In an era where industrial automation and power electronics demand robust signal isolation, the PC910L0YSZ from Sharp Microelectronics stands out as a reliable solution. This 5kV optoisolator combines high-speed data transmission (10Mbps) with exceptional common-mode transient immunity (10kV/µs), addressing critical needs in motor control, PLCs, and renewable energy systems. With its open-collector output and wide operating temperature range (-40°C to 85°C), the PC910L0YSZ ensures signal integrity in harsh environments. Read on to discover its technical advantages, application scenarios, and how it compares to alternatives.
Product Overview
The PC910L0YSZ is a 1-channel logic output optoisolator from Sharp’s OPIC™ series, featuring:
Isolation Voltage: 5000Vrms (certified per IEC standards)
Data Rate: 10Mbps for high-speed signal transmission
Output Type: Open collector (50mA sink current)
CMTI: 10kV/µs (min) for noise immunity
Package: 8-DIP through-hole (7.62mm spacing)
Figure 1: Pin configuration of PC910L0YSZ (Source: Sharp datasheet)
Key Specifications
| Parameter | Value | Standard |
|---|---|---|
| Supply Voltage | 4.5V–5.5V | Sharp DS Rev.2.1 |
| Propagation Delay | 75ns (max) | IEC 60747-5-5 |
| Forward Current (If) | 20mA (max) | JEDEC JESD22-A104 |
Selection Guide
Choose PC910L0YSZ when:
High Noise Immunity: Required in industrial motor drives (CMTI 10kV/µs)
Moderate Speed: 10Mbps suits RS-485/CAN interfaces
Cost-Effective Isolation: Compared to magnetic isolators
Avoid if needing >20mA output current or surface-mount packages.
Applications
Industrial PLCs: Isolate digital I/O modules (refer to IEC 61131-2)
Solar Inverters: Gate drive isolation in 1500V systems
Medical Devices: Patient monitoring equipment (compliant with IEC 60601-1)
Market Trends
Per MarketsandMarkets™ (2023), the optocoupler market will grow at 6.2% CAGR, driven by:
Expansion of Industry 4.0
EV charging infrastructure
Though marked obsolete by Sharp, PC910L0YSZ remains popular in legacy designs due to its proven reliability.
Alternatives Comparison
| Model | Isolation | Speed | Price |
|---|---|---|---|
| PC910L0YSZ | 5kV | 10Mbps | $1.20* |
| HCPL-2630 | 3kV | 10Mbps | $1.50 |
*Qty 1k, 2024 distributor data
Frequently Asked Questions
Q1: Is PC910L0YSZ RoHS compliant?
A: Yes, per Sharp’s environmental datasheet (2018 revision).
Q2: Can it replace HCPL-2630?
A: Only if 5kV isolation is mandatory; otherwise, verify signal timing.
Q3: What’s the typical lifespan?
A: >100,000 hours at 85°C (accelerated life testing data).
Q4: Recommended PCB layout practices?
A: Maintain 8mm creepage distance per IPC-2221.
Q5: Why is it marked obsolete?
A: Sharp discontinued the OPIC™ line but supports last-time buys.
Future Trends
While newer SiC-based isolators offer higher speeds, optocouplers like PC910L0YSZ retain niche uses in:
High-voltage test equipment
Retrofit designs
Contact our sales team for last-time-buy options or alternative recommendations: [email protected]
