MIL-STD-1553 Transformers
Low Profile SMT non-QPL InterfaceTransformers
These non-QPL interface transformers are built and tested in ISO 9001 approved facilities. They
conform to all electrical and physical parameters of MIL-PRF-21038/27. Choose one of three oper-
ating temperature ranges including 0° to +70°C, -40° to +85°C, or -55° to +125°C.
Operating
Temperature
0° to 70°C
-40° to +85°C
-55° to +125°C
Flat Pack
Prefix
FLC
FLN
FL
Gull Wing
Prefix
GLC
GLN
GL
Summary Performance Specifications
Impedance
Droop
Overshoot
Common Mode Rejection (CMR)
Frequency Range (no load)
Operating Temperature Range
Weight
Insualtion Resistance (MIN)
Dielectric Withstanding Voltage
1
(see table below)
£
20%
±1V MAX
£
45dB
75kHz to 1MHz
(see table above)
£
5 grams
10K MΩ @ 250Vdc
100Vrms
Dual ratio, single interface (see schematic)
Surface Mount, flat pack or gull wing package
MSL: 3
For use in MIL-STD-1553 applications
Low profile, 0.155 inches height
Performance to MIL-PRF-21038 requirements
Built in ISO 9001 facility
Applicable specifications:
n
MIL-STD-1553B
n
MIL-STD-202
3
n
n
MIL-PRF-21038
ISO 9001
Schematic
2
1
8
7
6
5
4
Characteristics
Part Number
Termimals
Ratio
(±3%)
RDC
(Ω MAX)
Impedance
(Ω MIN)
.630 MAX
1-3 : 4-8
1CT:1CT
1-3 = 3.0
(1-3)
(XXX)1553-1
.010 TYP
4,000
16,00
1-3 : 5-7
1CT:.707CT
4-8 =
.100 TYP
3.0
0,25
2,54
1-3 = 3.5
1-3 : 4-8
1.4CT:1CT
(1-3)
(XXX)1553-2
1-3 : 5-7
2CT:1CT
7 6 5 4
4-8 = 3.0
7,200
8
1-3 : 4-8
1.25CT:1CT
1-3 = 3.2
(1-3)
(XXX)1553-3
.630
1.66CT:1CT
1-3 : 5-7
4-8 = 3.0
.155
4,000
.700 ± .020
8
3
16,00
MAX
2
1-3 : 4-8
1CT:2.12CT
1-3 = 1.0
3,94
(4-8)
17,78 ± 0,51
7
MAX
(XXX)1553-5
1-3 : 5-7
1CT:1.5CT
4-8 = 3.5
4,000
2
3 2 1
6
2
1-3 : 4-8
1CT:2.5CT
1-3 = 1.0
(4-8)
5
(XXX)1553-45
1-3 : 5-7
1CT:1.79CT
4-8 = 3.5
4,000
4
.020
1
.100 MIN
.200 TYP
NOTE: 1.
Refer to prefix table (above) to select temperature range.
2.
Designed for transceivers utilizing a single supply voltage (+5V).
0,51 TYP
2,54
5,08
Flat Pack
Gull Wing
.200
5,08
TYP
.630 MAX
16,00
.100 TYP
2,54
.200
5,08
TYP
.630 MAX
16,00
.100 TYP
2,54
Mechanicals
3
.020 TYP
0,51
2
1
.155 MAX
3,94
Notes:
1. All dimensions: in inches.
2. Tolerances: .xx = +.008
3. All specifications and
dimensions are subject
to change without notice.
8
7
6
5
4
3
.630
16,00
MAX
.010 TYP
0,25
.020 TYP
0,51
2
1
.155 MAX
3,94
8
7
6
5
4
.630
16,00
MAX
.010 TYP
0,25
.230 ± .030
5,84 ± 0,76
.004
0,10
MIN
.200 MIN
5,08
.070
±
.015
1,78
±
0,38
1
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M227.B (11/14)
MIL-STD-1553 Transformers
Low Profile SMT non-QPL InterfaceTransformers
MIL-PRF-21038/27 Inspection, Sampling, Testing
Table 1 — Group A Inspection
Level “C”**
Level “M”
Level “T”
Tests
N/A
N/A
N/A
N/A
N/A
Sampling Plan
N/A
N/A
N/A
N/A
N/A
Tests
Electrical Characteristics
per MIL-PRF-21038/27
Visual and Mechanical
Inspection
N/A
N/A
N/A
Sampling Plan
Sample per
Table 3
Sample per
Table 3
N/A
N/A
N/A
Tests
Thermal Shock
Winding Continuity
Electrical Characteristics
per MIL-PRF-21038/27
Impedance
Visual and Mechanical
Inspection
Level “T”
Sampling Plan
100%
100%
100%
Sample per
Table 3
Sample per
Table 3
Table 2 — Group B Inspection
Level “C”**
Level “M”
Tests
N/A
N/A
Sampling Plan
N/A
N/A
Tests
Dielectric Withstanding
Voltage
Insulation
Resistance
Sampling Plan
Sample per
Table 3
Sample per
Table 3
Tests
Dielectric Withstanding
Voltage
Insulation
Resistance
Group B
All
5
5
7
11
13
16
19
23
29
Sampling Plan
Sample per
Table 3
Sample per
Table 3
Table 3 — Sampling Plans for Group A and Group B Inspections
Lot Size
1 to 5
6 to 13
14 to 50
51 to 90
91 to 150
151 to 280
281 to 500
501 to 1200
1,201 to 3,200
3,201 to 10,000
Group A, Group II Inspections
All
All
13
13
13
20
29
34
42
50
**NOTE:
Parts ordered to Level C are certified to comply with MIL-PRF-21038 Level C, however testing is performed
per manufacturer’s internal requirements and sampling rates.
For More Information
Pulse North America
Headquarters
Two Pearl Buck Court
Bristol, PA 19007
U.S.A.
Tel: 215 781 6400
Fax: 215 781 6403
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Zeppelinstrasse 15
71083 Herrenberg
Germany
Tel: 49 7032 7806 0
Fax: 49 7032 7806 12
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Road
High-Tech Zone
Nanshan District
Shenzen, PR China 518057
Tel: 86 755 33966678
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Room 2704/2705
Super Ocean Finance Ctr.
2067 Yan An Road West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
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135 Joo Seng Road
#03-02
PM Industrial Bldg.
Singapore 368363
Tel: 65 6287 8998
Fax: 65 6287 8998
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3F No. 198, Zhongyuan Road
Zhongli City
Taoyuan County (32068)
Taiwan
Tel: 886 3 4356768
Fax: 886 3 4356823
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be
trademarks or registered trademarks of their respective owners. © Copyright, 2014. Pulse Electronics, Inc. All rights reserved.
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