Qualified for use in QPL MIL-STD-1553 applications
Dual ratio in a single package (see Schematic)
MSL: 3
Designed, built, and tested to MIL-PRF-21038
Levels* C, M, and T
Two packages available: Package B has gull-wing leads, and Package F is flat pack
Built in ISO 9001 facility
Applicable specifications
n
MIL-STD-1553B
n
MIL-STD-202
(see next page)
n
MIL-PRF-21038
£
20%
n
ISO 9001
±1V MAX
£
45dB
75kHz to 1MHz
-55°C to 130°C
£
5 grams
10K MΩ @ 250Vdc
100Vrms
*
n
Level C
- for high reliability commercial/industrial applications
n
Level M
- for general purpose military applications
n
Level T
- for high reliability critical military applications
Package B
3
2
1
.200
5,08
TYP
.625 MAX
15,86
Package F
8
7
6
5
4
Notes:
1. All dimensions are in inches.
2. Tolerances: .xx = +.008
3. All specifications and dimensions
are subject to change without notice.
3
2
1
.200
5,08
TYP
.625 MAX
15,86
8
7
6
5
4
.100
2,54
TYP
.100
2,54
TYP
3
2
1
8
7
6
5
4
.020
±
.002
3
2
1
.625
15,86
MAX
8
7
6
5
4
.625
15,86
MAX
Ø
0,81 TYP
.070
±
.015
1,78
±
0,38
.032
Ø
0,51
±
0,05
.250
6,35
MAX
.004
0,10
MIN
.500
12,70
MIN
Ø
0,51
±
0,05
.250
6,35
MAX
.137 ± .020
3,48 ± 0,51
.020
±
.002
.250 ± .030
6,35 ± 0,76
1
pulseelectronics.com
M225.B (11/14)
MIL-STD-1553 Transformers
Dual Ratio SMT QPL Pulse Transformers
Characteristics
Line
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Level
C
M
T
C
M
T
C
M
T
C
M
T
C
M
T
C
M
T
C
M
T
C
M
T
C
M
T
C
M
T
Military
Designation No.
M21038/27-11C
M21038/27-11
M21038/27-11T
M21038/27-12C
M21038/27-12
M21038/27-12T
M21038/27-13C
M21038/27-13
M21038/27-13T
M21038/27-15C
M21038/27-15
M21038/27-15T
M21038/27-16C
M21038/27-16
M21038/27-16T
M21038/27-17C
M21038/27-17
M21038/27-17T
M21038/27-18C
M21038/27-18
M21038/27-18T
M21038/27-20C
M21038/27-20
M21038/27-20T
M21038/27-27C
M21038/27-27
M21038/27-27T
M21038/27-31C
M21038/27-31
M21038/27-31T
Pulse
Part No.
SMQC1553-6
SMQ1553-6
SMQT1553-6
SMQC1553-7
SMQ1553-7
SMQT1553-7
SMQC1553-8
SMQ1553-8
SMQT1553-8
SMQC1553-10*
SMQ1553-10*
SMQT1553-10*
FPQC1553-6
FPQ1553-6
FPQT1553-6
FPQC1553-7
FPQ1553-7
FPQT1553-7
FPQC1553-8
FPQ1553-8
FPQT1553-8
FPQC1553-10*
FPQ1553-10*
FPQT1553-10*
SMQC1553-45*
SMQ1553-45*
SMQT1553-45*
FPQC1553-45*
FPQ1553-45*
FPQT1553-45*
F
.250
B
.250
F
.250
F
.250
F
.250
F
.250
B
.250
B
.250
B
.250
B
.250
Package
Height
(in. MAX)
Terminals
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
1-3:4-8
1-3:5-7
Ratio
(±3%)
1CT:1CT
1CT:.707CT
1.4CT:1CT
2CT:1CT
1.25CT:1CT
1.66CT:1CT
1CT:2.12CT
1CT:1.5CT
1CT:1CT
1CT:.707CT
1.4CT:1CT
2CT:1CT
1.25CT:1CT
1.66CT:1CT
1CT:2.12CT
1CT:1.5CT
1CT:2.50CT
1CT:1.79CT
1CT:2.50CT
1CT:1.79CT
RDC
(W MAX)
1-3 3.0
4-8 3.0
1-3 3.5
4-8 3.0
1-3 3.2
4-8 3.0
1-3 1.0
4-8 3.5
1-3 3.0
4-8 3.0
1-3 3.5
4-8 3.0
1-3 3.2
4-8 3.0
1-3 1.0
4-8 3.5
1-3 1.0
4-8 3.5
1-3 1.0
4-8 3.5
Impedance
(W MIN)
(1-3)
4,000
(1-3)
7,200
(1-3)
4,000
(4-8)
4,000
(1-3)
4,000
(1-3)
7,200
(1-3)
4,000
(4-8)
4,000
(4-8)
4,000
(4-8)
4,000
*NOTE:
Designed for transceivers utilizing a single supply voltage (+5V).
2
pulseelectronics.com
M225.B (11/14)
MIL-STD-1553 Transformers
Dual Ratio SMT QPL Pulse Transformers
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
Pulse Europe
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
Fax: 86 755 33966700
Pulse North China
Room 2704/2705
Super Ocean Finance Ctr.
2067 Yan An Road West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
Pulse South Asia
135 Joo Seng Road
#03-02
PM Industrial Bldg.
Singapore 368363
Tel: 65 6287 8998
Fax: 65 6287 8998
Pulse North Asia
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
