Beschreibung
The Bulb Nobody Thinks About Until The Machine Goes Dark. Pinball owners know the routine: one lamp behind the playfield fails, then three more follow within a month, and each replacement means lifting the glass again. This is the box that ends the cycle. Fifty T15 lamps on the W16W, 921 and 906 bayonet base, each with eight SMD3528 chips, rated for more than fifty thousand hours, which is measured in years on a machine that runs a few evenings a week.
Two specifications make them easier to live with than ordinary replacements. The first is non-polarity operation: the circuit accepts AC or DC from 12 to 13 volts, so direction does not matter when the socket is hot and awkward to reach. Fit and move on. The second is the board itself: these are built on double-layer PCB with the chips on one face and the resistors on the other, which dissipates heat better than a single-sided board and is the reason the lamp life can be quoted as it is.
Output sits between 130 and 280 lumens depending on colour, with a 360 degree beam angle so the glow fills the lamp housing rather than pointing in one direction. Current draw is 55 to 75 mA at 12 volts, well inside what a machine's driver board expects. Ten colours are stocked, including orange amber and warm white for original-style playfields and ice blue or purple for a modified one, and mixed colour orders can be requested on the order notes. Operating range is minus 20 to plus 40 degrees Celsius, which covers a garage machine and a workshop shelf equally.
Fit fifty once, then spend your evenings playing.
Key Features
- ✦ Fifty lamps per box on the T15, W16W, 921 and 906 bayonet base
- ✦ Eight SMD3528 chips per lamp, current draw 55 to 75 mA at 12 volts
- ✦ Non-polarity circuit runs on AC or DC 12 to 13 volts, so installation direction is irrelevant
- ✦ Double-layer PCB with chips one side and resistors the other for better heat dissipation
- ✦ Lifespan quoted above 50,000 hours
- ✦ 130 to 280 lumens with a 360 degree beam angle to fill the housing
- ✦ Ten colour options including warm white 3000 to 3500 K, white 6000 to 6500 K and ice blue
- ✦ Working temperature from minus 20 to plus 40 degrees Celsius
Technical Specifications
- Model: 921-SMD3528-8
- LED chips: 8 x SMD3528 per lamp
- Base: T15, W16W, 921, 906 bayonet
- Voltage: AC or DC 12 V to 13 V
- Polarity: Non-polarity, no positive or negative orientation
- Current: 55 to 75 mA tested at 12 V
- Luminous flux: 130 to 280 LM depending on colour
- Beam angle: 360 degrees
- Lifespan: Over 50,000 hours
- Working temperature: Minus 20 to plus 40 degrees Celsius
- Colour temperature: Warm white 3000 to 3500 K, white 6000 to 6500 K, cold white 9000 to 10000 K
- Board: Double-layer PCB, chips on one side, resistors on the other
- Packaging: 50 pieces, mixed colours available on request
Where It Belongs
A pinball machine is the primary case: playfield inserts, backbox lighting and general illumination all take this base, and fifty lamps is roughly a full re-lamp with spares left in the box. Arcade and amusement operators keep the same set on the shelf for redemption machines, jukeboxes and cabinet lighting. Automotive use is the second market, where the T15 base covers interior, boot, number plate and reverse positions on 12 volt systems, and non-polarity operation means a bulb can be fitted into a holder without checking which way the contacts run. Campervan and boat owners use them for cabin and courtesy lighting, model and cabinet builders use them for display lighting, and anyone maintaining a mixed fleet of 12 volt equipment gets consistency from one box across everything in the workshop.
The EastSupplier Promise
Every unit is inspected before it leaves the warehouse. If a specification on this page does not match what arrives, we cover the return shipping and replace it. English-language support answers within one business day, and replacement parts for this category are stocked so a working unit stays working.
Frequently Asked Questions
Q: Do these fit my pinball machine?
They fit any socket that takes the T15, W16W, 921 or 906 bayonet base, which covers the majority of pinball playfield, backbox and general illumination positions. Check one socket in your machine if you are unsure of the base type.
Q: Does direction matter when I fit them?
No. These are non-polarity lamps that run on AC or DC from 12 to 13 volts, so there is no positive or negative side to get wrong. That is the practical difference from a standard DC-only lamp, which stays dark if it is fitted the wrong way round.
Q: How bright are they compared with the original bulbs?
The 130 to 280 lumen range depends on the colour chosen, with the 360 degree beam spreading light into the housing rather than concentrating it. For a playfield that should look period-correct, warm white at 3000 to 3500 K is the closest match to incandescent.
Q: Can I order mixed colours?
Ten colours are stocked, and the manufacturer allows mixed-colour orders at the same price with the notes left on the order, for example twenty red and thirty white. Add the split to your order notes when you check out.
Q: Do they get hot?
Far less than incandescent lamps, and the double-layer PCB with the chips and resistors on opposite faces is there to improve heat dissipation. Working range is rated from minus 20 to plus 40 degrees Celsius.
Q: How long will they last?
The manufacturer rates the lifespan above 50,000 hours. That figure suits machines that are played a few evenings a week, where a failure rate measured in years is enough to stop the constant bulb replacement that incandescent lamps cause.
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