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| Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | Factory Lead Time | 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 | For Use With | Frequency-Self-Resonant | Manufacturer | Maximum Operating Temperature | Mfr | Minimum Operating Temperature | Mounting Styles | Package | Part # Aliases | Product Status | Qualification | RoHS | Supply Voltage-Max | Supply Voltage-Min | Unit Weight | Voltage Rating DC | Voltage, Rating | Operating Temperature | Packaging | Published | Series | Size / Dimension | Tolerance | Part Status | Moisture Sensitivity Level (MSL) | Termination | Temperature Coefficient | Type | Resistance | Capacitance | Subcategory | Power Rating | Technology | Ingress Protection | Depth | Current Rating | Frequency | Frequency Stability | Termination Style | Load Capacitance | Impedance | Accessory Type | 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 | RoHS Status | Ratings |
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![]() | Mfr. Part #CI-22746-000Twicea Part #427-54-CI-22746-000 | Knowles |
Speakers & Transducers Balanced Armature Speaker
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| 37
In Stock
| Min.:1 Mult.:1 | 8 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tray | 2011 | CI | 0.373Lx0.283W 9.47mmx7.18mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 4.1mm | - | 5.5kHz | - | - | - | 120Ohm | - | - | - | - | 200Hz~5.5kHz | - | Top | 131.50 | Sensitivity | - | - | - | - | - | - | - | 4.1mm | 0.165 4.19mm | - | - | RoHS Compliant | - | |
| CI-22746-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EF-26665-000Twicea Part #427-54-EF-26665-000 | Knowles |
Speakers & Transducers 7.87 X 5.59 X 4.01MM 126.5 SENS, 1S PORT
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| 31
In Stock
| Min.:1 Mult.:1 | 8 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2005 | EF | 0.310Lx0.220W 7.87mmx5.59mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver | - | - | - | - | - | - | 4.06mm | - | 6.3kHz | - | - | - | 536Ohm | - | - | - | - | 200Hz~6.3kHz | - | Top | 122.00 | Sensitivity | - | - | - | - | - | - | - | - | 0.310 7.87mm | - | - | RoHS Compliant | - | |
| EF-26665-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #WBFK-30019-000Twicea Part #427-54-WBFK-30019-000 | Knowles |
SPEAKER 15.2OHM SIDE PORT RECT
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| 115
In Stock
| Min.:1 Mult.:1 | 8 Weeks | External | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tray | 2010 | WBFK | 0.197Lx0.108W 5.00mmx2.73mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 1.98mm | - | 7.7kHz | - | - | - | 15.2Ohm | - | - | - | - | 200Hz~7.7kHz | - | Top | 91.00 | Sound Pressure Level (SPL) | - | - | - | - | - | - | - | 1.98mm | 0.260 6.60mm | - | - | RoHS Compliant | - | |
| WBFK-30019-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DTEC-30008-000Twicea Part #427-54-DTEC-30008-000 | Knowles |
SPEAKER 31.5OHM SIDE PORT RECT
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| 111
In Stock
| Min.:1 Mult.:1 | 8 Weeks | External | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tray | 2010 | DTEC | 0.310Lx0.161W 7.87mmx4.09mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 5.59mm | - | 6.3kHz | - | - | - | 31.5Ohm | - | - | - | - | 200Hz~6.205kHz | - | Top | 113.50 | Sound Pressure Level (SPL) | - | - | - | - | - | - | - | 5.69mm | 0.310 7.87mm | - | - | RoHS Compliant | - | |
| DTEC-30008-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BK-21610-000Twicea Part #427-54-BK-21610-000 | Knowles |
Speakers & Transducers Balanced Armature Speaker
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| 34608
In Stock
| Min.:1 Mult.:1 | 8 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tray | 2007 | BK | 0.310Lx0.220W 7.87mmx5.59mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | 145Ohm | - | - | - | - | - | 4.01mm | - | 4kHz | - | - | - | 145Ohm | - | - | - | - | 200Hz~4kHz | - | Top | 125.50 | Sensitivity | - | - | - | - | - | - | - | 4.01mm | 0.310 7.87mm | - | - | RoHS Compliant | - | |
| BK-21610-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #CM-23152-000Twicea Part #427-54-CM-23152-000 | Knowles |
SPEAKER 150OHM TOP PORT 110DB
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| Min.:1 Mult.:1 | 4 Weeks | - | - | - | Round | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2007 | CM | 0.651Dia 16.54mm | - | Obsolete | 1 (Unlimited) | Flex Contacts | - | Receiver, Balanced Armature | - | - | - | - | - | - | 8.38mm | - | 5kHz | - | - | - | 150Ohm | - | - | - | - | 100Hz~5kHz | - | Top | 107.00 | Sensitivity | - | - | - | - | - | - | 16.54mm | 8.38mm | 0.330 8.38mm | - | - | RoHS Compliant | - | ||
| CM-23152-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #ES-23127-000Twicea Part #427-54-ES-23127-000 | Knowles |
SPEAKER 50OHM SIDE PORT 107DB
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| Min.:1 Mult.:1 | 6 Weeks | External | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2005 | ES | 0.204Lx0.140W 5.18mmx3.55mm | - | Obsolete | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 3.08mm | - | 5.95kHz | - | - | - | 50Ohm | - | - | - | - | 200Hz~5.9kHz | - | Top | 104.00 | Sensitivity | - | - | - | - | - | - | - | 3.08mm | 0.121 3.08mm | - | - | RoHS Compliant | - | ||
| ES-23127-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EC-27817-000Twicea Part #427-54-EC-27817-000 | Knowles |
Speakers & Transducers Balanced Armature Speaker
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| Min.:1 Mult.:1 | 4 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tray | 2013 | EC | 0.298Lx0.170W 7.57mmx4.31mm | - | Obsolete | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 3.7mm | - | 4kHz | - | - | - | 154Ohm | - | - | - | - | 200Hz~4kHz | - | Top | 111.00 | Sensitivity | - | - | - | - | - | - | - | 3.7mm | 0.147 3.73mm | - | - | RoHS Compliant | - | ||
| EC-27817-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EC-23097-000Twicea Part #427-54-EC-23097-000 | Knowles |
SPEAKER 400OHM SIDE PORT 120DB
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| Min.:1 Mult.:1 | 6 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2010 | EC | 0.298Lx0.170W 7.57mmx4.31mm | - | Obsolete | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | 400Ohm | - | - | - | - | - | 3.73mm | 1.55mA | 4kHz | - | - | - | 400Ohm | - | - | - | - | 200Hz~4kHz | - | Top | 111.00 | Sensitivity | - | - | - | - | - | - | - | 3.73mm | 0.147 3.73mm | - | - | RoHS Compliant | - | ||
| EC-23097-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #CI-28267-000Twicea Part #427-54-CI-28267-000 | Knowles |
Speakers & Transducers Balanced Armature Speaker
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| 31
In Stock
| Min.:1 Mult.:1 | 4 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tray | 2012 | CI | 0.373Lx0.283W 9.47mmx7.18mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 4.1mm | - | 5.5kHz | - | - | - | 174Ohm | - | - | - | - | 200Hz~5.5kHz | - | Side | 131.50 | Sensitivity | - | - | - | - | - | - | - | 4.1mm | 0.165 4.19mm | - | - | RoHS Compliant | - | |
| CI-28267-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #ED-23093-000Twicea Part #427-54-ED-23093-000 | Knowles |
Speakers & Transducers Balanced Armature Speaker
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| 31
In Stock
| Min.:1 Mult.:1 | 4 Weeks | - | - | - | Rectangular | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2008 | ED | 0.248Lx0.169W 6.30mmx4.29mm | - | Active | 1 (Unlimited) | Solder Pads | - | Receiver, Balanced Armature | - | - | - | - | - | - | 3mm | - | 5kHz | - | - | - | 745Ohm | - | - | - | - | 200Hz~5kHz | - | Top | 107.00 | Sensitivity | - | - | - | - | - | - | - | - | 0.248 6.30mm | - | - | RoHS Compliant | - | |
| ED-23093-000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #EC-61352-P28Twicea Part #427-54-EC-61352-P28 | Knowles |
SPEAKER RECEIVER
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| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | - | - | - | Crimping Tools | - | - | - | Knowles | - | - | Bulk | - | Obsolete | - | - | - | - | - | - | - | - | - | - | * | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Spring Clamp | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| EC-61352-P28 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | 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 #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 #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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #RAB-33565-000Twicea Part #427-54-RAB-33565-000 | Knowles |
RECEIVER
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| 44
In Stock
| Min.:1 Mult.:1 | - | - | - | DIP-14 | - | - | - | CTS Electronic Components | - | - | 55 % | 50 | - | - | CTS | + 70 C | Knowles | - 20 C | - | Bulk | MXO45-2C-16.3840MHZ MXO45-2C-16M384000 960-0001-0099 | Active | - | Details | 5.5 V | 4.5 V | 0.133142 oz | - | - | - | Bulk | - | MXO45 | - | - | - | - | - | - | - | - | - | Oscillators | - | - | - | - | 10 mA | 16.384 MHz | 100 PPM | Radial | 50 pF | - | - | - | Standard Oscillators | - | - | HCMOS, TTL | - | - | - | - | - | - | Standard Clock Oscillators | - | - | - | 5.1 mm | - | 20.8 mm | 13.2 mm | - | - | |
| RAB-33565-000 |
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