Released 2022
Warranty Period 5-year (Refer to Instruction Manuals)

This power supply is manufactured by SMD technology. The stress to P.C.B like twisting or bending causes the defect of the unit, please handle the unit with care.

Features of LHA10F-3R3-Y

• High Efficency
• Small and compact PCB construction (Mounting area is 15% reduced,compared with existing model)
• Low Noise
• Harmonic attenuator (Complies with IEC61000-3-2)
• Extensive optional parts such as dedicated harness are available
• Wide operating temperature (Rated output is available at 55℃)
• Low leakage current (0.15mAmax at AC240V,60Hz 50% reduced,compared with existing model)
• Low power consumption at no load (0.4Wtyp at AC230V 15% reduced,compared with existing model)
• Complies with SEMI F47 (Refer to section 1.1 of the instruction manuals)

Ordering Information and Options

LH(1)  A(2)  10(3)  F(4)  -  (5)  -  (6)  

(1) Series name
(2) Single output
(3) Output wattage
(4) Universal input
(5) Output voltage
(6) Optional
  C: with Coating
  J4: EP (TE Connectivity) connector type
  S: with Chassis
  SN: with Chassis & cover
  Y: with Potentiometer

Please refer to Instruction manual 6.
3D product images are available.

Read Me First
Standard model   SN:with chassis & cover

Recommended EMI Filters


Contents Specifications
Input Voltage AC85 - 264V 1Φ *
Output Wattage 6.6W
Voltage/Current 3.3V 2A
Adjustable  Voltage Range 2.85 - 3.63V
Protection Circuit And Others Overcurrent Protection Works over 105% of rating and recovers automatically
Overvoltage Protection 4.00 to 6.00V
Remote ON/OFF -
Remote Sensing -
Others -
Operating Temperature/Humidity -10 to +70℃, 20 - 90%RH (Non condensing) *
Safety And Noise Regulations Agency Approvals (At only AC input) UL62368-1, C-UL (equivalent to CAN/CSA-C22.2 No.62368-1) , EN62368-1 *
Conducted Noise Complies with FCC-B, VCCI-B, CISPR11-B, CISPR32-B, EN55011-B, EN55032-B
High Attenuation Complies with IEC61000-3-2 (Class A) (Not built-in to active filter) *
Others Dimensions (WxHxD) 50×21.5×62.5mm [1.97x0.85x2.46 inches]
Weight 45g max
Cooling Method Convection/Forced air *
Warranty Period 5-year (Refer to Instruction Manuals)
  • * For further information and how to use, please see in Cosel product catalog.

Block Diagram

Documents Download

Technical Data
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.
Table1 Product Status Information
No. Product Status Definition
1 New Product New Product. Recommended for new design.
2 Recommended Recommended for new design.
3 blank Product in mass production
4 NRND Not recommended for new design.
5 To be discontinued PDN (Product Discontinuation Notice) is issued and LTB (Last Time Buy) is under consideration.
6 Discontinued LTB order is no longer available.