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Triad's high reliability audio transformers provide the durability and precision required in today's demanding designs. These Mil-T-27E Red Spec transformers are available for a wide variety of applications including Mil-Aero, Medical and Pro Audio.
Miniature Impedance Matching Transformers - Red Spec
Unit of Measure
1 2 

Item #

Frequency Response Range

Mil Type Number

Maximum Input Level

Matching Impedance (Primary)

Features

SP-4 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 10 mW N/A 200000 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-5 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 25 mW N/A 50000 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-13 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 40 mW N/A 20000 ohm Center Tap 25000 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-20 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-21 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-22 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-29 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-32 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 500 Ohm N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-33 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 1000 Ohm N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-36 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A N/A 50 mW N/A 10000 Ohm N/A
SP-42 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 150 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-48 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 7500 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-49 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 300 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-50 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 500 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-51 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 900 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-52 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 1500 ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-65 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A N/A 50 mW N/A 8000 Ohm Center Tap 10000 Ohm Center Tap (Alternately) N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-66 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-66-1 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-67 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 600 Ohm Center Tap N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-68 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 10000 Ohm N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-69 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 600 Ohm N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-70 N/A ±3.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A 50 mW N/A 600 Ohm N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
SP-74 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A N/A 50 mW N/A 80 Ohm N/A
SP-128 N/A ±2.0 DB, at 300 Hz to 100K Hz N/A TF5S21ZZ N/A N/A N/A Epoxy Molded Case
Exceptional Operation from 300 Hz to 100 kHz
Gold Plated Leads
Unit of Measure
1 2