
TWO PEARL BUCK COURT
l BRISTOL, PA 19007-6812 l TEL 215-781-6400 l FAX 215-781-6403 l www.pulsespecialty.com
Low Power Pulse Transformers — 15
CHARACTERISTICS
PA RT NO.
T ERMINALS
RATIO
(+3%)
RDC
(ohm s)
MA X
IMP EDA NC E
(ohm s)
MIN
(XXX X)1553-1
1-3:4-8 (11-13:14-18)
1-3:5-7 (11-13:15-17)
1CT:1CT
1.41CT:1CT
1-3 (11-13) 3.5
4-8 (14-18) 3.0
(1-3 & 11-13)
4,000
(XXX X)1553-2
1-3:4-8 (11-13:14-18)
1-3:5-7 (11-13:15-17)
1.4CT:1CT
2CT:1CT
1-3 (11-13) 3.0
4-8 (14-18) 3.0
(1-3 & 11-13)
7,200
(XXX X)1553-3
1-3:4-8 (11-13:14-18)
1-3:5-7 (11-13:15-17)
1.25CT:1CT
1.66CT:1CT
1-3 (11-13) 3.2
4-8 (14-18) 3.0
(1-3 & 11-13)
4,000
(XXX X)1553-5
1-3:4-8 (11-13:14-18)
1-3:5-7 (11-13:15-17)
1CT:2.12CT
1CT:1.5CT
1-3 (11-13) 1.0
4-8 (14-18) 3.5
(4-8 & 14-18)
4,000
(XXX X)1553-45
1-3:4-8 (11-13:14-18)
1-3:5-7 (11-13:15-17)
1CT:2.5CT
1CT:1.79CT
1-3 (11-13) 1.0
4-8 (14-18) 3.5
(4-8 & 14-18)
4,000
Notes:
1. All dimensions are in inches.
2. Tolerances: .xx = +.008
3. All specifications and dimensions
are subject to change without notice.
Designed for transceivers utilizing a single supply voltage (+5V).
1
2
Refer to prefix table (below) to select temperature range and package.
2
1
2
n dual interface
n stacked
n dual ratio
n surface mount
PULSE SPECIALTY COMPONENTS
0
O to 70OC
-40
O to +85OC
-55
O to +125OC
gull wing package
flat pack
operating temp.
SGQN
SFQN
SFQ
SFQC
SGQC
SGQ