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TAMURA CORPORATION
43352 Business Park Drive. | P.O. Box 892230 Temecula, CA 92589-2230 | www.tamuracorp.com
USA
Tel: 800-472-6624
Fax: 951-676-9482
Japan
Tel: 81 (0)3 3978-2111
Fax: 81 (0)3 3923-0230
United Kingdom
Tel: 44 (0) 1380 731 700
Fax: 44 (0) 1380 731 702
Hong Kong
Tel: 852-2389-4321
Fax: 852-2341-9689
Ultra Wideband Audio Transformers
• Highest Density Package Available
• Optimized for Audio Impedance
• Frequency Range: 300Hz - 100KHz
• HiPot: Most parts meet 1KVrms (Pri:Sec)
www.tamuracorp.com
Telecom Transformers
1 Meets FCC Parts 68 (Hi-Pot 1.5KV or 1.0KV)
Schematic
Fig.
DCR
(Sec. Ω)
DCR
(Pri. Ω)
Freq.
Response
(dB)
Max. Pwr.
Level
(mW)
UnBalance
Current
(mA)
Turns Ratio
(Pri:Sec)
Impedance
(Sec. Ω)
Impedance
(Pri. Ω)
Tamura Part #
MET-01 200K CT 1K CT 14.1CT:1CT 0.0 10.0 +/-2 5300 120 1
MET-05 25K CT 1K CT 5CT:1CT 0.5 30.0 +/-2 1600 95 1
MET-09 10K CT 10K CT 1CT:1CT 1 40.0 +/-2 1000 1300 1
MET-11 10K CT 2K CT 2.23CT:1CT 1.0 40.0 +/-2 1000 300 1
MET-17 10K CT 500 CT 4.47CT:1CT 1.0 40.0 +/-2 1000 80 1
MET-23 1.6K CT 3.2 22.4CT:1 2.5 65.0 +/-3 186 0.8 3
MET-24 1.5K CT 600 1.58CT:1 3 50.0 +/-2 160 95 3
MET-28 1K 50 4.47:1 3.0 50.0 +/-2 110 8 4
MET-311 600 CT 600 CT 1CT:1CT 3 50.0 +/-2 70 95 1
MET-32 600 150/150 2:1:1 3 50.0 +/-2 70 95
2
MET-35 600 CT 8 8.66CT:1 4.5 50.0 +/-2 60 1.5 3
MET-39 500 50 3.16:1 3.0 50.0 +/-2 55 8 4
MET-42 150 12 3.54:1 10.0 50.0 +/-2 20 2.5 4
MET-461 600 600 1:1 3 50.0 +/-2 72 93 4
MET-50 10K 125 8.62:1 0.0 10.0 +/-3 1100 28 4
MET-59 600 150/150 1:1CT 3.0 50.0 +/-2 70 95 2
MET-60 135 135 CT 1:1CT 10 50.0 +/-2 10 10 5
METC-99 Optional Metal Shield
Schematics
Mechanical Dimensions mm (inches)
All dimensions are typical. Please contact Tamura for tolerances and suggested layout information.
123 4 5
