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Mean Well

Mean Well IRM-03-5S Switching Power Supply 3W 5V 600mA - Encapsulated

miniature encapsulated typeSMD style
SKU IRM-03-5S
$7.96 USD
Shipping calculated at checkout.

Select model — 16 in this family

IRM-03-5S
In stock
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Overview

IRM-03-5S is the 5V output model of this series: rated current 600mA, rated power 3W, typical efficiency 72%. Type S: SMD style.

IRM-03 is a 3W miniature (37*24*15mm) AC-DC module-type power supply, ready to be soldered onto the PCB boards of various kinds of electronic instruments or industrial automation equipments. This product allows a universal input voltage range of 85~305Vac. The phenolic case and potted with silicone enhance the heat dissipation and meet the anti-vibration demand up to 5G; moreover, it provides the fundamental resistance to dust and moisture. With the high efficiency up to 80% and the extremely low no-load power consumption below 0.075W, IRM-03 series fulfills the worldwide regulation for the low power consumption requirement for electronics. The entire series is a Class Ⅱ design (no FG pin), incorporating the built-in EMI filtering components, enabling the compliance with BS EN/ EN55032 Class B; the supreme EMC features keep the end electronic units from electromagnetic interference. In addition to module-type model, IRM-03 series also offers the SMD style model.

Features

  • Universal AC input / Full range
  • No load power consumption<0.075W
  • Compact size
  • Comply with BS EN/EN55032 Class B without any additional components
  • Wide operating temp. range -30~85℃
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Isolation ClassⅡ
  • High reliability, low cost
  • 3 years warranty

Specifications

IRM-03-5SSpecifications from the official datasheet (2025-08-08 edition)

OUTPUT

DC VOLTAGE
5V
RATED CURRENT
600mA
CURRENT RANGE
0 ~ 600mA
RATED POWER
3W
RIPPLE & NOISE (max.)Note.2
100mVp-p
VOLTAGE TOLERANCENote.3
±2.5%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIME
600ms, 30ms/230Vac 600ms, 30ms/115Vac at full load
HOLD UP TIME (Typ.)
40ms/230Vac 8ms/115Vac at full load

INPUT

VOLTAGE RANGE
85 ~ 305Vac 120~430Vdc
FREQUENCY RANGE
47 ~ 63Hz
EFFICIENCY (Typ.)
72%
AC CURRENT (Typ.)
70mA/115Vac 40mA/230Vac 35mA/277Vac
INRUSH CURRENT (Typ.)
10A/115Vac 20A/230Vac
LEAKAGE CURRENT
< 0.25mA/277Vac

PROTECTION

OVERLOAD
105%~260% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
5.2~ 6.8V Protection type : Shut off o/p voltage, clamping by zener diode

ENVIRONMENT

WORKING TEMP.
-30 ~ +85℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +100℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 5G 10min./1cycle, period for 60min. each along X, Y, Z axes
SOLDERING TEMPERATURE
Wave soldering: 265℃,5s (max.); Manual soldering: 390℃,3s (max.); Reflow soldering(SMD style): 240℃,10s (max.)

SAFETY & EMC

SAFETY STANDARDS
IEC62368-1,IEC61558-1/-2-16,UL62368-1, TUV BS EN/EN62368, BS EN/EN60335-1, BS EN/EN61558-1/-2-16, EAC TP TC 004, BSMI CNS15598-1 approved, design refer to IEC60601-1 (By request)
OVER VOLTAGE CATEGORY
IEC/EN 61558-1/-2-16(OVC Ⅱ, altitude up to 2000m); IEC/EN/UL 62368-1(OVC Ⅱ, altitude up to 2000m)
WITHSTAND VOLTAGE
I/P-O/P:4.2KVac
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500Vdc / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020, CNS15936 Class B
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, heavy industry level (surge L-N : 1KV), EAC TP TC 020

OTHERS

MTBF
10762.8K hrs min. Telcordia SR-332 (Bellcore) ; 2137.6K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
PCB mounting style : 37*24*15mm (L*W*H) SMD style : 37*24*16mm (L*W*H)
PACKING
PCB mounting style : 0.023Kg;560pcs/14.1Kg/0.77CUFT SMD style :0.023Kg;560pcs/14.1Kg/0.77CUFT

Certifications & ratings

Marked features
LPS

MODEL ENCODING

Blank
PCB mounting style
S (this model)
SMD style
Test conditions and notes4
  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 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

IRM-03-5S fosc : 130KHz
fosc : 130KHz
IRM-03-5S Derating Curve
Derating Curve
IRM-03-5S Mechanical Specification
Mechanical Specification
IRM-03-5S Recommended PCB layout (for SMD
Recommended PCB layout (for SMD

Typical applications

  • Industrial electrical equipment
  • Mechanical equipment
  • Factory automation equipment
  • Handheld electronic device

Downloads

FAQ

Can I use the IRM-03-5S to power a 5V microcontroller or logic circuit?

Yes, this model delivers a constant 5V output rated at 3W with 600mA available. That makes it suitable for many 5V logic, controller, and embedded circuits that fit within a 600mA load limit.

Is the IRM-03-5S appropriate for a small industrial interface board?

It can be a good choice for a small industrial interface board that needs an internal 5V rail from AC input. The 3W capacity is intended for low-power electronics rather than higher-current 5V devices.

Can this power supply run 5V monitoring or sensing electronics in a control system?

Yes, if the sensing or monitoring electronics require a regulated 5V source and the total current stays at or below 600mA. Its 85-305VAC input range also helps when the same equipment is deployed in different AC regions.

Would the IRM-03-5S work in a compact embedded product with limited board space?

Yes, its miniature encapsulated SMD form factor supports compact internal designs. The module measures 37.0 x 24.0 x 16.0 mm and weighs 0.023 kg, which fits space-constrained embedded products needing a 5V rail.

Is the IRM-03-5S suitable for outdoor use?

Its operating temperature range is -30°C to +85°C, so it can tolerate a wide temperature span inside protected equipment. No IP rating is listed, so it should be used in enclosed or sheltered equipment rather than in exposed outdoor conditions.

How does the IRM-03-5S compare with other 5V IRM models?

Within the IRM-03 series, the 5V output comes in two versions: IRM-03-5 (PCB mounting style, 37 x 24 x 15 mm) and IRM-03-5S (SMD style, 37 x 24 x 16 mm), both rated 3W and 600mA. The series also covers 3.3V, 9V, 12V, 15V and 24V outputs, all at 3W. The IRM-03-5S is the SMD-style 3W option in that 5V range.

Payment & Security

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Mean Well IRM-03-5S Switching Power Supply 3W 5V 600mA - Encapsulated
Mean Well

Mean Well IRM-03-5S Switching Power Supply 3W 5V 600mA - Encapsulated

$7.96 USD

IRM-03-5S is the 5V output model of this series: rated current 600mA, rated power 3W, typical efficiency 72%. Type S: SMD style.

IRM-03 is a 3W miniature (37*24*15mm) AC-DC module-type power supply, ready to be soldered onto the PCB boards of various kinds of electronic instruments or industrial automation equipments. This product allows a universal input voltage range of 85~305Vac. The phenolic case and potted with silicone enhance the heat dissipation and meet the anti-vibration demand up to 5G; moreover, it provides the fundamental resistance to dust and moisture. With the high efficiency up to 80% and the extremely low no-load power consumption below 0.075W, IRM-03 series fulfills the worldwide regulation for the low power consumption requirement for electronics. The entire series is a Class Ⅱ design (no FG pin), incorporating the built-in EMI filtering components, enabling the compliance with BS EN/ EN55032 Class B; the supreme EMC features keep the end electronic units from electromagnetic interference. In addition to module-type model, IRM-03 series also offers the SMD style model.

Features

  • Universal AC input / Full range
  • No load power consumption<0.075W
  • Compact size
  • Comply with BS EN/EN55032 Class B without any additional components
  • Wide operating temp. range -30~85℃
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Isolation ClassⅡ
  • High reliability, low cost
  • 3 years warranty

Typical applications

  • Industrial electrical equipment
  • Mechanical equipment
  • Factory automation equipment
  • Handheld electronic device

Model

  • 1W 5V
  • 1W +S 5V
  • 2W 5V
  • 2W +S 5V
  • 3W 5V
  • 3W +S 5V
  • 5W 5V
  • 10W 5V
  • 15W 5V
  • 20W 5V
  • 30W 5V
  • 30W +ST 5V
  • 45W 5V
  • 45W +ST 5V
  • 60W 5V
  • 60W +ST 5V
View product

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