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MEAN WELL RDDW40F12 40W Railway DC-DC Converter
The MEAN WELL RDDW40F-12 series are 40W module type DC-DC reliable railway converters. They offer a compact 2"x1" package, international standard pins, high efficiency (up to 92%), a wide operating temperature range (-40~90℃), and 4:1 wide input range. These converters are suitable for railway, trams, buses, and harsh environments with high vibration, dust, or extreme temperatures. They provide robust protection including short circuit, overload, over voltage, over temperature, and input under voltage lock-out.
MEAN WELL RDDW40F12 40W Railway DC-DC Converter Specifications:
- Safety & Input/Output Protection: Fuse recommended. 24Vin models: 8A delay time Type, 48Vin models: 4A delay time Type, 110Vin models: 2A delay time Type
- Voltage Range: F: 9~36Vdc, G: 18~75Vdc, H: 40~160Vdc
- Surge Voltage (100ms max.): 24Vin models: 50Vdc, 48Vin models: 100Vdc, 110Vin models: 200Vdc
- Filter: Pi type
- Protection: Continuous, automatic recovery (Short Circuit)
- Overload: 125 ~ 210% rated output power
- Over Voltage: Clamped by diode
- Over Temperature: Tcase temperature 110 max. ℃
- Under Voltage Lockout: 24Vin: 8Vdc, 48Vin: 16Vdc, 110Vin: 34Vdc
- Remote Control: Power ON: R.C~-Vin >3~12Vdc or open circuit, Power OFF: R.C~-Vin <1.2Vdc or short
- Cooling: Free-air convection
- Working Temperature: -40 ~ +90℃
- Case Temperature: +110 max. ℃
- Working Humidity: 20% ~ 90% RH non-condensing
- Storage Temperature, Humidity: -55 ~ +125℃, 10 ~ 95% RH non-condensing
- Temp. Coefficient: 0.05% / (0 ~ 55) ℃
- Soldering Temperature: 1.5mm from case of 1 ~ 3sec./260 max. ℃
- Vibration: 10 ~ 500Hz, 2G 10min./1cycle
- Safety Standards: EAC TP TC 004 approved
- Withstand Voltage: 24Vin / 48Vin models: I/P-O/P 1.6KVDC, 110Vin models: 3KVDC
- Isolation Resistance: I/P-O/P:1000M Ohms / 500VDC / 25℃ / 70% RH
- Isolation Capacitance (Typ.): 1500pF
- Rated Power: 40W
- Ripple & Noise: Single output models: 3.3Vo~15Vo: 100mVp-p, 24Vo~48Vo: 150mVp-p, Dual output models: 125mVp-p
- Line Regulation: Single output models: 0.2%, Dual output models: 0.5% ±
- Load Regulation: Single output models: 0.5%, Dual output models: 1% ±
- Cross Regulation: ±5% @ 25%~100% load for 24Vin/48Vin models
- Switching Frequency (Typ.): 250KHz
- External Trim Adj. Range (Typ.): ±10% (Single output model only)
- Railway Standard: EN50155 / IEC60571
- MTBF: 779Khrs (MIL-HDBK-217F(25℃))
- Dimension (L*W*H): 50.8*25.4*10.5mm (2*1*0.413 inch)
- Case Material: Metal Case
- Packing: F/G models: 37.6g, H models: 45g, 8 pcs/per tube, 288 pcs/carton
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Frequently Asked Questions
Where can I buy MEAN WELL RDDW40F12?
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How do I troubleshoot issues or seek technical support for part RDDW40F12?
You can download the RDDW40F12 datasheet or visit the MEAN WELL website for support.
Who is the manufacturer of RDDW40F12?
MEAN WELL