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120W Dual output switching power supply

WeHo’s D-120 Series is an AC/DC multi-output Power supply which standard model that offers the most cost-effective option when multiple voltages are required.

D-120 comes in an Enclosed case in dual.

WeHo focuses on producing high-quality power adapters, and stable output.

Automatic overload cut-off, over-voltage cut-off, automatic thermal cut-off, and short circuit protection.

If you have any questions, please do not hesitate to contact us at Email: [email protected].

Model D-120A D-120B
Output DC Voltage 5V 12V 5V 24V
Current Range 0 ~ 12A 0 ~ 5A 0 ~ 6A 0~ 4A
Ripple & Noise 60mVp-p 120mVp-p 60mVp-p 120mVp-p
Voltage ADJ. Range CH1 : ±10% CH2 : ±5% CH1 : ±10% CH2 : ±5%
Line Regulation 0.50% 1.00% 0.50% 1.00%
Load Regulation 0.50% 5.00% 0.50% 6.00%
Setup, Rise Time 200ms, 50ms, 20ms at full load
Input Voltage Range 90 ~ 132VAC / 180 ~ 264VAC selected by switch 254 ~ 370VDC
Frequency Range 47 ~ 63Hz
Efficiency (Typ.) 78% 76%
AC Current (Typ.) 0.8A/115VAC 0.45A/230VAC
Inrush Current (Typ.) Cold Start 18A/115VAC 36A/230VAC
Protection Over-load 105 ~ 150% rated output power
Protection type: Fold back current limiting, recovers automatically after fault condition is removed.


Working Temp -10 ~ +50°C (Refer to output load derating curve)
Working Humidity 20 ~ 90% RH non-condensing
Storage Temp. Humidity -20 ~ +85oC , 10 ~ 95% RH
Temp. Coefficient 0.03%/oC (0 ~ 50oC )
Vibration 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along the X, Y, and Z axes
Safety & EMC Safety Standards Design refers to UL1012
Withstand Voltage I/P-O/P: 3KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
EMI Conduction & Radiation Design refers to FCC Part15 J Conduction
Others MTBF 417.6K hrs min. MIL-HDBK-217F (25 )
Dimension 199*110*50mm (L*W*H)
Packing 0.9Kg; 24*31.5*26CM/20PCS/18KG

Product 105%~150% Type: Pulse hiccup shutdown, reset: automatic recovery.

-10°c~+60°c(Refer to output derating curve), 20%~90%RH.

We make transformers and power inductors with pure coppers all by ourselves.

This product can take input of 90~132VAC or 180~264VAC through a switch.

This product adopts a long-life design, with a normal life of up to 60,000 hours.

We are a power supply manufacturer with 15 years of experience.

This product is both low-cost and reliable.

The product has completed the 100% full load aging test.

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