
2
MECHANICAL DRAWING
QBS SERIES - 120WATT
Thermal Impedance
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
Tolerances
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated for
specific application.
1
2
3
4
5
6
7
8
-V
On/Off
+V
in
-V
-Sense
Trim
+Sense
+V
out
Inches:
.XX ± 0.020
.XXX ± .010
Pin:
± 0.002 ±
0.05
(Dimensions as listed unless otherwise specified.)
(Millimeters)
.X ± 0.5
.XX ± 0.25
Pin
Function
MODELS - (See the last page of this file for options.)
Q
DIA 0.062"
(1.6mm)
0.450"(11.4mm)
0.300"(7.6mm)
0.150"(3.8mm)
0
-0.425"(-10.8mm)
0.815"(20.7mm)
-0.215"(-5.5mm)
0.600"(15.2mm)
8
7
6
5
4
3
2
1
M3X0.5 THROUGH 4PL
MOUNTING INSERTS
DIA 0.040"
(1.0mm)
6PL
0.18"
(4.6mm)
0.50"
(12.7mm)
2.28"
(57.9mm)
1.45"
(36.8mm)
BOTTOM VIEW
0
-0.14"
(-3.6mm) 0.070"
(1.8mm)
1.930"
(49.0mm)
2.000"
(50.8mm)
2PL
Vin
(Volts)
Vin Range
(Volts)
Iin Max.*
(Amps)
Vout
(Volts)
Iout Rated
(Amps)
Ripple &Noise
Pk-Pk (mV)
Efficiency
Typ. **
Model
24
24
24
24
24
48
48
48
48
48
48
48
48
48
18 - 36
18 - 36
18 - 36
18 - 36
18 - 36
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
2.90
3.50
5.20
6.80
6.80
1.40
1.70
2.50
3.30
4.00
3.30
2.50
3.45
4.00
2.5
3.3
5
12
15
2.5
3.3
5
12
12
15
3.3
5.0
15
15.00
15.00
15.00
8.33
6.67
15.00
15.00
15.00
8.33
10.00
6.67
20.0
20.0
8.0
100
100
100
150
150
100
100
100
150
150
150
100
100
150
76%
80%
84%
85%
85%
75%
78%
83%
86%
84%
86%
80%
82%
84%
QBS038YD-A
QBS050YE-A
QBS075YG-A
QBS100YH-A
QBS100YJ-A
QBS038ZD-A
QBS050ZE-A
QBS075ZG-A
QBS100ZH-A
QBS120ZH-A
QBS100ZJ-A
QBS066ZE-A
QBS100ZG-A
QBS120ZJ-A
Denotes advanced product release. Consut factory for product availability.
*Maximuminput current at mnmuminput voltage, maximumrated output power
**At nomnal Vin rated output.