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
MILPRF27: All units manufactured to MILPRF27, Grade 5, Class S.
FREQUENCY RESPONSE: ±3db, 50 Hz30 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 MILSTD202, Method 208.
THERMAL SHOCK: 25 Cycles, Method 107, MILSTD202, 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
Secondary
Impedance
Ohms
Split
Pico
Prim
Part Imped Windings
Number Ohms
Turns Ratio Pico
Primary
Prime/Sec Price
Prim
Unbal
DC
19
DC
Resist
***
Current
300
Ohms
1KHz
75 Hz
SEC SEC (US
ma
Hz
SER PAR
$)
SER PAR and
and
SER PAR
and
CONN CONN
higher
higher
CONN CONN
higher
Power Watts
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
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
22
22
17.5
16
14.5
14
11
10
10
9
9
9
8
8
8
1.6
1.6
2.56
3.2
3.84
4
6.4
8
8
9.6
9.6
9.6
12
12
12
.88
2.2
3.52
4.4
1.76
5.5
3.52
4.4
11
1.41
6.6
13.2
1.32
5.5
11
.22
.55
.88
1.1
.44
1.38
.88
1.1
2.75
.35
1.65
3.3
.33
1.38
2.75
1.58:1
1:1
1:1
1:1
1.73:1
1:1
1.58:1
1.58:1
1:1
3.06:2
1.41:1
1:1
3.54:1
1.73:1
1.22:1
3.16:1
2:1
2:1
2:1
3.46:1
2:1
3.16:1
3.16:1
2:1
6.12:1
2.83:1
2:1
7.08:1
3.46:1
2.44:1
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
Secondary
DC
Resistance
Ohms
83003
83005
83010
83015
83018
83020
83025
83028
83030
83035
83040
83045
83050
83055
83060
20 ct
20 ct
32 ct
40 ct
48 ct
50 ct 50 ct 12.5
80 ct 32 ct
8
100 ct 40 ct
10
100 ct 100 ct 25
120 ct 12.8 ct 3.2
120 ct 60 ct
120 ct 120 ct
150 ct 12 ct
150 ct 50 ct
150 ct 100 ct
15
30
3
12.5
25
Secondary
Impedance
Ohms
Split
Pico
Prim
Part Imped Windings
Number Ohms
Turns Ratio Pico
Primary
Prime/Sec Price
Prim
Unbal
DC
19
DC
Resist
***
Current
300
Ohms
1KHz
75 Hz
SEC SEC (US
ma
Hz
SER PAR
$)
SER PAR and
and
SER PAR
and
CONN CONN
higher
higher
CONN CONN
higher
Power Watts
37.5
150
50
3
12.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
8
8
7
5.5
5.5
5.5
5.5
5.5
5.5
5
5
5
5
5
5
12
12
16
24
24
24
24
24
25.6
32
32
32
32
32
32
16.5
66
22
1.32
5.5
16.5
33
66
1.41
4.4
13.2
22
44
110
220
4.13
16.5
5.5
.33
1.38
4.13
8.25
16.5
.35
1.1
3.3
5.5
11
27.5
55
1:1
1:2
1:1
5:1
2.45:1
1.41:1
1:1
1:1.41
5:1
3.16:1
1.83:1
1.41:1
1:1
1:1.58
1:2.24
2:1
1:1
2:1
10:1
4.9:1
2.83:1
2:1
1.41:1
10:1
6.32:1
3.65:1
2.83:1
2:1
1.26:1
1:1.12
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
Secondary
DC
Resistance
Ohms
83065
83070
83075
83080
83085
83090
83095
83100
83105
83110
83115
83120
83125
83130
83135
150 ct 150 ct
150 ct 600 ct
200 ct 200 ct
300 ct 12 ct
300 ct 50 ct
300 ct
300 ct
300 ct
320 ct
400 ct
400 ct
400 ct
400 ct
400 ct
400 ct
150 ct 37.5
300 ct 75
600 ct 150
12.8 ct 3.2
40 ct
10
120 ct
200 ct
400 ct
1000
ct
2000
ct
30
50
100
250
500
83140
83142
83144
83145
83147
83150
83155
83160
83165
83167
4000
400 ct
1000
ct
500 ct
3.2
12.8 ct
500 ct
4
16 ct
500 ct
12.5
50 ct
500 ct
37.5
150 ct
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
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4
4
32
40
40
40
40
40
40
40
48
48
440
1.41
1.76
5.5
16.5
55
55
66
1.41
3.3
110
.35
.44
1.38
4.13
13.75
16.5
.35
.83
1:3.16
6.25:1
5.6:1
3.16:1
1.83:1
1:1
1:1
1:1.1
6.85:1
4.47:1
1:1.58
12.5:1
11.2:1
6.32:1
3.65:1
2:1
1.83:1
13.7:1
8.94:1
50.19
50.19
50.19
50.19
50.19
50.19
52.19
50.19
50.19
50.19
83170
600 ct 48 ct
83175
600 ct 200 ct
83180** 600 ct 600 ct
83185** *600 ct 600 ct
83186** *600 ct 900 ct
83187**
83190
83195
83200
83205
1200
600 ct
ct
640 ct
12.8 ct
700 ct
100 ct
800 ct
12.8 ct
800 ct
48 ct
800 ct
600 ct
900 ct
12 ct
50 ct
1000
ct
12.8 ct
12.8 ct
500 ct
1200
ct
12
50
150
300
3.2
25
3.2
12
200
150
3
12.5
250
3.2
3.2
125
300
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
.03
4
4
4
4
4
4
4
3.5
3.5
3.5
3.5
3
3
3
3
3
3
3
3
3
48
48
48
48
48
48
51
56
64
64
64
72
72
80
80
80
85
96
96
96
5.28
22
66
66
99
132
1.41
11
1.41
5.28
88
66
99
1.32
5.5
110
1.41
1.41
55
132
1.37
5.5
16.5
33
.35
2.75
.35
1.32
22
16.5
.33
1.38
27.5
.35
.35
13.75
33
3.54:1
1.73:1
1:1
1:1
1:1.22
1:1.41
7.07:1
2.65:1
7.91:1
4.08:1
1:1
1.23:1
1:1
9.13:1
4.47:1
1:1
9.1:1
9.68:1
1.55:1
1:1
7.07:1
3.46:1
2:1
1.41:1
14.14:1
5.29:1
15.8:1
8.16:1
2:1
2.45:1
18.26:1
8.94:1
2:1
18.2:1
19.4:1
3.1:1
2:1
50.19
50.19
50.19
52.19
52.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
52.19
50.19
50.19
50.19
50.19
50.19
50.19
50.19
83210
800 ct
83215
900 ct
83217** *900 ct
83220
1000 ct
83225
1000 ct
83230
83235
83240
83245
83250
1000 ct
1060 ct
1200 ct
1200 ct
1200 ct
83255
83260
83265
83270
83275
*1200
1200
ct
ct
1500 ct
12 ct
1500 ct
500 ct
*1500
600 ct
ct
1500
*1500
ct
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
Secondary
Impedance
Ohms
Split
Pico
Prim
Part Imped Windings
Number Ohms
Primary
Unbal
DC
Current
300
1 KHz
75 Hz
ma
Hz
SER PAR and
and
and
higher
higher
higher
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
Power Watts
Prim
DC
Resist
Ohms
Turns Ratio Pico
Prime/Sec Price
19
***
SEC SEC (US
SER PAR
$)
SER PAR
CONN CONN
CONN CONN
Secondary
DC
Resistance
Ohms
83280
83283
83285
83290
83295
1600 ct
2000 ct
2000 ct
*2000 ct
2000 ct
12.8 ct
8 ct
3.2
2000
2
ct
500
2000
ct
2000
8000
ct
2500
ct
3000
ct
3000
ct
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
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
3600 ct
16 ct
4000 ct
600 ct
4000 ct
1000
4000 ct
ct
*4000 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
125
5000
1250
ct
12.5
50 ct
25
100 ct
150
600 ct
2500
ct
7500 625
ct
12.8 ct 3.2
1000 250
ct
1200
ct
3.2
4
25
50
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
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
*9000 ct
ct
10,000 ct
12.8 ct
10,000 ct
16 ct
10,000 ct
100 ct
10,000 ct
200 ct
500 ct
600 ct
1000
ct
1200
ct
1500
ct
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
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
500
ct
1250
7500
1875
ct
2500
10,000
ct
10,000
ct
400 ct
500 ct 100
600 ct 125
10,000 150
ct
2500
15,000
ct
15,000
ct
3750
1000 250
ct
125
500 ct 150
600 ct 200
800 ct
1000
ct
5000 250
ct
1250
10,000 2500
ct
20,000 125
ct
500 ct
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
.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
.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
.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
Secondary
Impedance
Ohms
Split
Pico
Prim
Part Imped Windings
Number Ohms
Primary
Unbal
DC
Current
300
1 KHz
75 Hz
ma
Hz
SER PAR and
and
and
higher
higher
higher
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
Power Watts
Prim
DC
Resist
Ohms
Turns Ratio Pico
Prime/Sec Price
19
***
SEC SEC (US
SER PAR
$)
SER PAR
CONN CONN
CONN CONN
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
Secondary
DC
Resistance
Ohms
83520
83525
83530
83532
83534
25,000ct
30,000ct
30,000ct
30,000ct
30,000ct
2000
2400
2400
2400
2400
83535
83540
83545
83550
83555
30,000ct
30,000ct
*30,000ct
40,000 ct
40,000 ct
5000
ct
10,000 1250
ct
2500
30,000
ct
100
400 ct 500
2000
ct
4000
ct
1000
20,000
5000
ct
40,000
50
ct
125
200 ct
500 ct
600 ct
50,000
ct
15,000
ct
50 ct
15,000
ct
.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
.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
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
2500
15,000 3750
ct
15
60 ct
25
100 ct 125
500 ct
.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
1000
ct
ct
100,000
250
2000
ct
500
ct
100,000
2500
10,000
ct
20.5
ct
135,000
82 ct
ct
.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:
Ordering Instructions:
