Omron G8NW-2 Ultra-Miniature Automotive PCB Relay Overview
The Omron G8NW-2 is a compact, highly-efficient PCB relay designed for use in automotive applications, including power windows, door locks, smart junction boxes, seat adjustments, and sunroof modules. Exceptionally suited for automated assembly processes, the G8NW-2 excels with its fully sealed construct and separate Single Pole Double Throw (SPDT) contacts.
Ordering Information and Models
The Omron G8NW-2 series includes various relay models to cater to different requirements:
- G8NW-2: Standard type
- G8NW-2S: High sensitivity with low pull-in voltage
- G8NW-2L: High temperature (150°C) operational capability
- G8NW-2H: Combination of high temperature and high sensitivity features
- G8NW-ZF: Designed for flasher load switching
- G8NW-2U: Ultra-high sensitivity variant
- G8NW-2R: Reflow solder type for specific assembly needs
- G8NW-2C: Pin in paste solder type facilitating certain soldering processes
Specifications and Performance Characteristics
Key specifications include a maximum switching current of 30A and voltage of 16V, while the relay can handle a max carry current of 25A at 20°C. The contact material is a cadmium-free silver tin alloy, with a Palladium Ruthenium option for the flasher load switching type (-F).
Coil Ratings and Electrical Characteristics
The G8NW-2 relay series presents different coil resistance variants, with the standard G8NW-2 model featuring a resistance of 225Ω, and pulling in voltage of 7.2V, while dropping out at 1.0V. Operating characteristics cite a max initial contact voltage drop/resistance, quick operate and release times, as well as robust shock and vibration resistance metrics.
Durability and Environmental Adaptability
The relays guarantee high mechanical and electrical durability, capable of withstanding an extensive range of vibrations, shocks, and temperatures from -40°C up to 85°C (105°C for high temperature models). They demonstrate longevity with operation life cycles rated at 1,000,000 mechanical and 100,000 electrical operations, highlighting reliability in demanding conditions.
Application Specific Durability Test Data
Real-world applications tests conducted on G8NW-series relays powering window motors and door lock motors have affirmed their robustness, with the capacity to go through hundreds of thousands of cycles under varying currents.
Temperature Impact on Coil Resistance
The datasheet provides a detailed graph depicting how coil resistance changes with temperature, ensuring users can anticipate relay performance across a span of operational environments.
Note: External coil suppression can alter the release times and potentially affect relay spec conformance.
References:
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