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Deal.ai › Philips › Philips Light Bulbs
Philips
CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp
Philips

CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp

Best price now

$41.82at Lighting Supply GuyChecked 5 h ago

20% under what the other stores charge

Compared across 12 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Best price today: $41.82 at Lighting Supply Guy (checked Nov 15, 2026).
  • Checked at 12 stores.

Our take on the CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp

The Philips CDM35/TC/830 is a 39 W ceramic metal halide lamp with a G8.5 base, part of Philips' CDM line for commercial and retail lighting. It is a compact single-ended lamp rated at 3000 K with a CRI of 83, so it renders colors well for merchandise and display areas. Ceramic arc tubes hold color more steadily over life than quartz metal halide lamps, which is why CDM lamps are common in shops and galleries. It is a bare lamp, not a retrofit LED, so it needs a compatible ballast and fixture.

Best forRetail and display lighting where color rendering mattersReplacing a failed CDM35/TC lamp in an existing fixtureCommercial and hospitality interiors with 3000 K warm light
Pros
  • 3000 K warm white light suits shops and hospitality spaces
  • CRI of 83 renders colors more faithfully than standard metal halide
  • Ceramic arc tube keeps color consistent over the lamp's life
  • Compact single-ended G8.5 base fits small fixtures
  • Higher efficacy than halogen for the same warm look
Cons
  • Needs a compatible metal halide ballast and fixture, not a screw-in socket
  • Contains mercury and must be recycled properly
  • Takes time to reach full output and to restrike after a power cut
  • Not dimmable on standard setups
  • Being phased out in favor of LED in many markets

CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp prices at every store

  • Lighting Supply GuyNew

    In stock

    $41.82Checked 5 h ago
    Visit Lighting Supply Guy
  • LED Lighting SpaceNew

    In stock

    $34.75+ $9.95 shippingChecked 5 h ago
    Visit LED Lighting Space
  • Newegg.comNew

    In stockSold by BulbAmerica

    $43.99+ $5.99 shippingChecked 5 h ago
    Visit Newegg.com
  • BulbAmerica.comNew

    In stock

    $43.99+ $8.85 shippingChecked 5 h ago
    Visit BulbAmerica.com
  • WalmartNew

    In stockSold by Light Bulbs InternationalReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $53.47Free shippingChecked 5 h ago
    Visit Walmart
  • BulbsDepotNew

    In stock

    $47.00+ $9.50 shippingChecked 5 h ago
    Visit BulbsDepot
  • Norman LampsNew

    In stock

    $51.99+ $5.85 shippingChecked 5 h ago
    Visit Norman Lamps
  • LightBulbs.comNew

    In stock

    $52.29+ $11.99 shippingChecked 5 h ago
    Visit LightBulbs.com
  • Bulbs.comNew

    In stock

    $55.99+ $14.95 shippingChecked 5 h ago
    Visit Bulbs.com
  • Electrical PartsNew

    In stock

    $75.20Free shippingChecked 5 h ago
    Visit Electrical Parts
  • 1000BulbsNew

    In stock

    $93.27+ $22.38 shippingChecked 5 h ago
    Visit 1000Bulbs
  • Penn Tool Co.New

    In stock

    $180.51+ $52.00 shippingChecked 5 h ago
    Visit Penn Tool Co.

Also available at

  • eBayCheck price at eBay

CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp price history

Lowest price we've seen: $10.00 on Nov 15 at eBay. Tracked across 12 stores since Nov 15.

About the CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp

Philips 373720 CDM35/TC/830/3000K 35 watt T4 Pulse Start Ceramic Metal Halide Lamp, Bi-Pin (G8.5) base, 3300 lumens, 12,000hr life

Specifications

Shape
CapsuleSource
Power (W)
35.0Source
Color/Finish
Warm WhiteSource
Color
WhiteSource
Voltage (V)
230.0Source
Light Bulbs Included (pack)
1Source
Temperature (K)
3000Source
Lamp Socket
G8.5Source

Questions and answers

What fixture and ballast does this lamp need?
It uses a G8.5 base and must run on a compatible metal halide ballast rated for a 39 W CDM-TC lamp. It will not work in a standard screw-in socket or on a halogen or LED driver.
What color light does it give?
The 830 code means 3000 K with a CRI of 83, a warm white light with good color rendering. It suits retail, display and hospitality interiors.
Is it dimmable?
Standard magnetic and electronic metal halide ballasts do not dim this lamp. Dimming requires a specific dimming ballast and is not typical for this model.
How does it compare with an LED replacement?
LED retrofits use less power, start instantly and last far longer. This lamp wins on color consistency and the warm 3000 K look, and it drops into existing CDM fixtures without rewiring.
Does it contain mercury?
Yes, metal halide lamps contain mercury. Dispose of it through a lamp recycling program rather than household trash.
What is in the box?
One lamp. Ballast, fixture and any igniter are not included.
Where is the CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp cheapest?
At Lighting Supply Guy, for $41.82, 20% under what the other stores charge, as of our latest check.
Where can I buy the CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp?
13 stores we checked sell it, including Walmart, Lighting Supply Guy, LED Lighting Space, BulbAmerica.com, Newegg.com.

Stores we've priced the CDM35/TC/830 (373720) , 39 Watt G8.5 Base Bulb Metal Halide Lamp at

  • Newegg deals and prices

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