In stock

6839

Name: 6839
Brand: GE Lighting
SKU: NAT-O85JFUXH
Price: 1.00 USD
Availability: InStock

by GE Lighting

The 6839 lamp uses a sub-midget flange base identified as SMF.

$1.00

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6839

$1.00

Product Description

6839 is a miniature T-1 incandescent aircraft lamp rated for 28 volts and 1 watt, intended for use in low-power indicator and lighting circuits that require a compact subminiature flange base envelope.

0 1. Overview

The 6839 lamp uses a T-1 envelope with a sub-midget flange base, identified as SMF, for installation in matching panel and indicator sockets. It operates with a CC-2F filament shape and is rated at 28 volts with a nominal operating current of 24 milliamperes. The current range extends from a minimum of 21.6 milliamperes to a maximum of 26.4 milliamperes at test voltage. Light output is specified with a minimum of 0.112 mean spherical candlepower, a nominal output of 0.150, and a maximum of 0.188. The rated service life is 16,000 hours. Physical characteristics include a listed weight of 0.001 pounds and dimensions of approximately 0.315 inches in length by 0.155 inches by 0.117 inches, supporting use in tightly packaged aircraft electrical assemblies.

0 2. Key Features

Miniature T-1 incandescent lamp form factor
Sub-midget flange (SMF) base for subminiature indicator sockets
Rated for 28 volt operation
Power rating of 1 watt
Nominal operating current of 24 mA with a defined tolerance range
CC-2F filament configuration
Rated light output around 0.150 mean spherical candlepower
Rated service life of 16,000 hours
Compact dimensions of approximately 0.315 in by 0.155 in by 0.117 in

0 3. Specifications

Part Number: 6839
Lamp Type: Incandescent
Envelope Size: T-1
Base Type: Sub-midget flange (SMF)
Voltage Rating: 28 V
Power Rating: 1 W
Filament Shape: CC-2F
Test Voltage: 28 V
Operating Current Minimum: 21.6 mA
Operating Current Nominal: 24.0 mA
Operating Current Maximum: 26.4 mA
Light Output Minimum: 0.112 MSCP
Light Output Nominal: 0.150 MSCP
Light Output Maximum: 0.188 MSCP
Rated Life: 16,000 hours
Weight: 0.001 lb
Overall Dimensions: 0.315 in × 0.155 in × 0.117 in

FAQs

01. What voltage and power ratings apply to the 6839 lamp?

The 6839 lamp is rated for 28 volts and 1 watt.

02. What base type does the 6839 miniature aircraft lamp use?

The 6839 lamp uses a sub-midget flange base identified as SMF.

03. What is the filament configuration for the 6839 lamp?

The 6839 lamp uses a CC-2F filament shape.

04. What is the nominal operating current of the 6839 lamp at rated voltage?

The nominal operating current of the 6839 lamp is 24 milliamperes at 28 volts.

05. What service life is specified for the 6839 lamp?

The 6839 lamp has a rated service life of 16,000 hours.