Optoma TX735 projector lamp
The Optoma TX735 takes lamp H1Z1DSP00010 / 5811100256-S, a 180 W lamp rated for 3,000 hours. It is available both as a complete module (bulb fitted in its housing) and as a bare bulb for re-using your existing housing. The same lamp is also sold under 6 other part numbers, all listed below. It fits 11 Optoma models in total.
The code moulded into your old lamp or printed on its housing may be any of these. They are the same part. If the code on your lamp appears in this table, it fits the Optoma TX735.
| Code | Used by |
|---|---|
H1Z1DSP00010 | Optoma original part number |
5811100256-S | Optoma original part number |
5811100256-S | Equivalent code |
AJ-LDX4 | Equivalent code |
BL-FP180C | Equivalent code |
DE.5811100256 | Equivalent code |
DE.5811100256-S | Equivalent code |
H1Z1DSP00010 | Equivalent code |
The code printed on your old lamp or its housing should match one of the codes listed above. Optoma and third-party suppliers sell the same lamp under several numbers.
The model number is on a label on the base or rear of the projector, and in the on-screen menu under Information. Still unsure? Send a photo of the old lamp and we'll confirm the match.
If your projector is one of these rather than the TX735, the same lamp is the correct part.
Which lamp does the Optoma TX735 take?
The Optoma TX735 uses H1Z1DSP00010 / 5811100256-S, also sold as 5811100256-S, AJ-LDX4, BL-FP180C, DE.5811100256, DE.5811100256-S, H1Z1DSP00010.
Should I buy the bare bulb or the module?
Both are available. The module is the bulb already fitted in its housing and is the quicker swap. The bare bulb is cheaper and re-uses your existing housing, but you move the bulb across yourself.
How long does the TX735 lamp last?
H1Z1DSP00010 is rated for 3,000 hours at 180 W. Actual life depends on the lamp mode you run and how the projector is ventilated.
Does the same lamp fit other Optoma projectors?
Yes. The same lamp also fits the Optoma DP7142, the Optoma DS676, the Optoma DX612, the Optoma DX675, the Optoma ES520, the Optoma ES530 and other Optoma models listed on this page.


