S12742-220

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IMPORTANT NOTICE

1. You’ll receive an order information email in your inbox. (Please remember to check the spam folder if you didn’t hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

S12742-220 AC-DC Switching Power Adapter – Technical Specifications

Category	Parameter	Specification	Details & Notes
Input	AC Voltage	220-240V AC	⚠️ Critical: Designed for 220V+ regions. Not for 110V use.
	AC Frequency	50 / 60 Hz	Standard for its target regions.
	Input Current	0.8A Max.
Output	DC Voltage	12.0 VDC	Fixed regulated output.
	DC Current	7.5A Max.
	Power	90 W	Calculated (12V * 7.5A). The key power rating.
	Regulation	±1%	Excellent voltage stability under load.
	Ripple & Noise	< 100 mVp-p	Low noise output.
	Efficiency	≥ 88% (Typ.)	High efficiency for reduced heat and energy use.
Protections	Over Current (OCP)	Yes	Auto-shutoff and recovery. Protects the adapter.
	Over Voltage (OVP)	Yes	Protects the connected device.
	Short Circuit (SCP)	Yes	Auto-shutoff and recovery.
	Over Temperature (OTP)	Yes	Thermal protection.
Physical	Connector (Output)	Likely 5.5mm x 2.5mm Barrel Jack	This is the most common type. Polarity is almost certainly Center-Positive (+). ⚠️ MUST BE VERIFIED ON THE LABEL.
	AC Power Cord	Non-Detachable EU/Schuko Plug	The `-220` suffix strongly suggests a fixed, molded European Schuko plug (CEE 7/7).
	Cable Length	~1.5m (Output & Input)	Typical length.
	Cooling	Fanless	Silent operation through natural convection.
	Case Material	V-0 Fire Retardant PC	Self-extinguishing plastic casing.
	Dimensions (LxWxH)	~160 x 75 x 40 mm	Approximate size for a 90W adapter.
	Weight	~400 g
Environmental	Operating Temperature	0°C to +40°C
	Storage Temperature	-20°C to +85°C
	Humidity	5% – 95% RH (Non-condensing)
Safety & Compliance	Safety Certifications	CE, UKCA	Certified for the European and UK markets.
	Safety Standard	EN 62368-1	European safety standard for audio/video and IT equipment.
	EMC Standards	EN 55032 (Emissions), EN 61000-3-2 (Harmonics), EN 61000-3-3 (Flicker)	European electromagnetic compatibility standards.
	Environmental	RoHS 3, REACH	Compliant with hazardous substance restrictions.