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Pulse Transformers - Thru Hole

Specifications

  • Units manufactured to MIL-PRF-21038.
  • DIELECTRIC STRENGTH: All units tested at 500 V RMS.
  • INSULATION RESISTANCE: Greater than 10,000 Megohms at 700 V DC.
  • THERMAL SHOCK: 25 Cycles, Method 107, MIL-STD-202, Test Condition -55 degrees C to +130 degrees C.
  • OPERATING TEMPERATURE: -55 degrees C to +130 degrees C
  • TERMINALS: Solid .016 Diameter Conductor. Solderability per MIL-STD-202, Method 208.
  • WEIGHT SIZE: 1-2.5 Grams; 2-4.5 Grams; 3-8.0 Grams

 

Larger size drawing of Size 2

 

SIZE 1
PICO
PART #
Thru Hole		 TURNS
RATIO
TOLER.
±5%		 Lm
TYPICAL
µH		 LEAKAGE IND.
VALUE IN µH
TYPICAL		 WINDING RESISTANCE
MAX VALUE IN OHMS		 TYPICAL INTER-
WINDING CAP
VALUE IN pF		 E.T.
RATING
VOLT - µSEC
MIN.
PRIMARY

PRICE
(1-9)
(US $)
LL
(N1-N2)		 LL
(N1-N3)		 R(N1) R(N2) R(N3) C1
(N1-N2)		 C2
(N1-N3)
74005
74010
74015
74020
74025
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
150
600
1300
2400
3700
.100
.400
.900
1.6
3.0
.250
1.1
2.5
4.2
6.5
.070
.15
.45
1.14
2.0
.080
.18
.51
1.27
2.3
.085
.21
.58
1.39
2.5
25
25
25
25
25
12
12
12
12
12
10
20
30
40
50
48.79
48.79
48.79
48.79
48.79
74030
74035
74040
74045
74050
2:1:1
2:1:1
2:1:1
2:1:1
2:1:1
150
600
1300
2400
3700
.250
1.0
1.5
2.2
3.4
.450
1.5
3.5
6.0
9.0
.062
.15
.45
1.14
2.07
.014
.074
.10
.17
.29
.014
.087
.13
.20
.32
25
25
25
25
25
12
12
12
12
12
10
20
30
40
50
48.79
48.79
48.79
48.79
48.79
74055
74060
74065
74070
74075
3:1:1
3:1:1
3:1:1
3:1:1
3:1:1
200
800
1800
3200
5300
.617
1.2
2.5
4.5
7.0
1.0
1.5
5.0
10.0
15.0
.081
.18
.37
.62
1.28
.018
.035
.15
.25
.25
.018
.040
.16
.28
.28
25
25
25
25
25
12
12
12
12
12
12
24
36
48
60
48.79
48.79
48.79
48.79
48.79
74080
74085
74090
74095
74100
3:3:1
3:3:1
3:3:1
3:3:1
3:3:1
200
800
1800
3200
5300
200
1.0
2.5
4.5
7.0
1.0
1.5
5.0
10.0
15.0
.082
.18
.58
.95
1.56
.096
.22
.73
1.18
1.78
.025
.042
.28
.55
.69
25
25
25
25
25
12
12
12
12
12
12
24
36
48
60
48.79
48.79
48.79
48.79
48.79
74105
74110
74115
74120
74125
4:2:1
4:2:1
4:2:1
4:2:1
4:2:1
200
800
1800
3200
5300
.506
1.5
3.0
5.5
8.0
2.0
3.0
5.5
10.0
15.0
.047
.18
.46
.77
1.25
.024
.071
.28
.46
.72
.019
.041
.16
.25
.40
25
25
25
25
25
12
12
12
12
12
12
24
36
48
60
48.79
48.79
48.79
48.79
48.79

 

 

SIZE 2
PICO
PART #		 TURNS
RATIO
TOLER.
±5%		 Lm
TYPICAL
µH		 LEAKAGE IND.
VALUE IN µH
TYPICAL		 WINDING RESISTANCE
MAX VALUE IN OHMS		 TYPICAL INTER-
WINDING CAP
VALUE IN pF		 E.T.
RATING
VOLT - µSEC
MIN.
PRIMARY		 PRICE
(1-9)
LL
(N1-N2)		 LL
(N1-N3)		 R(N1) R(N2) R(N3) C1
(N1-N2)		 C2
(N1-N3)
74210
74215
74220
74225
74230
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
250
1000
2250
4000
6200
.350
.650
1.5
2.5
4.0
.712
1.2
3.0
5.0
8.0
.038
.12
.28
.59
1.27
.046
.15
.32
.66
1.48
.048
.17
.37
.74
1.56
35
35
35
35
35
18
18
18
18
18
16
32
48
65
80
48.79
48.79
48.79
48.79
48.79
74235
74240
74245
74250
74255
2:1:1
2:1:1
2:1:1
2:1:1
2:1:1
250
1000
2250
4000
6200
.400
.800
1.8
3.2
5.0
.815
1.6
3.6
6.4
10.0
.038
.12
.28
.59
1.26
.014
.044
.11
.17
.29
.015
.049
.13
.20
.31
35
35
35
35
35
18
18
18
18
18
16
32
48
65
80
48.79
48.79
48.79
48.79
48.79
74260
74265
74270
74275
74280
3:1:1
3:1:1
3:1:1
3:1:1
3:1:1
350
1400
3000
5500
9000
.400
1.1
2.4
4.2
6.5
.900
2.2
5.0
8.0
10.0
.036
.15
.42
.75
1.02
.017
.035
.062
.23
.39
.023
.039
.068
.24
.41
35
35
35
35
35
18
18
18
18
18
19
38
57
76
95
48.79
48.79
48.79
48.79
48.79
74285
74290
74295
74300
74305
3:3:1
3:3:1
3:3:1
3:3:1
3:3:1
350
1400
3000
5500
9000
.450
1.2
2.5
4.5
7.0
1.0
2.6
5.0
9.0
14.0
.063
.15
.42
.94
1.54
.068
.17
.48
1.14
1.74
.049
.065
.089
.43
.64
35
35
35
35
35
18
18
18
18
18
19
38
57
76
95
48.79
48.79
48.79
48.79
48.79
74310
74315
74320
74325
74330
4:2:1
4:2:1
4:2:1
4:2:1
4:2:1
350
1400
3000
5500
9000
.700
1.3
2.7
4.8
7.5
1.64
2.7
5.5
9.0
15.0
.040
.12
.42
.94
1.53
.023
.067
.12
.27
.35
.014
.035
.070
.15
.19
35
35
35
35
35
18
18
18
18
18
19
38
57
76
95
48.79
48.79
48.79
48.79
48.79

 

 

SIZE 3
PICO
PART #		 TURNS
RATIO
TOLER.
±5%		 Lm
TYPICAL
µH		 LEAKAGE IND.
VALUE IN µH
TYPICAL		 WINDING RESISTANCE
MAX VALUE IN OHMS		 TYPICAL INTER-
WINDING CAP
VALUE IN pF		 E.T.
RATING
VOLT - µSEC
MIN.
PRIMARY		 PRICE
(1-9)
LL
(N1-N2)		 LL
(N1-N3)		 R(N1) R(N2) R(N3) C1
(N1-N2)		 C2
(N1-N3)
74515
74520
74525
74530
74535
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
300
1200
2700
4800
7500
.300
1.25
1.75
3.0
4.6
.400
1.9
4.2
7.3
11.4
.044
.095
.22
.46
.81
.048
.11
.26
.52
.90
.054
.13
.29
.59
.99
45
45
45
45
45
25
25
25
25
25
25
50
75
100
125
48.79
48.79
48.79
48.79
48.79
74540
74545
74550
74555
74560
2:1:1
2:1:1
2:1:1
2:1:1
2:1:1
300
1200
2700
4800
7500
.514
.900
2.0
3.0
4.88
.630
1.7
3.7
6.5
10.0
.044
.095
.22
.46
.80
.013
.043
.10
.17
.28
.017
.047
.12
.19
.34
45
45
45
45
45
25
25
25
25
25
25
50
75
100
125
48.79
48.79
48.79
48.79
48.79
74565
74570
74575
74580
74585
3:1:1
3:1:1
3:1:1
3:1:1
3:1:1
400
1600
3600
6400
10,000
.686
1.25
2.75
4.6
7.2
.800
3.0
6.5
1.20
18.0
.049
.12
.33
.58
1.25
.011
.035
.062
.14
.13
.011
.038
.068
.15
.15
45
45
45
45
45
25
25
25
25
25
30
60
90
120
150
48.79
48.79
48.79
48.79
48.79
74590
74595
74600
74605
74610
3:3:1
3:3:1
3:3:1
3:3:1
3:3:1
400
1600
3600
6400
10,000
.400
1.25
3.0
5.3
8.2
1.02
1.5
2.9
5.0
7.8
.062
.12
.33
.58
1.35
.072
.14
.38
.73
1.40
.012
.040
.070
.18
.20
45
45
45
45
45
25
25
25
25
25
30
60
90
120
150
48.79
48.79
48.79
48.79
48.79
74615
74620
74625
74630
74635
4:2:1
4:2:1
4:2:1
4:2:1
4:2:1
400
1600
3600
6400
10,000
.580
1.2
2.75
4.6
7.1
1.12
3.0
7.0
12.0
19.6
.054
.12
.33
.58
1.22
.016
.052
.15
.14
.27
.009
.028
.084
.080
.15
45
45
45
45
45
25
25
25
25
25
30
60
90
120
150
48.79
48.79
48.79
48.79
48.79

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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