Ultra Wideband Audio Transformers
www.tamuracorp.com
• Highest Density Package Available
• Optimized for Audio Impedance
• Frequency Range: 300Hz - 100KHz
• HiPot: Most parts meet 1KVrms (Pri:Sec)
Max. Pwr.
Level
(mW)
Freq.
Response
(dB)
UnBalance
Current
(mA)
Impedance
(Pri. Ω)
Impedance Turns Ratio
Schematic
Fig.
DCR
(Pri. Ω)
DCR
(Sec. Ω)
Tamura Part #
(Sec. Ω)
(Pri:Sec)
MET-01
MET-05
MET-09
MET-11
MET-17
MET-23
MET-24
MET-28
200K CT
25K CT
10K CT
10K CT
10K CT
1.6K CT
1.5K CT
1K
1K CT
1K CT
10K CT
2K CT
500 CT
3.2
14.1CT:1CT
5CT:1CT
1CT:1CT
2.23CT:1CT
4.47CT:1CT
22.4CT:1
1.58CT:1
4.47:1
0.0
0.5
1
10.0
30.0
40.0
40.0
40.0
65.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
10.0
50.0
50.0
+/-2
+/-2
+/-2
+/-2
+/-2
+/-3
+/-2
+/-2
+/-2
+/-2
+/-2
+/-2
+/-2
+/-2
+/-3
+/-2
+/-2
5300
1600
1000
1000
1000
186
160
110
70
120
95
1
1
1
1
1
3
3
4
1
2
1300
300
80
1.0
1.0
2.5
3
0.8
95
600
50
3.0
3
8
1
MET-31
600 CT
600
600 CT
150/150
8
1CT:1CT
2:1:1
95
MET-32
MET-35
MET-39
MET-42
3
70
95
600 CT
500
8.66CT:1
3.16:1
4.5
3.0
10.0
3
60
1.5
8
3
4
4
4
4
2
5
50
55
150
12
3.54:1
20
2.5
93
1
MET-46
600
600
1:1
72
MET-50
MET-59
MET-60
METC-99
10K
125
8.62:1
0.0
3.0
10
1100
70
28
600
150/150
135 CT
1:1CT
95
135
1:1CT
10
10
Optional Metal Shield
1
Meets FCC Parts 68 (Hi- Pot 1.5KV or 1.0KV)
Mechanical Dimensions mm (inches)
All dimensions are typical. Please contact Tamura for tolerances and suggested layout information.
Schematics
1
2
3
4
5
TAMURA CORPORATION
43352 Business Park Drive. | P.O. Box 892230 Temecula, CA 92589-2230 | www.tamuracorp.com
USA
Japan
United Kingdom
Tel: 44 (0) 1380 731 700
Fax: 44 (0) 1380 731 702
Hong Kong
Tel: 852-2389-4321
Fax: 852-2341-9689
Tel: 800-472-6624
Fax: 951-676-9482
Tel: 81 (0)3 3978-2111
Fax: 81 (0)3 3923-0230
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