Omron G8b-201-01 ((exclusive)) [ 2024 ]

A very specific request!

The Omron G8B-201-01 is a power relay, so I'll try to craft an interesting story around it. Here's a tale:

The Mysterious Case of the Unreliable Elevator

In the heart of Tokyo, there was a sleek, modern skyscraper that housed a prominent electronics company. The building's elevator system was designed to be efficient and reliable, but lately, it had been malfunctioning. People would press the button, and sometimes, it would work; other times, it wouldn't.

The maintenance team was stumped. They checked the usual suspects: the control panels, the motors, and the wiring. Everything seemed fine. That's when they called in the expert, a brilliant engineer named Yui.

Yui examined the elevator's control system and discovered that the issue lay with a small, but critical component: a power relay. Specifically, the Omron G8B-201-01.

The relay was supposed to switch the elevator's motor on and off, but it was malfunctioning. Yui suspected that the problem was due to a faulty coil or a worn-out contact. She decided to replace the relay with a new one.

As she was about to install the replacement, she noticed something peculiar. The faulty relay had a small inscription on its side: "For Elevator 3 Only." Yui wondered if this was a clue.

She investigated further and discovered that the building's previous engineer had designed a custom system for Elevator 3. The Omron G8B-201-01 relay was part of a secret "shortcut" circuit that allowed the elevator to bypass the regular control system. The inscription was a warning to anyone who might replace the relay: "Use with caution."

Yui realized that the malfunctioning relay was not just a simple failure; it was a symptom of a clever hack. The previous engineer had created a hidden "express lane" for Elevator 3, which allowed it to move quickly and efficiently, but also caused the occasional glitch.

With this new understanding, Yui replaced the relay with a standard one and adjusted the control system to eliminate the shortcut. The elevator began working smoothly, and the building's occupants were relieved.

From then on, Yui made sure to inspect all the relays in the building, including the Omron G8B-201-01. She realized that even the smallest components could hold big secrets and that understanding their role was crucial to keeping the systems running smoothly.

And that's the story of how the Omron G8B-201-01 relay helped Yui unravel the mystery of the unreliable elevator!

The Omron G8B-201-01 Go to product viewer dialog for this item.

is a specialized automotive flasher relay primarily used in Honda motorcycles and scooters to control turn signal indicators. Known for its reliability in demanding environments, it serves as a critical component in the lighting systems of various classic and modern bikes. Key Functions and Applications

The primary role of the Omron G8B-201-01 is to manage the rhythmic "flashing" of a vehicle's turn signals. It is an OEM (Original Equipment Manufacturer) part found in numerous Honda models, including:

Honda CBR Series: Including the CBR 600 F4 and Hornet models. omron g8b-201-01

Honda Shadow Series: Common in VT1100 and Spirit 750 configurations. Honda Nighthawk: Specifically the CB750 models.

Other Models: Featured in the Honda V65 Sabre (VF1100S) and various 50cc scooters. Technical Specifications

While this specific model is often identified by its application, it shares the high-quality engineering standards of the Omron Automotive Relay family:

Operating Voltage: 12V DC, the standard for most motorcycle electrical systems.

Terminal Configuration: Typically features a 3-pin "mini faston" or spade-type layout for easy plug-and-play installation.

Environmental Resistance: Designed to operate in a wide temperature range, often from -40°C to +105°C or higher, ensuring stability even near the engine.

Durability: Engineered for high mechanical and electrical endurance, often rated for over 100,000 electrical operations. Troubleshooting and Replacement

Failure of the G8B-201-01 typically manifests as turn signals that stay on without flashing, flash too rapidly ("hyper-flashing"), or do not activate at all.

If you are seeking a replacement, verify compatibility with your specific vehicle year and model. While the G8B-201-01 is a classic original, modern equivalents from retailers like MotoShopItalia or eBay may offer LED-compatible versions if you have upgraded your bike's bulbs to LEDs. Cross-Reference Codes: Honda OEM: 38301-MEG-000, 38301-MR7-004, 38301-MG9-681. Mitsuba: FR-3303. G8NB - Omron

The Omron G8B-201-01 is a 12V DC flasher relay commonly used as a standard replacement for turn signal systems in various Honda motorcycles. It is essential for controlling the blinking frequency of indicator lights. Key Technical Specifications

Operating Voltage: 12.8V DC (Standard 12V system, operational range of 11–15V).

Switching Load: Supports a broad range from 0.1W up to 120W.

Blinking Frequency: Fixed at approximately 85 flashes per minute.

Temperature Range: Built for extreme environments, rated for -40ºC to +80ºC. Common Applications & Fitment

This relay is a popular original equipment (OE) part for Honda models from the 1980s and 90s. It typically cross-references with Honda part numbers 38301-MF8-771 and 38301-ME9-771. Known compatible models include: Honda Rebel series (e.g., CMX450). Honda Shadow and Magna (VF and VT series). Honda CB and CBR series (e.g., CBR600F, CBR900RR). Helpful Installation Tips

LED Compatibility: While traditional flasher relays often cause "hyper-flash" when switching to LED bulbs, this Omron unit's wide switching load (down to 0.1W) makes it more versatile for mixed LED/halogen setups than many older mechanical relays. A very specific request

Connector Check: It features a standard male connector tab layout. Before purchasing, verify your motorcycle's connector matches the 2- or 3-pin configuration of this specific model, as some Honda years vary slightly.

Mounting: Authentic units often come with a rubber holder/bracket to dampen vibrations, which is critical for extending the life of the internal relay contacts.

Omron G8B-201-01 is a specialized automotive relay, primarily recognized as a Turn Signal / Flasher Relay for various Honda motorcycles

. Below is a detailed breakdown of its specifications, applications, and common troubleshooting steps. Product Overview

This relay is an Original Equipment Manufacturer (OEM) component designed to control the timing and operation of turn signal blinkers. It ensures that the indicators flash at a consistent, regulated speed, meeting safety and legal requirements for road use. Key Specifications Manufacturer:

Omron (a leading global manufacturer of electronic components). Part Number: G8B-201-01. Device Type: Flasher / Blinker Relay. Electrical Configuration:

Typically a 3-pin or multi-pin configuration (depending on the specific vehicle harness) designed for 12V DC systems. Compatible Models

This specific Omron unit was widely used across Honda’s lineup in the late 1990s and early 2000s. Known compatible models include: Honda Shadow series: Including the Shadow Spirit 750 and VLX 600. Honda CBR series: Specifically the CBR 600 F4. Honda NT 650 V Deauville: (1998–2001 models). Honda Sabre / Magna: Including the VF1100S Sabre. Honda VFR and Goldwing: Various sub-models from the same production era. Common Issues and Troubleshooting

Relays are mechanical-electrical hybrids and can wear out over time. Common symptoms of a failing G8B-201-01 include: Fast Flashing ("Hyper-flashing"):

Often occurs if you have switched to LED bulbs without adding load resistors, as this relay is calibrated for the resistance of standard incandescent bulbs. Solid Light:

If the turn signal stays on without blinking, the internal switching mechanism of the relay may be stuck.

If neither side flashes and the fuses are intact, the relay has likely failed entirely. Purchasing and Replacement OEM vs. Aftermarket:

While you can find aftermarket "universal" 3-pin flasher relays, using the genuine Omron G8B-201-01 or the compatible G8B-211-01

ensures the correct pinout and fitment in the factory rubber mounting boot. Where to Buy:

These are frequently available as "new old stock" or salvaged parts on platforms like or specialized motorcycle salvage sites like Are you looking to replace this relay because of a specific malfunction, or are you upgrading your lights Honda Omron Turn Signal Flasher Relay G8b-201-01 - eBay

More items related to this product * Last one. +$14.95 shipping. * 1999 HONDA CBR 600 F4 TURN SIGNAL RELAY OMRON G8B-211-01 OEM. $ Electric clutch engagement (e

Omron G8B-201-01 (often paired with Honda OEM part number 38301-MF8-771

) is a specialized automotive flasher relay primarily used in motorcycles to control turn signal blink rates. Key Functions & Characteristics

It functions as a mechanical or thermal switching device that opens and closes a circuit to make turn signals flash rather than stay permanently lit. Operating Mechanism:

In its classic thermal design, electricity flows through a bimetallic strip or nichrome wire. As the wire heats up, the strip bends to close a contact, lighting the bulb; once it cools, the contact breaks, turning the bulb off.

It is a standard OEM part for a wide range of Honda motorcycles from the 1980s through the early 2000s, including the CB750 Nighthawk VF750 Magna VF1100S Sabre VT750 Shadow Technical Considerations

92 Honda Cb750 Nighthawk Relay Turn Signal Flasher ... - eBay

Picture 1 of 15. 92 Honda Cb750 Nighthawk Relay Turn Signal Flasher Omron G8b-201-01. New Life Cycles and Salvage Ltd (2239) 99.4%

1985 Honda VF1100S SABRE VF1100 S V65 TURN SIGNAL ... - eBay

1985 Honda VF1100S SABRE VF1100 S V65 TURN SIGNAL RELAY UNIT OMRON G8B-201-01 | eBay.

The Omron G8B-201-01 is a Compact PCB Power Relay. While it has several standard characteristics, its "good features" are specifically tailored for applications requiring high reliability in a small footprint, particularly in power supply applications.

Here are the standout good features of this relay:

2. Industrial & Agricultural Equipment

The "Interesting" Engineering Features

  1. Single Relay for Multiple Automotive Loads: Unlike general-purpose relays (e.g., Omron G5V or G2R series), the G8B is engineered for both resistive and inductive loads. It can switch a resistive 20A (lights, fans) and an inductive 10A (motors, solenoids) reliably.
  2. AgSnO₂ (Silver Tin Oxide) Contacts: This is the key detail. Standard relays use AgNi or AgCdO. The G8B-201-01 uses Silver Tin Oxide contacts which are far more resistant to welding and material transfer under high inrush currents (e.g., capacitive loads like LED headlight drivers or DC-DC converters).
  3. Compact 20mm x 15mm x 15mm Footprint: It packs 20A switching into a package about the size of a sugar cube—critical for high-density engine control units (ECUs), BCMs (Body Control Modules), and battery management systems.
  4. Flux Protection (Immersion Cleanable): The "01" suffix indicates it is flux-protected but not hermetically sealed. This means it can survive wave soldering and post-solder washing without flux ingress, but not long-term submersion. This is a reliability plus for high-volume manufacturing.

How to Test an Omron G8B-201-01

If you suspect a relay is faulty in an ECU or module, a digital multimeter (DMM) is your best tool. Do not simply test continuity across the load pins without power—this can be misleading.

1. Automotive Power Control

3. Pinout and Wiring Diagram

The G8B is a PCB mount relay. Identifying the pins is critical for correct circuit design.

Standard Pin Configuration (Viewed from Top): The relay typically has 5 pins arranged for through-hole PCB mounting.

  1. Coil (+): Power input for the magnet.
  2. Coil (-): Ground for the magnet.
  3. Common (COM): The moving contact.
  4. Normally Open (NO): Connected to COM when the relay is energized.
  5. Normally Closed (NC): Connected to COM when the relay is OFF.

How it works:

Omron G8B-201-01: The Ultimate Guide to This High-Capacity Automotive Relay

Typical Applications (Real-World Use Cases)

1. High Switching Capacity in a Compact Size

The most significant feature of the G8B series is its ability to handle a substantial power load relative to its physical size.