Datasheet(PDF format)

November 3, 2005
ROMOLAND, INC.
4258-00XX SERIES
TRANSFORMER MICROMINIATURE PULSE
Features
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Transformer
P/N
Turns
Ratio
Pri:Sec:Ter
Primary
Inductance
µH (±20%)
ET
Constant
Volt µSec
Dielectric Strength 250Vrms
Insulation Resistance 10,000 Megohms
Maximum Average Power 25 mW
Peak Pulse Voltage 50 Volts
MIL-PRF-21038 Seal Construction
High Performance to Size Ratio
Application Engineering Service: Engineering Data
Available on Request
Electricial Specification at 25°C
Leakage
Inductance
µH (Max)
DCR Ω ±20%
Interwind
Capacitance
pF (Max)
Effective Distributed
Capacitance
1–2
3–4
5-6
1-2 (1,3,5 GND)
1-2 (1,4,6 GND)
4258 -0001
1:1:1
8
3.5
0.4
11
0.7
0.7
0.7
4.0
14
4258 -0002
1:1:1
25
5.8
0.4
15
1.1
1.1
1.1
4.0
20
4258 -0003
1:1:1
50
8
0.5
21
1.4
1.4
1.4
4.0
27
4258 -0004
1:1:1
250
9
0.5
16
1.1
1.1
1.1
4.0
16
4258 -0005
1:1:1
500
12
0.9
36
1.9
1.9
1.9
10.0
25
4258 -0006
1:1:1
800
16
0.7
26
1.8
1.8
1.8
4.0
25
4258 -0007
1:1:1
2500
22
1.2
45
3.1
3.1
3.1
4.0
50
4258 -0008
2:1:1
25
5.8
1.5
9.5
1.1
0.7
0.7
4.0
14
4258 -0009
2:1:1
250
9
2.5
10
1.0
0.7
0.7
4.0
6.5
4258 -0010
2:1:1
2500
22
7.0
24
2.8
1.6
1.6
6.0
50
1
.50 MAX
12.7
3 5
.35 MAX
8.89
.25 MAX
6.35
2
4 6
1.50
3801
.075 MIN
1.90
SCHEMATIC
.10
2.54
.40
10.16
1
3
5
Datatronics:
2
4
6
.20
5.08
Notes:
1. Dimensions are in inches/mm.
2. Tolerences inches .XXX ± .010
mm .XX ± 25
3. Drawing is not to scale.
28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Toll Free Tel: 888-889-5391 Fax: 951-928-7701
Email: drisales@datatronics.com