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K7520 • Resistor/Capacitor Decade Box Kit


Cat. Page 248

Difficulty Rating


  • $129.00
  • 2+ $116.00
  • Price per each
  • Includes GST


    Northbridge Less than 5pcs
    Balcatta Less than 5pcs
    Cannington Less than 5pcs
    Midland Less than 5pcs
    Myaree Less than 5pcs
    Auburn Less than 5pcs
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    Brisbane Less than 5pcs
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Last updated 22-08-19 01:20:14

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Designed by Altronics. (Silicon Chip Magazine Aug. 2014). A decade box is a really handy device for trying capacitor and resistor values in-circuit before you select the final value to solder down. This box offers a 1Ω to 999,999Ω resistance range and 100pF to 9.99999F capacitance range. The circuit has a residual resistance of 1Ω and residual capacitance of 20pF. Kit includes 0.6 Watt resistors. Output can be set up to be used in series or parallel. Easy thumbwheel value selection.

Includes pre-drilled and screenprinted front panel for a professional finish

Important Note For Kit Buyers:
This product contains components that require SMD soldering. This product is supplied in component form and requires soldering and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.

Why buy an Altronics kit?
Altronics kits are premium do-it-yourself projects designed to be assembled with ease. However, basic electronics knowledge and soldering skills are essential to construct our kits. A difficulty rating is provided to help determine if your ability is sufficient to build the kit project. Please note, once assembly has been commenced we are unable to honor any warranty claims. Please see the full details here.


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*Specifications are subject to change without notice.

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  • Can you advise what the wattage rating of the resistors in the decade box are, and the voltage rating of the caps please. Thank you, Graeme Rodwell

    Hello Graeme, The resistors in the decade box are all rated as 0.6W. The capacitors range in their voltage ratings, from 35V for the capacitors in the x10uF range (all SMD 1210 caps) to 100V in the lower ranges (mostly MKT type caps.) I hope that helps. Regards, Ian-kits


  • Is the unit supplied as pictured, or in kit form where every resistor and capacitor has to be soldered in place?

    Hi Paul, The K7520 is supplied in kit form, ie all parts need to be soldered into place.


  • What are the tolerance ratings on the resistors? Do they have temperature coefficient ratings? Are there any options for buying higher wattage kits or stricter tolerance kits?

    Hello, The resistors are 1% tolerance, and the tempco is stated as being 50 ppm. We do not have options for higher wattage or stricter tolerance K7520 kits unfortunately. You will likely have to source your own parts if that is what you're after. Regards, Kits