Stock photo — may not be the exact part. Verify by part number before ordering.LG 0TR100809AA Bipolar Transistor – air purifier
LG has discontinued part 0TR100809AA.
Replaced by: 0TR187900AA $20.84
Not sure it's the right part? Check it against your unit or send us the model and serial — help@totalhvacparts.com or 302-219-4994.
Overview
LG 0TR100809AA is the genuine LG bipolar transistor for LG air purifiers. LG lists it for the AS500. LG has discontinued 0TR100809AA; its replacement is 0TR187900AA.
Check the model number on your unit's rating plate against the fit list on this page before ordering.
Fits These LG Units
LG lists 0TR100809AA for the models below. Enter your model and serial in the fit checker to confirm against LG's service notices.
AS50 models
- AS500
- AS500K
- AS500L
Specifications
Ask the Parts Desk
Not sure this fits? Need more than what's in stock? Send the model and serial from the unit's data plate — a real person reads it and confirms before you order.
Common Questions
What LG models does 0TR100809AA fit?
LG lists 0TR100809AA for: AS500, AS500K, AS500L. Use the fit checker on this page with your model and serial to confirm against LG's service notices.
What part numbers are interchangeable with 0TR100809AA?
LG lists 0TR187900AA as interchangeable with 0TR100809AA. If the part in your unit carries any of those numbers, 0TR100809AA is the current part.
Is the stock number on this page real?
Right now neither LG nor our warehouse shows 0TR100809AA on hand, so this page says out of stock. Ask the parts desk for a restock date, or check the interchangeable numbers listed above.
Is this a genuine LG part, or aftermarket?
Genuine LG OEM equipment sourced through LG's authorized parts program — not an aftermarket substitute.
How do I confirm this fits my unit?
Match part number 0TR100809AA to your unit's parts diagram. If unsure, send us your model and serial number and we'll verify before you order.
What's the warranty on this part?
Warranty terms vary by manufacturer. Contact us with your order number for details specific to this part.
How fast does this ship?
0TR100809AA is out of stock at the moment and ships when restocked — ask the parts desk for a date.
Does everything ship UPS or FedEx Ground?
Most orders ship UPS or FedEx Ground. A small number of large or heavy parts across the catalog ship by truck freight instead, and we reach out to arrange a delivery window before those orders leave the warehouse. Oversized items that ship by truck freight are also covered by free standard shipping on orders of $50 or more.
Enter the model number from your unit's data tag. Add the serial number too and we'll check it against LG's service notices for this part.