Oxford Electrical Products Ltd
audio transformers (high performance)
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PCB MOUNTING MINIATURE
A range of high quality, industry standard, audio frequency transformers, enclosed in ABS
cases.
Specifically designed for direct printed circuit board mounting on a 0.1 inch grid.
Each transformer is constructed with dual windings on the primary and secondary providing a
wide range of impedance matching ratios to suit many input, interstage and output
applications.
A foil screen is provided between the primary and secondary windings and the transformers
are rated at 100mW at 300 Hz and 1mW at 30 Hz (less than 1% T.H.D.)
An optional Mu-metal screening can, is available if required. P/N A262CAN)
Transformer W28 H22 D23mm
Ratio
Part No.
Impedance
Individual windings
Series Connected
Parallel Connected
d c Resistance
Frequency Range
(+1.5db)
Proof test voltage :
primary to secondary
and windings to
screen
Mumetal Can W29 H23 D24mm
6.3+6.3:1+1
PRI
SEC
A262A1E
1+1:2+2
PRI
SEC
A262A2E
1+1:6.45+6.45
PRI
SEC
A262A3E
150
150+
150+
3.75+
150
600
3.75
C.T.
15
C.T.
600+
150
600
600
C.T.
2.4k
6.25+
150
C.T.
600
6.25k
C.T.
25k
C.T.
150
3.75
150
600
150
6.25
10+10
0.36+0.36
10+10
55+55
9.6+9.6
535+605
30Hz - 30kHz
30Hz - 35kHz
30Hz - 25kHz
1 kV
1 kV
1 kV
Ratio
Part No.
Impedance
Individual windings
Series Connected
Parallel Connected
d c Resistance
Frequency Range
(+1.5db)
Proof test voltage :
primary to secondary
and windings to
screen
1+1:1+1
PRI
SEC
A262A6E
1+1:1+1
PRI
SEC
A262A7E
150+
600+
150+
150
600
150
C.T.
600
600+
600
C.T.
2.4k
600
C.T.
2.4k
C.T.
150
150
600
600
15+15
20+20
42+42
58+58
30Hz - 30kHz
30Hz - 35kHz
1 kV
1 kV
This range of
transformers is also
available with the Mu
metal screening can
fitted and may be
ordered by replacing
the suffix 'E' with the
suffix 'C'