FMM03 - 3W AC DC module, miniature size, PCB Mounting and SMD Style
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FMM03 - 3W AC DC module, miniature size, PCB Mounting and SMD Style

FMM03 - 3W AC DC module, miniature size, PCB Mounting and SMD Style - . FMM03 AC DC module

FMM03 AC DC module

Product Type

  • Encapsulated Power

3W single output PCB mounting and SMD type AC DC module. Available in most common output voltages. This product allows a universal input voltage 85~305VAC. The class II design with the high efficiency up to 80% and fulfill the worldwide regulation for the low power consumption requirements for electronics.


  • Universal AC input / Full Range
  • No low power consumption < 0.075W
  • Compact Size
  • Comply with EN55022 calss B w/o any additional components
  • Protections: short circuit / overloead / over voltage
  • Cooling by free air convection
  • Isolation class II
  • High reliability, low cost
  • 3 years warranty


Output setup, rise time600ms, 30ms/230VAC, 600ms, 30ms/115VAC at full load
Output hold up time (Typ.)40ms/230VAC, 8ms/115VAC at full load
Input voltage85 ~ 305VAC ; 120 ~ 430VDC
Input frequency47 ~ 63 Hz
AC current (Typ.)70mA/115VAC, 40mA/230VAC,35mA/277VAC
Inrush current (Typ.)10A/115VAC, 20A/230VAC
Leakage current< 0.25mA/277VAC
Overload protection>= 105%~260% rated output power
Overload protection TypeHiccup mode, recovers automatically after fault condition is removed
Over voltage protection Typeshut off o/p voltage, clamping by zener diode
Working temperature-30 ℃ ~ +85 ℃ (refer to output derating curve)
Working humidity20~90% RH non-condensing
Storage temp., humidity-40 ℃ ~ +100 ℃, 10~95% RH
Temp. coefficient+/- 0.03%/℃ (0 ~ 50 ℃)
Vibration10~500Hz, 5G 10 min. / 1 cycle, period for 60 min. each along x, Y, Z axes
Safety standardsUL60950-1, TUV EN60950-1 approved, Optional IEC60601-1, EN60335-1, EN61558-1/-2-16
Withstandard VoltageI/P-O/P:3KVAC
Isolation ResistanceI/P-O/P:100M ohms / 500VDC / 25 ℃ / 70% RH
EMC emissionCompliance to EN55022 (CISPR22) Class B, EN61000-3-2, -3
EMC immunityCompliance to EN61000-4-2,3,4,5,6,8,11, EN55024, heavy industry level (surge L-N:1KV), criteria A
MTBF2137.6Khrs min., MIL-HDBK-217F (25 ℃)
Dimension PCB mounting style : 37*24*15mm (L*W*H)
SMD style : 37*24*16mm (L*W*H)
PackingPCB mounting style : 0.02 kg; 560pcs/12.8kgs/0.96 CUFT
SMD style : 0.02 kg; 560pcs/12.8kgs/0.96 CUFT




Model No.I/P Vol.O/P Vol.O/P CurrentO/P Watts (max.)
FMM03-S03-P 85 ~ 305VAC3.3 VDC900mA3W
FMM03-S05-P 85 ~ 305VAC5 VDC600mA3W
FMM03-S09-P 85 ~ 305VAC9 VDC333mA3W
FMM03-S12-P 85 ~ 305VAC12 VDC250mA3W
FMM03-S15-P 85 ~ 305VAC15 VDC200mA3W
FMM03-S24-P 85 ~ 305VAC24 VDC125mA3W
FMM03-S03-S 85 ~ 305VAC3.3 VDC900mA3W
FMM03-S05-S 85 ~ 305VAC5 VDC600mA3W
FMM03-S09-S 85 ~ 305VAC9 VDC333mA3W
FMM03-S12-S 85 ~ 305VAC12 VDC250mA3W
FMM03-S15-S 85 ~ 305VAC15 VDC200mA3W
FMM03-S24-S 85 ~ 305VAC24 VDC125mA3W

Mechanical Drawing (Unit: mm)

TAG: 3W AC DC module, AC DC miniature module, PCB mountable power module, encapsulated power,

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21 Years of FMM03 - 3W AC DC module, miniature size, PCB Mounting and SMD Style | Power Supply Manufacturer | FranMar

FranMar International Inc., since 1997, is a prime FMM03 - 3W AC DC module, miniature size, PCB Mounting and SMD Style | power supply manufacturer based in Taiwan.

There are types of AC DC switching power supplies for desktop, wallmount, enclosed, open frame and U-Channel. Particularly for medical power supplies (4-60W outputs), they are designed for healthcare facilities and medical equipment, which is EN/IEC 60601-1-11 approved. Car adaptor and DC/DC converter modules with 1500 VDC isolation are available as well.

FranMar has been offering customers safe, high performance, certified AC/DC power modules and switching power supply with reasonable price, both with advanced technology and 21 years of experience, FranMar ensures each customer's needs are met.

Contact Us

FranMar International Inc.
TEL: 886-2-26980575
FAX: 886-2-26980585

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