Direct answer
For refrigerator and microwave bulbs, match the old bulb base, voltage, wattage and physical size first. Appliance fit and heat or enclosure conditions should be Confirm by RFQ, especially for bulk replacement programs.
Comparison table
| Application | Common RFQ concern | Required buyer detail |
|---|---|---|
| Refrigerator | Size and cover clearance | Base, voltage, wattage, glass size and appliance location |
| Microwave | Fixture and enclosure requirements | Original sample, base, voltage, wattage and appliance reference |
| Other appliance | Different socket and temperature conditions | Photos, markings and intended use |
How to identify
Remove the old bulb safely and photograph the base and marking.
Measure the bulb length and diameter.
Check whether the bulb is installed behind a cover.
Record appliance type and intended replacement quantity.
Buyer checks
Confirm whether the use is refrigerator, microwave or another appliance.
Match base, voltage and wattage.
Check glass size and installation clearance.
Confirm by RFQ for appliance-specific approval or heat requirements.
Confirm by RFQ
AOTENG can provide sourcing options from supplied specifications. Appliance approval, heat suitability and exact equipment fit must be Confirm by RFQ.
Common mistakes
Using a visually similar decorative bulb for an appliance fixture.
Ignoring cover clearance.
Not distinguishing microwave use from general appliance use.
FAQ
Are refrigerator and microwave bulbs the same?
Not automatically. They can use different bases, sizes and appliance requirements.
Can I order by appliance name only?
No. Send base, voltage, wattage, size and old sample photos.
Should LED replacement be assumed?
No. LED replacement depends on fixture, driver and application requirements. Confirm by RFQ.
Sources and limits
- AOTENG product catalog - Product and specification reference
- AOTENG procurement support - RFQ and sourcing guidance
