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Ultra Miniature Transformers

F Series Thru Hole and
G Series Insulated Leads

(.25"dia. x .25"ht.)

 

 

Specifications
  • MIL-PRF-27: All units manufactured to MIL-PRF-27, Grade 5, Class S.
  • FREQUENCY RESPONSE:±3db, 400 Hz - 250 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: 1.1 Grams.
  • OPERATING TEMPERATURE: -55º C to +130º C.
  • TERMINALS: Solid .012 Diameter Conductor, Solderability per MIL-STD-202 Method 208.
  • THERMAL SHOCK: 25 Cycles, Method 107D, MIL-STD-202E, Test Condition A-1.

 

Larger size drawing
of F Series


 

Larger size drawing
of G Series

 

Click here for Surface Mount versions of these units.

 

 

 

Ultra Miniature Transformers:
F Series Thru Hole and G Series Insulated Leads

Part
Number
Prim.
Imped.
Ohms
Sec.
Imped.
Ohms
Split
Windings
Power
Miliwatts
Prim.
Unbal.
DC
Curr.
ma
Prim.
DC
Resist.
Ohms
Sec.
DC
Resist.
Ohms
Turns Ratio
Prim/Sec.
Prices
1-9***

(US $)
F
Series
Thru Hole
G
Series
Insul.
Leads
SER
PAR
1
KHz
and

higher
400
Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
F
Ser.
G
Ser.
F-28003
F-28005
F-28010
F-28015
F-28020
G-29003
G-29005
G-29010
G-29015
G-29020
10ct
20ct
20ct
32ct
40ct
10ct
8ct
20ct
32ct
40ct
2.5
2
5
8
10
125
125
125
125
125
20
20
20
20
20
11.5
8
8
6.5
5.6
1.1
2.1
2.1
3.52
4
1.35
1.28
2.56
4.32
4.77
.34
.32
.64
1.08
1.19
1:1
1.58:1
1:1
1:1
1:1
2:1
3.16:1
2:1
2:1
2:1
66.91
66.91
66.91
66.91
66.91
63.63
63.63
63.63
63.63
63.63

 

 

Ultra Miniature Transformers:
F Series Thru Hole and G Series Insulated Leads

Part
Number
Prim.
Imped.
Ohms
Sec.
Imped.
Ohms
Split
Windings
Power
Miliwatts
Prim.
Unbal.
DC
Curr.
ma
Prim.
DC
Resist.
Ohms
Sec.
DC
Resist.
Ohms
Turns Ratio
Prim/Sec.
Prices
1-9***

(US $)
F
Series
Thru Hole
G
Series
Insul.
Leads
SER
PAR
1
KHz
and

higher
400
Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
F
Ser.
G
Ser.
F-28025
F-28030
F-28035
F-28040
F-28045
G-29025
G-29030
G-29035
G-29040
G-29045
48ct
50ct
80ct
100ct
100ct
16ct
50ct
32ct
40ct
100ct
4
12.5
8
10
25
125
125
125
125
125
20
20
20
20
20
5.2
5
4
3.6
3.6
4.3
5.5
8.5
12.1
12.1
2.3
6.6
4.25
4.85
12
.58
1.65
1.06
1.21
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
60.84
60.84
66.40
66.40
60.84
57.88
57.88
57.88
57.88
57.88
F-28050
F-28055
F-28060
F-28065
F-28070
G-29050
G-29055
G-29060
G-29065
G-29070
120ct
120ct
120ct
150ct
150ct
12.8ct
60ct
120ct
12ct
50ct
3.2
15
30
3
12.5
125
125
125
125
125
20
20
20
20
20
3.3
3.3
3.3
3
3
13.2
13.2
13.2
15
15
1.6
7.3
16
1.56
6.6
.4
1.83
4
.39
1.65
3.06:1
1.41:1
1:1
3.54:1
1.73:1
6.12:1
2.83:1
2:1
7.07:1
3.46:1
60.84
72.69
72.69
66.06
72.69
57.88
69.04
69.04
62.89
69.04
F-28075
F-28080
F-28085
F-28090
F-28095
G-29075
G-29080
G-29085
G-29090
G-29095
150ct
150ct
150ct
200ct
300ct
100ct
150ct
600ct
200ct
12ct
25
37.5
150
50
3
125
125
125
125
125
20
20
20
20
20
3
3
3
2.5
2
15
15
15
22
33
14.5
18.3
72
26.8
1.56
3.63
4.58
18
6.7
.39
1.22:1
1:1
1:2
1:1
5:1
2.45:1
2:1
1:1
2:1
10:1
72.69
72.69
72.69
72.69
72.69
69.03
69.03
69.03
69.03
69.03
F-28100
F-28105
F-28110
F-28115
F-28120
G-29100
G-29105
G-29110
G-29115
G-29120
300ct
300ct
300ct
300ct
320ct
50ct
150ct
300ct
600ct
12.8ct
12.5
37.5
75
150
3.2
125
125
125
125
125
20
20
20
20
20
2
2
2
2
2
33
33
33
33
34
6.6
18.3
40.3
72
1.6
1.65
4.58
10.08
18
0.4
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
72.69
72.69
72.69
77.97
77.92
69.03
69.03
69.03
62.89
74.02
F-28125
F-28130
F-28135
F-28140
F-28145
G-29125
G-29130
G-29135
G-29140
G-29145
400ct
400ct
400ct
400ct
400ct
40ct
120ct
200ct
400ct
1000ct
10
30
50
100
250
125
125
125
125
125
20
20
20
20
20
1.8
1.8
1.8
1.8
1.8
49
49
49
49
49
4.7
16.3
27.3
49
120
1.18
4.08
6.83
12.25
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
77.97
77.97
77.97
70.85
77.97
74.02
74.02
74.02
67.45
74.02
F-28150
F-28155
F-28160
F-28165
F-28170
G-29150
G-29155
G-29160
G-29165
G-29170
400ct
400ct
500ct
500ct
500ct
2000ct
4000ct
12.8ct
16ct
50ct
500
1000
3.2
4
12.5
125
125
125
125
125
20
20
20
20
20
1.8
1.8
1.6
1.6
1.6
49
49
54
54
54
270
476
1.6
2.3
6.6
67.5
119
0.4
0.58
1.65
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
77.97
77.97
70.85
70.85
70.85
74.02
74.02
67.45
67.45
67.45
F-28175
F-28180
F-28185
F-28190
F-28195
G-29175
G-29180
G-29185
G-29190
G-29195
500ct
500ct
*500ct
500ct
600ct
150ct
500ct
500ct
600ct
12.8ct
37.5
125
-
150
3.2
125
125
125
125
125
20
20
20
20
20
1.6
1.6
1.6
1.6
1.5
54
54
54
54
59
18.3
65
65
72
1.6
4.58
16.3
-
18
0.4
1.83:1
1:1
1:1
1:1.1
6.85:1
3.65:1
2:1
-
1.83:1
13.7:1
70.85
77.97
77.97
77.97
77.97
67.45
74.02
74.02
74.02
74.02
F-28200
F-28205
F-28210
F-28215
F-28220
G-29200
G-29205
G-29210
G-29215
G-29220
600ct
600ct
600ct
600ct
*600ct
30ct
48ct
200ct
600ct
600ct
7.5
12
50
150
-
125
125
125
125
125
20
20
20
20
20
1.5
1.5
1.5
1.5
1.5
59
59
59
59
59
4.1
5.2
26.5
72
72
1.03
1.3
6.63
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
-
70.85
70.85
70.85
70.85
77.97
67.45
67.45
67.45
67.45
74.02
F-28225
F-28230
F-28235
F-28240
F-28245
G-29225
G-29230
G-29235
G-29240
G-29245
600ct
640ct
700ct
800ct
800ct
1200ct
12.8ct
100ct
12.8ct
48ct
300
3.2
25
3.2
12
125
125
125
125
125
20
20
20
20
20
1.5
1.5
1.35
1.3
1.3
59
62
65
88
88
160
1.6
12
16
6.7
40
0.4
3
4
1.68
1:1.41
7.07:1
2.65:1
7.9:1
4.08:1
1.41:1
14.14:1
5.29:1
15.8:1
8.16:1
70.85
70.85
70.85
77.97
72.69
67.45
67.45
67.45
74.02
67.45
F-28250
F-28255
F-28260
F-28265
F-28270
G-29250
G-29255
G-29260
G-29265
G-29270
800ct
900ct
1000ct
1000ct
1000ct
800ct
600ct
12ct
50ct
1000ct
200
150
3
12.5
250
125
125
125
125
125
20
20
20
20
20
1.3
1.2
1.2
1.2
1.2
88
93
120
120
120
106
74
1.55
6.6
120
26.5
18.5
0.39
1.65
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
72.69
72.69
80.04
80.04
72.69
67.45
67.45
75.97
75.97
67.45

 

 

Ultra Miniature Transformers:
F Series Thru Hole and G Series Insulated Leads

Part
Number
Prim.
Imped.
Ohms
Sec.
Imped.
Ohms
Split
Windings
Power
Miliwatts
Prim.
Unbal.
DC
Curr.
ma
Prim.
DC
Resist.
Ohms
Sec.
DC
Resist.
Ohms
Turns Ratio
Prim/Sec.
Prices
1-9***

(US $)
F
Series
Thru Hole
G
Series
Insul.
Leads
SER
PAR
1
KHz
and

higher
400
Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
F
Ser.
G
Ser.
F-28275
F-28280
F-28285
F-28290
F-28295
G-29275
G-29280
G-29285
G-29290
G-29295
1060ct
1200ct
1200ct
1200ct
*1200ct
12.8ct
12.8ct
500ct
1200ct
1200ct
3.2
3.2
125
300
-
125
125
125
125
125
20
20
20
20
20
1.2
1
1
1
1
125
133
133
133
133
1.6
1.6
65
160
160
0.4
0.4
16.25
40
-
9.1:1
9.68:1
1.55:1
1:1
1:1
18.2:1
19.4:1
3.1:1
2:1
-
80.04
80.04
80.04
80.04
80.04
75.97
75.97
75.97
75.97
75.97
F-28300
F-28305
F-28310
F-28315
F-28320
G-29300
G-29305
G-29310
G-29315
G-29320
1500ct
1500ct
*1500ct
*1500ct
1600ct
12ct
500ct
600ct
1500ct
12.8ct
3
125
-
-
3.2
125
125
125
125
125
20
20
20
20
20
1
1
1
1
1
180
180
180
180
190
1.55
65
73
215
1.6
0.39
16.31
-
-
0.4
11.2:1
1.73:1
1.58:1
1:1
11.2:1
22.4:1
3.46:1
-
-
22.4:1
80.04
72.69
72.69
80.04
80.04
75.97
67.45
67.45
75.97
75.97
F-28325
F-28330
F-28335
F-28340
G-29325
G-29330
G-29335
G-29340
2000ct
2000ct
*2000ct
2000ct
8ct
2000ct
2000ct
8000ct
2
500
-
2000
125
125
125
125
20
20
20
20
0.8
0.8
0.8
0.8
218
218
218
218
1
260
260
830
0.25
65
-
207.5
15.8:1
1:1
1:1
1:2
31.6:1
2:1
-
1:1
80.04
80.04
80.04
77.97
75.97
75.97
75.97
74.22
F-28345
F-28350
F-28355
F-28360
F-28365
G-29345
G-29350
G-29355
G-29360
G-29365
2500ct
3000ct
*3000ct
3600ct
4000ct
2500ct
3000ct
3000ct
3600ct
16ct
625
725
-
900
4
125
125
125
125
125
20
20
20
20
20
0.75
0.65
0.65
0.6
0.57
280
330
330
370
400
280
330
330
450
2.3
70
82.5
-
112.5
0.58
1:1
1:1
1:1
1:1
15.8:1
2:1
2:1
-
2:1
31.6:1
77.97
77.97
80.04
77.97
77.97
74.22
74.22
75.97
74.22
74.22
F-28370
F-28375
F-28380
F-28385
F-28390
G-29370
G-29375
G-29380
G-29385
G-29390
4000ct
4000ct
*4000ct
5000ct
5000ct
600ct
1000ct
8000ct
500ct
5000ct
150
250
-
125
1250
125
125
125
125
125
20
20
20
20
20
0.57
0.57
0.57
0.5
0.5
400
400
400
540
540
73
120
1070
65
650
18.25
30
-
16.25
162.5
2.58:1
2:1
1:1.41
3.16:1
1:1
5.16:1
4:1
-
6.32:1
2:1
77.97
77.97
85.79
77.97
85.79
74.22
74.22
81.48
74.22
81.48
F-28395
F-28400
F-28405
F-28410
F-28415
G-29395
G-29400
G-29405
G-29410
G-29415
7500ct
7500ct
7500ct
7500ct
*7500ct
50ct
100ct
600ct
2500ct
7500ct
12.5
25
150
625
-
125
125
125
125
125
20
20
20
20
20
0.5
0.4
0.4
0.4
0.4
835
835
835
835
835
6.6
12
72
280
1020
1.65
3
18
70
-
12.2:1
8.66:1
3.54:1
1.73:1
1:1
24.5:1
17.3:1
7.07:1
3.46:1
-
85.79
79.81
79.81
79.81
79.81
81.48
75.97
75.97
75.97
75.97
F-28420
F-28425
F-28430
F-28435
F-28440
G-29420
G-29425
G-29430
G-29435
G-29440
8000ct
8000ct
*8000ct
*9000ct
10,000ct
12.8ct
1000ct
1200ct
9000ct
12.8ct
3.2
250
-
-
3.2
125
125
125
125
125
20
20
20
20
20
0.4
0.4
0.4
0.4
0.36
865
865
865
1160
1200
1.6
120
160
1160
1.6
0.4
30
-
-
0.4
25:1
2.83:1
2.58:1
1:1
28:1
50:1
5.66:1
-
-
56:1
85.79
85.79
85.79
85.79
85.79
81.48
81.48
81.48
81.48
81.48
F-28445
F-28450
F-28455
F-28460
F-28465
G-29445
G-29450
G-29455
G-29460
G-29465
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
16ct
100ct
200ct
500ct
600ct
4
25
50
125
150
125
125
125
125
125
20
20
20
20
20
0.36
0.36
0.36
0.36
0.36
1200
1200
1200
1200
1200
1.77
12
27
65
72
0.44
3
6.75
16.25
18
25:1
10:1
7.07:1
4.47:1
4.08:1
50:1
20:1
14.14:1
8.94:1
8.16:1
79.81
79.81
79.81
79.81
79.81
75.97
75.97
75.97
75.97
75.97
F-28470
F-28475
F-28480
F-28485
F-28490
G-29470
G-29475
G-29480
G-29485
G-29490
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
1000ct
1200ct
1500ct
2000ct
5000ct
250
300
375
500
1250
125
125
125
125
125
20
20
20
20
20
0.36
0.36
0.36
0.36
0.36
1200
1200
1200
1200
1200
120
160
215
260
650
30
40
53.8
65
162.5
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
79.81
79.81
85.78
79.81
79.81
75.97
75.97
81.49
75.97
75.97
F-28495
F-28500
F-28505
F-28510
F-28515
G-29495
G-29500
G-29505
G-29510
G-29515
10,000ct
10,000ct
*10,000ct
15,000ct
15,000ct
7500ct
10,000ct
10,000ct
400ct
500ct
1875
2500
-
100
125
125
125
125
100
100
20
20
20
15
15
0.36
0.36
0.36
0.35
0.35
1200
1200
1200
1420
1420
1020
1200
1440
43
49
255
300
-
10.75
12.25
1.15:1
1:1
1:1
6.12:1
5.48:1
2.3:1
2:1
-
12.24:1
10.95:1
79.81
72.69
85.79
79.81
79.81
75.97
67.44
81.48
75.97
75.97

 

 

Ultra Miniature Transformers:
F Series Thru Hole and G Series Insulated Leads

Part
Number
Prim.
Imped.
Ohms
Sec.
Imped.
Ohms
Split
Windings
Power
Miliwatts
Prim.
Unbal.
DC
Curr.
ma
Prim.
DC
Resist.
Ohms
Sec.
DC
Resist.
Ohms
Turns Ratio
Prim/Sec.
Prices
1-9***

(US $)
F
Series
Thru Hole
G
Series
Insul.
Leads
SER
PAR
1
KHz
and

higher
400
Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
F
Ser.
G
Ser.
F-28520
F-28525
F-28530
F-28535
F-28540
G-29520
G-29525
G-29530
G-29535
G-29540
15,000ct
15,000ct
*15,000ct
15,000ct
16,000ct
600ct
10,000ct
15,000ct
15,000ct
1000ct
150
2500
-
3750
250
100
100
100
100
100
15
15
15
15
15
0.35
0.35
0.35
0.35
0.35
1420
1420
1420
1420
1500
68
1100
1730
1730
115
17
275
-
433
28.75
5:1
1.22:1
1:1
1:1
4:1
10:1
2.45:1
-
2:1
8:1
79.81
79.81
85.79
79.81
79.81
75.97
75.97
81.97
75.97
75.97
F-28545
F-28550
F-28555
F-28560
G-29545
G-29550
G-29555
G-29560
20,000ct
20,000ct
20,000ct
20,000ct
500ct
600ct
800ct
1000ct
125
150
200
250
100
100
100
100
15
15
15
15
0.3
0.3
0.3
0.3
1600
1600
1600
1600
60
66
94
106
15
16.5
23.5
26.5
6.33:1
5.77:1
5:1
4.47:1
12.65:1
11.55:1
10:1
8.94:1
85.79
85.79
85.79
85.79
81.48
81.48
81.48
81.48
F-28565
F-28570
G-29565
G-29570
20,000ct
20,000ct
5000ct
10,000ct
1250
2500
100
100
15
15
0.3
0.3
1600
1600
600
1100
150
275
2:1
1.41:1
4:1
2.83:1
85.79
85.79
81.48
81.48
F-SHIELD: MU-METAL SHIELD .285" d x .268" h (7.24 mm d x 6.73 mm h) SINGLE SHIELD
FYY-SHIELD: MU-METAL SHIELD .315" d x .275" h (8.0 mm d x 6.99 mm h) USE WITH F-SHIELD FOR DOUBLE SHIELDING

8.47
8.47

 
G-SHIELD: MU-METAL SHIELD .285" d x .335" h (7.24 mm d x 8.51 mm h) SINGLE SHIELD
GYY-SHIELD: MU-METAL SHIELD .315" d x .40" h (8.0 mm d x 10.16 mm h) USE WITH G-SHIELD FOR DOUBLE SHIELDING
GXX-SHIELD: MU-METAL SHIELD .35" d x .465" h (8.89 mm d x 11.81 mm h) USE WITH G-SHIELD AND GYY SHIELD FOR TRIPLE SHIELDING
8.47
8.47
8.47

Click Here for Surface Mount Version of These Series

 

*Includes Electrostatic Shield
**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)
  • 5 Magnetic Shields available
  • Electrostatic shielding can be added.
  • Special production techniques ensure uniform size and leads which are free of encapsulant. No meniscus in lead area.
  • Variation of standard designs available
  • Every unit can be made with a 300 thermal cycle guarantee using PICO's special SR construction. Contact factory for details.

 

 

 

INDUCTORS

PART NUMBERS
INDUCTANCE
HENRIES
DC
CURRENT
ma
DC
RESISTANCE
OHMS
PRICE 1-9*** (US $)
F-SERIES
G-SERIES
F-SERIES
G-SERIES
F-5825
G-6125
SERIES: 10.0
2.75

PARALLEL: 2.5
.65
0
2

0
4
2250


560

66.06
62.89
F-5830
G-6130
SERIES 5.5
1.5

PARALLEL 1.3
.40
0
2

0
4
1000


250

66.06
62.89
F-5835
G-6135
SERIES .85
.25

PARALLEL .21
.06
1
6

2
12
240


60

66.06
62.89
F-5840
G-6140
SERIES .60
.15

PARALLEL .15
.04
0
5


0
10

144


36

66.06
62.89

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 DC Current, are listed for each inductor.

 

Delivery - stock to one week for sample orders.


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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