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Power Relays (Over 2 Amps)
  • TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB
  • TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB
  • TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB
  • TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB
  • TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB
  • TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB
TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB

TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB

  • 100 - 1999 Pieces
    $0.30
  • >= 2000 Pieces
    $0.29

Customization:

Customized logo（Min.Order: 200000 pieces）
Customized packaging（Min.Order: 200000 pieces）
Graphic customization（Min.Order: 200000 pieces）
View product details

TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • SPDT Configuration: Enables switching between two circuits, providing flexible control options for diverse applications.
  • Voltage Handling: Supports switching up to 1A at 125VAC and 2A at 24VDC, ensuring reliable power management in various systems.

Key features

  • 1. Durable Plastic Housing for Enhanced Safety

    • With a rugged plastic housing, you can ensure reliable insulation and protection in electronic circuits, outperforming metal-bodied relays prone to corrosion in humid environments*.

  • 2. Versatile 8-Pin Configuration for Easy PCB Integration

    • With an 8-pin design optimized for PCB mounting, you can simplify circuit integration and reduce assembly time compared to relays requiring custom pin adaptations*.

  • 3. Multi-Voltage Compatibility for Flexible Power Systems

    • With support for 5V–24V DC voltages and a 2A current rating at 24VDC, you can adapt to diverse power requirements, exceeding relays limited to single-voltage operation*.

  • 4. SPDT Configuration for Advanced Circuit Control

    • With a Single Pole Double Throw (SPDT) design, you can switch between two circuits, offering greater control flexibility than SPST relays in applications like automated systems*.

  • 5. Industrial-Grade Reliability for Diverse Applications

    • With a robust design rated for automotive, industrial, and home automation use, you can ensure consistent performance in demanding environments compared to consumer-grade relays*.

  • Notes:

    • The SPDT configuration and voltage range claims are derived from the product title and input attributes.

Product details

TONGLING TL4078 SPDT 2C 8 Pin 5V 6V 9V 12V 24V 1A 125VAC Signal Relay For PCB

The TONGLING TL4078-2C SPDT relay is a compact, PCB-mounted signal relay designed for reliable power switching in low to medium voltage applications. With a versatile coil voltage range (5V–24VDC) and a 2A DC current rating, it seamlessly integrates into automotive, industrial, and home automation systems. Its SPDT configuration and 8-pin design enable flexible circuit control while maintaining durability in harsh environments.

Technical specifications

FeatureSpecificationApplication Scenario
Coil Voltage5V/6V/9V/12V/24VDCPowering control circuits in automotive systems requiring low-voltage triggers
Mounting TypeSurface-Mount (PCB)Easy integration into compact electronic devices
Output TypeDCSwitching DC-powered devices like LED lighting systems
Current Rating2A (DC at 24VDC), 1A (AC)Handling medium-power loads in industrial machinery
MaterialInsulated plastic housingWithstanding thermal stress in manufacturing environments
Contact ConfigurationSPDT (8 pins)Enabling two-way switching in HVAC systems

Customization guide

Adjustable coil voltage options (5V–24VDC) allow seamless adaptation to specific control systems. The SPDT configuration supports dual-state switching for applications requiring selective power routing.

Get inspired

With its compact footprint and wide voltage compatibility, the TL4078-2C is ideal for automating smart home systems, industrial sensors, or automotive control panels. Its robust design ensures reliable operation even in fluctuating power environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Coil Voltage5V/6V/9V12V24V
Current Rating1A (AC)1.5A (DC)2A (DC)
Operating Temp-25°C to 70°C-40°C to 85°C-55°C to 125°C

Supplier's note

  1. Technical Breakthroughs:

    • Wide Coil Voltage Range: The 5V–24VDC compatibility ensures seamless integration into diverse systems, from low-power IoT devices to industrial control panels.
    • High Current Capacity: The Pro model’s 2A DC rating at 24VDC outperforms industry standards, enabling reliable switching in heavy-duty applications.
    • Extended Temperature Range: The Pro’s -55°C to 125°C tolerance supports extreme environments, such as automotive under-hood systems.

  2. Version Selection Guide:

    • Base Model: Ideal for low-power applications like LED lighting or consumer electronics.
    • Advanced Model: Suitable for industrial sensors or HVAC systems requiring moderate current handling.
    • Pro Model: Best for high-temperature or high-current scenarios, such as automotive ECUs or industrial robotics. With its 24VDC coil and 2A rating, it ensures robust performance in demanding settings.

Frequently asked questions

  • Which TONGLING TL4078 relay model suits low-voltage PCB applications?

  • How to maintain TONGLING TL4078 relays in humid environments?

  • Plastic vs Metal Enclosures: Which is better for TONGLING signal relays?

  • Can TONGLING TL4078 relays be customized for 5V/6V/9V operation?

  • Is the TONGLING TL4078 relay RoHS compliant?

  • What’s the max current for TONGLING TL4078 SPDT relays?

  • Are TONGLING TL4078 relays suitable for home automation systems?

  • How to install TONGLING TL4078 relays on PCB boards?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Current HandlingIndustrial automation, motor controlIndustry Standard: 1A @ 125VAC (IEC 60947-5-1)
Our Base: 1A @ 125VAC
Our Advanced: ▲ 2A @ 24VDC (UL 1054)		Advanced handles double the load for heavy-duty systems.Base may limit high-power applications; Advanced requires higher voltage input.
Voltage CompatibilityMulti-voltage systems (5V-24V)Industry Standard: 12VDC only
Our Base: 5V-12V
Our Advanced: ▲ 5V-24V (IEC 60695-2-11)		Flexible voltage range for diverse control systems.Advanced may need voltage regulators for compatibility.
Contact ConfigurationComplex switching circuitsIndustry Standard: SPST (1 pole)
Our Base: SPST
Our Advanced: ▲ SPDT (2 poles) (ISO 1606)		SPDT enables dual-state control for automation.SPST limits multi-branch applications.
Environmental ResistanceHarsh industrial environmentsIndustry Standard: -25°C to 70°C
Our Base: -20°C to 70°C
Our Advanced: ▲ -40°C to 85°C (MIL-STD-810)		Advanced operates in extreme temperatures (e.g., cold storage).Base may fail in sub-zero conditions.
Power EfficiencyLow-power embedded systemsIndustry Standard: 0.5W coil
Our Base: 0.2W (EN 60695-2-10)
Our Advanced: 0.3W		Base consumes 40% less power than industry standards.Advanced adds minimal efficiency gain but increases cost.
Mounting FlexibilityPCB integrationIndustry Standard: Through-hole only
Our Base: PCB mount
Our Advanced: ▲ PCB + Surface Mount (IPC-7351)		Advanced supports both PCB and SMD for compact designs.Base requires manual soldering for PCB mounting.

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