
MODEL
INPUT VOLTAGE
(VOLTS)
24
24
48
48
48
48
48
INPUT VOLTAGE
RANGE (VOLTS)
18-36
18-36
36-75
36-75
36-75
36-75
36-75
MAXIMUM INPUT
CURRENT (AMPS)*
3.3
4.4
1.4
1.4
1.8
1.6
2.2
OUTPUT
RATED OUTPUT
CURRENT (AMPS)
15
20
20
15
20
15
20
RIPPLE & NOISE
pk-pk (mV)
100
100
75
100
100
100
100
TYPICAL
EFFICIENCY**
85%
85%
76%
85%
83%
86%
86%
VOLTAGE (VOLTS)
3.3
3.3
1.8
2.5
2.5
3.3
3.3
QES050YE-A
QES066YE-A
QES036ZB-A
QES038ZD-A
QES050ZD-A
QES050ZE-A
QES066ZE-A
NOTES:
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
2
Thermal Impedance
Note:
Thermal impedance data is dependent
on many environmental factors. The
exact thermal performance should be
validated for specific application.
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
10.1 °C/W
8.0 °C/W
5.4 °C/W
4.4 °C/W
3.4 °C/W
1
2
3
4
5
6
7
8
-Vin
On/Off
+Vin
-Vout
-Sense
Trim
+Sense
+Vout
0.040"
0.040"
0.040"
0.062"
0.040"
0.040"
0.040"
0.062"
Pin
Function
Pin Diameter
(12.7mm)
0.50"
(1.6mm)
-0.425"(-10.8mm)
0.895"(22.7mm)
0.450"(11.4mm)
0.300"(7.6mm)
0.150"(3.8mm)
0
-0.295"(-7.5mm)
0.600"(15.2mm)
0.18"(4.6mm)
8
7
6
5
4
3
2
1
M2X0.5 THROUGH 2PL
MOUNTING INSERTS
DIA 0.062"
DIA 0.040"
(1.0mm)
2.28"
(57.9mm)
1.45"
(36.8mm)
BOTTOM VIEW
-0.14"
(-3.6mm)
2.010"
(51.1mm)
(-0.3mm)
-0.010"
(50.8mm)
2.000"
0
Tolerances
Inches: (Millimeters)
.XX ± 0.020 .X ± 0.5
.XXX ± 0.010 .XX ± 0.25
Pin:
± 0.002 ± 0.05
(Dimensions as listed unless
otherwise specified.)
MECHANICAL DRAWING
QES SERIES - 66 WATT
MODELS - (See the last page of section for options.)