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Mean Well MDS03F-15 Medical Grade DC/DC Converter 3W - 9-36V input, 15V output 200mA

15V3WDC/DCMedical Grade

SKU MDS03F-15

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Overview

MDS03F-15 is the 15V output model of this series: rated power 3W, typical efficiency 80%.

MDS03 and MDD03 series are 3W isolated and regulated module type medical grade DC-DC converter with DIP 24 package. It features international standard pins, a high efficiency up to 81%, wide working temperature range -40~+90℃, 6KVDC or 4.2KVAC I/P-O/P high isolation voltage, compliance with IEC60601-1 medical standard, continuous-mode short circuit protection, etc. The models account for different input voltage 9~36V and 18~75V 4:1 wide input range, and various output voltage, 5V/12V/15V for single output and ±5V/±12V/±15V for dual output. Which are suitable for medical systems, ultra low leakage current.

Features

DIP 24 package with international standard pinout
4:1 wide input range
Low patient leakage current <5μA
Wide operating temperature range -40 ~ +90℃
Medical safety approved (2xMOPP) according to IEC60601-1
Protections: Short circuit (Continuous) / Overload / UVLO
6KVDC or 4.2KVAC high I/O isolation (Reinforced isolation)
3 years warranty

Specifications

MDS03F-15Specifications from the official datasheet (2025-07-28 edition)

INPUT

INPUT VOLTAGE (RANGE): Normal 12V,24V (9 ~ 36V)
INPUT CURRENT NO LOAD: 20mA
INPUT CURRENT FULL LOAD: 320mA
VOLTAGE RANGE: 9 ~ 36Vdc ,
SURGE VOLTAGE (100ms max.): F models : 50Vdc ; G models : 100Vdc
FILTER: Pi type
PROTECTION (Typ.): Fuse recommended. F models: 2A slow-blow Type, G models: 1A slow-blow Type

OUTPUT

OUTPUT VOLTAGE: 15V
OUTPUT CURRENT: 0 ~ 200mA
EFFICIENCY (TYP.): 80%
CAPACITOR LOAD (MAX.)^{* For each output}: 47μF
VOLTAGE ACCURACY: ±2%
RATED POWER: 3W
RIPPLE & NOISE^Note.2: 150mVp-p
LINE REGULATION^Note.3: ±0.5%
LOAD REGULATION^Note.4: ±0.5%
SWITCHING FREQUENCY (Typ.): 250KHz

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 110 ~ 250% rated output power Protection type : Recovers automatically after fault condition is removed
UNDER VOLTAGE LOCKOUT Start-up voltage: 8.8Vdc
UNDER VOLTAGE LOCKOUT Shutdown voltage: 8Vdc

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +90℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +105℃ max.
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.05% / ℃ (0 ~ 71℃)
SOLDERING TEMPERATURE: 1.5mm from case of 3 ~ 5sec./265℃ max.
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC ( Note.5)

SAFETY STANDARDS: IEC60601-1(LVD) 3rd edition, EAC TP TC 020/2011(EAC TP TC 004 for 48Vin type only) approved
WITHSTAND VOLTAGE: I/P-O/P:6KVDC or 4.2KVAC
ISOLATION RESISTANCE: I/P-O/P:1000M Ohms / 500VDC / 25℃/ 70% RH
ISOLATION LEVEL: Primary-secondary: 2xMOPP when system input voltage is with 250VAC, 50/60Hz
ISOLATION CAPACITANCE (Typ.): 20pF
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55011 N/A
Radiated BS EN/EN55011 Class A without external components
EMC IMMUNITY: Parameter Standard Test Level

ESD BS EN/EN61000-4-2 ±15KV air
Radiated Susceptibility BS EN/EN61000-4-3 10V/m
EFT/Bursts BS EN/EN61000-4-4 ±2KV
Surge BS EN/EN61000-4-5 ±2KV Line-Line
Conducted BS EN/EN61000-4-6 10Vrms(e.m.f.)
Magnetic Field BS EN/EN61000-4-8 30A/m

Parameter	Standard	Test Level
Conducted	BS EN/EN55011	N/A
Radiated	BS EN/EN55011	Class A without external components

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	±15KV air
Radiated Susceptibility	BS EN/EN61000-4-3	10V/m
EFT/Bursts	BS EN/EN61000-4-4	±2KV
Surge	BS EN/EN61000-4-5	±2KV Line-Line
Conducted	BS EN/EN61000-4-6	10Vrms(e.m.f.)
Magnetic Field	BS EN/EN61000-4-8	30A/m

OTHERS

MTBF: >454Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 31.8*20.3*12.2mm (1.25*0.8*0.48 inch)
CASE MATERIAL: UL94V-0 plastic case
PACKING: 17g ; 15pcs/per tube, 750pcs/50 tube max./carton

Test conditions and notes5

1.All parameters are specified at normal input(F: 12Vdc, G: 24Vdc), rated load, 25℃ 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
3.Line regulation is measured from low line to high line at rated load.
4.Load regulation is measured from 10% to 100% rated load for MDD03.
5.The final equipment must be re-confirm that it still meet EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”(as available on http://www.meanwell.com)

Technical drawings

MDS03F-15 Mechanical Specification — Mechanical Specification

MDS03F-15 Plug Assignment — Plug Assignment

MDS03F-15 MDS03 & MDD03 series — MDS03 & MDD03 series

MDS03F-15 MDS03 & MDD03 series (2) — MDS03 & MDD03 series (2)

Typical applications

Downloads

Certificates2

Mean Well MDS(D)03-MDS(D)06-CE-dec Certificate PDF Download

Mean Well MDD-MDS03-06-UK-dec Certificate PDF Download

Test reports1

Mean Well MDS03F-15 Test Report PDF Download

FAQ

Can I use the MDS03F-15 where a medical or industrial device needs a 15V auxiliary rail?

Yes, this medical-grade DC-DC converter is intended for constant 15V output from a 9-36VDC input range. Its 3W rating and 0.2A output current make it suitable for light auxiliary loads, not larger 15V power demands.

Is the MDS03F-15 appropriate for 15V analog or interface circuits in embedded equipment?

It is a practical option when the design needs a regulated 15V rail and operates within a 3W envelope. The 31.8 x 20.3 x 12.2 mm dimensions also support compact embedded assemblies.

Can this converter be used inside laboratory, diagnostic, or automation instruments with wide input variation?

Yes, the 9-36VDC input range gives it flexibility for equipment that may see different upstream supply conditions. The constant-voltage 15V output and 0.017 kg weight make it suitable for low-power instrument sections.

Is the MDS03F-15 suited to outdoor equipment or only controlled enclosures?

The temperature specification of -40C to +90C (with derating per the derating curve) supports a wide operating range. But no IP rating is listed in the supplied data, so the specs do not define outdoor, washdown, or exposed-environment suitability.

How does the MDS03F-15 differ from the other MDS03F versions?

All listed MDS03F versions are medical-grade 3W converters with the same 9-36VDC input range. The family outputs shown are 5V at 0.6A for MDS03F-05, 12V at 0.25A for MDS03F-12, and 15V at 0.2A for this model.

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