M230.B (11/14)1
pulseelectronics.com
MIL-STD-1553 Transformers
Stacked Dual THT non-QPL Interface Transformers
Notes:
1. All dimensions: in inches.
2. Tolerances: .xx = +.008
3. All specifications and
dimensions are subject
to change without notice.
Part Number
1
Termimals Ratio (±3%) RDC (Ω MAX) Impedance (Ω MIN)
(XXXX)1553-1
1-3 : 4-8 (11-13 : 14-18) 1CT:1CT 1-3 (11-13) = 3.5 (1-3 & 11-13)
1-3 : 5-7 (11-13 : 15-17) 1CT:.707CT 4-8 (14-18) = 3.0 4,000
(XXXX)1553-2
1-3 : 4-8 (11-13 : 14-18) 1.4CT:1CT 1-3 (11-13) = 3.0 (1-3 & 11-13)
1-3 : 5-7 (11-13 : 15-17) 2CT:1CT 4-8 (14-18) = 3.0 7,200
(XXXX)1553-3
1-3 : 4-8 (11-13 : 14-18) 1.25CT:1CT 1-3 (11-13) = 3.2 (1-3 & 11-13)
1-3 : 5-7 (11-13 : 15-17) 1.66CT:1CT 4-8 (14-18) = 3.0 4,000
(XXXX)1553-5
2
1-3 : 4-8 (11-13 : 14-18) 1CT:2.12CT 1-3 (11-13) = 1.0 (4-8 & 14-18)
1-3 : 5-7 (11-13 : 15-17) 1CT:1.5CT 4-8 (14-18) = 3.5 4,000
(XXXX)1553-45
2
1-3 : 4-8 (11-13 : 14-18) 1CT:2.5CT 1-3 (11-13) = 1.0 (4-8 & 14-18)
1-3 : 5-7 (11-13 : 15-17) 1CT:1.79CT 4-8 (14-18) = 3.5 4,000
Characteristics
NOTE: 1. Refer to prefix table (above) to select temperature range. 2. Designed for transceivers utilizing a single supply voltage (+5V).
Dual ratio, dual interface (see schematic)
Through-the-board package
MSL: 1
For use in MIL-STD-1553 applications
Vertically stacked for minimum XY area
Performance to MIL-PRF-21038 requirements
Built in ISO 9001 facility
Applicable specifications:
n
MIL-STD-1553B
n
MIL-STD-202
n
MIL-PRF-21038
n
ISO 9001
Impedance (see table below)
Droop £ 20%
Overshoot ±1V MAX
Common Mode Rejection (CMR) £ 45dB
Frequency Range (no load) 75kHz to 1MHz
Operating Temperature Range (see table above)
Weight £ 5 grams
Insualtion Resistance (MIN) 10K MΩ @ 250Vdc
Dielectric Withstanding Voltage 100Vrms
Summary Performance Specifications
These non-QPL interface transformers are built and tested in ISO 9001 approved facilities. They
conform to all electrical and physical parameters of MIL-PRF-21038/27. Choose one of three oper-
ating temperature ranges including 0° to +70°C, -40° to +85°C, or -55° to +125°C.
Schematic
0° to 70°C STQC
-40° to +85°C STQN
-55° to +125°C STQ
Operating Temp. Prefix
Mechanical
