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Mean Well RSDW10H-03 DC-DC Converter - 10W - 43~160V in 3.3V out 2.5A
Mean Well RSDW10H-03 DC-DC Converter - 10W - 43~160V in 3.3V out 2.5A
Overview
RSDW10H-03 is the 3.3V output model of this series: rated power 10W, typical efficiency 85%.
RSDW10 and RDDW10 series are 10W module type DC-DC reliable railway converter with DIP24 package. It features international standard pins, a high efficiency up to 88%, wide working temperature range -40~+85℃, 3KVDC I/P-O/P isolation voltage, compliance with EN50155 railway standard, continuous-mode short circuit protection, etc. The models account for 43~160V 4:1 wide input range, and various output voltage, 3.3V/5V/12V/15V for single output and ±5V/±12V/±15V for dual outputs, which are suitable for railway, trams, buses and also can be used in the harsh environment with high vibration, high dust, extremely low or high temperature, etc.
Features
- Compliance with EN50155 railway standard
- DIP 24 package with standard pinout
- 4:1 wide input range
- Wide operating temperature range -40 ~ +85℃
- No minimum load required
- Full encapsulated
- Protections: Short circuit (Continuous) / Overload / Over voltage / Input under voltage
- 3KVDC I/O isolation
- Remote ON/OFF control
- 3 years warranty
Specifications
MODEL SELECTION TABLE
- INPUT VOLTAGE (RANGE)
- Normal 110V (43 ~ 160V)
- INPUT CURRENT NO LOAD
- 6mA
- INPUT CURRENT FULL LOAD
- 89mA
- OUTPUT VOLTAGE
- 3.3V
- OUTPUT CURRENT
- 2500mA
- EFFICIENCY (Typ.)
- 85%
- CAPACITOR LOAD (MAX.)
- 2500μF
INPUT
- VOLTAGE RANGE
- 43~160Vdc
- SURGE VOLTAGE (100ms max.)
- 200Vdc
- FILTER
- Pi type
- PROTECTION (Typ.)
- Fuse recommended. 0.5A Fast acting type
- INTERNAL POWER DISSIPATION
- 500mW
OUTPUT
- VOLTAGE ACCURACY
- ±1%
- RATED POWER
- 10W
- RIPPLE & NOISENote.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- Single output models: ±0.5%, Dual output models:±1%
- CROSS REGULATION
- ±5% @ 25%~100% load
- SWITCHING FREQUENCY (Typ.)
- 240KHz
PROTECTION
- SHORT CIRCUIT
- Protection type : Continuous, automatic recovery
- OVERLOAD
- 120 ~ 180% rated output power Protection type : Recovers automatically after fault condition is removed
- OVER VOLTAGE
- Protection type : Clamp by diode
- UNDER VOLTAGE LOCKOUT Start-up voltage
- 40Vdc
- UNDER VOLTAGE LOCKOUT Shutdown voltage
- 38Vdc
FUNCTION
- REMOTE CONTROL
- Power ON: R.C. ~ -Vin >3.5~160Vdc or open circuit ; Power OFF: R.C. ~ -Vin <1.2Vdc or short
ENVIRONMENT
- COOLING
- Free-air convection
- WORKING TEMP.
- -40 ~ +85℃ (Refer to "Derating Curve")
- CASE TEMPERATURE
- +100℃ max.
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +125℃, 10 ~ 95% RH non-condensing
- TEMP. COEFFICIENT
- 0.03% / ℃ (0 ~ 71℃)
- SOLDERING TEMPERATURE
- 1.5mm from case of 1 ~ 3sec./260℃ max.
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes; Mounting: compliance to EN61373(Category 1- Class B)
SAFETY & EMC ( Note.5)
- SAFETY STANDARDS
- EAC TP TC 004 approved
- WITHSTAND VOLTAGE
- I/P-O/P:3KVDC
- ISOLATION RESISTANCE
- I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
- ISOLATION CAPACITANCE (Typ.)
- 1000pF
- EMC EMISSION
-
Parameter Standard Test Level Conducted BS EN/EN55032 Class A with external components Radiated BS EN/EN55032 N/A - EMC IMMUNITY
-
Parameter Standard Test Level ESD BS EN/EN61000-4-2 Level 2, ±8KV air, ±4KV contact Radiated Susceptibility BS EN/EN61000-4-3 Level 2, 3V/m EFT/Bursts BS EN/EN61000-4-4 Level 1, 0.5KV Surge BS EN/EN61000-4-5 Level 1, 0.5KV Line-Line Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.) - RAILWAY STANDARD
- EN50155 including EN61373 for shock & vibration, EN50121-3-2 for EMC
OTHERS
- MTBF
- 1200Khrs MIL-HDBK-217F(25℃)
- DIMENSION (L*W*H)
- 31.8*20.3*12.7mm (1.25*0.8*0.5 inch)
- CASE MATERIAL
- Non-Conductive black plastic
- PACKING
- 16g ; 10pcs/per tube, 600pcs/60 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input(110Vdc), rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
- 3.Line regulation is measured from low line to high line at rated load.
- 4.Load regulation is measured from 10% to 100% rated load.
- 5.The final equipment must be re-confirm that it still meet EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”(as available on http://www.meanwell.com)
Technical drawings
Typical applications
- Bus, tram, metro or railway system
- Telecom/datacom system
- Wireless network
- Industrial control facility
- Instrument
- Analyzer
- Highly vibrating, heavily dusty, extremely low or high temperature harsh environment
Downloads
FAQ
Can I use the RSDW10H-03 for a 3.3V embedded processor, FPGA, or logic rail?
Yes, it is a constant-voltage converter with a 3.3V output rated at 2.5A and 10W. That aligns with applications that need a regulated 3.3V rail within those output limits.
Is the RSDW10H-03 suitable for industrial or rail electronics running from a higher input range?
It is built for a 43-160VAC input range and provides 3.3V output on the secondary side. The listed EN50155 and EN45545 compliance also makes it relevant for railway-related electronic subsystems.
Would this model work for compact automation or communications boards that need isolated 3.3V power?
Yes, the converter provides 4000VDC isolation in a 31.8 x 20.3 x 10.2 mm package. Its 1U low-profile, half-encapsulated construction supports dense board-level or enclosure-level designs.
Can the RSDW10H-03 handle wide ambient temperatures, and is it rated for outdoor exposure?
Its operating range is -40°C to +85°C, so it is specified for broad temperature conditions. No IP rating is listed, so the provided data does not establish exposed outdoor or sealed-enclosure performance.
What changes across the RSDW10H series besides the part number?
The RSDW10H siblings share the same 10W platform but have different outputs. RSDW10H-03 is 3.3V at 2.5A, RSDW10H-05 is 5V at 2A, RSDW10H-12 is 12V at 835A, and RSDW10H-15 is 15V at 666A.
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