BR30 vs. PAR30 Bulbs: Reflector, Beam, Size and Location Checks

BR30 Spreads Light; PAR30 Aims It

The main difference between BR30 and PAR30 is how the reflector shapes light. A BR30 gives a wide, softer spread for general downlighting; a PAR30 directs light into a defined beam, sold as narrow flood, flood and similar options, for task, accent or outdoor use. In one SYLVANIA family the BR30 and PAR30 have identical watts and lumens, so neither is simply “brighter.”

In those same records, the PAR30 versions are also shorter than the BR30 and are marked for wet locations, while the BR30 is marked for damp locations. Those are product-record facts, not rules for every lamp. Before replacing one with the other in a recessed light, confirm what the housing and trim allow, how far the shorter or taller lamp will sit from the trim, and whether the complete fixture is rated for the location.

Bulged Reflector vs. Parabolic Aluminized Reflector

BR stands for bulged reflector and PAR for parabolic aluminized reflector. LEDVANCE describes BR lamps as having a wider diffusion angle and softer light, common in household downlights, and PAR lamps as directing light into a narrow or wide beam. The number after the letters is the nominal diameter in eighths of an inch.

A beam angle tells you how wide the main cone of light is. The PAR30 records list a 25° narrow flood and a 40° flood version; the matching BR30 record lists no beam angle at all. That blank is “not reported,” not a number you should fill in from another product. If you need beam or distribution data for a BR lamp, get it from that exact SKU’s manufacturer documentation; the spec-sheet guide shows which fields to read.

Three Same-Family SKU Records Side by Side

These SYLVANIA Contractor Series 5CCT records come from one LEDVANCE family document, with the same 8 W, 650 lm, CRI 80, E26 base, 120 V and selectable color temperatures. That keeps output constant, so the visible differences are reflector type, beam data, height and location statement.

Treat these as an example of how to compare lamps, not as typical values. Another manufacturer’s BR30 can report a beam angle, a PAR30 can have a different output, and either can carry different location or enclosure language.

Same Diameter, Different Height and Face Position

BR30 and PAR30 both mean 30 eighths of an inch, or 3.75 in nominal diameter, and the three cited records each list 3.74 in (95 mm). Height is what changes: 5.118 in for the BR30, 4.528 in for the PAR30LN and 3.622 in for the short-neck PAR30.

In a recessed housing the socket stays where it is, so a shorter lamp puts its face higher inside the can and a taller one brings it closer to the trim opening. That changes how much of the lamp shows, how the trim cuts off light, and whether the lamp clears the trim at all. Housing and trim labels can list specific lamp types for this reason, which is why “PAR30” and “PAR30LN” should not be treated as interchangeable labels.

For BR diameter codes beyond 30, see BR30 vs. BR40; to measure the opening, trim and body separately, use the recessed-light measurement sequence.

Damp vs. Wet: The Lamp Rating Is Not the Fixture Rating

In the cited family, the BR30 is listed as suitable for damp locations and the PAR30 and PAR30LN as suitable for wet locations. A wet-listed lamp alone does not make an open recessed fixture, its trim or its wiring suitable where water can reach it.

Enclosure is a separate question again. The cited document lists enclosed-fixture approval only for its A19 lamps, so do not assume either the BR30 or PAR30 records approve use in an enclosed or insulated fixture; check the lamp and fixture instructions, and see IC rating checks for the housing itself.

Can You Replace a BR30 With a PAR30 in a Recessed Light?

Sometimes. When the housing or trim lists both lamp types, a PAR30 of the right neck length can replace a BR30, but the light changes: a 40° or 25° beam lights a smaller area more strongly and leaves more of the ceiling and walls darker. A matching E26 base only shows that it screws in.

Changing every can from BR30 to a narrower PAR30 can leave dim gaps between lights if the layout was spaced for a wide spread. Recheck spacing with the new lamp’s beam angle and lumens before swapping a whole room.

Choose by Situation

Pick the reflector for the light you need, then confirm the fixture accepts that exact lamp. The table pairs common situations with the evidence to collect first.

The calculator estimates general-lighting count and layout from the lumens and beam angle you enter. It does not identify a lamp, approve a substitution or validate fixture ratings.

Frequently Asked Questions

Sources and Scope

Maintained by Recessed Light Calculator. This is a lamp-type and product-check guide, not a lamp test, photometric report, installation instruction or universal compatibility chart. The diagram is original and conceptual; only its widths and heights follow the cited records.

• LEDVANCE / SYLVANIA Contractor Series 5CCT Selectable LED Family (LED620R3, 1-26) — downloaded November 4, 2026. Items 42575 (BR30), 42567/42568 (PAR30) and 42569/42570 (PAR30LN): ordering table p.2, physical information p.3, and damp/wet, dimming and enclosed-fixture lines p.1. The BR30 beam-angle cell is a dash, shown here as “Not reported.”
• LEDVANCE, “Light Bulb Sizes: A/B/C/CA/R/MR/BR/PAR/G/T Type Explained” — checked November 4, 2026; source for the bulged and parabolic aluminized reflector names, the general BR/PAR use descriptions and the eighths-of-an-inch naming convention.

Recheck the current lamp and fixture documentation for the exact model, configuration and installation before purchase or replacement. To report a correction, use Contact.