Audio Transformers:
2 Ohm to 30K Ohm; 400Hz to 250KHz; 100 milliwatt at 1KHz
SURFACE MOUNT
PICO surface mount units utilize
materials and methods to withstand
extreme temperatures (220º C) 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, 400 Hz250 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: 1.5 Grams
TERMINALS: Solderability
per MILSTD202, Method
208.
THERMAL SHOCK: 25
Cycles, Method 107, MIL
STD202, Test Condition 55º C
to +130º C.
Bottom View
Larger size drawing
Bottom View
Larger size drawing
M
OISTURE SENSITIVITY
LEVEL : MSL3
Audio Transformers: 2 Ohm to 30K Ohm; 400Hz to 250KHz;
100 milliwatt at 1KHz
Gull
J
Wing Lead Prim
PICO PICO Imped
Part
Part Ohms
Number Number
Primary
Unbal
DC
Current
1KHz 400Hz
ma
SER PAR and
and
higher higher
10ct
8ct
20ct
32ct
40ct
16ct
50ct
32ct
2.5
2
5
8
10
4
12.5
8
10
25
125
125
125
125
125
125
125
125
125
125
20
20
20
20
20
20
20
20
20
20
11.5
8
8
6.5
5.6
5.2
5
4
3.6
3.6
Secondary
Impedence
Ohms
Split
Windings
Power
Milliwatts
Prim
DC
Resist
Ohms
Turns/Ratio Pico
Prim/Sec Prices
19
***
SEC
SEC (US $)
SER PAR
SER PAR
CONN CONN
CONN CONN
1.35
1.28
2.56
4.32
4.77
2.3
6.6
4.25
4.85
12
.34
.32
.64
1.08
1.19
.58
1.65
1.06
1.21
3
1:1
1.58:1
1:1
1:1
1:1
1.1
2:1
3.16:1
2:1
2:1
2:1
2:1
65.65
65.65
65.65
65.65
65.12
59.67
59.67
65.12
65.12
59.67
Secondary
DC
Resistance
Ohms
70003
70005
70010
70015
70020
70025
70030
70035
70040
70045
80003
80005
80010
80015
80020
80025
80030
80035
80040
80045
10ct
20ct
20ct
32ct
40ct
48ct
50ct
80ct
1.1
2.1
2.1
3.52
4
4.3
5.5
8.5
12.1
12.1
1.73:1
3.46:1
1.58:1
3.16:1
1.58:1
3.16:1
1:1
2:1
100ct
40ct
100ct 100ct
Gull
J
Wing Lead Prim
PICO PICO Imped
Part
Part Ohms
Number Number
Primary
Unbal
DC
Current
1KHz
400Hz
ma
SER PAR and
and
higher higher
12.8ct 3.2
60ct
15
120ct 30
12ct
3
50ct 12.5
100ct
150ct
600ct
200ct
12ct
25
37.5
150
50
3
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
3.3
3.3
3.3
3
3
3
3
3
2.5
2
2
2
2
2
2
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.35
1.3
Secondary
Impedence
Ohms
Split
Windings
Power
Milliwatts
Prim
DC
Resist
Ohms
Turns/Ratio Pico
Prim/Sec Prices
19
***
SEC
SEC (US $)
SER PAR
SER PAR
CONN CONN
CONN CONN
1.6
7.3
16
1.56
6.6
14.5
18.3
72
25.8
1.56
6.6
18.3
40.3
72
1.6
4.7
16.3
27.3
49
120
270
476
1.6
2.3
6.6
18.3
65
65
72
1.6
4.1
5.2
26.5
72
72
160
1.6
12
15
.4
1.83
4
.39
1.65
3.63
4.58
18
6.7
.39
1.65
4.58
10.08
18
.4
1.18
4.08
6.83
12.25
30
67.5
119
0.4
0.58
1.65
4.58
16.3
18
0.4
1.03
1.3
6.63
18
40
0.4
3
4
3.06:1
1.41:1
1:1
3.54:1
1.73:1
1.22:1
1:1
1:2
1:1
5:1
2.45:1
1:1.41
1:1
1:1.41
5:1
3.16:1
1.83:1
1.41:1
1:1
1:1.58
1:2.24
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
3.54:1
1.73:1
1:1
1:1
6.12:1
2.83:1
2:1
7.07:1
3.46:1
2.45:1
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
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
7.07:1
3.46:1
2:1
59.67
71.37
71.37
69.10
71.37
71.37
71.37
71.37
71.37
71.37
71.37
71.37
71.37
64.87
76.52
76.52
76.52
76.52
69.59
76.52
76.52
76.52
69.59
69.59
69.59
69.59
76.52
76.52
76.52
76.52
69.59
69.59
69.59
69.59
76.52
Secondary
DC
Resistance
Ohms
70050
70055
70060
70065
70070
70075
70080
70085
70090
70095
70100
70105
70110
70115
70120
70125
70130
70135
70140
70145
70150
70155
70160
70165
70170
70175
70180
70185
70190
70195
70200
70205
70210
70215
70220
70225
70230
70235
70240
80050
80055
80060
80065
80070
80075
80080
80085
80090
80095
80100
80105
80110
80115
80120
80125
80130
80135
80140
80145
80150
80155
80160
80165
80170
80175
80180
80185
80190
80195
80200
80205
80210
80215
80220
80225
80230
80235
80240
120ct
120ct
120ct
150ct
150ct
150ct
150ct
150ct
200ct
300ct
300ct
300ct
300ct
300ct
320ct
13.2
13.2
13.2
15
15
15
15
15
22
33
33
33
33
33
34
49
49
49
49
48
49
49
54
54
54
54
54
54
54
59
59
59
59
59
59
59
62
65
88
50ct 12.5
150ct 37.5
300ct 75
600ct 150
12.8ct 3.2
400ct 40ct
10
400ct 120ct 30
400ct 200ct 50
400ct 400ct 100
400ct 1000ct 250
400ct 2000ct 500
400ct 4000ct 1000
500ct 12.8ct 3.2
500ct 16ct
4
500ct 50ct 12.5
500ct
500ct
*500ct
500ct
600ct
150ct 37.5
500ct 125
500ct
600ct 150
12.8ct 3.2
7.5
12
50
150
600ct 30ct
600ct 48ct
600ct 200ct
600ct 600ct
*600ct 600ct
600ct 1200ct 300
640ct 12.8ct 3.2
700ct 100ct 25
800ct 12.8ct 3.2
1:1.41 1.41:1 69.59
7.07:1 14.14:1 69.59
2.65:1 5.29:1 69.59
7.9:1 15.8:1 76.52
70245
70250
70255
70260
70265
70270
70275
70280
70285
70290
70295
80245
80250
80255
80260
80265
80270
800ct
48ct
12
200
150
3
12.5
250
125
125
125
125
125
125
125
125
125
125
125
20
20
20
20
20
20
20
20
20
20
20
1.3
1.3
1.2
1.2
1.2
1.2
1.2
1
1
1
1
88
88
93
120
120
120
125
133
133
133
133
6.7
106
74
1.55
6.6
120
1.6
1.6
65
160
160
1.68
26.5
18.5
0.39
1.65
30
0.4
0.4
16.25
40
4.08:1
1:1
1.22:1
9.13:1
4.47:1
1:1
9.1:1
9.68:1
1.55:1
1:1
1:1
8.16:1
2:1
2.45:1
18.3:1
8.94:1
2:1
18.2:1
19.4:1
3.1:1
2:1
71.37
71.37
71.37
78.54
78.54
71.37
78.54
78.54
78.54
78.54
78.54
800ct 800ct
900ct 600ct
1000ct 12ct
1000ct 50ct
1000ct 1000ct
80275 1060ct
80280 1200ct
80285 1200ct
80290 1200ct
80295 *1200ct
12.8ct 3.2
12.8ct 3.2
500ct 125
1200ct 300
1200ct
Secondary
Impedence
Ohms
Split
Windings
Gull
J
Wing Lead
Prim
PICO PICO Imped
Part
Part
Ohms
Number Number
Primary
Unbal
DC
Current
1KHz 400Hz ma
SER PAR and
and
higher higher
3
125
3.2
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
100
100
100
100
100
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
15
15
15
15
15
1
1
1
1
1
0.8
0.8
0.8
0.8
0.75
0.65
0.65
0.6
0.57
0.57
0.57
0.57
0.5
0.5
.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.36
0.35
0.35
0.35
0.35
0.35
Power
Milliwatts
Prim
DC
Resist
Ohms
Turns/Ratio Pico
Prim/Sec Prices
19
***
SEC SEC (US $)
SER PAR
SER PAR
CONN CONN
CONN CONN
1.55
65
73
215
1.6
1
260
260
830
280
330
330
450
2.3
73
120
1070
65
650
6.6
12
72
280
1020
1.6
120
160
1160
1.6
1.77
12
27
65
72
120
160
215
260
650
1020
1200
1440
43
49
68
1100
1730
0.39
16.3
0.4
0.25
65
207.5
70
82.5
112.5
0.58
18.25
30
16.25
162.5
1.65
3
18
70
0.4
30
0.4
0.44
3
6.75
16.25
18
30
40
53.8
65
162.5
255
300
10.75
12.25
17
275
11.2:1
1.73:1
1.58:1
1:1
11.2:1
15.8:1
1:1
1:1
1:2
1:1
1:1
1:1
1:1
15.8:1
2.58:1
2:1
1:1.41
3.16:1
1:1
12.2:1
8.66:1
3.54:1
1.73:1
1:1
25:1
2.83:1
2.58:1
1:1
28:1
22.4:1
3.46:1
22.4:1
31.6:1
2.1:1
1:1
2:1
2:1
2:1
31.6:1
5.16:1
4:1
6.32:1
2:1
24.5:1
17.3:1
7.07:1
3.46:1
50:1
5.66:1
56:1
78.54
71.37
71.37
78.54
78.54
78.54
78.54
78.54
78.54
76.52
76.52
76.52
76.52
76.52
76.52
76.52
84.13
76.52
76.52
84.13
77.30
77.30
77.30
77.30
84.13
84.13
84.13
84.13
84.13
Secondary
DC
Resistance
Ohms
70300
70305
70310
70315
70320
70325
70330
70335
70340
70345
70350
70355
70360
70365
70370
70375
70380
70385
70390
70395
70400
70405
70410
70415
70420
70425
70430
70435
70440
70445
70450
70455
70460
70465
70470
70475
70480
70485
70490
70495
70500
70505
70510
70515
70520
70525
70530
80300
80305
80310
80315
80320
80325
80330
80335
80340
80345
80350
80355
80360
80365
80370
80375
80380
80385
80390
80395
80400
80405
80410
80415
80420
80425
80430
80435
80440
80445
80450
80455
80460
80465
80470
80475
80480
80485
80490
1500ct
12ct
1500ct
500ct
*1500ct 600ct
*1500ct 1500ct
1600ct 12.8ct
180
180
180
180
190
218
218
218
218
280
330
330
370
400
400
400
400
540
540
835
835
835
835
835
865
865
865
1160
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1420
1420
1420
1420
1420
2000ct
8ct
2
2000ct 2000ct 500
*2000ct 2000ct
2000ct 8000ct 2000
2500ct
3000ct
*3000ct
3600ct
4000ct
2500ct
3000ct
3000ct
3600ct
16ct
625
725
900
4
4000ct
600ct 150
4000ct 1000ct 250
*4000ct 8000ct
5000ct
500ct 125
5000ct 5000ct 1250
7500ct
50ct 12.5
7500ct
100ct
25
7500ct
600ct 150
7500ct 2500ct 625
*7500ct 7500ct
8000ct 12.8ct
8000ct 1000ct
*8000ct 1200ct
*9000ct 9000ct
10,000ct 12.8ct
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
16ct
100ct
200ct
500ct
600ct
3.2
250
3.2
4
25
50
125
150
25:1
50:1 77.30
10:1
20:1 77.30
7.07:1 14.14:1 77.30
4.47:1 8.94:1 77.30
4.08:1 8.16:1 77.30
3.16:1
2.88:1
2.58:1
2.24:1
1.41:1
6.32:1
5.77:1
5.16:1
4.47:1
2.83:1
77.30
77.30
78.54
78.54
78.54
1000ct 250
1200ct 300
1500ct 375
2000ct 500
5000ct 1250
1875
2500
100
125
80495 10,000ct 7500ct
80500 10,000ct 10,000ct
80505 *10,000ct 10,000ct
80510 15,000ct 400ct
80515 15,000ct 500ct
1.15:1 2.3:1 78.54
1:1
2:1
71.37
1:1
84.13
6.12:1 12.24:1 77.30
5.48:1 10.95:1 77.30
5:1
1.22:1
1:1
10:1
2.45:1
77.30
77.30
84.13
80520 15,000ct 600ct 150
80525 15,000ct 10,000ct 2500
80530 *15,000ct 15,000ct
70535
70540
80535
80540
15,000ct 15,000ct 3750
16,000ct 1000ct 250
Secondary
Impedence
Ohms
Split
Windings
100
100
15
15
0.35
0.35
1420
1500
1730
115
433
28.75
1:1
4:1
2:1
8:1
78.54
78.54
Gull
J
Wing Lead Prim
PICO PICO Imped
Part
Part Ohms
Number Number
Primary
Unbal
DC
Current
1KHz 400Hz ma
SER PAR and
and
higher higher
500ct
600ct
800ct
1000ct
5000ct
10,000ct
125
150
200
250
1250
2500
100
100
100
100
100
100
15
15
15
15
15
15
0.3
0.3
0.3
0.3
0.3
0.3
Power
Milliwatts
Prim
DC
Resist
Ohms
Turns/Ratio Pico
Prim/Sec Prices
19
***
SEC SEC (US $)
SER PAR
SER PAR
CONN CONN
CONN CONN
60
66
94
106
600
1100
15
16.5
23.5
26.5
150
275
6.33:1 12.65:1 84.13
5.77:1 11.55:1 84.13
5:1
10:1 84.13
4.47:1 8.94:1 84.13
2:1
4:1
84.13
1.41:1 2.83:1 84.13
Secondary
DC
Resistance
Ohms
70545
70550
70555
70560
70565
70570
80545
80550
80555
80560
80565
80570
20,000ct
20,000ct
20,000ct
20,000ct
20,000ct
20,000ct
1600
1600
1600
1600
1600
1600
* Includes Electrostatic Shield
INDUCTORS
All Inductors have split windings and measurements are listed for both series and parrallel
connections.
Two values of inductance, each at a particular value of D.C. current are listed for each
inductor.
Part
Number
Part
Number
DC
DC
CURRENT Resistance
ma
OHMS
0
2250
2
0
560
4
0
1000
2
0
250
4
1
240
6
2
60
12
0
144
5
0
36
10
Ordering Instructions:
Prices 19***
(US $)
Inductance
Series
10.0
2.75
2.5
.65
5.5
1.5
1.3
.40
.85
.25
.21
.06
.6
.15
.15
.04
70825
80825
Parallel
Series
67.92
70830
80830
Parallel
Series
67.92
70835
80835
Parallel
Series
67.92
70840
80840
Parallel
67.92
**Discount Prices:
19 Net;
1024 less 10%;
2549 less 16%;
5099 less 23%;
100499 less 30%
No minimum.
Net 30 days F.O.B. Pelham, NY
Deliverystock to one week for sample
orders.
FEATURES
Extreme resistance to thermal shockUltra Miniature size
PICO is approved QPL source (MILPRF27)
Magnetic shield designs available
Electrostatic shielding can be added
Variation of standards designs available
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
Schematics for Transformers
with Split Secondaries
Schematics for Transformers
with Electrostatic Shield
Schematics for Inductors
½ ½
RECOMMENDED LAND PATTERN
DIMENSIONS
RECOMMENDED LAND PATTERN
DIMENSIONS
Click Here For Plugin Version of the 70000 and 80000 Series
For immediate engineering assistance or to place an order:
Call Toll Free: 8004311064
PICO Electronics, Inc.
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