What are Audio Transformers ?
Audio Transformers are specialized components designed to transfer audio signals between different circuits while minimizing signal loss and distortion. They are commonly used in applications such as production electronics assembly and maintenance. Important specifications for selection include Frequency Range, which affects the audio quality; Impedance, which ensures compatibility with other components; and DC Resistance (DCR), which influences power efficiency. Validating these specifications is crucial for ensuring optimal performance in audio applications.
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| Part & Mfr | AEC Qualified | Approval Agency | Automotive Grade | DC Resistance | DC Resistance (DCR) | Frequency Range | Frequency Response | Height | Impedance | Industrial Grade | Insertion Loss | Lead Spacing | Lead Style | Length | Medical Grade | Military Grade | Mounting Type | Operating Temperature | Output | Power Level | Return Loss | Size | Storage Temperature | Tape & Reel | Termination Style | Transformer Type | Turns Ratio | Voltage | Width | Working Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Triad Magnetics
|
290
|
$3.00
|
No | - | No | - | 72 Ohm | 300Hz ~ 100kHz | +3dB, at 300Hz to 100kHz | 11.80mm (0.465") | 600 Ohm | No | - | - | - | 10.41mm (0.410") | No | No | Through Hole | -40°C ~ 85°C | - | 50mW | - | - | -55°C ~ 105°C | No | PC Pin | Audio Coupling | 1:1 | 1000VRMS @ 1 Second | 7.87mm (0.310") | 150VDC | |
|
Pulse Electronics
|
141
|
$3.00
|
- | - | - | - | 55Ohm | - | - | 12.32mm (0.485") | 600 | - | 1dB @ 200Hz, 1dB @ 1kHz, 1dB @ 20kHz, 1.9dB @ 100kHz | 13.46 mm | Gull Wing | 13.46mm (0.530") | - | - | Surface Mount | - | - | - | 20dB @ 200Hz, 1dB @ 1kHz, 25dB @ 10kHz | - | °C ~ °C | No | Gull Wing | General Purpose | 1:1 | 1500Vrms | 13.11mm (0.516") | - | |
|
Triad Magnetics
|
31
|
$3.00
|
- | - | - | 330Ω | 1.05kOhm | 300Hz | ±2dB | 11.80mm (0.465") | 2k CT | - | - | - | - | 10.41mm (0.410") | - | - | Through Hole | -40°C | - | 50mW | - | - | -40°C | - | PC Pin | Audio Coupling | 2.24:1 | 1000VRMS @ 1 Second | 7.87mm (0.310") | 150VDC | |
|
Triad Magnetics
|
16
|
$3.00
|
- | - | - | - | 72Ω | 300Hz / 100kHz | ±2dB | 11.80mm (0.465") | 600Ω | - | - | - | - | 10.41mm (0.410") | - | - | Through Hole | -40°C / 85°C | - | 50mW | - | - | °C ~ °C | No | PC Pin | Audio Coupling | 2:1:1 | 1000VRMS @ 1 Second | 7.87mm (0.310") | 150VDC | |
Hammond Manufacturing
|
10
|
$3.00
|
- | - | - | 53 Ohms +/- 15% | 53Ohm | 200Hz to 15kHz | ±1dB | 20.83mm (0.820") | 8 Ohms | - | 0.5dB | - | Pc Pin | 26.92mm (1.060") | - | - | Through Hole | - | 1000mW | 1000mW | - | - | - | - | PC Pin | Economical Open Type | - | - | 20.83mm (0.820") | - | |
|
Triad Magnetics
|
10
|
$3.00
|
- | - | - | - | 72.0 Ohm | 300Hz ~ 100kHz | ±2.0 DB, at 300 Hz to 100K Hz | 11.80mm (0.465") | 600 Ohm Center Tap | - | - | - | - | 10.41mm (0.410") | - | - | Through Hole | -40°C ~ 85°C | - | 50mW | - | - | -40°C ~ 85°C | No | PC Pin | Audio Coupling | 1:1 | 1,000 VRMS for 1 Second | 7.87mm (0.310") | - | |
|
Tamura
|
8
|
$3.00
|
- | - | - | - | 60 Ohm | 300Hz ~ 100kHz | ±2dB | 11.80mm (0.465") | 600CT | - | - | - | - | 10.40mm (0.409") | - | - | Through Hole | -20°C ~ 85°C | - | 50mW | - | - | - | No | PC Pin | Data/Voice Coupling | 8.66:1 | 1000VRMS @ 30 Seconds | 7.87mm (0.310") | - | |
Pulse Electronics
|
8
|
$3.00
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Triad Magnetics
|
4
|
$3.00
|
No | - | No | 168 Ohm | 168Ohm | 300Hz ~ 100kHz | ±2dB | 11.80mm (0.465") | 1500 Ohm | No | - | - | - | 10.41mm (0.410") | No | No | Through Hole | -40°C ~ 85°C | - | 50mW | - | - | -40°C ~ 85°C | No | PC Pin | Audio Coupling | 1.58:1 | 1000VRMS @ 1 Second | 7.87mm (0.310") | 150VDC | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 100k | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 8:1 | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 10k | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:2 | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 150 | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:2 | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 50 | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:5:5 | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 600, 150/150 | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:2 | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 30 | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:45 | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Hammond Manufacturing
|
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Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 4 | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:122 | - | - | - | |
|
Hammond Manufacturing
|
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- | - | - | - | 6Ohm | 20Hz ~ 20kHz | ±0.5dB | 1.650" (41.91mm) | 48, 12/12 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | 250VAC @ 1 Sec | - | - | |
|
Hammond Manufacturing
|
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- | - | - | - | 69Ohm | 20Hz ~ 20kHz | ±0.5dB | 1.650" (41.91mm) | 600, 150/150 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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on Request |
- | - | - | - | 65Ohm | 20Hz ~ 20kHz | - | 1.650" (41.91mm) | 600, 150/150 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
on Request |
- | - | - | - | 70Ohm | 20Hz ~ 20kHz | ±0.5dB | 1.650" (41.91mm) | 600, 150/150 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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Price and Stock
on Request |
- | - | - | - | 27Ohm | 20Hz ~ 20kHz | ±0.5dB | 1.650" (41.91mm) | 200, 50/50 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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- | - | - | - | 71Ohm | 20Hz ~ 20kHz | ±0.5dB | 1.650" (41.91mm) | 600, 150/150 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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Price and Stock
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- | - | - | - | 2.24kOhm | 20Hz ~ 20kHz | - | 1.650" (41.91mm) | 20k, 5k/5k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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on Request |
- | - | - | - | 4.89kOhm | 20Hz ~ 20kHz | - | 1.650" (41.91mm) | 40k, 10k/10k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.700" L x 1.200" W (43.18mm x 30.48mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 200, 50/50 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 20k, 5k/5k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | 1:4 | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 20k, 5k/5k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | 1:2 | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 30, 7.5/7.5 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 200, 50/50 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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- | - | - | - | 3.11Ohm | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 500, 125/125 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | 750V | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 500, 125/125 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 200, 50/50 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 200, 50/50 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 40k, 10k/10k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | 1:1 | - | - | - | |
|
Hammond Manufacturing
|
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Price and Stock
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- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 20k, 5k/5k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 20dB Max | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 40k, 10k/10k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 20dB Max | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 20k, 5k/5k | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 20dB Max | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
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- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 600, 150/150 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | 70Hz ~ 11kHz | ±1dB | 1.000" (25.40mm) | 50 | - | - | - | - | - | - | - | Chassis Mount | - | - | - | - | 1.250" Dia (31.75mm) | - | - | Wire Leads | Shielded | 1:34:5 | - | - | - | |
|
Hammond Manufacturing
|
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Price on request
Price and Stock
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- | - | - | - | - | 50Hz ~ 15kHz | ±0.5dB | 2.559" (65.00mm) | 30, 7.5/7.5 | - | 1dB | - | - | - | - | - | Chassis Mount | - | - | 15dB | - | 1.752" L x 1.252" W (44.50mm x 31.80mm) | - | - | Solder Lug | Broadcast Quality | - | - | - | - | |
|
Hammond Manufacturing
|
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- | - | - | - | 66.16Ohm, 74.93Ohm | 30Hz ~ 30kHz | ±1dB | 3.060" (77.72mm) | 6.6kCT | - | - | - | - | - | - | - | Chassis Mount | - | - | 20W | - | 3.500" L x 2.500" W (88.90mm x 63.50mm) | - | - | Wire Leads | Push-Pull Audiophile, Ultra-Linear - Tube Output | - | 2000V @ 1 Second | - | - | |
|
Tamura
|
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- | CSA-C22.2 No. 950-M89, UL1459, UL1950 | - | - | 127Ohm | 300Hz ~ 3.5kHz | -0.35dB ~ 0.15dB | 0.164" (4.16mm) | 600 | - | 2.7dB @ 1kHz | - | - | - | - | - | Surface Mount | - | - | 10mW | 25dB Min @ 300Hz ~ 3.5kHz | 0.330" L x 0.402" W (8.38mm x 10.20mm) | - | - | Gull Wing | Data/Voice Coupling | 1:1 | 1000VRMS @ 1 Minute | - | - | |
|
Tamura
|
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- | CSA-C22.2 No. 950-M89, UL1459, UL1950 | - | - | 127Ohm | 300Hz ~ 3.5kHz | -0.35dB ~ 0.15dB | 0.164" (4.16mm) | 600 | - | 2.7dB @ 1kHz | - | - | - | - | - | Surface Mount | - | - | 10mW | 25dB Min @ 300Hz ~ 3.5kHz | 0.330" L x 0.402" W (8.38mm x 10.20mm) | - | - | Gull Wing | Data/Voice Coupling | 1:1 | 1000VRMS @ 1 Minute | - | - | |
|
Tamura
|
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Price and Stock
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- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Through Hole | - | - | - | - | - | - | - | PC Pin | Data/Voice Coupling | - | - | - | - | |
|
Tamura
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Tamura
|
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Price on request
Price and Stock
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- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
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Tamura
|
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- | CSA-C22.2 No. 66-M1988, UL1459 | - | - | 57Ohm | 300Hz ~ 3.5kHz | ±0.5dB | 0.752" (19.10mm) | 600 | - | 1.2dB Max @ 1kHz | - | - | - | - | - | Through Hole | - | - | 7dB | - | 0.799" L x 0.689" W (20.30mm x 17.50mm) | - | - | PC Pin | Data/Voice Coupling | 1:0.736 | 1500VRMS @ 1 Minute | - | - | |
|
Tamura
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- | CSA-C22.2 No. 66-M1988, UL1862 | - | - | 71Ohm | 660Hz ~ 3.5kHz | -1dB ~ 0.7dB | 0.630" (16.00mm) | 600 | - | 3dB Max @ 660Hz ~ 800Hz, 2.5dB Max @ 800Hz @ 3.5kHz | - | - | - | - | - | Through Hole | - | - | -45dB ~ 10dB | - | 0.823" L x 0.752" W (20.90mm x 19.10mm) | - | - | PC Pin | Data/Voice Coupling | 1:1 | 1500VRMS @ 1 Minute | - | - | |
|
Tamura
|
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- | CSA-C22.2 No. 66-M1988, UL1863 | - | - | 49Ohm | 660Hz ~ 3.5kHz | -1.8dB ~ 0.5dB | 0.346" (8.80mm) | 600 | - | 1.8dB Max @ 2kHz | - | - | - | - | - | Through Hole | - | - | -45dB ~ 7dB | - | 0.839" L x 0.760" W (21.30mm x 19.30mm) | - | - | PC Pin | Data/Voice Coupling | 1:1 | 1500VRMS @ 1 Minute | - | - |
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