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DC Supply Protector kit (adjustable SMD version)

A complete kit to build the SMD DC Protector with adjustable overvoltage threshold (3-27V). Rated to handle up to 3A.

See the link below for a complete list of parts included. Photo shows the assembled kit.

Cat No SC6948. Price: AUD $17.50 ¹

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In stock:

yes (47 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:

Kit parts list

	1 × 50kΩ top-adjust multi-turn trimpot
	1 × DC Supply Protector PCB [08106241] (adjustable SMD version)

Connectors

2 × 2-way mini horizontal terminal block, 5.08mm pitch (blue, small, Philips)

Semiconductors

	1 × TL431M regulator (SOT-23)
	1 × AO3400 30V 5.8A N-channel Mosfet (SOT-23)
	1 × AO3401A 30V 4.2A P-channel Mosfet (SOT-23)
	1 × BC846C 65V 100mA NPN transistor (SOT-23)
	1 × BC856C 65V 100mA PNP transistor (SOT-23)
	1 × Ultra-bright GREEN M3216/1206 SMD LED
	1 × Ultra-bright RED M3216/1206 SMD LED
	1 × 1N4148WS 75V 200mA fast switching diode (SOD-323)
	2 × BZV55-C10 10V ±1% ½W zener diode (SOD-80C)

SMD Capacitors

1 × 100nF 50V M3216/1206 X7R

SMD Resistors

	7 × 10kΩ ±1% M3216/1206 ¼W
	4 × 7.5kΩ ±1% M3216/1206 ¼W
	4 × 4.7kΩ ±1% M3216/1206 ¼W

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