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Mean Well PM-05-12 Power Supply 5W 12V 420mA

SKU PM-05-12
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Overview

PM-05-12 is the 12V output model of this series: rated current 0.42A, rated power 5.04W, typical efficiency 73%.

Features

  • Universal AC input / Full range
  • Protections: Short circuit / Overload / Over voltage
  • Ultra-miniature size, light weight
  • Cooling by free air convection
  • Isolation classⅡ
  • Medical safety approved (2 x MOPP between primary to secondary)
  • No load power consumption<0.5W
  • 100% full load burn-in test
  • Fixed switching frequency at 67KHz
  • High reliability
  • Suitable for BF application with appropriate system consideration
  • 3 years warranty

Specifications

PM-05-12Specifications from the official datasheet (2022-09-20 edition)

OUTPUT

DC VOLTAGE
12V
RATED CURRENT
0.42A
CURRENT RANGE
0 ~ 0.42A
RATED POWER
5.04W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE TOLERANCENote.3
±2.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±1.0%
SETUP, RISE TIME
1000ms, 20ms/230VAC 1000ms, 20ms/115VAC at full load
HOLD UP TIME (Typ.)
100ms/230VAC 24ms/115VAC at full load

INPUT

VOLTAGE RANGE
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 440Hz
EFFICIENCY (Typ.)
73%
AC CURRENT (Typ.)
0.12A/115VAC 0.08A/230VAC
INRUSH CURRENT (Typ.)
COLD START 25A/115VAC 45A/230VAC
LEAKAGE CURRENTNote.5
Touch current < 80μ A/264VAC

PROTECTION

OVERLOAD
Above 105% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
13.8 ~ 16.2V Protection type : Shut off o/p voltage, clamping by zener diode

ENVIRONMENT

WORKING TEMP.
-20 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
ANSI/AAMI ES60601-1, TUV EN60601-1, IEC60601-1, EAC TP TC 004 approved
ISOLATION LEVEL
Primary-Secondary: 2xMOPP
WITHSTAND VOLTAGE
I/P-O/P:4KVAC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to EN55011(CISPR11),EN55032 (CISPR32) Class B, EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11, EN55035, EN60601-1-2, EN61204-3, medical level, EAC TP TC 020

OTHERS

MTBF
1513.4Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
62.85*50*19.7mm (L*W*H)
PACKING
0.079Kg; 120pcs/10.5Kg/0.94CUFT
Test conditions and notes6
  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. The final equipment must be re-confirmed that it still meets EMC directives.
  5. 5. Touch current was measured from primary input to DC output.
  6. 6. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

PM-05-12 Block Diagram
Block Diagram
PM-05-12 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the PM-05-12 for a small 12V PLC I/O module or relay board?

Yes, if the load needs a constant 12V DC supply and stays within 0.42A and 5.04W. That makes it a fit for low-power industrial control electronics rather than higher-draw 12V devices.

Is the PM-05-12 suitable for powering a 12V sensor, transmitter, or signal interface in an automation panel?

It can be used for low-power 12V automation electronics that require constant voltage output. The key limit is the available 12V at 0.42A, with total output capped at 5.04W.

Can this 12V power supply run a compact embedded controller or communications board?

It is appropriate for embedded or control boards that are designed for 12V DC input and have modest power demand. The board and any attached accessories must remain under 0.42A and 5.04W.

Would the PM-05-12 work for 12V alarm, annunciator, or status-indication hardware?

Yes, it can suit small 12V indication and control-cabinet devices when the load is within the unit's constant-voltage 12V output range. Its 5.04W rating means it is best for lighter-duty electronics, not larger 12V loads.

How does the PM-05-12 compare with the other PM family options listed here?

In the PM-05 5W series, the related options are PM-05-15 at 4.95W, 15V, 0.33A; PM-05-24 at 5.52W, 24V, 0.23A; PM-05-3.3 at 4.125W, 3.3V, 1.25A; and PM-05-5 at 5W, 5V, 1A. All share the same 85-264VAC input, so the main difference is the output voltage and the current available at that voltage.

Is the PM-05-12 suitable for outdoor or unprotected locations?

The provided specs show an operating temperature range of -20°C to +70°C, but no IP rating is listed. Based on that, it is better treated as a power supply for protected indoor equipment or enclosed systems rather than exposed outdoor use.

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Mean Well

Mean Well PM-05-12 Power Supply 5W 12V 420mA

PM-05-12 is the 12V output model of this series: rated current 0.42A, rated power 5.04W, typical efficiency 73%.

Features

  • Universal AC input / Full range
  • Protections: Short circuit / Overload / Over voltage
  • Ultra-miniature size, light weight
  • Cooling by free air convection
  • Isolation classⅡ
  • Medical safety approved (2 x MOPP between primary to secondary)
  • No load power consumption<0.5W
  • 100% full load burn-in test
  • Fixed switching frequency at 67KHz
  • High reliability
  • Suitable for BF application with appropriate system consideration
  • 3 years warranty
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