PULSE SPECIALTY COMPONENTS
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 — 4
nqualified for use in QPL MIL-STD-1553 applications
nsingle ratio packages, see schematics
ndesigned, built, and tested to
MIL-PRF-21038 Levels C, M, and T*
npackage C is 4-lead; package D is
6-lead (center tap)
nbuilt in ISO 9002 facility
APPLICABLE SPECIFICATIONS
nMIL-STD-1553B
nMIL-STD-202
nMIL-T-10727
nMIL-PRF-21038/27*
nISO 9002
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
*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.
Single ratio
through-the-board
QPL pulse transformers
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Contents”
PULSE SPECIALTY COMPONENTS
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 — 5
LINELINE LEVELLEVEL MILITARYMILITARY
DESIGNATIONDESIGNATION
NUMBERNUMBER
TECHNITROLTECHNITROL
PART NO.PART NO. PACKAGEPACKAGE HEIGHT HEIGHT
(in.) (in.)
MAXMAX
TERMINALSTERMINALS RATIORATIO
( (++3%)3%) RDCRDC
(ohm s) (ohm s)
MAXMAX
IMPEDANCEIMPEDANCE
(ohms) (ohms)
MINMIN
1 C M21038/27-05C QC1553-20 C .250 1-2:4-3 1:1.41 1-2 2. 2
4-3 2. 7 (4-3)
3,000
2 M M21038/27-05 Q1553-20
3 T M21038/27-05T QT1553-20
4 C M21038/27-06C QC1553-21 D .250 1-5:6-2 1CT:1CT 1-5 2.5
6-2 2. 8 (6-2)
3,000
5 M M21038/27-06 Q1553-21
6 T M21038/27-06T QT1553-21
7 C M21038/27-07C QC1553-22 D .250 1-5:6-2 1CT:1.41CT 1-5 2.2
6-2 2. 7 (6-2)
3,000
8 M M21038/27-07 Q1553-22
9 T M21038/27-07T QT1553-22
10 C M21038/27-08C QC1553-23 D .250 1-5:6-2 1CT:1.66CT 1-5 1.5
6-2 2. 4 (6-2)
3,000
11 M M21038/27-08 Q1553-23
12 T M21038/27-08T QT1553-23
13 C M21038/27-09C QC1553-24 D .250 1-5:6-2 1CT:2CT 1-5 1.3
6-2 2. 6 (6-2)
3,000
14 M M21038/27-09 Q1553-24
15 T M21038/27-09T QT1553-24
16 C M21038/27-28C QC1553-25* D .250 1-5:6-2 1CT:1.5CT 1-3 0.90
6-2 2.5 (6-2)
3,000
17 M M21038/27-28 Q1553-25*
18 T M21038/27-28T QT1553-25*
19 C M21038/27-29C QC1553-51* D .250 1-5:6-2 1CT:1.79CT 1. 5 0. 90
6-2 2.5 (6-2)
3,000
20 M M21038/27-29 Q1553-51*
21 T M21038/27-29T QT1553-51*
22 C M21038/27-30C QC1553-52* D .250 1-5:6-2 1CT:2.5CT 1-5 1.0
6-2 2.8 (6-2)
3,000
23 M M21038/27-30 Q1553-52*
24 T M21038/27-30T QT1553-52*
LINELINE LEVELLEVEL MILITARYMILITARY
DESIGNATIONDESIGNATION
NUMBERNUMBER
TECHNITROLTECHNITROL
PART NO.PART NO. PACKAGEPACKAGE HEIGHT HEIGHT
(in.) (in.)
MAXMAX
TERMINALSTERMINALS RATIORATIO
( (++3%)3%) RDCRDC
(ohm s) (ohm s)
MAXMAX
IMPEDANCEIMPEDANCE
(ohms) (ohms)
MINMIN
1 C M21038/27-05C QC1553-20 C .250 1-2:4-3 1:1.41 1-2 2. 2 (4-3)
*Designed for transceivers utilizing a single supply voltage (+5V).
CHARACTERISTICS
Package C Package D
Notes:
1. All dimensions are in inches.
2. Tolerances: .xx = +.008
3. All specifications and dimensions
are subject to change without notice.
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nsingle ratio nthrough the board
