Impedance (see next page)
Droop 20%
Overshoot ±1V MAX
Common Mode Rejection (CMR) 45dB
Frequency Range (no load) 75kHz to 1MHz
Operating Temperature Range -55°C to 130°C
Weight 5 grams
Insualtion Resistance (MIN) 10K MΩ @ 250Vdc
Dielectric Withstanding Voltage 100Vrms
Summary Performance Specifications
Package A (mechanicals and schematic) Package G (mechanicals and schematic)
Notes:
1. All dimensions are in inches.
2. Tolerances: .xx = +.008
3. All specifications and dimensions are subject to change without notice.
Qualified QPL MIL-STD-1553 applications
Dual ratio in a single package (see Schematic)
Moisture Sensitivity Level: 1
Designed, built, and tested to MIL-PRF-21038 /27
Product Levels* C, M, and T
Two packages available:
Package A without standoffs, and Package G with standoffs
Built in ISO 9001 facility
Applicable specifications:
MIL-STD-1553 TRANSFORMERS
Dual Ratio THT QPL Pulse Transformers
Notes:
1. Weight............... 4.08gm
2. Pan/Tube Size= 1
PulseR
QT1553-85
M21038/
27-25-85
QX1553-XX
M224.E (9/19)
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n
Level C - for high reliability commercial/industrial applications
Level M - for general purpose military applications
Level T - for high reliability critical military applications
n
n
MIL-STD-1553B
MIL-STD-202
MIL-PRF-21038
ISO 9001
n
n
n
n
Line Level Military Pulse Package Height Terminals Ratio RDC Impedance
Designation No. Part No. (in. MAX) (±3%) (Ω MAX) (Ω MIN)
1 C M21038/27-01C QC1553-1 1-3:4-8 1CT:1CT 1-3 3.0 (1-3)
2 M M21038/27-01 Q1553-1 A .250 1-3:5-7 1CT:.707CT 4-8 3.0 4,000
3 T M21038/27-01T QT1553-1
4 C M21038/27-02C QC1553-2 1-3:4-8 1.4CT:1CT 1-3 3.5 (1-3)
5 M M21038/27-02 Q1553-2 A .250 1-3:5-7 2CT:1CT 4-8 3.0 7,200
6 T M21038/27-02T QT1553-2
7 C M21038/27-03C QC1553-3 1-3:4-8 1.25CT:1CT 1-3 3.2 (1-3)
8 M M21038/27-03 Q1553-3 A .250 1-3:5-7 1.66CT:1CT 4-8 3.0 4,000
9 T M21038/27-03T QT1553-3
10 C M21038/27-10C QC1553-5* 1-3:4-8 1CT:2.12CT 1-3 1.0 (4-8)
11 M M21038/27-10 Q1553-5* A .250 1-3:5-7 1CT:1.5CT 4-8 3.5 4,000
12 T M21038/27-10T QT1553-5*
13 C M21038/27-21C QC1553-81 1-3:4-8 1CT:1CT 1-3 3.0 (1-3)
14 M M21038/27-21 Q1553-81 G .275 1-3:5-7 1CT:.707CT 4-8 3.0 4,000
15 T M21038/27-21T QT1553-81
16 C M21038/27-22C QC1553-82 1-3:4-8 1.4CT:1CT 1-3 3.5 (1-3)
17 M M21038/27-22 Q1553-82 G .275 1-3:5-7 2CT:1CT 4-8 3.0 7,200
18 T M21038/27-22T QT1553-82
19 C M21038/27-23C QC1553-83 1-3:4-8 1.25CT:1CT 1-3 3.2 (1-3)
20 M M21038/27-23 Q1553-83 G .275 1-3:5-7 1.66CT:1CT 4-8 3.0 4,000
21 T M21038/27-23T QT1553-83
22 C M21038/27-24C QC1553-84* 1-3:4-8 1CT:2.12CT 1-3 1.0 (4-8)
23 M M21038/27-24 Q1553-84* G .275 1-3:5-7 1CT:1.5CT 4-8 3.5 4,000
24 T M21038/27-24T QT1553-84*
25 C M21038/27-25C QC1553-85* 1-3:4-8 1CT:2.50CT 1-3 1.0 (4-8)
26 M M21038/27-25 Q1553-85* G .275 1-3:5-7 1CT:1.79CT 4-8 3.5 4,000
27 T M21038/27-25T QT1553-85*
28 C M21038/27-26C QC1553-45* 1-3:4-8 1CT:2.50CT 1-3 1.0 (4-8)
29 M M21038/27-26 Q1553-45* A .250 1-3:5-7 1CT:1.79CT 4-8 3.5 4,000
30 T M21038/27-26T QT1553-45*
Characteristics
*NOTE: Designed for transceivers utilizing a single supply voltage (+5V).
MIL-STD-1553 TRANSFORMERS
Dual Ratio THT QPL Pulse Transformers
M224.E (9/19)
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MIL-PRF-21038/27 Inspection, Sampling, Testing
Tests Sampling Plan Tests Sampling Plan Tests Sampling Plan
N/A N/A Electrical Characteristics Sample per Thermal Shock 100%
per MIL-PRF-21038/27 Table 3
N/A N/A Visual and Mechanical Sample per Winding Continuity 100%
Inspection Table 3
N/A N/A N/A N/A Electrical Characteristics 100%
per MIL-PRF-21038/27
N/A N/A N/A N/A Impedance Sample per
Table 3
N/A N/A N/A N/A Visual and Mechanical Sample per
Inspection Table 3
Table 1 — Group A Inspection
Level “C”** Level “M” Level “T”
Tests Sampling Plan Tests Sampling Plan Tests Sampling Plan
N/A N/A Dielectric Withstanding Sample per Dielectric Withstanding Sample per
Voltage Table 3 Voltage Table 3
N/A N/A Insulation Sample per Insulation Sample per
Resistance Table 3 Resistance Table 3
Table 2 — Group B Inspection
Level “C”** Level “M” Level “T”
Lot Size Group A, Group II Inspections Group B
1 to 5 All All
6 to 13 All 5
14 to 50 13 5
51 to 90 13 7
91 to 150 13 11
151 to 280 20 13
281 to 500 29 16
501 to 1200 34 19
1,201 to 3,200 42 23
3,201 to 10,000 50 29
Table 3 — Sampling Plans for Group A and Group B Inspections
**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.
MIL-STD-1553 TRANSFORMERS
Dual Ratio THT QPL Pulse Transformers
M224.E (9/19)
3www.pulseruggedized.com
M224.E (9/19)
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Transceiver Tin/Lead Recommended Reflow Profile (Based on J-STD-020D)
T
SMI N
(°C)
T
SMAX
(°C)
T
L
(°C)
T
P
(° C M A X)
t
S
(s)
t
L
(s)
t
P
(s M A X)
Ramp-up rate
(T
L
to T
P
)
Ramp-down rate
(T
P
to T
L
)
100 150 183 225 60-120 60-150 20 3°C/s MAX 6°C/s MAX 360
Notes:
1. All temperatures measured on the package leads.
2. Maximum times of reflow cycle: 2.
MIL-STD-1553 TRANSFORMERS
Dual Ratio THT QPL Pulse Transformers
For More Information
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Headquart
PulseR North A
ers
311 Sinclair Road
Bristol, PA
19007 - USA
Tel: +1. 215. 781. 6400
Fax: +1.215. 781. 6403
For Global Sales Representatives and Locations Visit:
http://www.pulseruggedized.com
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, 2019. PulseR, LLC. All rights reserved.