# Alternative for obsolete LED driver DLE15PS500-A

**URL:** <https://forum.digikey.com/t/alternative-for-obsolete-led-driver-dle15ps500-a/44571>\
**Category:** Power Supplies (off-board)\
**Tags:** cross-reference, thomas-research-products, led-drivers\
**Created:** [August 30, 2024, 12:53am UTC](https://forum.digikey.com/t/alternative-for-obsolete-led-driver-dle15ps500-a/44571 "2024-08-30T00:53:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Brian\_2933](https://avatars.discourse-cdn.com/v4/letter/b/71c47a/32.png) [@Brian\_2933](https://forum.digikey.com/u/Brian_2933)\
**Post date:** [August 30, 2024, 12:53am UTC](https://forum.digikey.com/t/alternative-for-obsolete-led-driver-dle15ps500-a/44571/1 "2024-08-30T00:53:37Z")

</div>

[LED20W-40-C0500-D](https://www.digikey.com/en/products/detail/thomas-research-products/LED20W-40-C0500-D/5017961) from Thomas Research Products is being offered as a possible replacement for obsolete part [DLE15PS500-A](https://www.digikey.com/en/products/detail/xp-power/DLE15PS500-A/4785466) from XP Power.

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[![Image](https://global.discourse-cdn.com/digikey/original/3X/0/6/06f52c41fc34fbdb44f549f929d4633a5fbe4ef9.jpeg)](https://www.digikey.com/en/products/detail/thomas-research-products/LED20W-40-C0500-D/5017961?s=N4IgTCBcDaIIxzHAtHALABgMzIHYBMQBdAXyA)

| MFR PART # | LED20W-40-C0500-D |
| --- | --- |
| DIGIKEY PART # | [1121-1403-ND](https://www.digikey.com/en/products/detail/thomas-research-products/LED20W-40-C0500-D/5017961?s=N4IgTCBcDaIIxzHAtHALABgMzIHYBMQBdAXyA) |
| MANUFACTURER | Thomas Research Products |
| DESCRIPTION | 500mA 20 ~ 40V Constant Current LED Driver AC DC Converter Topology 1 Output |
| DATASHEET | [Click Here](https://cdn.currentlighting.com/site/specsheet/LED-20W.pdf) |

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| Product Atributes | [DLE15PS500-A](https://www.digikey.com/en/products/detail/xp-power/DLE15PS500-A/4785466) | [LED20W-40-C0500-D](https://www.digikey.com/en/products/detail/thomas-research-products/LED20W-40-C0500-D/5017961) |
| --- | --- | --- |
| Product Status | Obsolete | Active |
| DigiKey Programmable | Not Verified | Not Verified |
| Type | Constant Current | Constant Current |
| Topology | AC DC Converter | AC DC Converter |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 90VAC | 90VAC |
| Voltage - Input (Max) | 264VAC | 305VAC |
| Voltage - Output | 24 ~ 30V | 20 ~ 40V |
| Current - Output (Max) | 500mA | 500mA |
| Power (Watts) | 15 W | 20 W |
| Voltage - Isolation | 3.75 kV | - |
| Dimming | - | Analog |
| Features | OCP, SCP | OCP, OVP, SCP |
| Ratings | IP67 | IP66, NEMA 4 |
| Operating Temperature | -20°C ~ 70°C | - |
| Efficiency | 83% | 82% |
| Termination Style | Wire Leads | Wire Leads |
| Size / Dimension | 4.33 L x 1.38 W x 0.98 H (110.0mm x 35.0mm x 25.0mm) | 3.74 L x 1.61 W x 0.98 H (95.0mm x 41.0mm x 25.0mm) |

To verify this part will work in your application or to view full specifications see the manufacturer datasheet [Data Sheet](https://cdn.currentlighting.com/site/specsheet/LED-20W.pdf)