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Mean Well RDDW10H-12 DC-DC Converter - 10W - 43~160V in ±12V out 416mA
Overview
RDDW10H-12 is the ±12V output model of this series: rated power 10W, typical efficiency 87%.
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
- 105mA
- OUTPUT VOLTAGE
- ±12V
- OUTPUT CURRENT
- ±0 ~416mA
- EFFICIENCY (Typ.)
- 87%
- CAPACITOR LOAD (MAX.)
- 416μF
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
Datasheet1
Certificates2
Test reports1
FAQ
Can I use the RDDW10H-12 for industrial analog modules that need ±12V power?
Yes, it is appropriate for industrial analog modules that need a dual ±12V output and fit within a 10W power envelope. The converter operates in constant-voltage mode with a 43-160VDC input range. Its compact 31.8 × 20.3 × 12.7 mm body is also useful in small control assemblies.
Is the RDDW10H-12 suitable for embedded systems with higher-voltage input sources?
It is designed for systems that have an available input between 43VDC and 160VDC and require ±12V output. That makes it relevant for embedded or control electronics built around wide-input power conditions. The maximum rated output power is 10W.
Can this model be used in automation equipment that needs split 12V rails?
It can fit automation electronics that need constant dual ±12V output and remain inside the 10W rating. The dual-output feature is specifically relevant when the downstream circuitry uses split rails. At 0.016 kg, it also suits compact modular equipment.
Can the RDDW10H-12 be used outdoors or in unprotected enclosures?
The provided specs support temperature operation from -40°C to +85°C and include 2G vibration resistance. Those are useful for demanding conditions, but no IP rating is listed. Because of that, the specs do not confirm outdoor or unprotected-enclosure suitability.
What are the main differences between the RDDW10H-12 and its sibling models?
All listed RDDW10H versions are rated at 10W, but they differ in output. The RDDW10H-05 is ±5V with ±1000mA output current, the RDDW10H-12 is ±12V with ±416mA output current, and the RDDW10H-15 is ±15V with ±333mA output current. This model keeps the same 43-160VDC input range and compact 31.8 × 20.3 × 12.7 mm dimensions shown in its specs.
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