Manufacturer Part Number
HMA121CR3V
Manufacturer
Fairchild (onsemi)
Introduction
High-reliability optoisolator with transistor output, designed for industrial, telecommunications, and consumer applications.
Product Features and Performance
High current transfer ratio (100-200% @ 5mA)
Wide operating temperature range (-40°C to 100°C)
Fast response time (3µs rise/fall time)
Low VCE saturation voltage (400mV max)
High output current capability (80mA per channel)
High isolation voltage (3750Vrms)
Single-channel configuration
Product Advantages
Reliable electrical isolation between input and output
Efficient power transfer with high CTR
Wide temperature range for industrial applications
Small 4-SMD package for space-constrained designs
Key Technical Parameters
Current Transfer Ratio: 100-200% @ 5mA
Operating Temperature: -40°C to 100°C
Voltage Isolation: 3750Vrms
VCE Saturation Voltage: 400mV max
Output Current: 80mA per channel
Quality and Safety Features
RoHS3 compliant
Designed for industrial-grade reliability
Compatibility
Suitable for industrial, telecommunications, and consumer applications requiring electrical isolation and high-reliability performance.
Application Areas
Industrial control and automation
Telecommunications equipment
Consumer electronics
Power supplies
Motor drives
Product Lifecycle
Current production part, no known discontinuation plans
Replacement and upgrade options available from Fairchild (onsemi)
Key Reasons to Choose This Product
Reliable electrical isolation between input and output
High current transfer ratio and output current capability
Wide operating temperature range for industrial applications
Fast response time and low VCE saturation voltage
Small 4-SMD package for space-constrained designs
RoHS3 compliance for environmental responsibility
