BusQor DC-DC Bus Converters
    Open-frame, single board construction for higher reliability
BusQor Series Bus Converters The BusQor® bus converter are the next-generation, board-mountable, isolated, fixed switching frequency DC-DC converters that use synchronous rectification to achieve extremely high conversion efficiency.  The BusQor® bus converters are available in Un-regulated, Semi-regulated, Fully-regulated and High Input Voltage models.  The SynQor bus converters are ideal for creating the mid-bus voltage required to drive standard point-of-load (non-isolated) DC-DC isolated converters.
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                       BusQor Half-Brick                                                                                            Product Part Numbering Convention    Product Part Numbering Convention
 
BusQor Half-Brick Mechanical Drawing
 
   NOTES
  1. Pins 1, 2, 4, 6-8 are 0.040" (1.02mm) diameter with 0.080" (2.03mm) diameter standoff shoulders.
  2. Pins 5 and 9 are 0.080" (2.03 mm) diameter shoulderless pins.
  3. Other pin extension lengths available. Recommended pin length is 0.03" (0.76mm) greater than the PCB thickness.
  4. All Pins: Material - Copper Alloy Finish - Tin/Lead over Nickel plate
  5. Undimensioned components are shown for visual reference only.
  6. All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm)
  7. Same net copper planes recommended on customer board in designated areas adjacent to pins 5 and 9, as worst case bottom side clearance could cause exposed copper staple to touch customer board surface.
  8. Weight: 2.6 oz. (75g) typical
  9. Workmanship: Meets or exceeds IPC-A-610C Class II
  10. UL/TUV standards require a clearance greater than 0.04" (1.02mm) between input and output for Basic insulation. This issue should be considered if any copper traces are on the top side of the user's board. Note that the ferrite cores are considered part of the input/primary circuit.

PIN-OUT         See BusQor Converters Pin-Out description
                       BusQor Quarter-Brick                                                                                            Product Part Numbering Convention    Product Part Numbering Convention
 
BusQor Quarter-Brick Mechanical Drawing
 
   NOTES
  1. Pins 1-3 are 0.040" (1.02mm) diameter with 0.080" (2.03 mm) diameter standoff shoulders.
  2. Pins 4 and 5 are 0.062" (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders.
  3. Other pin extension lengths available. Recommended pin length is 0.03" (0.76mm) greater than the PCB thickness.
  4. All Pins: Material - Copper Alloy Finish (6/6 RoHS) - Matte Tin over Nickel plate Finish (5/6 RoHS) - Tin/Lead over Nickel plate
  5. Undimensioned components are shown for visual reference only.
  6. All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm)
  7. Weight: 1.5 oz. (42 g) typical
  8. Workmanship: Meets or exceeds IPC-A-610C Class II
  9. UL/TUV standards require a clearance of 0.04" (1.02mm) around primary areas of the module. Refer to section on Keep Out Areas under Application Considerations for details.
  10. The flanged pins are designed to permit surface mount soldering (allowing to avoid the wave soldering process) through the use of the flanged pin-in-paste technique.
PIN-OUT         See BusQor Converters Pin-Out description
                       BusQor Eighth-Brick                                                                                            Product Part Numbering Convention    Product Part Numbering Convention
 
BusQor Eighth Brick Mechanical Drawing
 
   NOTES
  1. Pins 1-3 are 0.040" (1.02mm) diameter with 0.080" (2.03 mm) diameter standoff shoulders.
  2. Pins 4 and 5 are 0.062" (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders.
  3. Other pin extension lengths available. Recommended pin length is 0.03" (0.76mm) greater than the PCB thickness.
  4. All Pins: Material - Copper Alloy Finish (RoHS 5/6) - Tin/Lead over Nickel plate Finish (RoHS 6/6) - Matte Tin over Nickel plate
  5. Unmeasured components are shown for visual reference only.
  6. All dimensions in inches (mm) Tolerances: x.xx ±0.02 in. (x.x ±0.5mm) x.xxx ±0.010 in. (x.xx ±0.25mm)
  7. Weight: 0.7 oz. (20 g) typical
  8. Workmanship: Meets or exceeds IPC-A-610C Class II
  9. UL/TUV standards require a clearance of 0.04" (1.02mm) around primary areas of the module. Refer to section on Keep Out Areas under Application Considerations for details.
  10. The flanged pins are designed to permit surface mount soldering (allowing to avoid the wave soldering process) through the use of the flanged pin-in-paste technique.
   PIN-OUT         See BusQor Converters Pin-Out description
                       BusQor Extended-Eighth-Brick                                                                                    Product Part Numbering Convention    Product Part Numbering Convention
 
BusQor Extended-Eighth Brick Mechanical Drawing
 
   NOTES
  1. M3 screws used to bolt unit's baseplate to other surfaces such as heatsinks must not exceed 0.10" (2.54mm) depth below the surface of the baseplate.
  2. Applied torque per screw should not exceed 5in-lb (0.7Nm) .
  3. Baseplate flatness tolerance is 0.004" (.10mm) TIR for surface
  4. Pins 1-3 are 0.040" (1.02mm) dia. with 0.080" (2.03mm) dia. standoff shoulder
  5. Pins 4 & 5 are 0.062" (1.57mm) dia. with 0.100" (2.54mm) dia. standoff shoulders
  6. All pins: material: copper alloy finish: matte tin over nickel plate
  7. Undimensioned components are shown for visual reference only
  8. All dimensions in inches (mm) tolerances: X.XX in +/-0.02 (X.X mm +/-0.5 mm) X.XXX in +/-0.010 (X.XX mm +/-0.25 mm)
  9. Weight: 2.2oz (63g) typ.
   PIN-OUT         See BusQor Converters Pin-Out description