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  • New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB
  • New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB
  • New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB
  • New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB
  • New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB
  • New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB
New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB

New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB

$0.05-$0.80/ Piece|1 Piece/Pieces(Min. Order)
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New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Signal Isolation & Conversion: The TLP521-1GB optocoupler uses a phototransistor to isolate and convert light signals into electrical outputs, enabling safe communication between circuits with up to 2500Vrms isolation.
  • DC-OUT Control: Designed for precise DC output regulation in electronic systems, supporting applications requiring voltage isolation and signal transmission.

Key features

  • 1. Material Technology

    • With gold-plated leads and a durable plastic package, ensure reliable conductivity and corrosion resistance in diverse environments.

  • 2. Interactive Design

    • With a user-friendly DIP4 package design, enable effortless integration into circuit boards for rapid prototyping and assembly.

  • 3. Performance Parameters

    • With 2500Vrms isolation voltage, offer ~40% higher voltage isolation compared to standard optocouplers* [*Disclaimer: Based on internal testing; actual results may vary], ensuring robust electrical safety in high-voltage systems.

  • 4. Scenario Solutions

    • Designed for light detection in security systems and control circuits, provide adaptable solutions for environments requiring precise light-to-electrical signal conversion.

  • 5. Certification Standards

    • Complies with GB standards (Chinese national certification), ensuring regulatory approval for industrial and commercial applications.

Product details

New original TLP521 P521 Optocoupler Single DC-OUT 2500Vrms DIP4 Phototransistor integrated circuits TLP521-1GB

The TLP521 P521 Optocoupler is a high-performance phototransistor integrated circuit designed for precise light detection and electrical signal conversion. With a 2500Vrms isolation rating and gold-plated leads, it ensures safety and reliability in harsh environments while offering customizable performance for diverse applications.

Technical specifications

FeatureSpecificationBenefit
MaterialPlastic PackageDurable insulation and environmental resistance
Leads4 Gold-PlatedEnhanced conductivity and corrosion resistance
Voltage Isolation2500VrmsSafe operation in high-voltage systems
Response Time100ns (Typical)Fast signal transmission for real-time applications
Operating Temp-40°C to +85°CReliable performance in extreme conditions

Customization guide

Adjust sensitivity levels and response time parameters to meet specific requirements such as high-speed switching or low-light detection scenarios.

Get inspired

The TLP521 optocoupler seamlessly integrates electrical isolation with robust signal transmission, making it ideal for applications requiring precision and safety in harsh environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Isolation2500Vrms2500Vrms3000Vrms*
Response Time100ns85ns (+15%)70ns (+30%)
Operating Temp-40°C to +85°C-40°C to +85°C-55°C to +125°C

Supplier's note

  1. Three Technical Breakthroughs:

    • 2500Vrms Isolation: Ensures safety in high-voltage industrial systems.
    • Gold-Plated Leads: Reduces contact resistance for stable signal integrity.
    • Customizable Sensitivity: Adapts to low-light or high-speed detection needs.

  2. Optimal Version Selection:

    • Pro Model: Ideal for industrial automation requiring 3000Vrms isolation and extreme temperature resilience (-55°C to +125°C).
    • Advanced Model: Suitable for robotics or medical devices needing 15% faster response time (85ns) than the Base.
    • Base Model: Perfect for standard applications like consumer electronics or basic sensor systems.

With the Pro’s tripled industry-standard chemical resistance and gold-plated leads, you can ensure safe handling of corrosive environments while maintaining signal accuracy. Pair its wide temperature range with high-voltage tolerance to create robust industrial solutions.

Frequently asked questions

  • Which optocoupler model suits high-voltage isolation in industrial control systems?

  • How do I maintain the gold-plated leads of the TLP521-1GB phototransistor?

  • What’s the difference between TLP521-1GB and lower-voltage optocouplers?

  • Can the TLP521-1GB be customized for low-light detection needs?

  • Is the TLP521-1GB’s plastic casing UL-certified for industrial use?

  • What applications benefit most from the TLP521-1GB’s 2500Vrms rating?

  • How easy is it to install the TLP521-1GB on a PCB?

  • Does the TLP521-1GB support high-speed switching in automation systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard OptocouplerGeneral industrial control, consumer electronicsIsolation Voltage: 1500Vrms (IEC 60747-5-5)
Response Time: 1ms (typical)
Lead Material: Tin-plated (IEC 60068)		Cost-effective, widely compatible with legacy systemsLower isolation limits high-voltage use; slower response for real-time systems
Our Base TLP521Industrial automation, power supply controlIsolation Voltage: 2000Vrms (▲ vs Industry)
Response Time: 0.5ms (▲)
Lead Material: Gold-plated (EN 1.2100 ▲)		Enhanced isolation and speed for reliability; gold-plated leads resist corrosionHigher cost than industry standard
Our Advanced TLP521Harsh automotive environments, medical equipmentIsolation Voltage: 2500Vrms (▲▲)
Response Time: 0.25ms (▲▲)
Operating Temp: -60°C to +150°C (▲▲)
Certifications: AEC-Q100 (▲)		Highest isolation/speed for critical systems; extreme temperature tolerancePremium pricing; specialized for niche applications
RelaysHigh-power industrial machinery, HVAC systemsCurrent Handling: 10A+ (varies)
Mechanical Switching (IEC 60947-5-1)
Response Time: 10ms+		High current capacity; tactile feedbackMechanical wear over time; slower response
Solid-State Relays (SSRs)Automation, lighting controlNo Moving Parts
Response Time: 1ms (IEC 60747-5-5)
Isolation Voltage: 1500Vrms		No mechanical wear; fast responseLower current capacity; requires heat management
MOSFETsPower electronics, inverters, convertersOn-Resistance: 0.1Ω (RDS(on))
Switching Speed: 100ns (JEDEC)
No Isolation		High efficiency; compact sizeRequires external isolation components; no inherent isolation

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.