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| Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | Mount | Mounting Type | Package / Case | Shape | Material - Cone | Material - Magnet | Brand | Case Code - in | Case Code - mm | Duty Cycle - Max | Factory Pack QuantityFactory Pack Quantity | Frequency-Self-Resonant | Length - in | Length - mm | Manufacturer | Manufacturer Part Number | Maximum Operating Temperature | Mfr | Minimum Operating Temperature | Mounting Styles | Package | Part # Aliases | Product Status | Qualification | RoHS | Sound Pressure Level | Supply Voltage-Max | Supply Voltage-Min | Unit Weight | Voltage Rating DC | Voltage, Rating | Width - in | Width - mm | Operating Temperature | Packaging | Series | Size / Dimension | Tolerance | Termination | Temperature Coefficient | Connector Type | Type | Resistance | Max Operating Temperature | Min Operating Temperature | Capacitance | Subcategory | Power Rating | Technology | Ingress Protection | Depth | Current Rating | Frequency | Frequency Stability | Termination Style | Dielectric | Load Capacitance | Impedance | Wire/Cable Type | Cable Length | Drive Level | Product Type | ESR | Frequency Range | Output Format | Port Location | Efficiency - dBA | Efficiency - Type | Efficiency - Testing | Product | Features | Product Category | Distortion Rating | IP Rating | Diameter | Height | Height Seated (Max) | Length | Width | Radiation Hardening | Ratings |
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![]() | Mfr. Part #FK-26888-000Twicea Part #427-54-FK-26888-000 | Knowles |
940 Ohms Receiver Speaker 200 Hz ~ 6 kHz Top Rectangular
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| 38
In Stock
| Min.:1 Mult.:1 | - | - | - | Rectangular | - | - | Knowles | - | - | - | 100 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | -17°C ~ 63°C | Bulk | FK | 0.197" L x 0.107" W (5.00mm x 2.73mm) | - | Solder Pads | - | - | Receiver | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | 940 Ohms | - | - | - | Speakers & Transducers | - | 200 Hz ~ 6 kHz | - | Top | 93.00 | Sound Pressure Level (SPL) | - | Receivers | - | Speakers & Transducers | - | - | - | - | 0.780" (19.80mm) | - | - | - | - | |
| FK-26888-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #10826827Twicea Part #427-54-10826827 | Knowles |
SPEAKER RECEIVER
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| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Mennekes Electrical Products | ME532BBR6W-1210 | - | Knowles | - | - | Bulk | - | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | * | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| 10826827 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EC-26468-A33Twicea Part #427-54-EC-26468-A33 | Knowles |
SPEAKER RECEIVER
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| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | PEI-Genesis | - | - | Bulk | - | Active | - | - | - | - | - | - | - | - | - | - | - | - | * | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| EC-26468-A33 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EF-26444-000Twicea Part #427-54-EF-26444-000 | Knowles |
Speakers & Transducers 7.87 X 5.59 X 4.01MM 126 SENS, 1S PORT
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| Min.:1 Mult.:1 | - | - | - | - | - | - | Knowles | - | - | - | - | - | 0.31 in | 7.87 mm | Knowles | - | - | - | - | - | - | - | - | - | Details | - | - | - | - | - | - | 0.22 in | 5.59 mm | - | Bulk | EF/FEF | - | - | - | - | - | - | - | - | - | - | Audio Devices | - | - | - | 4.01 mm | - | - | - | - | - | - | 135 Ohms | - | - | - | Speakers & Transducers | - | - | - | - | - | - | - | Receivers | - | Speakers & Transducers | - | - | - | - | - | 7.87 mm | 5.59 mm | - | - | ||
| EF-26444-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BK-21618-000Twicea Part #427-54-BK-21618-000 | Knowles |
Speakers & Transducers Balanced Armature Speaker
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| Min.:1 Mult.:1 | - | - | - | - | - | - | Knowles | - | - | - | 25 | - | 0.31 in | 7.87 mm | Knowles | - | - | - | - | Board Mount | - | - | - | - | Details | 114.5 dBA | - | - | - | - | - | 0.22 in | 5.59 mm | - | Bulk | BK | - | - | - | - | - | Balanced Armature | - | - | - | - | Audio Devices | - | - | - | 4.01 mm | - | 4 kHz | - | Solder Pad | - | - | 1.5 kOhms | - | - | - | Speakers & Transducers | - | - | - | - | - | - | - | Receivers | - | Speakers & Transducers | - | - | - | - | - | 7.87 mm | 5.59 mm | - | - | ||
| BK-21618-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAD-33756-000Twicea Part #427-54-RAD-33756-000 | Knowles |
RECEIVER
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| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Knowles | - | - | Bulk | - | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RAD-33756-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAI-33767-000Twicea Part #427-54-RAI-33767-000 | Knowles |
RECEIVER
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| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | Rectangular | - | - | Knowles | - | - | - | 1 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | -17°C ~ 63°C | - | RAI | 0.310 L x 0.161 W (7.87mm x 4.09mm) | - | Solder Pads | - | - | Receiver | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | 76 Ohms | - | - | - | Speakers & Transducers | - | 200 Hz ~ 4.1 kHz | - | Top | 118.00 | Sound Pressure Level (SPL) | - | - | - | Speakers & Transducers | - | - | - | - | 0.112 (2.84mm) | - | - | - | - | |
| RAI-33767-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAI-33651-000Twicea Part #427-54-RAI-33651-000 | Knowles |
RECEIVER
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Compare
| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | Rectangular | - | - | Knowles | - | - | - | 100 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | - | Bulk | RAI | 0.310 L x 0.161 W (7.87mm x 4.09mm) | - | Solder Pads | - | - | Receiver | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | 69 Ohms | - | - | - | Speakers & Transducers | - | 200 Hz ~ 4 kHz | - | Top | 117.00 | Sound Pressure Level (SPL) | - | - | - | Speakers & Transducers | - | - | - | - | 0.112 (2.84mm) | - | - | - | - | |
| RAI-33651-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAB-33458-000Twicea Part #427-54-RAB-33458-000 | Knowles |
RECEIVER
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| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | Knowles | - | - | - | 100 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Compliant | - | - | - | - | - | - | - | - | - | Tape and Reel | - | - | 10 % | - | - | - | - | - | 125 °C | -55 °C | 180 nF | Audio Devices | - | - | - | 3.18 mm | - | - | - | - | X7R | - | - | - | - | - | Speakers & Transducers | - | - | - | - | - | - | - | - | - | Speakers & Transducers | - | - | - | - | - | 5.08 mm | - | - | - | |
| RAB-33458-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAD-33341-000Twicea Part #427-54-RAD-33341-000 | Knowles |
RECEIVER
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| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Knowles | - | - | Bulk | - | Active | - | Non-Compliant | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RAD-33341-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAB-32146-000Twicea Part #427-54-RAB-32146-000 | Knowles |
RECEIVER
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| 8
In Stock
| Min.:1 Mult.:1 | Cable | - | - | - | - | - | Knowles | - | - | - | 100 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Compliant | - | - | - | - | - | - | - | - | - | Bulk | - | - | - | - | - | Duplex LC | - | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | - | Fiber Optic | 3 m | - | Speakers & Transducers | - | - | - | - | - | - | - | - | - | Speakers & Transducers | - | - | - | - | - | - | - | No | - | |
| RAB-32146-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAE-32746-000Twicea Part #427-54-RAE-32746-000 | Knowles |
RECEIVER
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| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Knowles | - | - | Bulk | - | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RAE-32746-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #WBFK-31142-000Twicea Part #427-54-WBFK-31142-000 | Knowles |
RECEIVER
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| 4
In Stock
| Min.:1 Mult.:1 | - | - | - | Rectangular | - | - | Knowles | - | - | - | 100 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | -17°C ~ 63°C | Bulk | WBFK | 0.197 L x 0.107 W (5.00mm x 2.73mm) | - | Solder Pads | - | - | Receiver | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | 13.8 Ohms | - | - | - | Speakers & Transducers | - | 200 Hz ~ 8.05 kHz | - | Top | 91.00 | Sound Pressure Level (SPL) | - | - | - | Speakers & Transducers | - | - | - | - | 0.780 (19.80mm) | - | - | - | - | |
| WBFK-31142-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EH-27975-000Twicea Part #427-54-EH-27975-000 | Knowles |
RECEIVER
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| 11
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | Knowles | - | - | - | 1 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | - | Bulk | - | - | - | - | - | - | - | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Speakers & Transducers | - | - | - | - | - | - | - | Speakers | - | Speakers & Transducers | - | - | - | - | - | - | - | - | - | |
| EH-27975-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAB-32667-000Twicea Part #427-54-RAB-32667-000 | Knowles |
RECEIVER
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| 6
In Stock
| Min.:1 Mult.:1 | - | Panel Mount | - | Rectangular | - | - | Knowles | - | - | - | 100 | - | - | - | Knowles | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | -17°C ~ 63°C | Bulk | LN | 0.203 L x 0.117 W (5.15mm x 2.96mm) | - | Solder Pads | - | - | Receiver | - | - | - | - | Audio Devices | - | - | - | - | - | - | - | - | - | - | 336 Ohms | - | - | - | Speakers & Transducers | - | 200 Hz ~ 6.1 kHz | - | Top | 101.00 | Sound Pressure Level (SPL) | - | - | - | Speakers & Transducers | - | - | - | - | 0.103 (2.63mm) | - | - | - | - | |
| RAB-32667-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #2403 260 00111Twicea Part #427-54-2403 260 00111 | Knowles |
Speakers & Transducers Receiver Franklin WP
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| Min.:1 Mult.:1 | - | - | - | - | - | - | EPCOS / TDK | - | - | - | 16 | - | - | - | EPCOS / TDK | - | + 105 C | - | - 40 C | - | - | B43763A5478M | - | - | Details | - | - | - | - | 450 VDC | - | - | - | - | Bulk | B43763A | - | 20 % | - | - | - | - | - | - | - | 4700 uF | Capacitors | - | - | - | - | - | - | - | Screw | - | - | - | - | - | - | Electrolytic Capacitors | 19 mOhms | - | - | - | - | - | - | Aluminum Electrolytic Capacitors | - | Aluminum Electrolytic Capacitors - Screw Terminal | - | - | 76.9 mm | - | - | 143.2 mm | - | - | - | ||
| 2403 260 00111 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #GR-31653-000Twicea Part #427-54-GR-31653-000 | Knowles |
RECEIVER
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| 44
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | Welwyn Components / TT Electronics | 2512 | 6432 | - | 4000 | - | - | - | TT Electronics | - | + 125 C | Knowles | - 55 C | PCB Mount | Bulk | - | Active | AEC-Q200 | Details | - | - | - | 0.001340 oz | - | 150 V | - | - | - | Reel | PCF | - | 0.1 % | - | 25 PPM / C | - | - | 6.8 kOhms | - | - | - | Resistors | 500 mW (1/2 W) | Thin Film | - | - | - | - | - | - | - | - | - | - | - | - | Thin Film Resistors | - | - | - | - | - | - | - | - | - | Thin Film Resistors - SMD | - | - | - | 0.65 mm | - | 6.3 mm | 3.1 mm | - | - | |
| GR-31653-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #TWFK-33527-000Twicea Part #427-54-TWFK-33527-000 | Knowles |
RECEIVER
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| 44
In Stock
| Min.:1 Mult.:1 | - | - | 11.7 mm x 5 mm | - | - | - | CTS Electronic Components | - | - | - | 1000 | - | - | - | CTS | - | + 85 C | Knowles | - 40 C | SMD/SMT | Bulk | - | Active | - | Details | - | - | - | - | - | - | - | - | - | Cut Tape | ATSSMGL | - | 30 PPM | - | - | - | Quartz Crystal | - | - | - | - | Crystals | - | - | - | - | - | 10 MHz | 30 PPM | SMD/SMT | - | 18 pF | - | - | - | 100 uW | Crystals | 60 Ohms | - | - | - | - | - | - | Crystals | - | Crystals | - | - | - | 4.3 mm | - | 11.7 mm | 5 mm | - | - | |
| TWFK-33527-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #GD30-32663-000Twicea Part #427-54-GD30-32663-000 | Knowles |
RECEIVER
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| 44
In Stock
| Min.:1 Mult.:1 | - | - | 5 mm x 3.2 mm | - | - | - | CTS Electronic Components | - | - | - | 1000 | - | - | - | CTS | - | - | Knowles | - | - | Bulk | - | Active | - | Details | - | - | - | 0.001764 oz | - | - | - | - | - | MouseReel | 445 | - | - | - | - | - | - | - | - | - | - | Crystals | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Crystals | - | - | - | - | - | - | - | - | - | Crystals | - | - | - | - | - | 5 mm | 3.2 mm | - | - | |
| GD30-32663-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #GD-33063-000Twicea Part #427-54-GD-33063-000 | Knowles |
RECEIVER
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| 44
In Stock
| Min.:1 Mult.:1 | - | - | 7 mm x 5 mm | - | - | - | CTS Electronic Components | - | - | 55 % | 1000 | - | - | - | CTS | - | + 85 C | Knowles | - 40 C | SMD/SMT | Bulk | CB3LV-5I-3.6860-T CB3LV-5I-3M686000 960-0009-0416FT | Active | - | Details | - | 3.6 V | 3 V | - | - | - | - | - | - | Bulk | CB3LV | - | - | - | - | - | - | - | - | - | - | Oscillators | - | - | - | - | 7 mA | 3.686 MHz | 25 PPM | SMD/SMT | - | 50 pF | - | - | - | - | Standard Oscillators | - | - | HCMOS, TTL | - | - | - | - | - | - | Standard Clock Oscillators | - | - | - | 1.8 mm | - | 7 mm | 5 mm | - | - | |
| GD-33063-000 |
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