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White ceramic lamp holder with 28 inch wire leads

OSRAM SYLVANIA

OSRAM SYLVANIA TP-61 G4 GU5.3 G6.35 lamp holder 28 inch leads

SKU CH-4Q65-ZGXVZ

Lamp holder accepts G4, GU5.3 and G6.35 bases with 28-inch leads for halogen and specialty bulbs

  • Flexible installation with 28 inch leads
  • Broad compatibility covering G4, GU5.3 and G6.35 bases
  • Supports many projector and specialty lamp codes
  • Ready to use straight from the box
  • Durable socket construction for reliable connections

Socket compatibility

This TP-61 lamp holder accepts G4, GU4, GX4, GZ4, G5.3, GU5.3, GX5.3, G6.35, GX6.35, GY6.35 and GZ6.35 bi-pin bases. It is intended for technicians and integrators who need a single socket for many MR11, MR16 and capsule lamp types.

Thermal and electrical behaviour

The holder uses 28 inch leads that carry current to the lamp without adding active cooling. In normal operation the socket body remains at ambient temperature while the lamp itself generates heat. No fan or heatsink is present so noise is absent.

Sustained load performance

The ceramic body withstands continuous heat from lamps rated up to 150 watts such as the 64292 XIR 150W and 64668 XIR 80W models. Contacts maintain grip through repeated thermal cycles without a separate retention clip.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 58% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameOsram Sylvania

Questions about this item

How do I connect the 28-inch leads when installing this TP-61 lamp holder?

Strip the insulation on the 28-inch leads and wire them to your fixture's supply conductors using appropriate connectors; the step often missed is verifying the lead polarity matches the low-voltage transformer output before securing the holder.

Which component of this TP-61 holder will need replacement first under normal use?

The spring-contact sockets that grip G4, GU5.3 and G6.35 bases can lose tension after repeated lamp changes, so the holder itself is the part most likely to require replacement.

What thermal limit appears first when this TP-61 holder runs a 150-watt lamp continuously?

The ceramic body and 28-inch lead insulation are rated for the heat of lamps up to 150 watts, so the lead insulation temperature limit is typically reached before the socket body degrades.

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