The TLP187(TPL,E(T) is a high-performance optocoupler featuring an InGaAs infrared LED coupled with a darlington transistor, offering high gain, high isolation voltage, and strong noise immunity.
The TLP187(TPL,E(T) is a high-performance optocoupler featuring an InGaAs infrared LED coupled with a darlington transistor, offering high gain, high isolation voltage, and strong noise immunity. Its compact SO6 surface-mount package enables high-density PCB layouts, while the 300V collector-emitter voltage and 3750Vrms isolation voltage make it suitable for industrial control and home appliances, effectively isolating high-voltage signals for stable operation in harsh environments.
Key Features
Ultra-High Collector-Emitter Voltage: Supports a 300V minimum VCEO, ideal for high-voltage DC signal isolation in industrial-grade applications.
Exceptional Current Transfer Ratio (CTR): Achieves a 1000% minimum CTR (@IF=1mA, VCE=1V), enabling efficient amplification and reliable transmission of weak signals.
Robust Electrical Isolation: Provides 3750Vrms minimum isolation voltage to block grid noise and surges, complying with industrial safety standards to protect system integrity.
Wide Temperature Operation: Operates stably from -55℃ to 110℃, eliminating the need for additional temperature control in extreme environments.
Multiple Certifications & Compact Package: Certified by UL1577, cUL, VDE, CQC, and housed in a space-saving SO6 package, suitable for high-density surface mounting.
Technical Specifications
Item
Parameters
Model
TLP187(TPL,E(T)
Isolation Type
Optoelectronic (InGaAs IR LED + Darlington Transistor)
Isolation Voltage
3750Vrms (AC, 1min, Min)
Collector-Emitter Voltage (VCEO)
300V (Min)
Current Transfer Ratio (CTR)
1000% (Min, @IF=1mA, VCE=1V)
Operating Temperature
-55℃~110℃
Storage Temperature
-55℃~125℃
Package Type
SO6 Surface Mount (SMT)
Input Current Range
5mA~25mA (Recommended: 16mA)
Input Reverse Voltage
5V (Max)
Safety Approvals
UL1577, cUL, VDE, EN 60747-5-5, CQC
Typical Applications
Industrial Automation: Isolates high-voltage control signals and low-voltage logic circuits in PLCs and inverters, preventing ground loop interference for precise equipment control.
Home Appliances & Consumer Electronics: Protects microcontrollers from motor-driven high voltage in air conditioners and washing machines, enhancing reliability and lifespan.
Power Electronics: Isolates feedback signals in switching power supplies to achieve input-output electrical isolation, optimizing efficiency and suppressing EMI.
Measurement & Instrumentation: Separates sensor signals from acquisition circuits to reduce noise interference, suitable for industrial meters and precision control systems.
Communication Interfaces: Isolates differential signals in RS-485 and CAN buses, improving anti-interference capability for accurate long-distance data transmission.
Why Choose TLP187(TPL,E(T)?
High-Voltage Adaptability: 300V VCEO and 3750Vrms isolation voltage provide dual protection for high-voltage systems, minimizing signal distortion and equipment damage.
High-Gain Signal Transmission: 1000% minimum CTR ensures efficient weak signal amplification without additional circuitry, simplifying design and reducing costs.
Wide Temperature Reliability: Operates stably across -55℃~110℃, proven through rigorous environmental testing for long-term performance consistency.
Global Certifications & Ease of Use: Complies with international safety standards and supports automated soldering with its SO6 package, enhancing manufacturing efficiency.
Low Power & Compact Design: Typical 16mA input current and space-saving package make it ideal for portable devices and high-density PCB layouts.
SUNTOP COMPANY INTRODUCTION
Founded in 2000, Suntop is one of the leading global distributors of electronic components, dedica ted to providing comprehensive procurement and supply chain services to the global electronics manufacturing industry. Our services include distribution, spot trading, PPV cost-saving projects, and inventory management. We not only offer high-quality products but also strive to assist our clients in achieving optimal solutions with minimal time and cost. As a trusted partner for numerous OEMs, ODMs, CEMs, and EMS companies worldwide, our professional team manages millions of component records from thousands of trading partners across dozens of countries daily through our company database. We maintain close business relationships with major factories and distributors in North America, Europe, and Asia to ensure that our clients stay ahead in a highly competitive market.
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1. What is the maximum isolation voltage of TLP187(TPL,E(T), and is it suitable for high-voltage circuits? >
The device offers a 3750Vrms minimum isolation voltage, passing a 1-minute AC high-voltage test, suitable for systems with input voltages ≤300Vdc.
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2. How does the Current Transfer Ratio (CTR) perform at low input currents? >
At IF=1mA, the minimum CTR is 1000%, and it remains ≥500% even at 0.5mA, ensuring reliable weak signal transmission.
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3. Can it operate long-term at -40℃? >
Yes, it supports -55℃~110℃ operation, with less than 3% performance degradation after 1000 hours of continuous use at -40℃.
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4. What is the soldering temperature for the SO6 package, and is reflow soldering supported? >
It supports reflow and wave soldering with a recommended peak temperature of 260℃ (≤10 seconds), with a heating rate controlled ≤3℃/s to prevent damage.
SUNTOP’s mode of transportation
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Fedex
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