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Mean Well RSD-150B-5 DC-DC Converter - 150W - 16.8~31.2V in 5V out 30A

miniature sizeeconomicalwithstand 5G vibration and 70°C operation

SKU RSD-150B-5

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Overview

RSD-150B-5 is the 5V output model of this series: rated current 30A, rated power 150W, typical efficiency 89%.

Features

Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
2:1 wide input range
Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity
4000VDC I/O isolation
Cooling by free air convection
Half encapsulated
Built-in constant current limiting circuit
1U low profile 36mm
All using 105℃ long life electrolytic capacitors
LED indicator for power on
100% full load burn-in test
3 years warranty

Specifications

RSD-150B-5Specifications from the official datasheet (2025-07-18 edition)

OUTPUT

DC VOLTAGE: 5V
RATED CURRENT: 30A
CURRENT RANGE: 0 ~ 30A
RATED POWER: 150W
RIPPLE & NOISE (max.)^Note.2: 100mVp-p
VOLTAGE TOLERANCE^Note.3: ±2.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±1.0%
SETUP, RISE TIME: 800ms, 50ms at full load
HOLD UP TIME (Typ.): Please refer to page 3 Hold up Time( Load de-rating curve )

INPUT

VOLTAGE RANGE CONTINUOUS: 16.8 ~ 31.2VDC
VOLTAGE RANGE 1 SEC.: 14.4 ~ 33.6VDC
EFFICIENCY (Typ.): 89%
DC CURRENT (Typ.): 7.3A/24V
INRUSH CURRENT (Typ.): 45A/24VDC
INTERRUPTION OF VOLTAGE SUPPLY: EN50155:2021-Comply with S1 level

PROTECTION

OVERLOAD: 105 ~ 135% rated output power Protection type : Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE: 5.75 ~ 7V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE: Shut down o/p voltage, recovers automatically after temperature goes down

ENVIRONMENT

WORKING TEMP.: -40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance
WORKING HUMIDITY: 5 ~ 95% RH non-condensing
STORAGE TEMP.: -40 ~ +85℃
TEMP. COEFFICIENT: ± 0.03%/℃ (0 ~ 50℃ )
VIBRATION: 10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373
OPERATING ALTITUDE: 5000 meters

SAFETY & EMC (Note 4)

SAFETY STANDARDS: IEC 62368-1, UL 62368-1, AS/NZS 62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
WITHSTAND VOLTAGE: I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC
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) Conduction Emission: Class A, Radiation Emission: Class B, EAC TP TC 020
EMC IMMUNITY: Compliance to BS EN/EN61000-4-2,3,4,5,6,8, BS EN/EN55035, light industry level, EAC TP TC 020
RAILWAY STANDARD: BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration,BS EN/EN50121-3-2 for EMC;BS EN/EN45545-2 for fire protection

OTHERS

MTBF: 2405.1K hrs min. Telcordia SR-332 (Bellcore) ; 223.3K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 189*77*36mm (L*W*H)
PACKING: 0.8Kg; 15pcs/13Kg/0.75CUFT

Test conditions and notes6

1. All parameters NOT specially mentioned are measured at 24,48,110VDC 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. 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 )
5. Strongly recommended that external output capacitance should not exceed 5000uF. (Only for: RSD-150-5/-12)
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

RSD-150B-5 Mechanical Specification — Mechanical Specification

RSD-150B-5 Block Diagram — Block Diagram

RSD-150B-5 Input Under-Voltage Protection — Input Under-Voltage Protection

RSD-150B-5 Efficiency vs Load & Vin Curve — Efficiency vs Load & Vin Curve

RSD-150B-5 Overload Protection — Overload Protection

RSD-150B-5 Immunity to Environmental Conditions — Immunity to Environmental Conditions

Downloads

Certificates1

EMC Certificate(RSD-150)(EN) PDF Download

Test reports1

Test Report(RSD-150B-5)(EN) PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the RSD-150B-5 for high-current 5V embedded computing or industrial electronics?

Yes, if the equipment needs constant 5V output and the total draw stays within 30A. With a 150W rating, this model is aimed at higher-current 5V loads than the 100W 5V versions.

Is the RSD-150B-5 a fit for 5V gateways, processors, or logic hardware in an automation cabinet?

It can support regulated 5V electronics that need substantial current, up to 30A total. That makes it suitable for dense 5V control or computing assemblies operating from a higher-voltage DC source.

Can this converter power a 5V communications or monitoring subsystem from a 16.8~31.2V source?

Yes, provided the source is within the stated 16.8~31.2V input range from the product name and the 5V load stays within 30A and 150W. The constant-voltage output is appropriate for electronics that require a regulated 5V supply rail.

Is the RSD-150B-5 suitable for harsh temperatures or outdoor equipment?

The listed operating temperature range is -40°C to +55°C with no derating, extending to +70°C at 60% load by free air convection. No IP rating is provided in the specs, so the product data does not establish outdoor or weather-exposed use.

How does the RSD-150B-5 compare with the other RSD-150 output versions?

Within the RSD-150B series, the 5V model is 150W at 30A, the 12V model is 150W at 12.5A, and the 24V model is 151.2W at 6.3A. The sibling RSD-150C-5 and RSD-150D-5 are also listed at 150W and 30A, while the 12V and 24V C and D versions follow the same 12.5A and 6.3A output pattern.

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Mean Well RSD-150B-5 DC-DC Converter - 150W - 16.8~31.2V in 5V out 30A

Overview

Features

Specifications

OUTPUT

INPUT

PROTECTION

ENVIRONMENT

SAFETY & EMC (Note 4)

OTHERS

Technical drawings

Downloads

Certificates1

Test reports1

Catalogues2

FAQ

Payment & Security

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Mean Well RSD-150B-5 DC-DC Converter - 150W - 16.8~31.2V in 5V out 30A

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