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Description
Mean Well - 200W Single Output DC-DC Converter, INPUT: 19-36VDC (10.4Amp), OUTPUT: 48VDC (4.2Amp)Robust & Reliable 200W DC DC Power Conversion Engineered for performance and reliability, the Mean Well SD 200B 48 is a high efficiency, 200W enclosed type DC DC converter. This unit expertly converts a 24V DC input (ranging from 19 36VDC) into a stable, regulated 48V DC output, making it an ideal step up or 'boost' converter for demanding industrial applications. Built with the quality Mean Well is known for, this converter ensures consistent power
Robust & Reliable 200W DC-DC Power Conversion
Engineered for performance and reliability, the Mean Well SD-200B-48 is a high-efficiency, 200W enclosed-type DC-DC converter. This unit expertly converts a 24V DC input (ranging from 19-36VDC) into a stable, regulated 48V DC output, making it an ideal step-up or 'boost' converter for demanding industrial applications. Built with the quality Mean Well is known for, this converter ensures consistent power for your critical systems.
Core Features & Benefits
- Wide Input Range: The 2:1 wide input voltage range accommodates variations in the power source, providing operational flexibility.
- Comprehensive Protection: Equipped with built-in safeguards against short circuits, overload, over voltage, and over temperature to ensure longevity and protect connected equipment.
- High Efficiency: With an efficiency rating of 86%, this converter minimizes energy loss, reducing heat generation and operational costs.
- Reliable Cooling: Cooled by free air convection, it operates silently and reliably without the need for a fan across a wide temperature range of -20°C to +60°C.
- Isolation: Features 1500VAC I/O isolation to enhance safety and system integrity.
- Quality Assured: Undergoes a 100% full load burn-in test to guarantee performance right out of the box.
Technical Specifications
| OUTPUT | |
| DC Voltage | 48V |
| Rated Current | 4.2A |
| Current Range | 0 ~ 4.2A |
| Rated Power | 201.6W |
| Ripple & Noise (max.) | 200mVp-p |
| Voltage Adj. Range | 43 ~ 53VDC |
| Voltage Tolerance | ±1.0% |
| INPUT | |
| Voltage Range | 19 ~ 36VDC |
| Efficiency (Typ.) | 86% |
| DC Current (Typ.) | 10.4A |
| PROTECTION | |
| Overload | 105 ~ 135% rated output power. Protection type: Shut down o/p voltage, re-power on to recover. |
| Over Voltage | 53 ~ 65V. Protection type: Shut down o/p voltage, re-power on to recover. |
| Over Temperature | Protection type: Shut down o/p voltage, recovers automatically after temperature goes down. |
| ENVIRONMENT | |
| Working Temperature | -20 ~ +60°C (Refer to output load derating curve) |
| Working Humidity | 20 ~ 90% RH non-condensing |
| Storage Temp., Humidity | -40 ~ +85°C, 10 ~ 95% RH |
| SAFETY & EMC | |
| Withstand Voltage | I/P-O/P: 1.5KVAC, I/P-FG: 1.5KVAC, O/P-FG: 0.5KVAC |
| Isolation Resistance | I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B |
| EMC Immunity | Compliance to EN61000-4-2,3,4,6,8; ENV50204 |
| OTHERS | |
| Manufacturer Part Number | SD-200B-48 |
| Dimensions (L x W x H) | 215 x 115 x 50 mm |
| Weight | 1.1 Kg |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2058 reviews
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Product Reviews
★★★★★ 4
Great throw blanket with lots of fuzz
Color: Pink Ribbed, Size: Throw(50"x60"), Color: Pink Ribbed, Size: Throw(50"x60")
Very soft and cozy throw blanket, very pretty light pink color. It's big enough for one person like most throw blankets. Crazy coupon lady cued me into a discount so I got for a great price. My only complaint is that it leaves fuzzies everywhere- I highly recommend washing it before using- see pictures. Over all though a great throw blanket - soft and breathable fabric- worth the cost, but I've never seen a blanket throw so many fuzzies out of the package. Recommended, unless you're wearing a black suit.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Great price for such a warm, soft blanket.
Color: White Ribbed, Size: Queen(90"x90")
Super soft blanket that I lay across my bed but I have taken it on road trips to snuggle up with in the car and will use it when curling up to watch a good movie. Not very thick but is certainly warm. I ordered white and I absolutely love it. The texture adds nice contrast to my comforter.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Beautiful and soft
Color: Sage Green Ribbed, Size: Twin(60"x80")
Absolutely love this blanket! It is so so soft, love the pretty color and it washes nicely. My daughter always wants to steal it from me.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Lovely, Soft and light blanket, perfect for spring, summer night.
Color: Pink Ribbed, Size: Throw(50"x60")
Lovely light blanket. I like it so much, I bought 2 more.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Cute, soft, and warm!
Color: Cow, Size: Throw(50"x60")
Super soft and super warm! This nice and thick blanket feels so nice when you wrap yourself up in it; and it’s just big enough to do exactly that!
I’ve washed it a few times and it comes out even softer and fluffier than when I put it in the washer; and no issues with losing fluff or thinning/tears.
I love the cow pattern too!
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Reviewed in the United States on October 25, 2025