PDF version

 

Ultra Miniature Transformers

T Series Thru Hole

 

 

Specifications:
  • MIL-PRF-27: All units manufactured to MIL-PRF-27, Grade 5, Class S.
  • FREQUENCY RESPONSE:±3db, 20 Hz - 25 KHz at 1.0 Milliwatt.
  • MAXIMUM DISTORTION: 5% With Rated Power Level at 1 KHz and 300 Hz. 10% Distortion at 20 Hz.
  • DIELECTRIC STRENGTH: All Units Tested at 200 V RMS.
  • INSULATION RESISTANCE: Greater Than 10,000 Megohms at 300 V DC.
  • WEIGHT: 28 Grams.
  • OPERATING TEMPERATURE: -55º C to +130º C. TERMINALS: Solid .020 Diameter Conductor. Solderability per MIL-STD-202 Method 208.
  • THERMAL SHOCK: 25 Cycles, Method 107, MIL-STD-202, Test Condition -55º C to +130º C.

 

For Surface Mount Versions of this series click here

 


 

Larger size drawing of T Series

 

 

 

 

Ultra Miniature Transformers:
T Series

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

(US $)
SER
PAR
1 KHz
and

higher
300 Hz
and

higher
20 Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
T-22003
T-22005
T-22010
T-22015
T-22018
20ct
20ct
32ct
40ct
48ct
8ct
20ct
32ct
40ct
16ct
2
5
8
10
4
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
22
22
17.5
16
14.5
1.6
1.6
2.56
3.2
3.84
.8
2
3.2
4
1.6
.2
.5
.8
1
.4
1.58:1
1:1
1:1
1:1
1.73:1
3.16:1
2:1
2:1
2:1
3.46:1
74.21
74.21
74.21
74.21
74.21
T-22020
T-22025
T-22028
T-22030
T-22035
50ct
80ct
100ct
100ct
120ct
50ct
32ct
40ct
100ct
12.8ct
12.5
8
10
25
3.2
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
14
11
10
10
9
4
6.4
8
8
9.6
5
3.2
4
10
1.3
1.25
.8
1
2.5
.32
1:1
1.58:1
1.58:1
1:1
3.06:1
2:1
3.16:1
3.16:1
2:1
26.12:1
74.21
74.21
74.21
74.21
74.21

 

 

 

Ultra Miniature Transformers:
T Series

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

(US $)
SER
PAR
1 KHz
and

higher
300 Hz
and

higher
20 Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
T-22040
T-22045
T-22050
T-22055
T-22060
120ct
120ct
150ct
150ct
150ct
60ct
120ct
12ct
50ct
100ct
15
30
3
12.5
25
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
9
9
8
8
8
9.6
9.6
12
12
12
6
12
1.2
5
10
1.5
3
.3
1.25
2.5
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
74.21
74.21
74.21
74.21
74.21
T-22065
T-22070
T-22075
T-22080
T-22085
150ct
150ct
200ct
300ct
300ct
150ct
600ct
200ct
12ct
50ct
37.5
150
50
3
12.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
8
8
7
5.5
5.5
12
12
16
24
24
15
60
20
1.2
5
3.75
15
5
.3
1.25
1:1
1:2
1:1
5:1
2.45:1
2:1
1:1
2:1
10:1
4.9:1
74.21
74.21
74.21
74.21
74.21
T-22090
T-22095
T-22100
T-22105
T-22110
300ct
300ct
300ct
320ct
400ct
150ct
300ct
600ct
12.8ct
40ct
37.5
75
150
3.2
10
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
5.5
5.5
5.5
5.5
5
24
24
24
25.6
32
15
30
60
1.3
4
3.75
7.5
15
.32
1
1.41:1
1:1
1:1.41
5:1
3.16:1
2.83:1
2:1
1.41:1
10:1
16.32:1
74.21
74.21
74.21
74.21
74.21
T-22115
T-22120
T-22125
T-22130
T-22135
400ct
400ct
400ct
400ct
400ct
120ct
200ct
400ct
1000ct
2000ct
30
50
100
250
500
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
5
5
5
5
5
32
32
32
32
32
12
20
40
100
200
3
5
10
25
50
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
74.21
74.21
74.21
74.21
74.21
T-22140
T-22142
T-22144
T-22145
T-22147
400ct
500ct
500ct
500ct
500ct
4000ct
12.8ct
16ct
50ct
150ct
1000
3.2
4
12.5
37.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
5
4.5
4.5
4.5
4.5
32
40
40
40
40
400
1.3
1.6
5
15
100
.32
.4
1.25
3.75
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
74.21
74.21
74.21
74.21
74.21
T-22150
T-22155
T-22160
T-22165
T-22167
500ct
*500ct
500ct
600ct
600ct
500ct
500ct
600ct
12.8ct
30ct
125
-
150
3.2
7.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
4.5
4.5
4.5
4
4
40
40
40
48
48
50
50
60
1.3
3
12.5
-
15
.32
.75
1:1
1:1
1:1.1
6.85:1
4.47:1
2:1
-
1.83:1
13.7:1
8.94:1
74.21
77.33
74.21
74.21
74.21
T-22170
T-22175
T-22180**
T-22185**
T-22186**
600ct
600ct
600ct
*600ct
*600ct
48ct
200ct
600ct
600ct
900ct
12
50
150
-
-
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
4
4
4
4
4
48
48
48
48
48
4.8
20
60
60
90
1.2
5
15
-
-
3.54:1
1.73:1
1:1
1:1
1:1.22
7.07:1
3.46:1
2:1
-
-
74.21
74.21
74.21
77.33
77.33
T-22187**
T-22190
T-22195
T-22200
T-22205
600ct
640ct
700ct
800ct
800ct
1200ct
12.8ct
100ct
12.8ct
48ct
300
3.2
25
3.2
12
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
4
4
3.5
3.5
3.5
48
51
56
64
64
120
1.3
10
1.3
4.8
30
.32
2.5
.32
1.2
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
74.21
74.21
74.21
74.21
74.21
T-22210
T-22215
T-22217**
T-22220
T-22225
800ct
900ct
*900ct
1000ct
1000ct
800ct
600ct
900ct
12ct
50ct
200
150
-
3
12.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
3.5
3
3
3
3
64
72
72
80
80
80
60
90
1.2
5
20
15
-
.3
1.25
1:1
1.22:1
1:1
9.13:1
4.47:1
2:1
2.45:1
-
18.26:1
8.94:1
74.21
74.21
77.33
74.21
74.21
T-22230
T-22235
T-22240
T-22245
T-22250
1000ct
1060ct
1200ct
1200ct
1200ct
1000ct
12.8ct
12.8ct
500ct
1200ct
250
3.2
3.2
125
300
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
3
3
3
3
3
80
85
96
96
96
100
1.3
1.3
50
120
25
.32
.32
12.5
30
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
74.21
74.21
74.21
74.21
74.21

 

 

Ultra Miniature Transformers:
T Series

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

(US $)
SER
PAR
1 KHz
and

higher
300 Hz
and

higher
20 Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
T-22255
T-22260
T-22265
T-22270
T-22275
*1200ct
1500ct
1500ct
*1500ct
*1500ct
1200ct
12ct
500ct
600ct
1500ct
-
3
125
-
-
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
3
2.5
2.5
2.5
2.5
96
120
120
120
120
120
1.2
50
60
150
-
.3
12.5
-
-
1:1
11.18:1
1.73:1
1.58:1
1:1
-
22.36:1
3.46:1
-
-
77.33
74.21
74.21
77.33
77.33
T-22280
T-22283
T-22285
T-22290
T-22295
1600ct
2000ct
2000ct
*2000ct
2000ct
12.8ct
8ct
2000ct
2000ct
8000ct
3.2
2
500
-
2000
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
2.5
2.2
2.2
2.2
2.2
128
160
160
160
160
1.3
.8
200
200
800
.32
.2
50
-
200
11.18:1
15.8:1
1:1
1:1
1:2
22.36:1
31.6:1
2:1
-
1:1
74.21
74.21
74.21
77.33
74.21
T-22297
T-22300
T-22305
2500ct
3000ct
*3000ct
2500ct
3000ct
3000ct
625
750
-
3.0
3.0
3.0
2.0
2.0
2.0
.006
.006
.006
2
1.8
1.8
200
240
240
250
300
300
63
75
-
1:1
1:1
1:1
2:1
2:1
-
74.21
74.21
77.33
T-22310
T-22312
T-22314**
T-22315
T-22320
3600ct
4000ct
4000ct
4000ct
*4000ct
3600ct
16ct
600ct
1000ct
8000ct
900
4
150
250
-
2.7
2.5
2.5
2.5
2.5
2.0
2.0
2.0
2.0
2.0
.006
.006
.006
.006
.006
1.7
1.6
1.6
1.6
1.6
288
320
320
320
320
360
1.6
60
100
800
90
.4
15
25
-
1:1
15.8:1
2.58:1
2:1
1:1.41
2:1
31.6:1
5.16:1
4:1
-
74.21
74.21
74.21
74.21
77.33
T-22325
T-22330
T-22335
T-22340
T-22345
5000ct
5000ct
7500ct
7500ct
7500ct
500ct
5000ct
50ct
100ct
600ct
125
1250
12.5
25
150
2.0
2.0
1.3
1.3
1.3
2.0
2.0
1.3
1.3
1.3
.006
.006
.006
.006
.006
1.4
1.4
1.2
1.2
1.2
400
400
600
600
600
50
500
5
10
60
12.5
125
1.25
2.5
15
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
74.43
74.43
82.30
82.30
82.30
T-22350
T-22355
T-22360
T-22365
T-22370
7500ct
*7500ct
8000ct
8000ct
*8000ct
2500ct
7500ct
12.8ct
1000ct
1200ct
625
-
3.2
250
-
1.3
1.3
1.2
1.2
1.2
1.3
1.3
1.2
1.2
1.2
.006
.006
.006
.006
.006
1.2
1.2
1.1
1.1
1.1
600
600
640
640
640
250
750
1.3
100
120
63
-
.32
25
-
1.73:1
1:1
25:1
2.83:1
2.58:1
3.46:1
-
50:1
5.66:1
-
82.30
88.24
82.30
82.30
88.24
T-22375
T-22380
T-22385
T-22390
T-22395
*9000ct
10,000ct
10,000ct
10,000ct
10,000ct
9000ct
12.8ct
16ct
100ct
200ct
-
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
.006
.006
.006
.006
.006
1.1
1
1
1
1
720
800
800
800
800
900
1.3
1.6
10
20
-
.32
.4
2.5
5
1:1
28:1
25:1
10:1
7.07:1
-
56:1
50:1
20:1
14.14:1
88.24
82.30
82.30
82.30
82.30
T-22400
T-22405
T-22410
T-22415
T-22420
10,000ct
10,000ct
10,000ct
10,000ct
10,000ct
500ct
600ct
1000ct
1200ct
1500ct
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
.006
.006
.006
.006
.006
1
1
1
1
1
800
800
800
800
800
50
60
100
120
150
12.5
15
25
30
38
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
82.30
82.30
82.30
82.30
82.30
T-22425
T-22430
T-22435
T-22440
T-22445
10,000ct
10,000ct
10,000ct
10,000ct
*10,000ct
2000ct
5000ct
7500ct
10,000ct
10,000ct
500
1250
1875
2500
-
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
.006
.006
.006
.006
.006
1
1
1
1
1
800
800
800
800
800
200
500
750
1000
1000
50
125
188
250
-
2.24:1
1.41:1
1.16:1
1:1
1:1
4.47:1
2.83:1
2.31:1
2:1
-
82.30
82.30
82.30
82.30
88.24
T-22450
T-22452
T-22455
T-22460
T-22465
15,000ct
15,000ct
15,000ct
15,000ct
*15,000ct
400ct
500ct
600ct
10,000ct
15,000ct
100
125
150
2500
-
.66
.66
.66
.66
.66
.66
.66
.66
.66
.66
.006
.006
.006
.006
.006
.8
.8
.8
.8
.8
1200
1200
1200
1200
1200
40
50
60
1000
1500
10
12.5
15
250
-
6.12:1
5.48:1
5:1
1.22:1
1:1
12.25:1
10.95:1
10:1
2.45:1
-
82.30
82.30
82.30
82.30
88.24

 

 

Ultra Miniature Transformers:
T Series

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

(US $)
SER
PAR
1 KHz
and

higher
300 Hz
and

higher
20 Hz
and

higher
Ser
Conn
Par
Conn
Sec
Ser
Conn
Sec
Par
Conn
T-22470
T-22475
T-22480
T-22485
T-22490
15,000ct
16,000ct
20,000ct
20,000ct
20,000ct
15,000ct
1000ct
500ct
600ct
800ct
3750
250
125
150
200
.66
.62
.5
.5
.5
.66
.62
.5
.5
.5
.006
.006
.006
.006
.006
.8
.8
.7
.7
.7
1200
1280
1600
1600
1600
1500
100
50
60
80
375
25
12.5
15
20
1:1
4:1
6.32:1
5.77:1
5:1
2:1
8:1
12.6:1
11.55:1
10:1
82.30
82.30
88.24
88.24
88.24
T-22495
T-22500
T-22505
T-22510
T-22515
20,000ct
20,000ct
20,000ct
*20,000ct
25,000ct
1000ct
5000ct
10,000ct
20,000ct
500ct
250
1250
2500
-
125
.5
.5
.5
.5
.4
.5
.5
.5
.5
.4
.006
.006
.006
.006
.006
.7
.7
.7
.7
.6
1600
1600
1600
1600
2000
100
500
1000
2000
50
25
125
250
-
12.5
4.47:1
2:1
1.41:1
1:1
7.07:1
8.94:1
4:1
2.83:1
-
14.14:1
88.24
88.24
88.24
91.70
88.24
T-22520
T-22525
T-22530
T-22532
T-22534
25,000ct
30,000ct
30,000ct
30,000ct
30,000ct
1000ct
50ct
1200ct
500ct
200ct
250
12.5
300
125
50
.4
.33
.33
.33
.33
.4
.33
.33
.33
.33
.006
.006
.006
.006
.006
.6
.6
.6
.6
.6
2000
2400
2400
2400
2400
100
5
120
50
20
25
1.25
30
12.5
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
88.24
91.70
91.70
91.70
91.70
T-22535
T-22540
T-22545
T-22550
T-22555
30,000ct
30,000ct
*30,000ct
40,000ct
40,000ct
5000ct
10,000ct
30,000ct
400ct
2000ct
1250
2500
-
100
500
.33
.33
.33
.25
.25
.33
.33
.33
.25
.25
.006
.006
.006
.006
.006
.6
.6
.6
.5
.5
2400
2400
2400
3200
3200
500
1000
3000
40
200
125
250
-
10
50
2.45:1
1.73:1
1:1
10:1
4.47:1
4.9:1
3.46:1
-
20:1
8.94:1
91.70
91.70
98.33
98.33
98.33
T-22560
T-22565
T-22570
T-22575
T-22577
40,000ct
40,000ct
*40,000ct
50,000ct
50,000ct
4000ct
20,000ct
40,000ct
200ct
500ct
1000
5000
-
50
125
.25
.25
.25
.2
.2
.25
.25
.25
.2
.2
.006
.006
.006
.006
.006
.5
.5
.5
.4
.4
3200
3200
3200
4000
4000
400
2000
4000
20
50
100
500
-
5
12.5
3.16:1
1.41:1
1:1
15.8:1
10:1
6.32:1
2.83:1
-
31.6:1
20:1
98.33
98.33
109.66
109.66
109.66
T-22578
T-22579
T-22580
T-22585
T-22587
50,000ct
50,000ct
60,000ct
62,500ct
80,000ct
600ct
50,000ct
15,000ct
50ct
15,000ct
150
12,500
3750
12.5
3750
.2
.2
.16
.16
.12
.2
.2
.16
.16
.12
.006
.006
.006
.006
.006
.4
.4
.4
.4
.3
4000
4000
4800
5000
6400
60
5000
1500
5
1500
15
1250
375
1.25
375
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
109.66
109.66
118.41
118.41
118.41

 

*Includes electrostatic shield
**Miniaturized telephone 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.
  • Special production techniques ensure uniform size and leads which are free of encapsulant. No meniscus in lead area.
  • Every unit can be made with a 300 thermal cycle guarantee using PICO's special SR construction. Contact factory for details.

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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