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Mean Well MDS01M-12 DC-DC Converter - 1W - 10.8~13.2V in 12V out 84mA
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MDS01M-12 is the 12V output model of this series: rated power 1W, typical efficiency 82%.
MDS01 and MDD01 series are 1W isolated and unregulated module type medical grade DC-DC converter with SIP7 package. It features international standard pins, a high efficiency up to 83%, wide working temperature range -40~+85℃, 6KVDC or 4.2KVAC I/P-O/P high isolation voltage, short circuit protection, etc. The models account for different input voltage 5V/12V/24V±10%, and various output voltage, 3.3V/ 5V/ 12 V/15V for single output and ±5V /±9 V/±12V/±15V for dual outputs, which are suitable for medical systems , ultra low leakage current.
Features
- SIP7 package with international standard pinout
- Operating temperature range -40 ~ +85℃
- Medical safety approved (1xMOPP/2xMOOP) according to ANSI/AAMI ES60601-1
- Low patient leakage current <2μA
- Protection: Short circuit(3 second max.)
- 6KVDC or 4.2KVAC hight I/O isolation (Reinforced isolation)
- Low cost
- 3 years warranty
Specifications
INPUT
- INPUT VOLTAGE (RANGE)
- Normal 12V (10.8 ~ 13.2V)
- VOLTAGE RANGE
- 10.8 ~ 13.2Vdc
- INPUT CURRENT (NO LOAD)
- 15mA
- INPUT CURRENT (FULL LOAD)
- 105mA
- SURGE VOLTAGE (100ms max.)
- 5Vin models : 9Vdc 12Vin models : 18Vdc 24Vin models : 30Vdc
- FILTER
- Internal capacitor
- PROTECTION
- Fuse recommended. 500mA Slow-Blow Type for all models
OUTPUT
- OUTPUT VOLTAGE
- 12V
- OUTPUT CURRENT
- 9 ~ 84mA
- EFFICIENCY (TYP.)
- 82%
- CAPACITOR LOAD (MAX.)* For each output
- 470μF
- VOLTAGE ACCURACY
- ±5.0%
- RATED POWER
- 1W
- RIPPLE & NOISENote.2
- 75mVp-p
- LINE REGULATIONNote.3
- 1.2% for 1% input variation
- LOAD REGULATIONNote.4
- ±10%
- SWITCHING FREQUENCY (Typ.)
- 100KHz
PROTECTION
- SHORT CIRCUIT
- 3 second max.
ENVIRONMENT
- COOLING
- Free-air convection
- WORKING TEMP.
- -40 ~ +85℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +125℃, 10 ~ 95% RH non-condensing
- TEMP. COEFFICIENT
- 0.02% / ℃ (0 ~ 85℃)
- SOLDERING TEMPERATURE
- 1.5mm from case of 1 ~ 3sec./260℃ max.
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- UL60601-1, EAC TP TC 020/2011 approved
- WITHSTAND VOLTAGE
- I/P-O/P:6KVDC or 4.2KVAC
- ISOLATION RESISTANCE
- I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
- ISOLATION LEVEL
- Primary-secondary: 1xMOPP / 2xMOOP when system input voltage is with 250VAC, 50/60Hz
- ISOLATION CAPACITANCE (Typ.)
- 5pF
- EMC EMISSION
-
Parameter Standard Test Level Conducted BS EN/EN55011(CISPR11) Class B Radiated BS EN/EN55011(CISPR11) Class B - EMC IMMUNITY
-
Parameter Standard Test Level ESD BS EN/EN61000-4-2 Level 2, ±8KV contact
OTHERS
- MTBF
- 3500Khrs MIL-HDBK-217F(25℃)
- DIMENSION (L*W*H)
- 19.5*9.8*12.5mm (0.77*0.386*0.492 inch)
- CASE MATERIAL
- Non-Conductive black plastic (UL 94V-0 rated)
- PACKING
- 4.2g ; 25pcs/per tube, 3000pcs/120 tube/per carton
Test conditions and notes6
- 1.All parameters are specified at normal input(L:5Vdc, M:12Vdc, N: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.
- 5.Patient leakage current(2μA max.) and reinforced isolation is based on a 250VAC, 50/60Hz system input voltage.
- 6.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
Typical applications
- Medical devices
- Medical oxygen monitor
- CT scanning
- Medical carts
- Oral care equipment
Downloads
Certificates5
Test reports1
FAQ
Can I use the MDS01M-12 for a low-power 12V rail in embedded or automation electronics?
Yes, it is appropriate for small 12V rails that stay within its 1W output capacity. The converter provides a fixed, unregulated 12V output up to 84mA, which suits light control, sensing, and interface electronics rather than larger 12V loads.
Is the MDS01M-12 a fit for compact industrial control boards with limited space?
Its 19.5 x 9.8 x 12.5 mm dimensions and 0.0042 kg weight make it practical for densely populated boards and compact modules. That form factor, paired with a 1W rating, aligns with small internal power domains inside control hardware.
Can this model support a small 12V auxiliary section inside equipment with a 12V nominal supply?
Yes, that is the kind of use case it fits best, provided the supply stays within 10.8~13.2VDC. The output is a fixed, unregulated 12V with a maximum output current of 84mA, so it is intended for modest auxiliary electronics.
Will the MDS01M-12 work in demanding temperature conditions?
The specified operating temperature is -40 C to +85 C (with load derating at higher temperatures, see the derating curve), which supports use across a wide thermal range. No IP rating appears in the listed specs, so environmental sealing or outdoor suitability is not established by this data alone.
What separates the MDS01M-12 from other models in the same series?
The MDS01M family (12V nominal input) offers 1W single outputs at 5V, 12V, and 15V; there is no 3.3V version in the M range. The siblings are MDS01M-05 at 5V up to 200mA and MDS01M-15 at 15V up to 67mA, while the MDS01M-12 delivers 12V up to 84mA.
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