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Small clear glass incandescent bulb with BA15d base

Ushio

Ushio SM-78595 120V 20W BA15d Incandescent Bulb

SKU CH-K5EF-H7NR5

A 20 W incandescent lamp with a BA15d base rated for 115 V and 600 hours average life

  • Power rating20
  • Lifespan (hours)600
  • Product typeIncandescent Bulbs
  • Scientific and medical grade light source
  • 20 W incandescent output at 115 V
  • BA15d base fits compatible fixtures
  • Average rated life of 600 hours

Ushio SM-78595 Incandescent Lamp for Specialised

The Ushio SM-78595 is a 20 watt incandescent bulb built for fixtures that require a BA15d base and a 115 volt supply. It serves scientific and medical equipment where a specific ANSI-coded lamp is specified by the manufacturer. This new lamp carries an average rated life of 600 hours.

Fits BA15d Sockets in 115 Volt Circuits

The double-contact bayonet base locks into compatible sockets without tools, but the lamp will not operate on standard 120 volt mains without a suitable step-down transformer. It frees the user from searching for generic replacements that lack the correct ANSI code. Buyers who need a different wattage, voltage, or base type must select another model.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 58% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameUshio
Product typeIncandescent Bulbs
Power
Power rating20
More details
Lifespan (hours)600

Questions about this item

How long will the 600-hour rated life last under continuous 20-watt operation?

The lamp is rated for 600 hours of average life at its specified 20-watt power draw.

How much heat does the 20-watt filament produce during all-day use?

As an incandescent source, the 20-watt filament converts most input power into heat while running continuously.

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