
The LT-3103-4 is a pulse width-modulated DC to DC converter that provides regulated multiple output power. The converter transforms an unregulated 28 VDC to a regulated and adjustable DC output via a remote control potentiometer or voltage for voltage controlled models. The LT-3103-4 is primarily designed to control the light intensity of incandescent bulbs in lighting systems.
- State of the art design for regulation and positive logic for output over-voltage protection.
- Maximum output voltage is adjustable with an internal trim pot.
- Designed to meet various applicable portions MIL-STD 704 notice 3, MiL-STD-202 and MIL-T-5422F class IA.
- The Model LT-3103-4 is serviceable, small and lightweight (42 watts per pound and 1.7 watts per cubic inch)
Product Codes | |
|---|---|
| Mfr Part No: | LT-3103-4 |
| NSN: | 6130-01-553-7134 |
| TSO: | C71 |
Dimensions: 6.7 x 6 x 2.35 in.
- Stock: Out of Stock
- Manufacturer Part #: LT-3103-4
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.