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Mean Well RSD-100C-12 DC-DC Converter - 100.8W - 33.6~62.4V in 12V out 8.4A

miniature sizeeconomicalwithstand 5G vibration and 70°C operation

SKU RSD-100C-12

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Overview

RSD-100C-12 is the 12V output model of this series: rated current 8.4A, rated power 100.8W, typical efficiency 91%.

Features

Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
2:1 wide input range
Protections: Short circuit / Overload / Over voltage / 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-100C-12Specifications from the official datasheet (2025-07-18 edition)

OUTPUT

DC VOLTAGE: 12V
RATED CURRENT: 8.4A
CURRENT RANGE: 0 ~ 8.4A
RATED POWER: 100.8W
RIPPLE & NOISE (max.)^Note.2: 120mVp-p
VOLTAGE TOLERANCE^Note.3: ±2.0%
LINE REGULATION: ±0.3%
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: 33.6 ~ 62.4VDC
VOLTAGE RANGE 1 SEC.: 28.8 ~ 67.2VDC
EFFICIENCY (Typ.): 91%
DC CURRENT (Typ.): 2.4A/48V
INRUSH CURRENT (Typ.): 30A/48VDC
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: 13.8 ~ 16.2V Protection type : Shut down o/p voltage, re-power on to recover

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 5)

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: 2446.2K hrs min. Telcordia SR-332 (Bellcore) ; 254.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 161*68*36mm (L*W*H)
PACKING: 0.563Kg; 24pcs/14.5Kg/0.91CUFT

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. Strongly recommended that external output capacitance should not exceed 5000uF. (Only for: RSD-100-5 / -12)
5. 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 )
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-100C-12 Mechanical Specification — Mechanical Specification

RSD-100C-12 Block Diagram — Block Diagram

RSD-100C-12 Input Under-Voltage Protection — Input Under-Voltage Protection

RSD-100C-12 Efficiency vs Load & Vin Curve — Efficiency vs Load & Vin Curve

RSD-100C-12 Overload Protection — Overload Protection

RSD-100C-12 Immunity to Environmental Conditions — Immunity to Environmental Conditions

Downloads

Certificates1

EMC Certificate(RSD-100)(EN) PDF Download

Test reports1

Test Report(RSD-100C-12)(EN) PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the RSD-100C-12 to supply 12V PLC or industrial control equipment from a 33.6~62.4V DC bus?

Yes, this converter is intended for constant-voltage 12V output from a 33.6~62.4V input range. With up to 8.4A and 100.8W available, it fits 12V PLC accessories, relays, I/O modules, and other control loads within that power budget.

Is the RSD-100C-12 a good fit for 48V telecom or automation cabinets that need 12V power?

Yes, nominal 48V DC systems fall within the 33.6~62.4V input range of this model. It converts that input to a regulated 12V output at up to 8.4A and 100.8W for 12V control and embedded equipment.

Can the RSD-100C-12 be used for 12V embedded systems in compact industrial enclosures?

Its 161.0 × 68.0 × 36.0 mm housing and 0.563 kg weight make it suitable where enclosure space is limited. It is intended for constant-voltage 12V loads up to 8.4A and 100.8W from a 33.6~62.4V DC source.

Is this converter appropriate for equipment exposed to wide temperature swings?

It operates from -40°C to +55°C without derating, and up to +70°C at 60% load by free air convection or at full load when mounted on an external base plate (EN50155 TX class). No IP rating is provided, so it is best used in a protected cabinet or enclosure if the installation environment includes dust, washdown, or direct weather exposure.

What are the main differences between the RSD-100C-12 and related 100W RSD-100 models?

Within the RSD-100 100W group, the 12V models are RSD-100B-12, RSD-100C-12, and RSD-100D-12, each rated at 100.8W and 8.4A. The matching 24V models are RSD-100B-24, RSD-100C-24, and RSD-100D-24 at 100.8W and 4.2A, and the 5V models are RSD-100B-5, RSD-100C-5, and RSD-100D-5 at 100W and 20A; the C version belongs to the 33.6~62.4V input family.

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Mean Well RSD-100C-12 DC-DC Converter - 100.8W - 33.6~62.4V in 12V out 8.4A

Overview

Features

Specifications

OUTPUT

INPUT

PROTECTION

ENVIRONMENT

SAFETY & EMC (Note 5)

OTHERS

Technical drawings

Downloads

Certificates1

Test reports1

Catalogues2

FAQ

Payment & Security

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Mean Well RSD-100C-12 DC-DC Converter - 100.8W - 33.6~62.4V in 12V out 8.4A

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