Velleman K8042 Illustrated Assembly Manual Download Page 2

Features

 

 

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low cost universal symmetric power supply 

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just add a suitable transformer and a heatsink 

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ideal for e.g. op-amp applications, amplifiers, ... 

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trimmers can be replaced by potmeters to allow continuous adjustment of output voltage 

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LED output indicators 

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compact size 

 

Specifications :  

 

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positive and negative output adjustable between 1.2 and 24VDC 

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output current: up to 2 x 1A continuous (with suitable heatsink) 

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max. input voltage: 2 x 24VAC 

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very good line and load regulation 

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low ripple 

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short circuit protection 

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thermal protection 

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optional heatsink: HS4003 (for maximum 20W dissipation) 

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dimensions: 78 x 52 x 24mm (3.1" x 2.0" x 0.9") 

Features & Specifications 

Summary of Contents for K8042

Page 1: ...SYMMETRIC 1A POWER SUPPLY K8042 ILLUSTRATED ASSEMBLY MANUAL H8042IP 1 Low cost universal symmetric power supply...

Page 2: ...ut voltage LED output indicators compact size Specifications positive and negative output adjustable between 1 2 and 24VDC output current up to 2 x 1A continuous with suitable heatsink max input volta...

Page 3: ...he eyes Needle nose pliers for bending leads or to hold components in place Small blade and Phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be ha...

Page 4: ...the solder joints are cone shaped and shiny 3 Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME AXIAL COMPONENTS ARE TAPED IN THE CORRECT MOUNTING SEQ...

Page 5: ...1N4007 D10 1N4007 2 Diodes Watch the polarity D CATHODE J 1 Jump wire C3 100nF 104 C4 100nF 104 4 Capacitors C RV1 2K2 2K5 RV2 2K2 2K5 5 Trim potentiometers SK1 2p SK2 2p SK3 3p 6 Terminal blocks LD1...

Page 6: ...specialized dealer to one side of an insulation plate and press it with this side against the heatsink there were the component has to be fitted Then apply a little heat conducting paste to the compo...

Page 7: ...7 Fit the components and heatsink onto the PCB and fix it by means of two 5mm spacers and two screws Solder now the connections of the voltage regulators 2 Heatsink construction 3 Screw Spacer...

Page 8: ...Kit into a enclosure you have to drill two holes in the backside of the housing to pass the 15mm M3 bolts trough 11 Using a metal enclosure as a heatsink Heat conducting paste 15mm M3 bolt Insulation...

Page 9: ...12 Connection enclosure VA 0 Req output voltage Req AC input voltage transformer 1 2 5V 2 x 9VAC 5 9V 2 x 12 15VAC 9 12V 2 x 15VAC 12 15V 2 x 18VAC 15 18V 2 x 22VAC Absolute max AC input 2 x 24VAC 0 V...

Page 10: ...10 PCB 13 PCB layout...

Page 11: ...11 diagram 14 Diagram...

Page 12: ...5 4 1 0 3 2 9 3 2 7 1 3 2 Modifications and typographical errors reserved Velleman nv H8042IP 1 2014 rev 2 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe...

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