Product Description

Part number 1815 identifies a miniature bayonet lamp used in applications that require a T‑3 1/4 size bayonet‑base bulb. It serves as a small indicator or illumination lamp in equipment designed for this miniature bayonet configuration.

0 1. Overview

In miniature lighting systems, the 1815 designation corresponds to a lamp size that is replaced by a T3 1/4 miniature bayonet based lamp with a BA9S base style. The referenced replacement device uses a T3 1/4 envelope with a miniature bayonet connection and operates on either AC or DC circuits at a current of 20 mA. The design incorporates a molded diffuser lens to widen the viewing angle, making it suited for use behind larger displays, switches, or lens covers where a broad illumination pattern is required. The LED construction provides long service life, low power consumption, shock resistance, and tolerance to demanding temperature conditions.

0 2. Key Features

  • Miniature bayonet lamp reference used in small lighting circuits
  • Associated with T3 1/4 lamp shape
  • Compatible with miniature bayonet BA9S base interfaces
  • Replacement LED version operates at 20 mA
  • Replacement LED version supports AC or DC operation
  • Replacement LED version uses a molded diffuser lens for wide viewing angle
0 3. Specifications

Part Reference: 1815
Lamp Shape (replacement): T3 1/4
Base Style (replacement): Miniature Bayonet BA9S
Operating Current (replacement): 20 mA
Operation (replacement): AC or DC
Intended Use: Indicator and display illumination with miniature bayonet base

FAQs

01. What type of lamp does part number 1815 reference?

Part number 1815 references a miniature bayonet lamp used in small lighting circuits.

02. What lamp shape is associated with the 1815 miniature bayonet replacement?

The 1815 miniature bayonet replacement uses a T3 1/4 lamp shape.

03. What base style is used on the miniature bayonet replacement for 1815?

The miniature bayonet replacement for 1815 uses a BA9S base style.

04. What is the operating current of the LED replacement for lamp 1815?

The LED replacement for lamp 1815 operates at 20 mA.

05. Is the LED replacement for 1815 suitable for AC and DC circuits?

The LED replacement for 1815 is specified for operation on either AC or DC circuits.

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