2PCS FH-23821 Balanced Armature Receiver Speaker Driver for Hearing Aids

Notice : Please wire touch unit contacts for test before install it. Replacements are not available once drivers been soldered.

Balanced Armature Speaker Receiver Driver FH-23821

FH/FFH Series

Balanced Armature Speaker

Knowles

The FH receiver represents an unprecedented combination of ultra-compact size and high SPL output with efficiencies normally found only in much larger receivers. The FH speaker line brings true high-gain, high-output performance to earphone designs.

Features:

Reduced vibration

Improved shock performance

Numerous port locations

Two terminal zero bias and three terminal center tapped configurations

Undamped, screen damped, internally damped, and Ferrofluid&Trade; damped responses with 2dB, 4dB, or peak amplitude

Wide range of coil impedances

Specification:

Type:Receiver, Balanced Armature

Efficiency – Type:Sensitivity

Port Location:Top

Efficiency – dBA:103.0

Shape:Rectangular

Size / Dimension:0.201″ L x 0.111″ W (5.09mm x 2.80mm)

Technology:Magnetic

Termination:Solder Pads

Frequency Range:200Hz

Height – Seated (Max):0.104″ (2.64mm)

Impedance:130 Ohms ~ 553 Ohms

Packaging:Tray