Audio Transformers:

2 Ohm to 135K Ohm; 50Hz to 30KHz; 2 watt 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, 50 Hz-30 KHz at 1.0 Milliwatt. (±0.5 db, 300 Hz - 5 KHz) 
  • MAXIMUM DISTORTION: 5% with Rated Power Level at 1 KHz, 300 Hz and 50 Hz. 
  • DIELECTRIC STRENGTH: All units tested at 200 V RMS. 
  • INSULATION RESISTANCE: Greater than 10,000 Megohms at 300 V DC. 
  • WEIGHT: 17 Grams 
  • OPERATING TEMPERATURE:  -55º C to +130º C 
  • 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 drawing

 
Audio Transformers: 2 Ohm to 135K Ohm; 50Hz to 30KHz; 2 watt at 1KHz 
Pico
Part
Number
Prim
Imped
Ohms
Secondary
Impedance
Ohms
Split
Windings
Power Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns Ratio
Prime/Sec
Pico
Price
1-9
***
(US $)
SER
PAR
1KHz
and
higher
300 Hz
and
higher
75 Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
83003
83005
83010
83015
83018
20 ct
20 ct
32 ct
40 ct
48 ct
8 ct
20 ct
32 ct
40 ct
16 ct
2
5
8
10
4
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5

.03
.03
.03
.03
.03
22
22
17.5
16
14.5
1.6
1.6
2.56
3.2
3.84
.88
2.2
3.52
4.4
1.76
.22
.55
.88
1.1
.44
1.58:1
1:1
1:1
1:1
1.73:1
3.16:1
2:1
2:1
2:1
3.46:1
50.19
50.19
50.19
50.19
50.19
83020
83025
83028
83030
83035
50 ct
80 ct
100 ct
100 ct
120 ct
50 ct
32 ct
40 ct
100 ct
12.8 ct
12.5
8
10
25
3.2
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
14
11
10
10
9
4
6.4
8
8
9.6
5.5
3.52
4.4
11
1.41
1.38
.88
1.1
2.75
.35
1:1
1.58:1
1.58:1
1:1
3.06:2
2:1
3.16:1
3.16:1
2:1
6.12:1
50.19
50.19
50.19
50.19
50.19
83040
83045
83050
83055
83060
120 ct
120 ct
150 ct
150 ct
150 ct
60 ct
120 ct
12 ct
50 ct
100 ct
15
30
3
12.5
25
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
9
9
8
8
8
9.6
9.6
12
12
12
6.6
13.2
1.32
5.5
11
1.65
3.3
.33
1.38
2.75
1.41:1
1:1
3.54:1
1.73:1
1.22:1
2.83:1
2:1
7.08:1
3.46:1
2.44:1
50.19
50.19
50.19
50.19
50.19
Pico
Part
Number
Prim
Imped
Ohms
Secondary
Impedance
Ohms
Split
Windings
Power Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns Ratio
Prime/Sec
Pico
Price
1-9
***
(US $)
SER
PAR
1KHz
and
higher
300 Hz
and
higher
75 Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
83065
83070
83075
83080
83085
150 ct
150 ct
200 ct
300 ct
300 ct
150 ct
600 ct
200 ct
12 ct
50 ct
37.5
150
50
3
12.5
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
8
8
7
5.5
5.5
12
12
16
24
24
16.5
66
22
1.32
5.5
4.13
16.5
5.5
.33
1.38
1:1
1:2
1:1
5:1
2.45:1
2:1
1:1
2:1
10:1
4.9:1
50.19
50.19
50.19
50.19
50.19
83090
83095
83100
83105
83110
300 ct
300 ct
300 ct
320 ct
400 ct
150 ct
300 ct
600 ct
12.8 ct
40 ct
37.5
75
150
3.2
10
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
5.5
5.5
5.5
5.5
5
24
24
24
25.6
32
16.5
33
66
1.41
4.4
4.13
8.25
16.5
.35
1.1
1.41:1
1:1
1:1.41
5:1
3.16:1
2.83:1
2:1
1.41:1
10:1
6.32:1
50.19
50.19
50.19
50.19
50.19
83115
83120
83125
83130
83135
400 ct
400 ct
400 ct
400 ct
400 ct
120 ct
200 ct
400 ct
1000 ct
2000 ct
30
50
100
250
500
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
5
5
5
5
5
32
32
32
32
32
13.2
22
44
110
220
3.3
5.5
11
27.5
55
1.83:1
1.41:1
1:1
1:1.58
1:2.24
3.65:1
2.83:1
2:1
1.26:1
1:1.12
50.19
50.19
50.19
50.19
50.19
83140
83142
83144
83145
83147
400 ct
500 ct
500 ct
500 ct
500 ct
4000 ct
12.8 ct
16 ct
50 ct
150 ct
1000
3.2
4
12.5
37.5
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
5
4.5
4.5
4.5
4.5
32
40
40
40
40
440
1.41
1.76
5.5
16.5
110
.35
.44
1.38
4.13
1:3.16
6.25:1
5.6:1
3.16:1
1.83:1
1:1.58
12.5:1
11.2:1
6.32:1
3.65:1
50.19
50.19
50.19
50.19
50.19
83150
83155
83160
83165
83167
500 ct
*500 ct
500 ct
600 ct
600 ct
500 ct
500 ct
600 ct
12.8 ct
30 ct
125
-
150
3.2
7.5
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
4.5
4.5
4.5
4
4
40
40
40
48
48
55
55
66
1.41
3.3
13.75
-
16.5
.35
.83
1:1
1:1
1:1.1
6.85:1
4.47:1
2:1
-
1.83:1
13.7:1
8.94:1
50.19
52.19
50.19
50.19
50.19
83170
83175
83180**
83185**
83186**
600 ct
600 ct
600 ct
*600 ct
*600 ct
48 ct
200 ct
600 ct
600 ct
900 ct
12
50
150
-
-
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
4
4
4
4
4
48
48
48
48
48
5.28
22
66
66
99
1.37
5.5
16.5
-
-
3.54:1
1.73:1
1:1
1:1
1:1.22
7.07:1
3.46:1
2:1
-
-
50.19
50.19
50.19
52.19
52.19
83187**
83190
83195
83200
83205
600 ct
640 ct
700 ct
800 ct
800 ct
1200 ct
12.8 ct
100 ct
12.8 ct
48 ct
300
3.2
25
3.2
12
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
4
4
3.5
3.5
3.5
48
51
56
64
64
132
1.41
11
1.41
5.28
33
.35
2.75
.35
1.32
1:1.41
7.07:1
2.65:1
7.91:1
4.08:1
1.41:1
14.14:1
5.29:1
15.8:1
8.16:1
50.19
50.19
50.19
50.19
50.19
83210
83215
83217**
83220
83225
800 ct
900 ct
*900 ct
1000 ct
1000 ct
800 ct
600 ct
900 ct
12 ct
50 ct
200
150
-
3
12.5
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
3.5
3
3
3
3
64
72
72
80
80
88
66
99
1.32
5.5
22
16.5
-
.33
1.38
1:1
1.23:1
1:1
9.13:1
4.47:1
2:1
2.45:1
-
18.26:1
8.94:1
50.19
50.19
52.19
50.19
50.19
83230
83235
83240
83245
83250
1000 ct
1060 ct
1200 ct
1200 ct
1200 ct
1000 ct
12.8 ct
12.8 ct
500 ct
1200 ct
250
3.2
3.2
125
300
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
3
3
3
3
3
80
85
96
96
96
110
1.41
1.41
55
132
27.5
.35
.35
13.75
33
1:1
9.1:1
9.68:1
1.55:1
1:1
2:1
18.2:1
19.4:1
3.1:1
2:1
50.19
50.19
50.19
50.19
50.19
83255
83260
83265
83270
83275
*1200 ct
1500 ct
1500 ct
*1500 ct
*1500 ct
1200 ct
12 ct
500 ct
600 ct
1500 ct
-
3
125
-
-
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
3
2.5
2.5
2.5
2.5
96
120
120
120
120
132
1.32
55
66
165
-
.33
13.75
-
-
1:1
11.18:1
1.73:1
1.58:1
1:1
-
22.36:1
3.46:1
-
-
52.19
50.19
50.19
52.19
52.19
Pico
Part
Number
Prim
Imped
Ohms
Secondary
Impedance
Ohms
Split
Windings
Power Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns Ratio
Prime/Sec
Pico
Price
1-9
***
(US $)
SER
PAR
1 KHz
and
higher
300 Hz
and
higher
75 Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
83280
83283
83285
83290
83295
1600 ct
2000 ct
2000 ct
*2000 ct
2000 ct
12.8 ct
8 ct
2000 ct
2000 ct
8000 ct
3.2
2
500
-
2000
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
2.5
2.2
2.2
2.2
2.2
128
160
160
160
160
1.41
.88
220
220
880
.35
.22
55
-
220
11.18:1
15.8:1
1:1
1:1
1:2
22.36:1
31.6:1
2:1
-
1:1
50.19
50.19
50.19
52.38
52.38
83297
83300
83305
2500 ct
3000 ct
*3000 ct
2500 ct
3000 ct
3000 ct
625
750
-
2.0
2.0
2.0
1.5
1.5
1.5
.03
.03
.03
2
1.8
1.8
200
240
240
275
330
330
69
83
-
1:1
1:1
1:1
2:1
2:1
-
52.38
52.38
52.38
83310
83312
83314**
83315
83320
3600 ct
4000 ct
4000 ct
4000 ct
*4000 ct
3600 ct
16 ct
600 ct
1000 ct
8000 ct
900
4
150
250
-
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
1.7
1.6
1.6
1.6
1.6
288
320
320
320
320
396
1.76
66
110
880
99
.44
16.5
27.5
-
1:1
15.8:1
2.58:1
2:1
1:1.41
2:1
31.6:1
5.16:1
4:1
-
52.38
52.38
52.38
52.38
52.38
83325
83330
83335
83340
83345
5000 ct
5000 ct
7500 ct
7500 ct
7500 ct
500 ct
5000 ct
50 ct
100 ct
600 ct
125
1250
12.5
25
150
2.0
2.0
1.3
1.3
1.3
1.5
1.5
1.3
1.3
1.3
.03
.03
.03
.03
.03
1.4
1.4
1.2
1.2
1.2
400
400
600
600
600
55
550
5.5
11
66
13.8
138
1.38
2.75
16.5
3.16:1
1:1
12.25:1
8.66:1
3.54:1
6.32:1
2:1
24.5:1
17.32:1
7.07:1
50.19
50.19
55.59
55.59
55.59
83350
83355
83360
83365
83370
7500 ct
*7500 ct
8000 ct
8000 ct
*8000 ct
2500 ct
7500 ct
12.8 ct
1000 ct
1200 ct
625
-
3.2
250
-
1.3
1.3
1.2
1.2
1.2
1.3
1.3
1.2
1.2
1.2
.03
.03
.03
.03
.03
1.2
1.2
1.1
1.1
1.1
600
600
640
640
640
275
825
1.4
110
132
69
-
.35
27.5
-
1.73:1
1:1
25:1
2.83:1
2.58:1
3.46:1
-
50:1
5.66:1
-
55.59
60.09
55.59
55.59
60.09
83375
83380
83385
83390
83395
*9000 ct
10,000 ct
10,000 ct
10,000 ct
10,000 ct
9000 ct
12.8 ct
16 ct
100 ct
200 ct
-
3.2
4
25
50
1.1
1.0
1.0
1.0
1.0
1.1
1.0
1.0
1.0
1.0
.03
.03
.03
.03
.03
1.1
1
1
1
1
720
800
800
800
800
990
1.4
1.76
11
22
-
.35
.44
2.75
5.5
1:1
28:1
25:1
10:1
7.07:1
-
56:1
50:1
20:1
14.14:1
60.09
55.59
55.59
55.59
55.59
83400
83405
83410
83415
83420
10,000 ct
10,000 ct
10,000 ct
10,000 ct
10,000 ct
500 ct
600 ct
1000 ct
1200 ct
1500 ct
125
150
250
300
375
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
.03
.03
.03
.03
.03
1
1
1
1
1
800
800
800
800
800
55
66
110
132
165
13.75
16.5
27.5
33
41.3
4.47:1
4.08:1
3.16:1
2.89:1
2.58:1
8.94:1
8.16:1
6.32:1
5.77:1
5.16:1
55.59
55.59
55.59
55.59
55.59
83425
83430
83435
83440
83445
10,000 ct
10,000 ct
10,000 ct
10,000 ct
*10,000ct
2000 ct
5000 ct
7500 ct
10,000 ct
10,000 ct
500
1250
1875
2500
-
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
.03
.03
.03
.03
.03
1
1
1
1
1
800
800
800
800
800
220
550
825
1100
1100
55
138
206
275
-
2.24:1
1.41:1
1.16:1
1:1
1:1
4.47:1
1.83:1
2.31:1
2:1
-
55.59
55.59
55.59
55.59
60.09
83450
83452
83455
83460
83465
15,000 ct
15,000 ct
15,000 ct
15,000 ct
*15,000ct
400 ct
500 ct
600 ct
10,000 ct
15,000 ct
100
125
150
2500
-
.65
.65
.65
.65
.65
.65
.65
.65
.65
.65
.03
.03
.03
.03
.03
.8
.8
.8
.8
.8
1200
1200
1200
1200
1200
44
55
66
1100
1650
11
13.8
16.5
275
-
6.12:1
5.48:1
5:1
1.22:1
1:1
12.25:1
10.95:1
10:1
2.45:1
-
55.59
55.59
55.59
55.59
60.09
83470
83475
83480
83485
83490
15,000 ct
16,000 ct
20,000 ct
20,000 ct
20,000 ct
15,000 ct
1000 ct
500 ct
600 ct
800 ct
3750
250
125
150
200
.65
.62
.5
.5
.5
.65
.62
.5
.5
.5
.03
.03
.03
.03
.03
.8
.8
.7
.7
.7
1200
1280
1600
1600
1600
1650
110
55
66
88
413
27.5
13.8
16.5
22
1:1
4:1
6.32:1
5.77:1
5:1
2:1
8:1
12.65:1
11.55:1
10:1
55.59
55.59
60.09
60.09
60.09
83495
83500
83505
83510
83515
20,000 ct
20,000 ct
20,000 ct
*20,000ct
25,000 ct
1000 ct
5000 ct
10,000 ct
20,000 ct
500 ct
250
1250
2500
-
125
.5
.5
.5
.5
.4
.5
.5
.5
.5
.4
.03
.03
.03
.03
.03
.7
.7
.7
.7
.6
1600
1600
1600
1600
2000
110
550
1100
2200
55
27.5
138
275
-
13.8
4.47:1
2:1
1.41:1
1:1
7.07:1
8.94:1
4:1
2.83:1
-
14.14:1
60.09
60.09
60.09
61.91
60.09
Pico
Part
Number
Prim
Imped
Ohms
Secondary
Impedance
Ohms
Split
Windings
Power Watts
Primary
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
Ohms
Turns Ratio
Prime/Sec
Pico
Price
1-9
***
(US $)
SER
PAR
1 KHz
and
higher
300 Hz
and
higher
75 Hz
and
higher
SER
CONN
PAR
CONN
SEC
SER
CONN
SEC
PAR
CONN
83520
83525
83530
83532
83534
25,000ct
30,000ct
30,000ct
30,000ct
30,000ct
1000 ct
50 ct
1200 ct
500 ct
200 ct
250
12.5
300
125
50
.4
.33
.33
.33
.33
.4
.33
.33
.33
.33
.03
.03
.03
.03
.03
.6
.6
.6
.6
.6
2000
2400
2400
2400
2400
110
5.5
132
55
22
27.5
1.38
33
13.8
5.5
5:1
24.5:1
5:1
7.7:1
12.2:1
10:1
49:1
10:1
15.5:1
24.5:1
60.09
61.91
61.91
61.91
61.91
83535
83540
83545
83550
83555
30,000ct
30,000ct
*30,000ct
40,000 ct
40,000 ct
5000 ct
10,000 ct
30,000 ct
400 ct
2000 ct
1250
2500
-
100
500
.33
.33
.33
.25
.25
.33
.33
.33
.25
.25
.03
.03
.03
.03
.03
.6
.6
.6
.5
.5
2400
2400
2400
3200
3200
550
1100
3300
44
220
137.5
275
-
11
55
2.45:1
1.73:1
1:1
10:1
4.47:1
4.9:1
3.46:1
-
20:1
8.94:1
61.91
61.91
66.54
66.54
66.54
83560
83565
83570
83575
83577
40,000 ct
40,000 ct
*40,000ct
50,000 ct
50,000 ct
4000 ct
20,000 ct
40,000 ct
200 ct
500 ct
1000
5000
-
50
125
.25
.25
.25
.2
.2
.25
.25
.25
.2
.2
.03
.03
.03
.03
.03
.5
.5
.5
.4
.4
3200
3200
3200
4000
4000
440
2200
4400
22
55
110
550
-
5.5
13.8
3.16:1
1.41:1
1:1
15.8:1
10:1
6.32:1
2.83:1
-
31.6:1
20:1
66.54
66.54
74.08
74.08
74.08
83578
83579
83580
83585
83587
50,000 ct
50,000 ct
60,000 ct
62,500 ct
80,000 ct
600 ct
50,000 ct
15,000 ct
50 ct
15,000 ct
150
12,500
3750
12.5
3750
.2
.2
.16
.16
.12
.2
.2
.16
.16
.12
.03
.03
.03
.03
.03
.4
.4
.4
.4
.3
4000
4000
4800
5000
6400
66
5500
1650
5.5
1650
16.5
1380
413
1.38
413
9.13:1
1:1
2:1
35.4:1
2.3:1
18.26:1
2:1
4:1
70.7:1
4.6:1
74.08
74.77
74.77
74.77
74.77
83590
83595
83600
83605
83610
90,000 ct
95,000 ct
100,000 ct
100,000 ct
100,000 ct
10,000 ct
15,000 ct
60 ct
100 ct
500 ct
2500
3750
15
25
125
.11
.1
.1
.1
.1
.11
.1
.1
.1
.1
.03
.03
.03
.03
.03
.3
.3
.3
.3
.3
7200
7600
8000
8000
8000
1100
1650
6.6
11
55
275
413
1.65
2.75
13.8
3:1
2.5:1
40.8:1
31.6:1
14.1:1
6:1
5:1
81.6:1
63.2:1
28.3:1
83.98
83.98
83.98
83.98
83.98
83613
83614
83615
83620
100,000 ct
100,000 ct
100,000 ct
135,000 ct
1000 ct
2000 ct
10,000 ct
82 ct
250
500
2500
20.5
.1
.1
.1
.07
.1
.1
.1
.07
.03
.03
.03
.03
.3
.3
.3
.2
8000
8000
8000
10,800
110
220
1100
9
27.5
55
275
2.25
10:1
7.07:1
3.16:1
40.6:1
20:1
14.14:1
6.32:1
81.2:1
83.98
83.98
83.98
87.75
*Includes electrostatic shield 
 
**Miniaturized telephoned coupling application   
***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
  • Extreme resistance to thermal shock. 
  • Ultra miniature size. 
  • PICO is approved QPL source (MIL-PRF-27). 
  • Magnetic shields available. 
  • Electrostatic shielding can be added. 
  • Variation of standard designs available. 
  • Primary and secondary windings can be used either as input or output. 
  • Every unit in this catalog can be made with a 300 thermal cycle guarantee using PICO's special SR construction. Contact factory for details.
Schematics 
for Transformers 
with Electrostatic Shield 
Schematics 
for Transformers 
with Split Secondaries 

 

Click Here for Plug-in Version of 83000 Series
 

RECOMMENDED LAND PATTERN DIMENSIONS

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

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