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Audio Transformers:
2 Ohm to 250K Ohm; 150Hz to 75KHz; 1 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, 150 Hz-75 KHz at 1.0 Milliwatt. (When primary impedence is greater or equal to 50K
Ohms, ± 3db, 150 Hz-20 KHz).
MAXIMUM DISTORTION:
5% with rated power level at 1 KHz, 400 Hz, and 150Hz.
DIELECTRIC STRENGTH:
All units tested at 200 V RMS.
INSULATION RESISTANCE:
Greater than 10,000 Megohms at 300 V DC.
WEIGHT:
7.5 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 drawing
(http://www.picoelectronics.com/sites/all/staticpage_images/pe010s7b.jpg)
Audio Transformers: 2 Ohm to 250K Ohm; 150Hz to 75KHz; 1 watt at 1KHz
Secondary
Impedence
PICO
Part
Number
Square
PICO
Part
Round
Prim
Ohms
SER
PAR
CONN CONN
Number Imped
Ohms
Split
Windings
1KHz
and
higher
400
Hz
and
150
Hz
and
Power Watts
Prim
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
SER
PAR
SEC
SER
SEC
PAR
Secondary
DC
Resistance
OHMS
Turns Ratio
PRIM/SEC
***
Prices
1-9
(US $)
Package Package
CONN CONN
higher higher
CONN CONN
higher higher
RPS-
77203
77203
77205
77210
77215
77218
RPS-
77205
RPS-
77210
RPS-
77215
RPS-
77218
RPS-
77220
77220
77225
77228
77230
77235
RPS-
77225
RPS-
77228
RPS-
77230
RPS-
77235
RPS-
77240
77240
77245
77250
77255
77260
RPS-
77245
RPS-
77250
RPS-
77255
RPS-
77260
Secondary
Impedence
PICO
Part
Number
Square
PICO
Part
Number
Round
Primy
Imped
Ohms
SER
PAR
CONN CONN
Ohms
Split
Windings
1KHz
and
higher
400
Hz
and
150
Hz
and
Power Watts
Prim
Unbal
DC
Current
ma
Prim
DC
Resist
Ohms
SER
PAR
SEC
SER
CONN
SEC
PAR
CONN
Secondary
DC
Resistance
OHMS
Turns Ratio
PRIM/SEC
***
Prices
1-9
(US $)
120ct
120ct
150ct
150ct
150ct
60ct
120ct
12ct
50ct
100ct
15
30
3
12.5
25
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
9.0
9.0
8.0
8.0
8.0
10.8
10.8
13.5
12
12
8.5
15
1.75
5.8
13
2.2
3.8
.44
1.5
3.3
1.41:1 2.83:1
1:1
2:1
3.54:1 7.08:1
1.73:1 3.46:1
1.22:1 2.44:1
53.85
53.85
53.85
53.85
53.85
50ct
80ct
100ct
100ct
120ct
50ct
32ct
40ct
100ct
12.8ct
12.5
8
10
25
3.2
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
13.0
11.0
10.0
10.0
9.0
4.5
6.6
9.7
9.7
10.8
6.2
3.7
5.6
11
1.6
1.6
.93
1.4
2.8
.4
1:1
2:1
53.85
53.85
53.85
53.85
53.85
20ct
20ct
32ct
40ct
48ct
8ct
20ct
32ct
40ct
16ct
2
5
8
10
4
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
22.0
22.0
18.0
16.0
13.0
1.75
1.75
2.7
3
4.5
1.0
2.5
3.7
5.2
2.4
.25
.63
.93
1.3
.6
1.58:1 3.16:1
1:1
1:1
1:1
2:1
2:1
2:1
53.85
53.85
53.85
53.85
53.85
1.73:1 3.46:1
1.58:1 3.16:1
1.58:1 3.16:1
1:1
2:1
3.06:1 6.12:1
Package Package
CONN CONN
higher higher
RPS-
77265
77265
77270
77275
77280
77285
RPS-
77270
RPS-
77275
RPS-
77280
RPS-
77285
RPS-
77290
77290
77295
77300
77305
77310
RPS-
77295
RPS-
77300
RPS-
77305
RPS-
77310
RPS-
77315
77315
77320
RPS-
77320
400ct
400ct
120ct
200ct
30
50
1.0
1.0
.75
.75
.11
.11
5.0
5.0
30
39
14
24
3.5
6
1.83:1
1.41:1
3.65:1
2.83:1
53.85
53.85
300ct
300ct
300ct
320ct
400ct
150ct
300ct
600ct
12.8ct
40ct
37.5
75
150
3.2
10
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
5.0
5.0
5.0
5.0
5.0
26
27
27
30
39
21
38
66
1.75
4.3
5.3
9.5
17
.44
1.1
1.41:1
1:1
1.41:1
5:1
3.16:1
2.83:1
2:1
1.41:1
10:1
6.32:1
53.85
53.85
53.85
53.85
53.85
150ct
150ct
200ct
300ct
300ct
150ct
600ct
200ct
12ct
50ct
37.5
150
50
3
12.5
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
8.0
8.0
7.0
5.0
5.0
12
12
17
30
27
20
82
24
1.75
6.2
5
20.5
6.0
.44
1.6
1:1
1:2
1:1
5:1
2.45:1
2:1
1:1
2:1
10:1
4.9:1
53.85
53.85
53.85
53.85
53.85
77320
77325
77330
77335
77320
RPS-
77325
RPS-
77330
RPS-
77335
RPS-
77340
RPS-
77342
RPS-
77344
RPS-
77345
RPS-
77347
RPS-
77350
RPS-
77355
RPS-
77360
RPS-
77365
RPS-
77367
RPS-
77370
RPS-
400ct
400ct
400ct
400ct
200ct
400ct
1000ct
2000ct
50
100
250
500
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.11
.11
.11
.11
5.0
5.0
5.0
5.0
39
39
39
39
24
42
109
198
6
10.5
28
49
1.41:1
1:1
1:1.58
1:2.24
2.83:1
2:1
1.26:1
1:1.12
53.85
53.85
53.85
53.85
77340
77342
77344
77345
77347
400ct
500ct
500ct
500ct
500ct
4000ct
12.8ct
16ct
50ct
150ct
1000
3.2
4
12.5
37.5
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
5.0
4.5
4.5
4.5
4.5
39
43
43
43
43
436
1.6
2.3
5.8
19.8
109
.4
.56
1.5
5
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
53.85
53.85
53.85
53.85
53.85
77350
77355
77360
77365
77367
500ct
*500ct
500ct
600ct
600ct
500ct
500ct
600ct
12.8ct
30ct
125
-
150
3.2
7.5
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
4.5
4.5
4.5
4.0
4.0
43
43
43
68
60
60
60
66
1.75
3.7
15
-
17
.44
.93
1:1
1:1
1:1.1
6.85:1
4.47:1
2:1
-
1.83:1
13.7:1
8.94:1
53.85
56.06
53.85
53.85
53.85
77370
77375
77380
77385
77386
77387
77375
RPS-
77380
RPS-
77385
RPS-
77386
RPS-
77387
RPS-
77390
RPS-
77395
RPS-
77400
RPS-
77405
RPS-
77410
RPS-
77415
RPS-
77417
RPS-
77420
RPS-
77425
RPS-
77430
RPS-
77435
RPS-
77440
RPS-
77445
600ct
600ct
600ct
*600ct
*600ct
600ct
48ct
200ct
600ct
600ct
900ct
1200ct
12
50
150
-
-
300
1.0
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
.11
4.0
4.0
4.0
4.0
4.0
4.0
60
60
60
60
60
60
5.9
25
66
68
104
116
1.5
6.3
17
-
-
29
3.54:1
1.73:1
1:1
1:1
1:1.22
1:1.41
7.07:1
3.46:1
2:1
-
-
1.41:1
53.85
53.85
53.85
56.06
56.06
53.85
77390
77395
77400
77405
77410
640ct
700ct
800ct
800ct
800ct
12.8ct
100ct
12.8ct
48ct
800ct
3.2
25
3.2
12
200
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
4.0
4.0
3.5
3.5
3.5
69
62
78
74
74
1.75
10.6
1.75
6
102
.44
2.7
.44
1.5
26
7.07:1
2.65:1
7.91:1
4.08:1
1:1
14.14:1
5.29:1
15.8:1
8.16:1
2:1
53.85
53.85
53.85
53.85
53.85
77415
77417
77420
77425
77430
900ct
*900ct
1000ct
1000ct
1000ct
600ct
900ct
12ct
50ct
1000ct
150
-
3
12.5
250
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
3.0
3.0
3.0
3.0
3.0
90
90
115
100
75
66
102
1.75
5.8
103
17
-
.44
1.5
26
1.23:1
1:1
9.13:1
4.47:1
1:1
2.45:1
-
18.26:1
8.94:1
2:1
53.85
56.06
53.85
53.85
53.85
77435
77440
77445
77450
1060ct
1200ct
1200ct
1200ct
12.8ct
12.8ct
500ct
1200ct
3.2
3.2
125
300
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.11
.11
.11
.11
3.0
3.0
3.0
3.0
115
122
113
113
1.75
1.75
63
155
.44
.44
16
39
9.1:1
9.68:1
1.55:1
1:1
18.2:1
19.4:1
3.1:1
2:1
53.85
53.85
53.85
53.85
77450
77455
RPS-
77450
RPS-
77455
RPS-
77460
RPS-
77465
RPS-
77470
RPS-
77475
RPS-
77480
1200ct
1200ct
300
-
1.0
1.0
.75
.75
.11
.11
3.0
3.0
113
109
155
150
39
-
1:1
1:1
2:1
-
53.85
56.06
*1200ct 1200ct
77460
77465
77470
77475
77480
1500ct
1500ct
*1500ct
1600ct
12ct
500ct
600ct
12.8ct
3
125
-
-
3.2
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
2.5
2.5
2.5
2.5
2.5
140
150
150
150
140
1.75
60
66
168
1.75
.44
15
-
-
.44
11.18:1 22.36:1
1.73:1
1.58:1
1:1
3.46:1
-
-
53.85
53.85
56.06
56.06
53.85
*1500ct 1500ct
11.18:1 22.36:1
Secondary
Impedence
PICO
Part
Number
Square
PICO
Part
Number
Round
Prim
Imped
Ohms
SER
CONN
PAR
CONN
Ohms
Split
Windings
1KHz
and
higher
400
Hz
and
150
Hz
and
Power Watts
Prim
Unbal
DC
Curr
ma
Prim
DC
Resist
Ohms
Secondary
DC
Resistance
OHMS
Turns Ratio
PRIM/SEC
***
Price
1-9
(US
SER
PAR
SEC
SER
CONN
SEC
PAR
CONN
$)
Package Package
CONN CONN
higher higher
RPS-
77483
77483
77485
77490
77495
77497
RPS-
77485
RPS-
77490
RPS-
77495
RPS-
77497
RPS-
77500
77500
77505
77510
77512
77514
RPS-
77505
RPS-
77510
RPS-
77512
RPS-
77514
RPS-
77515
77515
77520
77525
77530
77535
RPS-
77520
RPS-
77525
RPS-
77530
RPS-
77535
RPS-
77540
77540
77545
77550
77555
77560
RPS-
77545
RPS-
77550
RPS-
77555
RPS-
77560
RPS-
7500ct
7500ct
7500ct
*7500ct
8000ct
100ct
600ct
2500ct
7500ct
12.8ct
25
150
625
-
3.2
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
1.0
1.0
1.0
1.0
1.0
670
670
670
670
765
11
66
268
925
1.75
2.8
16.5
67
-
.44
8.66:1
3.54:1
1.73:1
1:1
25:1
17.32:1 59.76
7.07:1
3.46:1
-
50:1
59.76
59.76
65.90
59.76
4000ct
*4000ct
5000ct
5000ct
7500ct
1000ct
8000ct
500ct
5000ct
50ct
250
-
125
1250
12.5
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
1.5
1.5
1.3
1.3
1.0
395
390
450
450
670
108
955
62
620
6
27
-
16
155
1.5
2:1
1:1.41
3.16:1
1:1
12.25:1
4:1
-
6.32:1
2:1
24.5:1
53.85
56.06
56.85
53.85
59.76
3000ct
*3000ct
3600ct
4000ct
4000ct
3000ct
3000ct
3600ct
16ct
600ct
750
-
900
4
150
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
1.8
1.8
1.5
1.5
1.5
267
267
300
395
395
295
368
413
2.5
66
74
-
103
.65
17
1:1
1:1
1:1
15.8:1
2.58:1
2:1
-
2:1
31.6:1
5.16:1
56.06
56.06
53.85
53.85
53.85
2000ct
2000ct
*2000ct
2000ct
2500ct
8ct
2000ct
2000ct
8000ct
2500ct
2
500
-
2000
625
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
2.0
2.0
2.0
2.0
2.0
250
185
175
185
245
1.0
255
240
1015
268
.25
64
-
254
68
15.8:1
1:1
1:1
1:2
1:1
31.6:1
2:1
-
1:1
2:1
53.85
53.85
56.06
56.06
56.06
RPS-
77565
RPS-
77565
77570
77575
77580
77585
77590
77570
RPS-
77575
RPS-
77580
RPS-
77585
RPS-
77590
RPS-
77595
77595
77600
77605
77610
77615
RPS-
77600
RPS-
77605
RPS-
77610
RPS-
77615
RPS-
77620
77620
77625
77630
77635
77640
RPS-
77625
RPS-
77630
RPS-
77635
RPS-
77640
RPS-
77645
77645
77650
77652
77655
77660
RPS-
77650
RPS-
77652
RPS-
77655
RPS-
77660
RPS-
77665
77665
77670
77675
77680
77685
RPS-
77670
RPS-
77675
RPS-
77680
RPS-
77685
RPS-
77690
77690
77695
77700
77705
77710
RPS-
77695
RPS-
77700
RPS-
77705
RPS-
77710
Secondary
Impedence
Ohms
Power Watts
Secondary
DC
Turns Ratio
20,000ct
20,000ct
20,000ct
20,000ct
800ct
1000ct
5000ct
10,000ct
200
250
1250
2500
-
.5
.5
.5
.5
.5
.5
.5
.5
.5
.5
.11
.11
.11
.11
.11
0.7
0.7
0.7
0.7
0.7
1750
1750
1750
1750
1715
98
135
610
1075
2370
24.5
34
153
269
-
5:1
4.47:1
2:1
1.41:1
1:1
10:1
8.94:1
4:1
2.83:1
-
65.90
65.90
65.90
65.90
65.90
*15,000ct 15,000ct
15,000ct
16,000ct
20,000ct
20,000ct
15,000ct
1000ct
500ct
600ct
-
3750
250
125
150
.66
.66
.62
.5
.5
.66
.66
.62
.5
.5
.11
.11
.11
.11
.11
0.8
0.8
0.8
0.7
0.7
1165
1165
1560
1750
1750
1600
1600
108
60
82
-
400
27
15
20.5
1:1
1:1
4:1
6.32:1
5.77:1
-
2:1
8:1
65.90
59.76
59.76
*10,000ct 10,000ct
15,000ct
15,000ct
15,000ct
15,000ct
400ct
500ct
600ct
10,000ct
-
100
125
150
2500
1.0
.66
.66
.66
.66
.75
.66
.66
.66
.66
.11
.11
.11
.11
.11
1.0
0.8
0.8
0.8
0.8
715
1165
1165
1165
1165
985
52
60
80
1050
-
13
15
20
263
1:1
6.12:1
5.48:1
5:1
1.22:1
-
65.90
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
1500ct
2000ct
5000ct
7500ct
10,000ct
375
500
1250
1875
2500
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
1.0
1.0
1.0
1.0
1.0
780
780
780
780
780
160
300
610
932
1075
40
75
153
233
269
2.58:1
2.24:1
1.41:1
1.16:1
1:1
5.16:1
4.47:1
2.83:1
2.31:1
2:1
59.76
59.76
59.76
59.76
59.76
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
200ct
500ct
600ct
1000ct
1200ct
50
125
150
250
300
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
1.0
1.0
1.0
1.0
1.0
780
780
780
780
780
24
60
83
106
145
6
15
21
27
36
7.07:1
4.47:1
4.08:1
3.16:1
2.89:1
14.14:1 59.76
8.94:1
8.16:1
6.32:1
5.77:1
59.76
59.76
59.76
59.76
8000ct
*8000ct
*9000ct
10,000ct
10,000ct
10,000ct
1000ct
1200ct
9000ct
12.8ct
16ct
100ct
250
-
-
3.2
4
25
1.0
1.0
1.0
1.0
1.0
1.0
.75
.75
.75
.75
.75
.75
.11
.11
.11
.11
.11
.11
1.0
1.0
1.0
1.0
1.0
1.0
695
715
925
768
756
780
106
153
1020
1.6
1.7
10
26.5
-
-
.4
.43
2.5
2.83:1
2.58:1
1:1
28:1
25:1
10:1
5.66:1
-
-
56:1
50:1
20:1
59.76
65.90
65.90
59.76
59.76
59.76
12.25:1 59.76
10.95:1 59.76
10:1
2.45:1
59.76
59.76
12.65:1 59.76
11.55:1 64.10
*20,000ct 20,000ct
