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Mean Well RS-50-3.3 Power Supply 50W 3.3V 10A

Name: Mean Well RS-50-3.3 Power Supply 50W 3.3V 10A
Brand: Mean Well
SKU: RS-50-3.3
Price: 18.73 USD
Availability: InStock

miniature sizeeconomicalwithstand 5G vibration and 70°C operation

SKU RS-50-3.3

$18.73 USD

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Select model — 7 in this family

RS-50-3.3

RS-15-3.3 15W 3.3V In stock$10.95 USD

RS-25-3.3 25W 3.3V Low stock$12.61 USD

RS-35-3.3 35W 3.3V Low stock$17.43 USD

RS-50-3.3 50W 3.3V Low stock$18.73 USD

RS-75-3.3 75W 3.3V Backorder$22.69 USD

RS-100-3.3 100W 3.3V Low stock$30.43 USD

RS-150-3.3 150W 3.3V Low stock$32.59 USD

Product variants

In stock

Overview

RS-50-3.3 is the 3.3V output model of this series: rated current 10A, rated power 33W, typical efficiency 78%.

Features

Universal AC input / Full range
Protections: Short circuit / Overload / Over voltage
Cooling by free air convection
LED indicator for power on
100% full load burn-in test
All using 105℃ long life electrolytic capacitors
Withstand 300VAC surge input for 5 second
High operating temperature up to 70℃
Withstand 5G vibration test
No load power consumption<0.5W
High efficiency, long life and high reliability
3 years warranty

Specifications

RS-50-3.3Specifications from the official datasheet (2024-11-22 edition)

OUTPUT

DC VOLTAGE: 3.3V
RATED CURRENT: 10A
CURRENT RANGE: 0 ~ 10A
RATED POWER: 33W
RIPPLE & NOISE (max.)^Note.2: 80mVp-p
VOLTAGE ADJ. RANGE: 3V ~ 3.6V
VOLTAGE TOLERANCE^Note.3: ±3.0%
LINE REGULATION^Note.4: ±0.5%
LOAD REGULATION^Note.5: ±2.0%
SETUP, RISE TIME: 500ms, 30ms/230VAC 1200ms, 30ms/115VAC at full load
HOLD UP TIME (Typ.): 60ms/230VAC 14ms/115VAC at full load

INPUT

VOLTAGE RANGE: 88 ~ 264VAC 125 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage)
FREQUENCY RANGE: 47 ~ 63Hz
EFFICIENCY(Typ.): 78%
AC CURRENT (Typ.): 1.3A/115VAC 0.8A/230VAC
INRUSH CURRENT (Typ.): COLD START 33A/230VAC
LEAKAGE CURRENT: <2mA / 240VAC

PROTECTION

OVERLOAD: 110 ~ 150% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: 3.8 ~ 4.45V Protection type : Hiccup mode, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.: -25 ~ +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, 5G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS: UL62368-1, TUV BS EN/EN62368-1 , AS/NZS 62368.1 , EAC TP TC 004, CCC GB4943.1 approved
WITHSTAND VOLTAGE: I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE: I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION: Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3,GB9254 class B,GB17625.1, EAC TP TC 020
EMC IMMUNITY: Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11; BS EN/EN55035, BS EN/EN61000-6-2 (BS EN/EN50082-2), heavy industry level, EAC TP TC 020

OTHERS

MTBF: 2956.7K hrs min. Telcordia SR-332 (Bellcore) ; 575.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 99*97*36mm (L*W*H)
PACKING: 0.41Kg; 45pcs/19.5Kg/0.94CUFT

Test conditions and notes7

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. Line regulation is measured from low line to high line at rated load.
5. Load regulation is measured from 0% to 100% rated load.
6. 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 https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
7. 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

RS-50-3.3 Mechanical Specification — Mechanical Specification

RS-50-3.3 Derating Curve — Derating Curve

Downloads

Certificates4

UL Certificate (RS-50)(EN) PDF Download

CB Certificate (RS-50)(EN) PDF Download

TUV Certificate (RS-50)(EN) PDF Download

EMC Certificate (RS-50)(EN) PDF Download

Test reports1

Test Report (RS-50-3.3)(EN) PDF Download

Catalogues1

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the RS-50-3.3 for 3.3V logic boards or embedded processor hardware?

Yes, if the load requires constant 3.3V and stays within 10A and 33W. That makes it suitable for 3.3V digital electronics, processor boards, and embedded assemblies that need higher current at a low voltage rail.

Is the RS-50-3.3 suitable for industrial communication modules or low-voltage controller boards?

It can be used for 3.3V constant-voltage electronics up to 10A, with 33W total available output. It is a fit for compact industrial and embedded modules that run directly from a 3.3V DC supply.

Can this model power multiple 3.3V electronics loads in one control system?

It can support multiple 3.3V loads if their combined demand remains within 10A and 33W. The main requirement is that all connected devices are designed for constant 3.3V operation and the total load stays inside the unit's rating.

How does the RS-50-3.3 compare with other 3.3V RS series models?

The RS-50-3.3 is rated at 33W and 10A. Other 3.3V models in the RS series include the RS-15-3.3 (9.9W, 3A), RS-25-3.3 (19.8W, 6A), RS-35-3.3 (35W, 7A), RS-75-3.3 (49.5W, 15A), RS-100-3.3 (66W, 20A), and RS-150-3.3 (99W, 30A). The RS-50-3.3 offers higher current than the RS-35-3.3 but lower total power than the 75W, 100W, and 150W models.

Is the RS-50-3.3 appropriate for outdoor electronics cabinets or only indoor enclosures?

The specs list -25°C to +70°C operation and 5G vibration resistance, which supports demanding indoor equipment environments. No IP rating is provided, so the published data does not confirm outdoor or weather-exposed suitability.

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Mean Well RS-50-3.3 Power Supply 50W 3.3V 10A

Select model — 7 in this family

Overview

Features

Specifications

OUTPUT

INPUT

PROTECTION

ENVIRONMENT

SAFETY & EMC

OTHERS

Technical drawings

Downloads

Certificates4

Test reports1

Catalogues1

FAQ

Payment & Security

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Mean Well RS-50-3.3 Power Supply 50W 3.3V 10A

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