In today’s electronics landscape, reliable signal isolation is critical for industrial and consumer applications. The MOC216R2VM from Fairchild Semiconductor stands out with its 2.5kV isolation voltage, 150mA output current, and compact SOIC-8 package. Designed for high-density PCB layouts, this optocoupler ensures safety compliance (UL1577, DIN-EN/IEC60747-5-5) while simplifying logic interfacing. Discover how this component meets market demands for efficiency and durability—read on for detailed specifications and use cases.

Product Overview
The MOC216R2VM integrates a GaAs infrared LED with a silicon phototransistor, offering DC output in a surface-mountable SOIC-8 package. Key highlights include:
Isolation Voltage: 2,500VRMS (UL1577 certified)
Output Current: 150mA max
Temperature Range: -40°C to +100°C
Current Transfer Ratio (CTR): ≥50% at 1mA
Source: Fairchild Semiconductor Datasheet
Core Parameters
| Parameter | Value |
|---|---|
| Maximum Collector-Emitter Voltage | 30V |
| Forward Voltage (Typical) | 1.07V |
| Rise/Fall Time | 3.2µs / 4.7µs |
| Package Dimensions | 5.13mm × 4.16mm × 3.43mm |
Selection Guide
When choosing the MOC216R2VM, consider:
Isolation Needs: Opt for 2.5kV isolation in high-voltage environments.
Current Requirements: Ensure CTR ≥50% matches your circuit’s sensitivity.
Package Constraints: SOIC-8 suits space-limited designs.
Comparison with Similar Models:
MOC211M: Lower CTR (20%) but cheaper.
MOC217M: Higher BVCEO (70V) for rugged applications.
Applications
Industrial Motor Controls: Isolate feedback signals in variable-frequency drives.
Consumer Appliances: Safe switching in smart home devices.
Figure 1: Typical isolation circuit for motor control.
Market Analysis
The global optocoupler market is projected to grow at 6.8% CAGR (2023–2030), driven by industrial automation and EV demand. The MOC216R2VM’s compliance with UL/DIN standards positions it well for these sectors.
Source: MarketsandMarkets™ Industry Report
Frequently Asked Questions
Q1: What’s the maximum LED forward current?
A: 60mA (per datasheet).
Q2: Is this RoHS compliant?
A: Yes, it meets RoHS standards.
Q3: Can it replace mechanical relays?
A: Yes, for low-power DC switching.
Q4: How does temperature affect CTR?
A: CTR decreases by ~0.5%/°C above 25°C.
Q5: Is PPAP certification available?
A: No, this part is not PPAP-approved.
Future Trends
Advancements in GaN-based optocouplers may improve speed, but silicon phototransistors like the MOC216R2VM will remain cost-effective for medium-speed applications.
For pricing or technical support, contact sales@censtry.com.