MIL-STD-1553 Transformers
Stacked Dual SMT non-QPL Interface Transformers
These non-QPL interface transformers are built and tested in ISO 9001 approved facilities. They con-
form to all electrical and physical parameters of MIL-PRF-21038/27. Choose one of three operating
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
Impedance
Droop
Overshoot
Common Mode Rejection (CMR)
Frequency Range (no load)
Operating Temperature Range
Weight
Insualtion Resistance (MIN)
Dielectric Withstanding Voltage
Part Number
1
Flat Pack
Prefix
SFQC
SFQN
SFQ
Gull Wing
Prefix
SGQC
SGQN
SGQ
(see table below)
£
20%
±1V MAX
£
45dB
75kHz to 1MHz
(see table above)
£
5 grams
10K MΩ @ 250Vdc
100Vrms
Termimals
1-3 : 4-8 (11-13 : 14-18)
1-3 : 5-7 (11-13 : 15-17)
1-3 : 4-8 (11-13 : 14-18)
1-3 : 5-7 (11-13 : 15-17)
1-3 : 4-8 (11-13 : 14-18)
1-3 : 5-7 (11-13 : 15-17)
1-3 : 4-8 (11-13 : 14-18)
1-3 : 5-7 (11-13 : 15-17)
1-3 : 4-8 (11-13 : 14-18)
1-3 : 5-7 (11-13 : 15-17)
Summary Performance Specifications
Dual ratio, dual interface (see schematic)
Surface Mount package
MSL: 3
For use in MIL-STD-1553 applications
Vertically stacked for minimum XY area
Performance to MIL-PRF-21038 requirements
Built in ISO 9001 facility
Applicable specifications:
n
MIL-STD-1553B
n
MIL-STD-202
n
MIL-PRF-21038
3 (13)
n
ISO 9001
Schematic
2 (12)
1 (11)
8 (18)
7 (17)
6 (16)
5 (15)
4 (14)
(XXXX)1553-1
(XXXX)1553-2
(XXXX)1553-3
(XXXX)1553-5
2
(XXXX)1553-45
2
Characteristics
Ratio
(±3%)
1CT:1CT
1CT:.707CT
1.4CT:1CT
2CT:1CT
1.25CT:1CT
1.66CT:1CT
1CT:2.12CT
1CT:1.5CT
1CT:2.5CT
1CT:1.79CT
RDC
(Ω MAX)
1-3 (11-13) = 3.5
4-8 (14-18) = 3.0
1-3 (11-13) = 3.0
4-8 (14-18) = 3.0
1-3 (11-13) = 3.2
4-8 (14-18) = 3.0
1-3 (11-13) = 1.0
4-8 (14-18) = 3.5
1-3 (11-13) = 1.0
4-8 (14-18) = 3.5
Impedance
(Ω MIN)
(1-3 & 11-13)
4,000
(1-3 & 11-13)
7,200
(1-3 & 11-13)
4,000
(4-8 & 14-18)
4,000
(4-8 & 14-18)
4,000
NOTE: 1.
Refer to prefix table (above) to select temperature range.
2.
Designed for transceivers utilizing a single supply voltage (+5V).
Flat Pack
.630 MAX
16,00
.100 TYP
2,54
14
15
16
17
18
1312 11
8
7
6
5
4
Gull Wing
.630 MAX
16,00
.100 TYP
2,54
1.125 ± .030
28,58 ± 0,76
14
15
16
17
18
13 12 11
8
7
6
5
4
.020
±
.002
Ø
0,51
±
0,05
Mechanicals
Notes:
1. All dimensions: in inches.
2. Tolerances: .xx = +.008
3. All specifications and
dimensions are subject
to change without notice.
.630
16,00
MAX
.630
16,00
MAX
.020
±
.002
.340
8,64
MAX
1 2 3
1 2 3
Ø
0,51
±
0,05
.500
16,00
MIN
.340
8,64
MAX
.070 ± .015
1,78 ± 0,38
.250 ± .030
6,35 ± 0,76
.004
0,10
MIN
1
pulseelectronics.com
M231.B (11/14)
MIL-STD-1553 Transformers
MIL-PRF-21038/27 Inspection, Sampling, Testing
Stacked Dual SMT non-QPL Interface Transformers
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
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China
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#03-02
PM Industrial Bldg.
Singapore 368363
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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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