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Mean Well RSDW08G-05 DC-DC Converter - 8W - 18~75V in 5V out 1.6A
Mean Well RSDW08G-05 DC-DC Converter - 8W - 18~75V in 5V out 1.6A
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RSDW08G-05 is the 5V output model of this series: rated power 8W, typical efficiency 83%.
RSDW08 and RDDW08 series are 8W module type DC-DC reliable railway converter with DIP24 package. It features inter-national standard pins, a high efficiency up to 86%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, compliance with EN50155 railway standard, continuous-mode short circuit protection, etc. The models account for different input voltage 9~36V and 18~75V 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
- 1.5KVDC I/O isolation
- Remote ON/OFF control
- 3 years warranty
Specifications
INPUT
- INPUT VOLTAGE (RANGE)
- Normal 48V (18 ~ 75V)
- INPUT CURRENT NO LOAD
- 5mA
- INPUT CURRENT FULL LOAD
- 201mA
- VOLTAGE RANGE
- 18~75Vdc
- SURGE VOLTAGE (100ms max.)
- 24Vin models : 50Vdc, 48Vin models : 100Vdc
- FILTER
- Pi type
- PROTECTION (Typ.)
- Fuse recommended. 24Vin models: 3A delay time Type, 48Vin models: 1.5A delay time Type
- INTERNAL POWER DISSIPATION
- 500mW
OUTPUT
- OUTPUT VOLTAGE
- 5V
- OUTPUT CURRENT
- 1600mA
- EFFICIENCY (Typ.)
- 83%
- CAPACITOR LOAD (MAX.)
- 1600μF
- VOLTAGE ACCURACY
- ±1.5%
- RATED POWER
- 8W
- RIPPLE & NOISENote.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- Single output models: ±0.5%, Dual output models:±1%
- CROSS REGULATION
- ±5% @ 25%~100% load
- SWITCHING FREQUENCY (min.)
- 100KHz
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
- 24Vin: 8.8Vdc, 48Vin: 17Vdc
- UNDER VOLTAGE LOCKOUT Shutdown voltage
- 24Vin: 8Vdc, 48Vin: 16Vdc
FUNCTION
- REMOTE CONTROL
- Power ON: R.C. ~ -Vin >3.5~36Vdc 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 020/2011(EAC TP TC 004 for 48Vin type only) approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- 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/B 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
- Single: 1500Khrs, Dual: 1300Khrs MIL-HDBK-217F(25℃)
- DIMENSION (L*W*H)
- 31.8*20.3*10.2mm (1.25*0.8*0.4 inch)
- CASE MATERIAL
- Black coated copper with non-conductive base
- PACKING
- 18.4g ; 10pcs/per tube, 700pcs/70 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input(F:24Vdc, G:48Vdc), 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 RSDW08G-05 to power a 5V embedded controller or sensor node in industrial equipment?
Yes, it is a constant-voltage DC-DC converter with a 5V output rated at 1.6A and 8W. That makes it suitable where the load requires regulated 5V and stays within those output limits.
Is the RSDW08G-05 appropriate for railway electronics or rolling stock subcircuits?
It is designed for that type of environment because the sheet lists compliance with the EN50155 railway standard (including EN61373 for shock & vibration and EN50121-3-2 for EMC). It also provides 1.5KVDC input-output isolation and operates from -40°C to +85°C (with derating), which supports use in demanding transport-related electronics.
Can this 5V model be used for compact automation or control boards where space is tight?
Yes, the module is compact at 31.8 x 20.3 x 10.2 mm in a DIP package. It fits applications that need a regulated 5V rail up to 1.6A without taking much board space.
Is the RSDW08G-05 suitable for outdoor or washdown environments?
The operating temperature range is -40°C to +85°C, so the temperature tolerance is broad. However, no IP rating is listed in the provided specs, so exposed outdoor, washdown, or dust-sealed use is not established by this data alone.
How does the RSDW08G-05 compare with the other RSDW08G models?
Within the 8W RSDW08G family, the differences are in output voltage and current. RSDW08G-03 is 3.3V at 2A, RSDW08G-05 is 5V at 1.6A, RSDW08G-12 is 12V at 666mA, and RSDW08G-15 is 15V at 530mA.
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