Embedded Power for
Business-Critical Continuity
Rev. 11.14.08_111
ALQ/AEQ42B50
2 of 3
General Specifications
Efficiency:
Isolation voltage:
Switching frequency:
Material flammability:
Weight:
Demonstrated life test:
Input/output
Fixed
97%
1500 Vdc
195 KHz typ.
UL94V-0
TBD
> 1.4 M Hrs.
Pin Connections
Single Output
1. +Vin
2. Remote on/off
3. -Vin
4. -Vout
5. -Vout
9. +Vout
10. +Vout
Notes:
1. Recommended input fusing is a 20 A HRC 250 V rated
fuse.
2. Measured at 20 MHz bandwidth with external 10
uF tant. capacitor in parallel with 0.1 uF @ 50 V X7R
ceramic capacitor placed across +Vout and -Vout,
T
a
= 25 ºC.
3. Efficiency measurements taken at full load, nominal
input, T
a
= 25 ºC, airflow at 200 LFM.
4. Through-hole termination intended for wave soldering
process.
5. All specifications are considered typical values unless
otherwise noted and are subject to change without
notice.
6. All dimensions are provided in inches [millimeters].
Pin placement tolerance: ± 0.005 [0.127]. Mechanical
tolerance: ± 0.02 [0.50].
7. 2 year warranty.
48 Vin, 40
ºC, 50 % load
Environmental Specifications
Thermal performance:
Operating ambient
temperature
Non-operating
-40 ºC to +85 ºC
-55 ºC to +125 ºC
Protection
Short-circuit:
Thermal:
Input overvoltage
protection (autorecovery):
Hiccup
115 ºC hot spot
57.0 - 59.5 V
55.0 - 58.0 V
T - On threshold
T - Off threshold
Ordering Information
Output
Power
500 W
500 W
Input
Voltage
36 - 55 V
36 - 55 V
Output
Voltage
12 V
12 V
Overall Output
Regulation
8.5 - 13.75 V
8.5 - 13.75 V
Output
Efficiency
Current
42 A
42 A
97%
97%
Model Number
ALQ42B50(N)-(6)L
AEQ42B50(N)-(6)L
Construction
Low profile Open-frame
Baseplate
Notes / options:
Suffix “-6” : 3.7 mm pin length (default is 5 mm)
Suffix “N” : Designates negative logic enable (default is positive logic with no suffix “N” required)
EMERSON-NETWORKPOWER [ EMERSON NETWORK POWER ]
