Email: info@merryking.com

Our product range includes

  • AC/DC power adapters
  • Wall-mounted and desktop power adapters
  • Interchangeable plug adapters
  • USB chargers and GaN PD chargers
  • Medical-grade power adapters

Fully Customizable Desktop Series

36–600W

Output & Performance

Fixed constant-voltage DC output, matched to your device.

Voltage Accuracy test instrument illustration from the MKF catalog
Voltage Accuracy

Output Examples · 36–600W

Output examplePower
12V / 3A36W
24V / 6.25A150W
48V / 7.5A360W
48V / 12.5A600WDesign example

600W example calculated as 48V × 12.5A; engineering confirmation required.

Ripple & Noise test instrument illustration from the MKF catalog
Ripple & Noise

Configurable Design Targets

Power selection
36–600W
Voltage accuracy
±5% design target
Load range
0–100% rated load target
No-load power
By power level & efficiency requirement
Ripple & noise
mV p-p target set for the output
Output overshoot
≤10% design target
Line / load regulation
±1% / ±5% design targets
Turn-on delay
≤3000ms design target
Hold-up time
10–20ms design target; by AC input & load
Start-up & Hold-up test instrument illustration from the MKF catalog
Start-up &
Hold-up

Series Voltage & Power

SeriesOutput rangeMax. power
MKE3–48V36W
MKF5–48V65W
MKI5–48V / 60V*120W
MKJ5–48V150W
MKK5–56V200W
MKL5–56V250W
MKL212–60V360W
MKM12–60V420W
MKNProject-specific600W

*MKI 60V: Class I CB scope. Output combinations and limits are model-specific; MKN voltage range requires confirmation.

AC Inlets & Regional Power Cords

Inlet, regional plug and cord length selected for the model and destination.

C8 adapter inlet
C8Class II · C7 cord end
C6 adapter inlet
C6Class I · C5 cord end
C14 adapter inlet
C14Class I · C13 cord end

US / JP

United States / Japan
Class IIClass I

EU / KR

Europe / South Korea
Class IIClass I

UK

United Kingdom
Class IIClass I

AU

Australia
Class IIClass I

CN

Mainland China
Class IIClass I

AR

Argentina
Class IIClass I

Class II: L + N · Class I: L + N + protective earth (PE). Regional images are examples; approved cord sets are matched to each market.

DC Cables & Connectors

Cable construction, length, gauge, materials and termination can be specified.

Round DC cable showing jacket and insulated conductors
Round Cable
Flat DC cable with two conductors
Flat Cable
DC cable length examples: 1.2 meters, 1.5 meters and 2 meters
1.2m / 1.5m / 2.0m / Custom
Straight Barrel Plugs example

Straight Barrel Plugs

5.5 × 2.1 / 5.5 × 2.5 / 4.75 × 1.7 / 4.0 × 1.7 / 3.5 × 1.35 / 2.35 × 0.7 / 6.3 × 3.0 / 6.5 × 1.4 mm

Right-angle Barrel Plugs example

Right-angle Barrel Plugs

Various barrel sizes for side-exit cable routing.

Power mini-DIN example

Power mini-DIN

3-pin / 4-pin; overmolded or assembled locking versions.

Locking & Threaded Plugs example

Locking & Threaded Plugs

5.5 × 2.1 / 5.5 × 2.5 mm; locking and threaded versions.

Interchangeable DC Tips example

Interchangeable DC Tips

2-pin / 3-pin connector options.

Stripped & Tinned Ends example

Stripped & Tinned Ends

For internal device wiring or terminal connections.

Additional DIN options: 3 / 4 / 5 / 6 / 7 / 8-pin. Connector sizes, cable gauge and material options depend on the selected model and current rating.

Materials & Components

Material, brand and series options from the MKF customization reference.

MKF adapter internal construction
MKF Internal Construction
MKF insulated transformer
Transformer & Insulation

Transformer Insulation Materials

Transformer bobbin
Phenolic material
Chang Chun T375J / Sumitomo PM-9820
Triple-insulated wire
TOTOKU TIW-2 / Furukawa TEX-E
Insulating tape
3M 1350F-1 / YAHUA CT, PZ series
Insulating varnish
ELANTAS 468-2FC / WP-2952F-2G

Components & Cable Materials

Optocouplers
EL1019 / LTV-1019 / OR1019 / CT1019
Fuses
LANSON / WALTER
Safety capacitors
FARATRONIC X2; Y1 / Y2 safety capacitors
Output cable styles
2464 / 2468 / 1185
Heat-shrink tubing
RSFR-H / SALIPT series

Components and materials are supplied according to the certified configuration of each model.

Merryking technology

Introducing Merryking

Your Trusted Power Supply Partner

Our long history of innovation and technology leadership, broad portfolio of proprietary products and global technical talent help solve our customers' most challenging power delivery problems for:

  • Semiconductor Equipment
  • Industrial and Medical Product
  • Data Center Computing
  • Telecom and Networking Applications
Company Profile

Our Clients

Trusted by industry leaders worldwide

Bosch
Honeywell
Calix
Claro
Corning
Telecom
Telefonica
HOT
ESC
IQ Group
Hitecno
Disbyte
Grupo Ampeer
OMS Besser
Baofeng
Infusystem
Latai
Trinity