QM48T14120-NDB0G POWER ONE, QM48T14120-NDB0G Datasheet - Page 19

• Manufacturer Part Number: QM48T14120-NDB0G
• Description: DC/DC Converters & Regulators
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of QM48T14120-NDB0G

• Output Power: 168W
• Output Current: 14A
• Input Voltage: 48V
• Output Voltage: 12V
• Screening Level: Industrial
• Product Length (mm): 36.83mm
• Product Height (mm): 7.08mm
• Product Depth (mm): 58.42mm
• Mounting Style: Through Hole
• Pin Count: 8
• Number Of Outputs: 1
• Package / Case: Quarter-Brick
• Product: Isolated
• Input Voltage Range: 36 V to 75 V
• Input Voltage (nominal): 48 V
• Output Voltage (channel 1): 12 V
• Output Current (channel 1): 14 A
• Isolation Voltage: 2000 V
• Package / Case Size: Quarter Brick
• Lead Free Status / RoHS Status: Compliant
• Lead Free Status / RoHS Status: Compliant

Physical Information
ZD-00376 Rev. 1.1.1, 19-Feb-10
Option
Height
D
A
B
(Max. Height)
0.325 [8.26]
0.358 [9.09]
0.422 [10.72]
+0.000 [+0.00]
-0.038 [- 0.97]
HT
QM48S (Surface-mount)
QM48T (Through-hole)
1
2
3
1
2
3
(Min. Clearance)
SIDE VIEW
TOP VIEW
+0.016 [+0.41]
-0.000 [- 0.00]
0.030 [0.77]
0.063 [1.60]
0.127 [3.23]
SIDE VIEW
TOP VIEW
CL
8
7
6
5
4
8
7
6
5
4
Option
QM48T/S14120 DC-DC Converter Data Sheet
Pin
A
B
C
Page 19 of 20
36-75 VDC Input; 12 VDC @ 14 A Output
±0.005 [±0.13]
0.188 [4.77]
0.145 [3.68]
0.110 [2.79]
Pin Length
PL










Pad/Pin #
All dimensions are in inches [mm]
Connector Material: Copper
Connector Finish: Gold over Nickel
Converter Weight: 1.1 oz [31.5 g]
Recommended Surface-Mount Pads:
All dimensions are in inches [mm]
Pins 1-3 and 5-7 are Ø 0.040” [1.02] with Ø
0.078” [1.98] shoulder
Pins 4 and 8 are Ø 0.062” [1.57] without shoulder
Pin Material & Finish: Brass with Tin/Lead over
Nickel or Matte Tin over Nickel (G Version)
Converter Weight: 1.1 oz [31.15 g]
Pad/Pin Connections
1
2
3
4
5
6
7
8
QM48S Platform Notes
Min. 0.080” X 0.112” [2.03 x 2.84]
Max. 0.092” X 0.124” [2.34 x 3.15]
QM48T Platform Notes
QM48T/S Pinout
SENSE(+)
SENSE(-)
Function
ON/OFF
Vout (+)
Vout (-)
Vin (+)
Vin (-)
TRIM
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