Triad Magnetics
Triad Magnetics
460 Harley Knox Blvd
Perris, CA 92571
Tel: 951.277.0757
Fax: 951.277.2757
Email: info@triadmagnetics.com
Website: www.triadmagnetics.com
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This TY-251P operates in the 30 Hz to 30,000 Hz range, making it suitable for a broad application spectrum in the audio industry. The TY-251P is used in line matching, telephone coupling, pulse trigger, driver, interstage, and isolation input and output applications.
Unit of Measure

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 N/A

Electrical Specifications at 25 Degree Celsius (ºC) Temperature

Primary Impedance

 N/A 1000 Ohm

Secondary Impedance

 N/A 250 Ohm1000 Ohm

Overall Turns Ratio

 N/A 1:1 (tie 6&7) 2:1 (tie 5 to 6, 7 to 8)

Power Level

 N/A 20 mW

Primary DC Unbalance

 N/A 4 mA

Max DCR 2-4

 N/A 181.5 Ohm

Max DCR 5-7

 N/A 88 Ohm

Max DCR 6-8

 N/A 88 Ohm

Insertion Loss at 1kHz

 N/A < 2.8 dB

Specifications

Frequency Response Range

 N/A 30 to 30000 Hz

Output Power

 N/A 20 mW

Transformer Contact Type

 N/A Center Tap

Typical Frequency Range

 N/A 30 Hz to 30KHz

Typical Gain

 N/A 0.01 dB

Typical Distortion (Total Harmonic Distortion (THD) + N%)

 N/A
  1. 0.013% at 1 kHz, +10 dBu input, Rs = 1 kO, RL = 1 kO.
  2. 0.018% at 1 kHz, 0 dBu input, Rs = 1 kO, RL = 1 kO.
  3. 0.023% at 1 kHz, -10 dBu input, Rs = 1 kO, RL = 1 kO.

Maximum Input Level

 N/A 20 mW

Typical Frequency Response (1 Kilohertz (kHz) Reference)

 N/A ±1 dB at 30 Hz to 30 kHz

Typical Phase Shift at 30 Hertz (Hz) Frequency

 N/A +3.97° at referenced to source generator, Rs = 1 kO, RL = 1 kO

Typical Inductance (H)

 N/A 15 to 35 H at 4 Vat 60 Hz 2-4

Typical Dielectric Test

 N/A 1500V (Primary to Secondary)

Typical Temperature Rating

 N/A -40ºC to 105ºC at Operation & Storage Condition

Typical Weight

 N/A 13.2 g

Schematic

 N/A
Audio Transformer PC Mount (TY-251P) Schematic

Typical Maximum Input Level (30 Hertz (Hz) Frequency)

 N/A >+15 dBu at 2% THD+N, Rs=1kO, RL = 1kO dBu

Typical Phase Shift at 30 kHz Frequency

 N/A +0.024° at referenced to source generator, Rs = 1 kO, RL = 1 kO

Common Mode Rejection Ratio (CMRR)

 N/A -80 at 1 kHz -82.6 at 60 Hz

Mounting Type

 N/A PC Mount

Applications

N/A Driver Interstage Isolation Input Isolation Output Line Matching Pulse Trigger Telephone Coupling

Note

N/A

Upon printing, this document is considered “uncontrolled”. Please contact Triad
Magnetics website for the most current version. For soldering and washing information
please see http://www.triadmagnetics.com/faq.html

SnapMagic

N/A

RoHS Compliance

N/A

As of manufacturing date February 2016, all standard products meet the requirements of 2015/863/EU, known as the RoHS 3 initiative.