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120 Ohm 1/8W Metal Film Resistor +-1%

PCFlights

120 Ohm 1/8W Metal Film Resistor +-1%: category illustration, not the specific product

$0.10

737 Chrono/Clock Parts

737DIYSIM

737 Chrono/Clock Parts: category illustration, not the specific product

From £1.23

In stock

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Overview
Price	$0.10	From £1.23
Availability	Not specified	In stock
CockpitSquare overview	A 120-ohm, 1/8-watt metal-film resistor with ±1% tolerance. It is intended for current/voltage compensation when powering single LEDs from a 5V source, including certain simulator-panel backlighting applications.	A selectable range of physical components for building a 737 Chrono/Clock assembly, including acrylic panels, lenses, faceplates, and bare or pre-assembled PCBs. Some selections require additional electrical, display, motor, driver, Arduino, or 3D-printed components.
Aircraft	737F/A-18	737
Aviation category	Universal / Generic	Airliners
Compatibility & connections
Supported simulators	Not specified	Not specified
Connections	Not specified	Arduino connection: Required for the Complete Set - SMD PCB; connection to an Arduino is stated.
Software requirements	Not specified	Not specified
Physical requirements	Not specified	Additional build components: Depending on selection, additional components may be required, including 3D-printed parts, seven-segment displays, stepper motor, motor driver, microswitches, and other electrical components. Power limits: Arduino power must not exceed 5 V DC; backlighting power must not exceed 12 V DC. Assembly tools: A screwdriver and other tools may be required.
Hardware compatibility	Not specified	Cockpit format: Designed for the 737SS Chrono/Clock; stated to fit the 737DS with minor hole modification.
Simulator add-on compatibility	Not specified	Not specified
Dimensions & details
Product dimensions	Not specified	Decal plate: 3 mm white acrylic Lens: 2 mm clear acrylic Faceplates: Four panels made from 3 mm white acrylic
Product weight	Not specified	Not specified
Additional factual details	Resistance: 120 ohms Tolerance: ±1% Power rating: 1/8 W (0.125 W) Intended electrical use: Can be used with a single 2.1–2.5 V LED and a 5 V power input to compensate excessive source voltage. Example applications: Backlighting indicators on Boeing 737 NG AFT OVH LE Devices, pedestal ADF and TCAS/ATC panels, and F/A-18C Hornet ASPJ Annunciator and Instrument WATD panels. Product code: RES-120R-1/8 Listed price: $0.10 Availability: The page contains conflicting availability information: it lists the product as in stock with 1–3 business day shipping, but also displays an out-of-stock notification.	Available selections: Decal Plate, Lens, Faceplates, PCB Bare, PCB SMD (Pre-Assembled), Complete Set - Bare PCB, Complete Set - SMD PCB, and Faceplate Upgrade. Decal plate finish: Laser-etched and fibre-laser engraved, with primer, satin topcoat, and clear lacquer; described as compatible with backlighting. PCB Bare: Bare PCB with no electrical components supplied; supports backlighting, stepper motor, and driver. PCB SMD: Pre-soldered PCB with components installed; four-digit displays and attachment cables require soldering. Version history: V1 dated 15/06/2023 for through-hole PCB; V2 dated 07/07/2024 for SMD PCB. Displays: Two four-digit displays are required for the order; white or yellow options are stated.