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Mean Well

Mean Well MPT-45C Power Supply 45W 5V 15V -15V 3A

SKU MPT-45C
$49.81 USD
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Available to order
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Overview

MPT-45C is the model of this series: rated power 43.5W, typical efficiency 75%.

Features

  • Universal AC input / Full range
  • Low leakage current <250μA
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Medical safety approved (2 x MOPP between primary to secondary)
  • 100% full load burn-in test
  • Fixed switching frequency at 45KHz
  • 3 years warranty

Specifications

MPT-45CSpecifications from the official datasheet (2022-02-28 edition)

OUTPUT

OUTPUT NUMBER
CH1 / CH2 / CH3
DC VOLTAGE CH1
5V
DC VOLTAGE CH2
15V
DC VOLTAGE CH3
-15V
RATED CURRENT CH1
3A
RATED CURRENT CH2
1.6A
RATED CURRENT CH3
0.3A
CURRENT RANGE CH1
0.4 ~ 5A
CURRENT RANGE CH2
0.2 ~ 2.3A
CURRENT RANGE CH3
0 ~ 0.5A
RATED POWER
43.5W
OUTPUT POWER (max.)
52W with 18CFM min. Forced air convection
RIPPLE & NOISE (max.) CH1Note.2
60mVp-p
RIPPLE & NOISE (max.) CH2Note.2
120mVp-p
RIPPLE & NOISE (max.) CH3Note.2
100mVp-p
VOLTAGE ADJ. RANGE
CH1:4.5 ~ 5.5V
VOLTAGE TOLERANCE CH1Note.3
±4.0%
VOLTAGE TOLERANCE CH2Note.3
±7.0%
VOLTAGE TOLERANCE CH3Note.3
±5.0%
LINE REGULATION CH1
±1.0%
LINE REGULATION CH2
±2.0%
LINE REGULATION CH3
±1.0%
LOAD REGULATION CH1
±3.0%
LOAD REGULATION CH2
±4.0%
LOAD REGULATION CH3
±1.0%
SETUP, RISE TIME
800ms, 20ms/230VAC 800ms, 20ms/115VAC at full load
HOLD UP TIME (Typ.)
80ms/230VAC 12ms/115VAC at full load

INPUT

VOLTAGE RANGE
90 ~ 264VAC 127 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
EFFICIENCY(Typ.)
75%
AC CURRENT (Typ.)
1.2A/115VAC 0.7A/230VAC
INRUSH CURRENT (Typ.)
COLD START 20A/115VAC 40A/230VAC
LEAKAGE CURRENTNote.7
Earth leakage current < 250μA/264VAC , Touch current < 60μA/264VAC

PROTECTION

OVERLOAD
53 ~ 75W rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
5.75 ~ 6.75VDC on CH1 Protection type : Hiccup mode, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.
-10 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-20 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.04%/℃ (0 ~ 50℃) on +5V output
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
ANSI/AAMI ES60601-1, TUV EN60601-1, IEC60601-1 approved
ISOLATION LEVEL
Primary-Secondary: 2xMOPP, Primary-Earth:1xMOPP
WITHSTAND VOLTAGE
I/P-O/P:4KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC 1min.
ISOLATION RESISTANCE
I/P-O/P, I/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to EN55011 (CISPR11) Class B, EN61000-3-2,-3
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11, EN60601-1-2, medical level

OTHERS

MTBF
2952.3K hrs min. Telcordia SR-332 (Bellcore) ; 402.8K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
127*76*28mm (L*W*H)
PACKING
0.21Kg; 72pcs/18Kg/1.28CUFT
Test conditions and notes7
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets 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)
  5. 5. Mounting holes M1 and M2 should be grounded for EMI purposes.
  6. 6. Heat Sink HS1,HS2 can not be shorted.
  7. 7. Touch current was measured from primary input to DC output.

Technical drawings

MPT-45C Mechanical Specification
Mechanical Specification
MPT-45C Block Diagram
Block Diagram

Downloads

FAQ

Can I use the MPT-45C for a 5V embedded controller with analog signal conditioning?

Yes. This model provides constant-voltage 5V output rated at 3A (0.4–5A current range) within 43.5W total rated power, and its product configuration includes 15V and -15V rails for mixed-signal boards. That makes it a practical fit for embedded control hardware that combines 5V logic with analog circuitry.

Is the MPT-45C suitable for industrial instrumentation or measurement electronics?

It can be a good match for instrumentation electronics that need regulated 5V logic power and use the 15V and -15V outputs shown in the product name. The constant-voltage design and 43.5W rating make it more appropriate for control and signal-processing assemblies than for higher-power 5V loads.

Can this power supply run a 5V automation control board inside a machine cabinet?

Yes, if the board is designed for constant-voltage 5V input and stays within the 5V output's 0.4–5A current range (3A rated) and 43.5W total rated power. Its compact 127 × 76 × 28 mm size also helps when space is limited inside a protected control enclosure.

Is the MPT-45C a good choice for low-power test or lab control electronics?

It is suitable for low-power electronic assemblies that need regulated 5V plus the 15V and -15V rails named for this model. With 43.5W total rated power and 3A rated on the 5V output, it fits lighter-duty control and analog support tasks better than larger 5V systems.

Can the MPT-45C be used in outdoor or harsh exposed locations?

The listed operating temperature is -10°C to +60°C (with derating per the derating curve), but no IP rating is provided in the specs. That points to indoor use or installation inside a protected enclosure rather than direct outdoor exposure.

How does the MPT-45C compare with nearby MPT 5V models?

Within the MPT-45 series, MPT-45A is 40.5W with 5V, 12V and -5V outputs, MPT-45B is 42.6W with 5V, 12V and -12V outputs, and MPT-45C is 43.5W with 5V, 15V and -15V outputs. All three rate the 5V output at 3A, so the main differences are the auxiliary rails and total rated power.

Payment & Security

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Mean Well MPT-45C Power Supply 45W 5V 15V -15V
Mean Well

Mean Well MPT-45C Power Supply 45W 5V 15V -15V 3A

$49.81 USD

MPT-45C is the model of this series: rated power 43.5W, typical efficiency 75%.

Features

  • Universal AC input / Full range
  • Low leakage current <250μA
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Medical safety approved (2 x MOPP between primary to secondary)
  • 100% full load burn-in test
  • Fixed switching frequency at 45KHz
  • 3 years warranty
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