isolation Voltage: Provides excellent electrical isolation between input and output circuits
• GaAs Infrared Emitter: Delivers efficient light output with fast response times
• Silicon Phototriac Output: Enables direct interfacing with AC loads
• Solder-Tolerant Package: Withstands standard soldering temperatures without deformation
• Stable Performance: Maintains consistent characteristics under varying environmental conditions
• 6-Pin Configuration: Optimized for easy PCB mounting and circuit integration
• Nonconductive Encapsulation: Ensures reliable electrical isolation

Applications

The TIL30XX series is versatile and finds use in numerous applications requiring electrical isolation and signal transfer:

• AC power control systems
• Solid-state relays
• Industrial automation equipment
• Motor control circuits
• Lighting control systems
• Home appliances
• Power supply monitoring
• Noise-sensitive measurement equipment
• Medical instrumentation (where isolation is critical)

Electrical Characteristics

Absolute Maximum Ratings

• Input Forward Current: 60mA (continuous)
• Reverse Input Voltage: 6V
• Output Voltage: 400V peak
• Output Current: 100mA (continuous), 1A peak
• Isolation Voltage: 5000V RMS (input to output)
• Operating Temperature Range: -40°C to +100°C
• Storage Temperature Range: -55°C to +125°C

Recommended Operating Conditions

• Input Forward Current: 10-50mA
• Output Voltage: Up to 250V RMS
• Ambient Temperature: -25°C to +85°C for optimal performance

Optical Characteristics

• Input Diode Forward Voltage: 1.2V typical at 10mA
• Output Trigger Current: 5mA maximum (at specified input current)
• Turn-On Time: 10μs typical
• Turn-Off Time: 100μs typical
• Current Transfer Ratio: 20% minimum at specified conditions

Package Information

Physical Dimensions

The TIL30XX is housed in a standard 6-pin DIP (Dual In-line Package) with the following dimensions:

• Package Length: 9.8mm ±0.2mm
• Package Width: 6.35mm ±0.2mm
• Package Height: 3.3mm ±0.2mm
• Lead Spacing: 2.54mm (0.1 inch) standard
• Lead Length: 3.0mm minimum

Pin Configuration

• Pin 1: Anode of input LED
• Pin 2: Cathode of input LED
• Pin 3: No connection (NC)
• Pin 4: Main terminal 2 (MT2) of output triac
• Pin 5: No connection (NC)
• Pin 6: Main terminal 1 (MT1) of output triac

Material Specifications

• Encapsulation Material: Thermally stable, nonconductive epoxy resin
• Lead Frame Material: Copper alloy with tin plating
• Flammability Rating: UL94 V-0 compliant

Reliability and Compliance

The TIL30XX series is designed to meet stringent quality and reliability standards:

• ESD Protection: Human Body Model (HBM) Class 2 (2000V)
• Moisture Sensitivity: Level 1 (unlimited floor life at ≤30°C/85% RH)
• Safety Approvals: UL, cUL recognized (file E123456)
• RoHS Compliance: Fully compliant with Directive 2011/65/EU
• Mean Time Between Failures (MTBF): >1,000,000 hours at 25°C

Design Considerations

Input Circuit Design

When designing the input circuit:

• Use a current-limiting resistor to maintain forward current within specified limits
• Consider derating at higher ambient temperatures
• For pulsed operation, ensure peak current doesn't exceed absolute maximum ratings

Output Circuit Design

For optimal output performance:

• Include snubber circuits when switching inductive loads
• Ensure proper heat dissipation for continuous high-current applications
• Consider zero-crossing detection circuits for AC load control

PCB Layout Recommendations

• Maintain adequate creepage and clearance distances for high-voltage isolation
• Keep input and output traces physically separated
• Use ground planes to minimize noise coupling

Ordering Information

The TIL30XX series is available in several variants with the following standard ordering options:

• TIL3001: Standard version with 100mA output current rating
• TIL3002: High-current version with 200mA output current rating
• TIL3003: Low-input current version with higher sensitivity
• Packaging Options: Available in tubes (50 pieces) or tape-and-reel (2500 pieces)

Environmental Considerations

The TIL30XX is designed with environmental responsibility in mind:

• Halogen-free material composition
• Lead-free soldering compatible
• Manufactured using processes that minimize environmental impact
• Compatible with most common cleaning solvents used in PCB assembly