SQL48T20033 DC-DC Converter Data Sheet
36-75 VDC Input; 3.3 VDC @ 20A Output
Physical Information
SQL48T Pinout (Through-hole)
PINS 1,2,3,5,6,7 ? 0.040 ±0.002 [? 1.02 ±0.05 ]
WITH ? 0.076 [1.93] SHOULDER
2.300 ±0.010 [58.42 ±0.25 ]
2.000 [50.80]
0.150 [3.81] 4X
Pad/Pin Connections
0.896 ±0.010 [22.76 ±0.25 ]
1
2
TOP VIEW
8
7
6
Pad/Pin #
1
Function
V IN (+)
0.300 [7.62] 2X
0.148 ±0.010 [3.76 ±0.25 ]
3
0.145 ±0.010 [3.68 ±0.25 ]
5
4
PINS 4,8 ? 0.062 ±0.002 [? 1.57 ±0.05 ]
WITH ? 0.096 [2.44] SHOULDER
2
3
4
5
ON/OFF
V IN (-)
V OUT (-)
SENSE(-)
6
TRIM
HT (-xDx0x)
SIDE VIEW
NO HEAT SPREADER
CL
7
8
SENSE(+)
V OUT (+)
SQL48T Platform Notes
HT(-xDxBx)
PL
PL
CUSTOMER PCB
SIDE VIEW
WITH HEAT SPREADER
CUSTOMER PCB
CL
? All dimensions are in inches [mm]
? Pins 1-3, 5-7 are ? 0.040” [1.02]
with ? 0.076” [1.93] shoulder
? Pins 4 and 8 are ? 0.062” [1.57]
with are ? 0.096” [2.44] shoulder
? Pin Material: Brass Alloy 360
? Pin Finish: Tin over Nickel
Height
[HT]
Minimum
Clearance
[CL]
Special
Features
Pin
Option
Pin Length
[PL]
±0.005” [±0.13]
D
0.375” [9.53]
max
0.500”+/-0.020
[12.70+/-0.51]
0.040”
[1.02]
0.040”
[1.02]
0
B
A
B
0.188” [4.78]
0.145” [3.68]
Heat Spreader Interface Information
DEPTH NOTE:
SCREW LENGTH MUST BE SELECTED TO LIMIT HEAT
2.300 ±0.010 [58.42 ±0.25 ]
2.000 [50.80]
SPREADER PENETRATION TO 0.12 [3.0]
M3 X .5 2X
SEE DEPTH NOTE
PIN 1 INDICATOR
0.896 ±0.010 [22.76 ±0.25 ]
0.148 ±0.010 [3.76 ±0.25 ]
0.150 ±0.010 [3.81 ±0.25 ]
TOP VIEW
0.600 [15.24]
Rev 0.2, 3-Mar-11
www.power-one.com
Page 13 of 14
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