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DC Supply Protector kit (adjustable TH version)
A complete kit to build the through-hole DC Protector with adjustable overvoltage threshold (3-27V or 5-27V). Rated to handle up to 7A.
See the link below for a complete list of parts included. Both TO-92 and SOT-23 versions of the TL431 are provided so you can fit whichever you prefer. Photo shows the assembled kit.
Cat No SC6949. Price: AUD $22.50
1
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In stock:
yes (40 available). Estimated dispatch time: 1-3 days
Related to:
Project: DC Supply Protectors
(June 2024
[print issue]
[online issue]
)
Other items relevant to this project:
DC Supply Protector PCB (adjustable SMD version) [08106241]
($2.50)
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DC Supply Protector PCB (adjustable TH version) [08106242]
($2.50)
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DC Supply Protector PCB (fixed TH version) [08106243]
($2.50)
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DC Supply Protector kit (adjustable SMD version)
($17.50)
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DC Supply Protector kit (fixed TH version)
($20.00)
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DC Supply Protector PCB patterns (PDF download) [08106241-3]
(Free)
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Kit parts list
1 × 50kΩ top-adjust multi-turn trimpot
1 ×
DC Supply Protector PCB [08106242] (adjustable TH version)
Connectors
2 × 2-way mini horizontal terminal block, 5.08mm pitch (blue, small, Philips)
Semiconductors
1 ×
IPP80P03P4L-07 high-current P-channel Mosfet
1 ×
IPP80N06S4L-07 high-current N-channel Mosfet (TO-220)
1 × TL431(A) adjustable shunt regulator (TO-92)
1 × BC546C 65V 100mA NPN transistor (TO-92)
1 × BC556C 65V 100mA PNP transistor (TO-92)
1 × 3mm green diffused LED
1 × 3mm red diffused LED
1 × 1N4148 75V 200mA diode (DO-35)
1 × 1N4744(A) 15V 1W zener diode (DO-41)
1 × 13V 1W zener diode (DO-41)
1 × TL431M regulator (SOT-23)
Through-hole Capacitors
1 × 100nF 100V MKT
Through-hole Resistors
7 × 10kΩ ±1% ¼W
3 × 3.9kΩ ±1% ¼W
2 × 2.2kΩ ±1% ¼W
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