TWO PEARL BUCK COURT
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BRISTOL, PA 19007-6812
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TEL 215-781-6400
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www.pulsespecialty.com
QPL Transformers — 6
Package A
SUMMARY PERFORMANCE SPECIFICATIONS
Impedance..................................................... see table, next page
Droop............................................................ <20%
Overshoot..................................................... +1V max
Common mode rejection (CMR)................. >45 dB
Frequency range (no load)........................... 75 kHz to 1MHz
Operating temperature range....................... -55oC to 130oC
Weight.......................................................... <5 grams
Insulation resistance (min)........................... 10K megohms
@ 250 Vdc
Dielectric withstanding voltage.................... 100 Vrms
APPLICABLE SPECIFICATIONS
nMIL-STD-1553B
nMIL-STD-202
nMIL-T-10727
nMIL-PRF-21038/27*
nISO 9002
*MIL-PRF-21038E (8 July 1998) supersedes
MIL-T-21038D (11 May 1979) and establishes
three product levels for low power pulse transformers:
nLevel C - for high reliability
commercial/industrial applications;
nLevel M - for general purpose military applications;
nLevel T - for high reliability critical military applications.
SCHEMATIC AND DIMENSIONS
Dual ratio
through-the-board
QPL pulse transformers
Package G
nqualified for use in QPL MIL-STD-1553 applications
ndual ratio in a single package, see schematic
ndesigned, built, and tested
to MIL-PRF-21038 Levels C, M, and T*
ntwo packages available: Package A without
standoffs, Package G with standoffs
nbuilt in ISO 9002 facility
PULSE SPECIALTY COMPONENTS
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Contents”
.250
Notes:
1. All dimensions are in inches.
2. Tolerances: .xx = +.008
3. All specifications and dimensions
are subject to change without notice.
LINELINE LEVELLEVEL MILITARYMILITARY
DESIGNATIONDESIGNATION
NUMBERNUMBER
TECHNITROLTECHNITROL
PART NO. PART NO. PACKAGEPACKAGE HEIGHTHEIGHT
(in.) (in.)
MAXMAX
TERMINALSTERMINALS RATIORATIO
((++3%)3%) RDCRDC
(ohms) (ohms)
MAXMAX
IMPEDANCEIMPEDANCE
(ohms) (ohms)
MINMIN
1CM21038/27-01C QC1553-1 A .250 1-3:4-8
1-3:5-7 1CT:1CT
1CT:.707CT 1-3 3. 0
4-8 3. 0 (1-3)
4000
2 M M21038/27-01 Q1553-1
3 T M21038/27-01T QT1553-1
4 C M21038/27-02C QC1553-2 A .250 1-3:4-8
1-3:5-7 1.4CT:1CT
2CT:1CT 1-3 3.5
4-8 3. 0 (1-3)
7,200
5 M M21038/27-02 Q1553-2
6 T M21038/27-02T Q T 1553- 2
7 C M21038/27-03C QC1553-3 A .250 1-3:4-8
1-3:5-7 1.25CT:1CT
1.66CT:1CT 1-3 3. 2
4-8 3. 0 (1-3)
4000
8 M M21038/27-03 Q1553-3
9 T M21038/27-03T QT1553-3
10 C M21038/27-10C QC1553-5* A .250 1-3:4-8
1-3:5-7 1CT:2.12CT
1CT:1.5CT 1.3 1.0
4-8 3. 5 (4-8)
4,000
11 M M21038/27-10 Q1553-5*
12 T M21038/27-10T QT1553-5*
13 C M21038/27-21C QC1553-81 G .275 1-3:4-8
1-3:5-7 1CT:1CT
1CT:.707CT 1-3 3.0
4-8 3. 0 (1-3)
4,000
14 M M21038/27-21 Q1553-81
15 T M21038/27-21T QT1553-81
16 C M21038/27-22C QC1553-82 G .275 1-3:4-8
1-3:5-7 1.4CT:1CT
2CT:1CT 1-3 3.5
4-8 3. 0 (1-3)
7,200
17 M M21038/27-22 Q1553-82
18 T M21038/27-22T QT1553-82
19 C M21038/27-23C QC1553-83 G .275 1-3:4-8
1-3:5-7 1.25CT:1CT
1.66CT:1CT 1-3 3. 2
4-8 3. 0 (1-3)
4,000
20 M M21038/27-23 Q1553-83
21 T M21038/27-23T QT1553-83
22 C M21038/27-24C QC1553-84 G .275 1-3:4-8
1-3:5-7 1CT:2.12CT
1CT:1.5CT 1-3 1. 0
4-8 3. 5 (4-8)
4,000
23 M M21038/27-24 Q1553-84
24 T M21038/27-24T QT1553-84
25 C M21038/27-25C QC1553-85 G .275 1-3:4-8
1-3:5-7 1CT:2.50CT
1CT:1.79CT 1-3 1. 0
4-8 3. 5 (4-8)
4,000
26 M M21038/27-25 Q1553-85
27 T M21038/27-25T QT1553-85
28 C M21038/27-26C QC1553-45* A .250 1-3:4-8
1-3:5-7 1CT:2.50CT
1CT:1.79CT 1-3 1. 0
4-8 3. 5 (4-8)
4,000
29 M M21038/27-26 Q1553-45*
30 T M21038/27-26T QT1553-45*
LINELINE LEVELLEVEL MILITARYMILITARY
DESIGNATIONDESIGNATION
NUMBERNUMBER
TECHNITROLTECHNITROL
PART NO. PART NO. PACKAGEPACKAGE HEIGHTHEIGHT
(in.) (in.)
MAXMAX
TERMINALSTERMINALS RATIORATIO
((++3%)3%) RDCRDC
(ohms) (ohms)
MAXMAX
IMPEDANCEIMPEDANCE
(ohms) (ohms)
MINMIN
1CM21038/27-01C QC1553-1 A .250 1-3:4-8 1CT:1CT 1-3 3. 0 (1-3)
CHARACTERISTICS
*Designed for transceivers utilizing a single supply voltage (+5V).
TWO PEARL BUCK COURT
l
BRISTOL, PA 19007-6812
l
TEL 215-781-6400
l
FAX 215-781-6403
l
www.pulsespecialty.com
QPL Transformers — 7
PULSE SPECIALTY COMPONENTS
back to “
Contents”
ndual ratio nthrough the board
