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RDDW08F-12
12.27
Details
Meanwell RDDW08F-12 is 8W DC-DC reliable railway converter with 24V10mA392mA±12V±0~333mA. Meanwhile, the unit stands out with module type and DIP24 package. The main features are as following: international standard pins, high efficiency up to 86%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, compliance with EN501 55 railway standard, continuous-mode short circuit protection, etc. Moreover, 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. In view of its long lifetime, high reliability, and excellent quality, Meanwell RDDW08F-12 is 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.
Meanwell RDDW08F-12 Encoding
| RDDW | Series Name S: Single Mode, D: Dual Mode |
| 08 | Rated Wattage |
| F | Input Voltage ((F: 9-36Vdc, G: 18-75Vdc) |
| 12 | Output Voltage (3.3/5/12/15Vdc, ±5/±12/15Vdc) |
Meanwell RDDW08F-12 Specifications
| ORDER NO. | INPUT | OUTPUT | EFFICIENCY (TYP.) | CAPACITOR LOAD (MAX) | |||
| INPUT VOLTAGE (RANGE) | INPUT CURRENT | OUTPUT VOLTAGE | OUTPUT CURRENT | ||||
| NO LOAD | FULL LOAD | ||||||
| RDDW08F-05 | Normal 24V (9~36V) | 10mA | 406mA | ±5V | ±0~800mA | 82% | 800μF |
| RDDW08F-12 | 10mA | 392mA | ±12V | ±0~333mA | 85% | 333μF | |
| RDDW08F-15 | 15mA | 390mA | ±15V | ±0~265mA | 85% | 265μF | |
| INPUT | VOLTAGE RANGE | F: 9~36Vdc, G: 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 | VOLTAGE ACCURACY | ±1.5% | |||||
| RATED POWER | 8W | ||||||
| RIPPLE & NOISE | 50mVp-p | ||||||
| LINE REGULATION | ±0.5% | ||||||
| LOAD REGULATION | Single output models:±0.5%, Dual output models:±1% | ||||||
| CROSS REGULATION | ±5% at 25%~100% load | ||||||
| SWITCHING FREQUENCY | 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 12Vin: 24Vin: 8.8Vdc, 48Vin: 17Vdc | ||||||
| Shutdown voltage 24Vin: 8Vdc, 48Vin: 16Vdc 5Vin: 4.4Vdc, 12Vin: 8.8Vdc, 24Vin: 17Vdc, 48Vin |
|||||||
| 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 | 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 | NA | |||||
| 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/Burest | 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 | 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, 500pcs/50 tube/per carton | ||||||
Meanwell RDDW08F-12 Features
l DIP24 package with standard pinout
l Compliance with EN50155 railway standard
l Wide operating temperature range -40~+85℃
l 3 years warranty
l 4:1 wide input range
l Full encapsulated
l 1.5KVDC I/O isolation
l Remote ON/OFF control
l No minimum load required
l Protections: Short circuit (Continuous)/Overload/Over voltage/Input under voltage
Meanwell RDDW08F-12 Applications
l Wireless network
l Industrial control facility
l Instrument
l Analyzer
l Bus, tram, metro or railway system
l Telecom/Datacom system
l Highly vibrating, heavily dusty, exteremely low or high temperature harsh environment
Meanwell RDDW08F-12 Mechanical Diagram
More Information
| Brand | Meanwell |
|---|
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