Audio Transformers:

2 Ohm to 40K Ohm; 400Hz to 100KHz; 400 milliwatt at 1KHz

SURFACE MOUNT
PICO surface mount units utilize materials and methods to withstand extreme temperatures of vapor phase, I.R., and other reflow procedures without degradation of electrical or mechanical characteristics.

Specifications

  • MIL-PRF-27: All units manufactured to MIL-PRF-27, Grade 5, Class S. 
  • FREQUENCY RESPONSE: ± 3db, 400 Hz-100 KHz at 1.0 Milliwatt. 
  • MAXIMUM DISTORTION: 5% with rated power level at 1 KHz and 400 Hz. 
  • DIELECTRIC STRENGTH: All units tested at 200 V RMS. 
  • INSULATION RESISTANCE: Greater than 10,000 Megohms at 300 V DC. 
  • WEIGHT: 3 Grams 
  • TERMINALS: Solderability per MIL-STD-202, Method 208. 
  • THERMAL SHOCK: 25 Cycles, Method 107, MIL-STD-202, Test Condition -55º C to +130º C.
  • MOISTURE SENSITIVITY LEVEL: MSL3

Bottom View
Larger size schematic

Bottom View
Larger size schematic


 

Audio Transformers: 2 Ohm to 40K Ohm; 400Hz to 100KHz; 400 milliwatt at 1KHz

Gull
Wing
PICO
Part
Number
J
Lead
PICO
Part
Number
Primary
Imped
Ohms
Secondary
Impedence
Ohms
Split
Windings
Power
Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns/Ratio
Prim/Sec
Pico
Prices
1-9**

(US $)
SER
PAR
1KHz
and
higher
400Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
71003
71005

71010

71015

71020
81003
81005

81010

81015

81020
10ct
20ct

20ct

32ct

40ct
10ct
8ct

20ct

32ct

40ct
2.5
2

5

8

10
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
31.6
22.3

22.3

17.6

15.8
1.1
2.2

2.2

3.5

4
1.3
1

2.6

4.2

4.5
.33
.25

.65

1.05

1.2
1:1
1.58:1

1:1

1:1

1:1
2:1
3.16:1

2:1

2:1

2:1
48.44
48.44
48.44
48.44
48.44
71025
71030

71035

71040

71045
81025
81030

81035

81040

81045
48ct
50ct

80ct

100ct

100ct
16ct
50ct

32ct

40ct

100ct
4
12.5

8

10

25
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
14.4
14.1

11.1

10

10
5.3
5.6

8

10

10
1.9
6.5

4

4.5

12
.48
1.6

1

1.2

3
1.73:1
1.1

1.58:1

1.58:1

1:1
3.46:1
2:1

3.16:1

3.16:1

2:1
51.40
51.40
61.02
51.40
46.23
Gull
Wing
PICO
Part
Number
J
Lead
PICO
Part
Number
Primary
Imped
Ohms
Secondary
Impedence
Ohms
Split
Windings
Power
Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns/Ratio
Prim/Sec

Pico
Prices
1-9**

(US $)

SER
PAR
1KHz
and
higher
400Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
71050
71055

71060

71065

71070
81050
81055

81060

81065

81070
120ct
120ct

120ct

150ct

150ct
12.8ct
60ct

120ct

12ct

50ct
3.2
15

30

3

12.5
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
9.1
9.1

9.1

8.2

8.2
12
12

12

15

15
1.5
7.2

14.5

1.5

6
.38
1.8

3.6

.38

1.5
3.06:1
1.41:1

1:1

3.54:1

1.73:1
6.12:1
2.83:1

2:1

7.08:1

3.46:1
46.23
61.02
61.02
46.23
51.40
71075
71080

71085

71090

71095
81075
81080

81085

81090

81095
150ct
150ct

150ct

200ct

300ct
100ct
150ct

600ct

200ct

12ct
25
37.5

150

50

3
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
8.2
8.2

8.2

7

5.8
15
15

15

20

30
12
16.8

70

24

1.5
3
4.2

17.5

6

.38
1.22:1
1:1

1:2

1:1

5:1
2.45:1
2:1

1:1

2:1

10:1
51.40
61.02
51.40
51.40
46.23
71100
71105

71110

71115

71120
81100
81105

81110

81115

81120
300ct
300ct

300ct

300ct

320ct
50ct
150ct

300ct

600ct

12.8ct
12.5
37.5

75

150

3.2
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
5.8
5.8

5.8

5.8

5.6
30
30

30

30

32
6
18

36

72

1.5
1.5
4.5

9

18

.38
2.45:1
1.41:1

1:1

1:1.41

5:1
4.9:1
2.83:1

2:1

1.41:1

10:1
51.40
51.40
61.02
46.23
46.23
71125
71130

71135

71140

71145
81125
81130

81135

81140

81145
400ct
400ct

400ct

400ct

400ct
40ct
120ct

200ct

400ct

1000ct
10
30

50

100

250
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
5
5

5

5

5
40
40

40

40

40
4.5
14

24

48

120
1.1
3.5

6

12

30
3.16:1
1.83:1

1.41:1

1:1

1:1.58
6.32:1
3.65:1

2.83:1

2:1

1.26:1
61.02
61.02
51.40
61.02
70.02
71150
71155

71160

71165

71170
81150
81155

81160

81165

81170
400ct
400ct

500ct

500ct

500ct
2000ct
4000ct

12.8ct

16ct

50ct
500
1000

3.2

4

12.5
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
5
5

4.5

4.5

4.5
40
40

50

50

50
240
480

1.5

2

6
60
120

.38

.5

1.5
1:2.24
1:3.16

6.25:1

5.6:1

3.16:1
1:1.12
1:1.58

12.5:1

11.2:1

6.32:1
70.02
63.22
53.59
53.59
53.59
71175
71180

71185

71190

71195
81175
81180

81185

81190

81195
500ct
500ct

*500ct

500ct

600ct
150ct
500ct

500ct

600ct

12.8ct
37.5
125

-

150

3.2
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
4.5
4.5

4.5

4.5

4.1
50
50

50

50

60
16
60

60

72

1.5
4.5
15

-

18

.38
1.83:1
1:1

1:1

1:1.1

6.85:1
3.65:1
2:1

-

1.83:1

13.7:1
53.59
53.59
53.59
53.59
46.23
71200
71205

71210

71215

71220
81200
81205

81210

81215

81220
600ct
600ct

600ct

600ct

*600ct
30ct
48ct

200ct

600ct

600ct
7.5
12

50

150

-
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
4.1
4.1

4.1

4.1

4.1
60
60

60

60

60
3.6
5.8

24

72

72
.9
1.45

6

18

-
4.47:1
3.54:1

1.73:1

1:1

1:1
8.94:1
7.07:1

3.46:1

2:1

-
48.44
48.44
48.44
48.44
53.59
71225
71230

71235

71240

71245
81225
81230

81235

81240

81245
600ct
640ct

700ct

800ct

800ct
1200ct
12.8ct

100ct

12.8ct

48ct
300
3.2

25

3.2

12
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
4.1
3.9

3.8

3.5

3.5
60
64

70

80

80
144
1.5

12

1.5

5.8
36
.38

3

.38

1.45
1:1.41
7.07:1

2.65:1

7.9:1

4.08:1
1.41:1
14.4:1

5.29:1

15.8:1

8.16:1
48.44
48.44
48.44
48.44
72.30
71250
71255

71260

71265

71270
81250
81255

81260

81265

81270
800ct
900ct

1000ct

1000ct

1000ct
800ct
600ct

12ct

50ct

1000ct
200
150

3

12.5

250
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
3.5
3.3

3.2

3.2

3.2
80
90

100

100

100
96
72

1.5

6

120
24
18

0.38

1.5

30
1:1
1.22:1

9.13:1

4.47:1

1:1
2:1
2.45:1

18.3:1

8.94:1

2:1
48.44
48.44
48.44
53.59
53.59
71275
71280

71285

71290

71295
81275
81280

81285

81290

81295
1060ct
1200ct

1200ct

1200ct

*1200ct
12.8ct
12.8ct

500ct

1200ct

1200ct
3.2
3.2

125

300

-
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
3.1
2.9

2.9

2.9

2.9
106
120

120

120

120
1.5
1.5

60

140

140
.38
.38

15

35

-
9.1:1
9.68:1

1.55:1

1:1

1:1
18.2:1
19.4:1

3.1:1

2:1

-
48.44
43.64
43.64
43.64
59.65
71300
71305

71310

71315

71320
81300
81305

81310

81315

81320
1500ct
1500ct

*1500ct

*1500ct

1600ct
12ct
500ct

600ct

1500ct

12.8ct
3
125

-

-

3.2
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
2.6
2.6

2.6

2.6

2.5
150
150

150

150

160
1.5
60

72

180

1.5
.38
15

-

-

.38
11.2:1
1.73:1

1.58:1

1:1

11.2:1
22.4:1
3.46:1

-

-

22.4:1
48.44
53.57
53.59
53.59
48.44
Gull
Wing
PICO
Part
Number
J
Lead
PICO
Part
Number
Primary
Imped
Ohms
Secondary
Impedence
Ohms
Split
Windings
Power
Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns/Ratio
Prim/Sec

Pico
Prices
1-9**

(US $)

SER
PAR
1KHz
and
higher
400Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
71325
71330

71335

71340

71345
81325
81330

81335

81340

81345
2000ct
2000ct

*2000ct

2000ct

2500ct
8ct
2000ct

2000ct

8000ct

2500ct
2
500

-

2000

625
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
2.2
2.2

2.2

2.2

2
200
200

200

200

250
1
240

240

960

300
.25
60

-

240

75
15.8:1
1:1

1:1

1:2

1:1
31.6:1
2:1

-

1:1

2:1
63.22
63.22
70.02
63.22
63.22
71350
71355

71360

71365

71370
81350
81355

81360

81365

81370
3000ct
*3000ct

3600ct

4000ct

4000ct
3000ct
3000ct

3600ct

16ct

600ct
725
-

900

4

150
.4
.4

.4

.4

.4
.075
.075

.075

.075

.075
1.8
1.8

1.7

1.6

1.6
300
300

360

400

400
360
360

432

1.9

72
90
-

108

.47

18
1:1
1:1

1:1

15.8:1

2.58:1
2:1
-

2:1

31.6:1

5.16:1
51.44
70.02
51.44
63.22
63.22
71375
71380

71385

71390

71395
81375
81380

81385

81390

81395
4000ct
*4000ct

5000ct

5000ct

7500ct
1000ct
8000ct

500ct

5000ct

50ct
250
-

125

1250

12.5
.4
.4

.4

.4

.33
.075
.075

.075

.075

.075
1.6
1.6

1.4

1.4

1.2
400
400

500

500

750
120
960

60

600

6
30
-

15

150

1.5
2:1
1:1.41

3.16:1

1:1

12.2:1
4:1
-

6.32:1

2:1

24.5:1
70.02
70.02
53.59
53.59
53.59
71400
71405

71410

71415

71420
81400
81405

81410

81415

81420
7500ct
7500ct

7500ct

*7500ct

8000ct
100ct
600ct

2500ct

7500ct

12.8ct
25
150

625

-

3.2
.33
.33

.33

.33

.3
.075
.075

.075

.075

.075
1.2
1.2

1.2

1.2

1.1
750
750

750

750

800
12
72

300

900

1.5
3
18

75

-

.38
8.66:1
3.54:1

1.73:1

1:1

25:1
17.3:1
7.07

3.46:1

-

50:1
53.59
59.65
59.65
70.02
53.59
71425
71430

71435

71440

71445
81425
81430

81435

81440

81445
8000ct
*8000ct

*9000ct

10,000ct

10,000ct
1000ct
1200ct

9000ct

12.8ct

16ct
250
-

-

3.2

4
.3
.3

.27

.25

.25
.075
.075

.075

.075

.075
1.1
1.1

1.1

1.0

1.0
800
800

900

1000

1000
120
144

1080

1.5

1.92
30
-

-

.38

.48
2.83:1
2.58:1

1:1

28:1

25:1
5.66:1
-

-

56:1

50:1
59.65
70.02
70.02
48.44
48.44
71450
71455

71460

71465

71470
81450
81455

81460

81465

81470
10,000ct
10,000ct

10,000ct

10,000ct

10,000ct
100ct
200ct

500ct

600ct

1000ct
25
50

125

150

250
.25
.25

.25

.25

.25
.075
.075

.075

.075

.075
1.0
1.0

1.0

1.0

1.0
1000
1000

1000

1000

1000
12
24

60

72

120
3
6

15

18

30
10:1
7.07:1

4.47:1

4.08:1

3.16:1
20:1
14.14:1

8.94:1

8.16:1

6.32:1
53.59
53.59
53.59
53.59
53.59
71475
71480

71485

71490

71495
81475
81480

81485

81490

81495
10,000ct
10,000ct

10,000ct

10,000ct

10,000ct
1200ct
1500ct

2000ct

5000ct

7500ct
300
375

500

1250

1875
.25
.25

.25

.25

.25
.075
.075

.075

.075

.075
1.0
1.0

1.0

1.0

1.0
1000
1000

1000

1000

1000
144
180

240

600

900
36
45

60

150

225
2.89:1
2.58:1

2.24:1

1.41:1

1.15:1
5.77:1
5.16:1

4.47:1

2.83:1

2.3:1
63.22
63.22
61.96
63.02
63.22
71500
71505

71510

71515

71520
81500
81505

81510

81515

81520
10,000ct
*10,000ct

15,000ct

15,000ct

15,000ct
10,000ct
10,000ct

400ct

500ct

600ct
2500
-

100

125

150
.25
.25

.16

.16

.16
.075
.075

.075

.075

.075
1.0
1.0

.82

.82

.82
1000
1000

1500

1500

1500
1200
1200

48

60

72
300
-

12

15

18
1:1
1:1

6.12:1

5.48:1

5:1
2:1
-

12.24:1

10.95:1

10:1
60.95
70.02
60.95
60.95
60.95
71525
71530

71535

71540

71545
81525
81530

81535

81540

81545
15,000ct
*15,000ct

15,000ct

16,000ct

20,000ct
10,000ct
15,000ct

15,000ct

1000ct

500ct
2500
-

3750

250

125
.16
.16

.16

.15

.125
.075
.075

.075

.075

.075
.82
.82

.82

.8

.7
1500
1500

1500

1600

2000
1200
1800

1800

120

60
300
-

450

30

15
1.22:1
1:1

1:1

4:1

6.33:1
2.45:1
-

2:1

8:1

12.65:1
60.95
70.02
63.22
63.22
58.36
71550
71555

71560

71565

71570
81550
81555

81560

81565

81570
20,000ct
20,000ct

20,000ct

20,000ct

20,000ct
600ct
800ct

1000ct

5000ct

10,000ct
150
200

250

1250

2500
.125
.125

.125

.125

.125
.075
.075

.075

.075

.075
.7
.7

.7

.7

.7
2000
2000

2000

2000

2000
72
96

120

600

1200
18
24

30

150

300
5.77:1
5:1

4.47:1

2:1

1.41:1
11.55:1
10:1

8.94:1

4:1

2.83:1
58.36
55.78
70.02
60.95
60.95
Gull
Wing
PICO
Part
Number
J
Lead
PICO
Part
Number
Primary
Imped
Ohms
Secondary
Impedence
Ohms
Split
Windings
Power
Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns/Ratio
Prim/Sec

Pico
Prices
1-9**

(US $)

SER
PAR
1KHz
and
higher
400Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
71575
71580

71585

71590

71595
81575
81580

81585

81590

81595
*20,000ct
25,000ct

25,000ct

30,000ct

30,000ct
20,000ct
500ct

1000ct

50ct

1200ct
-
125

250

12.5

300
.125
.1

.1

.083

.083
.075
.075

.075

.075

.075
.7
.63

.63

.58

.58
2000
2500

2500

3000

3000
2400
60

120

6

144
-
15

30

1.5

36
1:1
7.07:1

5:1

24.5:1

5:1
-
14.14:1

10:1

49:1

10:1
70.02
63.22
63.22
63.22
63.22
71600
71605

71610

71615

71620

71625
81600
81605

81610

81615

81620

81625
30,000ct
30,000ct

30,000ct

30,000ct

*30,000ct 40,000ct
500ct
200ct

5000ct

10,000ct

30,000ct

400ct
125
50

1250

2500

-

100
.083
.083

.083

.083

.083

.062
.075
.075

.075

.075

.075

.062
.58
.58

.58

.58

.58

.5
3000
3000

3000

3000

3000

4000
60
24

600

1200

3600

48
15
6

150

300

-

12
7.75:1
12.25:1

2.45:1

1.73:1

1:1

10:1
15.5:1
24.5:1

4.9:1

3.46:1

-

20:1
63.22
63.22
63.22
63.22
68.81
68.81
* INCLUDES ELECTROSTATIC SHIELD
 
 

INDUCTORS

All Inductors have split windings and measurements are listed for both series and parallel connections. Two values of inductance, each at a particular value of D.C. current, are listed for each inductor.
Pico Part Number 
Pico Part Number
Inductance Series
DC CURRENT
DC Resistance
Prices 1-9** (US $)
71705
81705
Series
0.1
.08
4
10
25
48.44
Parallel
.025
.02
8
20
6.5
71710
81710
Series
.09
.05
2
6
105
48.44
Parallel
.23
.13
4
12
26
71715
81715
Series
2.5
0.9
2
4
630
48.44
Parallel
0.6
0.23
4
8
160
71720
81720
Series
4.5
1.2
2
4
2300
51.44
Parallel
1.1
0.3
4
8
575
**Discount Prices: 
    1-9 Net;
    10-24 less 10%;
    25-49 less 16%;
    50-99 less 23%; 
    100-499 less 30% 
Ordering Instructions: 

    No minimum.
    Net 30 days F.O.B. Pelham, NY
    Delivery--stock to one week for sample orders.

FEATURES:

Schematics
 
Schematics for Transformers 
with Split Secondaries 
Schematics for Transformers 
with Electrostatic Shield 
Schematics for Inductors 


 
 
 
RECOMMENDED LAND PATTERN DIMENSIONS

RECOMMENDED LAND PATTERN DIMENSIONS

Click Here for Plug-in Version of the 71000 and 81000 Series


For immediate engineering assistance or to place an order:
Call Toll Free: 800-431-1064

PICO Electronics, Inc.

143 Sparks Ave. Pelham, NY 10803-1810
Tel: 914-738-1400 or Fax: 914-738-8225

Go back to Surface Mount Transformers and Inductors Selections