Audio Coupling
Miniature Encapsulated Transformer
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757 460 Harley Knox Blvd.
Perris, California 92571 Publish Date: December 4, 2013
.200 .100
.750
MIN.
.020
.465
MAX.
.310
MAX.
.410
MAX.
PRI.
2.5K C.T.
12
3
MET-22-T
TF5S21ZZ
SEC.
456
40 MW
.200
.300
TAB, AT PIN #1
1 MADC
2.5K C.T.
MET-22-T
Description:
Triad’s high reliability audio transformers provide the durability and precision required
in today’s demandin g designs. These transformers are available for a wide variety of
applications.
Electrical Specifications (@20C)
Power
level
(mW)
Matching Impedance Max. Ma DC
Unbalance
in Primary
DC Resistance (Ω) Overall
Turns
Ratio
Primary Secondary Primary Secondary
*40 2.5KΩ CT 2.5 KΩ CT 1.0 280 350 1:1
Frequency Response: + 2.0 DB, at 300 Hz to 100K Hz (1 KHz Ref.)
Longitudinal Balance: 60dB Min @ 1 KHz
*Max power at 300Hz
Pri-Sec Hipot test (Pri-Sec): 1000 VRMS for 1 sec.
Construction:
Plug-in terminals are precision spaced to provide fixed mounting centers.
Epoxy molded case includes a .020 ” recess for ease of solder inspection.
Leads are Tin plated 0.020” in diameter.
RoHS Compliance: As of manufacturing date February 2005, all standard products meet
the requirements of 2011/65/EU, known as the RoHS initiative.
*Upon printing, this document is considered “uncontrolled”. Specifications are subjected to
change without notice. Please contact Triad Magnetics’ website for the most current version.
2.5K OHM
1
2
3
6
5
4
CT 1K OHM
CT
30 MW
PRI Z SEC Z
