S102S11 Solid State Relay (SSR) Technical Summary

Overview

The S102S11 is a high-performance solid state relay designed for industrial and commercial switching applications. This optically isolated relay provides reliable AC load switching without mechanical contacts, offering superior lifespan and noise-free operation compared to electromechanical relays. The device features built-in snubber circuitry for transient suppression and is optimized for both 100V and 200V AC line operation.

Key Features

• Optically isolated design - 4,000Vrms input/output isolation voltage
• Wide load voltage range - Compatible with both 100V and 200V AC lines
• Built-in snubber circuit - Provides effective transient suppression for inductive loads
• Zero-crossing trigger - Reduces EMI and inrush current
• Long operational life - No moving parts ensures millions of switching cycles
• Compact package - Space-saving design for PCB mounting
• Low control current - Typically 7.5mA for input activation

Applications

Primary Applications

• Automatic vending machines - For controlling motors, heaters, and payment mechanisms
• Amusement equipment - Reliable switching for game mechanisms and lighting systems
• Programmable controllers - Interface between control logic and power circuits

Secondary Applications

• Industrial automation systems
• Temperature control equipment
• Lighting control systems
• Office automation equipment
• Power distribution systems

Electrical Characteristics

Input Specifications

• Control voltage range: 3-32V DC
• Input current (typical): 7.5mA @ 5V
• Turn-on voltage (max): 3V DC
• Turn-off voltage (min): 1V DC
• Input resistance: 400Ω ±20%

Output Specifications

• Load voltage range: 75-264V AC
• Maximum load current: 2A RMS
• Leakage current: ≤1mA @ 200V AC
• On-state voltage drop: ≤1.6V RMS
• Minimum load current: 10mA
• Switching time (turn-on): ≤1ms at zero cross
• Switching time (turn-off): ≤1ms at zero cross

Isolation Characteristics

• Input/output isolation voltage: 4,000Vrms
• Insulation resistance: ≥1,000MΩ @ 500V DC

Package Information

Mechanical Specifications

• Package type: DIP-4 (Dual In-line Package)
• Dimensions: 19.0mm (L) × 7.5mm (W) × 10.5mm (H)
• Pin spacing: 2.54mm pitch
• Terminal material: Tin-plated copper alloy
• Weight: Approximately 2.5g

Pin Configuration

• Pin 1: Anode (+) input
• Pin 2: Cathode (-) input
• Pin 3: Normally Open (NO) output
• Pin 4: Common (COM) output

Reliability Data

• Operational temperature range: -30°C to +80°C
• Storage temperature range: -40°C to +100°C
• Humidity resistance: 20-85% RH (non-condensing)
• Vibration resistance: 10-55Hz, 1.5mm amplitude
• Shock resistance: 100m/s² (approx. 10G)

Installation Guidelines

PCB Layout Recommendations

• Maintain minimum 3mm clearance between input and output traces
• Use 2oz copper for high current paths
• Provide adequate heat dissipation for continuous high-current operation
• Keep sensitive signal traces away from output terminals

Thermal Considerations

• Derate load current at elevated ambient temperatures
• For continuous operation at maximum load current, consider adding heatsink
• Allow for proper air circulation around the component

Safety and Compliance

• UL recognized component
• CE compliant
• RoHS compliant
• IEC 62368-1 safety standard

Ordering Information

• Standard packaging: Tube, 50 pieces
• MOQ: 100 pieces
• Lead time: 2-4 weeks for standard orders