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.
12
3
MET-39-T
SEC.
4
50 MW
.200
.300
TAB, AT PIN #1
3 MADC
500 OHMS 50 OHMS
MET-39-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
50 500Ω 50Ω 3.0 55 8 3.16:1.0
Frequency Response: + 2.0 dB, at 300 Hz to 100 KHz (1 KHz Ref.)
Longitudinal Balance: 60dB Min @ 1 KHz
Pri-Sec Hipot test (Pri-Sec): 500 VRM S 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.
500 OHM
1
2
4
3
50 OHM
50 MW
PRI Z
SEC Z
