What input and output does the Mean Well SPA02B-05 support?

The SPA02B-05 is a 2W DC-DC converter with a rated input range of 18 to 36V DC. It provides a regulated 5V DC output at up to 400mA.

Is the SPA02B-05 a good fit for nominal 24V DC systems that need a 5V rail?

Yes. This model is designed for 18 to 36V DC input, so it suits equipment built around a nominal 24V DC supply when a 5V output is required. Buyers should still confirm that the load stays within the unit's 2W and 400mA ratings.

Does the SPA02B-05 provide isolation between input and output?

Yes. The standard SPA02B-05 specification includes 1000V DC input-to-output isolation. That can be useful in control and industrial electronics where separation between the input supply and the 5V output is required.

What protection and reliability features are included in the SPA02B-05?

This model includes short circuit and overload protection. Mean Well also specifies built-in EMI filtering and a 100% full-load burn-in test, which supports its positioning as a low-cost, high-reliability converter.

What operating temperature range can the SPA02B-05 handle?

The SPA02B-05 is rated for operation from -40°C to 85°C. That wide range makes it suitable for equipment exposed to demanding ambient conditions, provided the overall application remains within the product's published ratings.

How compact is the SPA02B-05 for space-sensitive designs?

This converter uses a single in line package and weighs about 0.0048 kg. That combination makes it a practical option where board space and component weight need to stay low.

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Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well SPA02B-05 DC-DC Converter - 2W - 18~36V in 5V out 400mA

SKU SPA02B-05

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The SPA02B is a 2W Mean Well power converter (input range: 4.5~9VDC, operating temperature: -40~+85℃).

Key Features

✓ Input voltage range: 4.5~9VDC
✓ 1KVDC reinforced I/O isolation
✓ Wide operating temperature: -40~+85℃
✓ Protections: Short circuit / Overload
✓ Safety approvals: 20% ~ 90% RH non-condensing -40 ~ +105 ± 0.05% / , 10 ~ 95% RH ℃ (0 ~ 50 ℃ ℃ ) 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004
✓ 3 years warranty

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Model	Power	Voltage	Current	IP Rating
Mean Well SPA02E-15 DC-DC Converter - 1.8W - 4.5~9V in 15V out	1.8W	15V	0.12A	—	View
Mean Well SPA02E-12 DC-DC Converter - 1.8W - 4.5~9V in 12V out	1.8W	12V	0.15A	—	View
Mean Well SPA02E-05 DC-DC Converter - 2W - 4.5~9V in 5V out	2W	5V	0.4A	—	View
Mean Well SPA02C-15 DC-DC Converter - 2W - 36~72V in 15V out	2W	15V	0.13A	—	View
Mean Well SPA02C-12 DC-DC Converter - 2W - 36~72V in 12V out	2W	12V	0.16A	—	View
Mean Well SPA02C-05 DC-DC Converter - 2W - 36~72V in 5V out	2W	5V	0.4A	—	View
Mean Well SPA02B-15 DC-DC Converter - 2W - 18~36V in 15V out	2W	15V	0.13A	—	View
Mean Well SPA02B-12 DC-DC Converter - 2W - 18~36V in 12V out	2W	12V	0.16A	—	View
Mean Well SPA02A-15 DC-DC Converter - 2W - 9~18V in 15V out	2W	15V	0.13A	—	View
Mean Well SPA02A-12 DC-DC Converter - 2W - 9~18V in 12V out	2W	12V	0.16A	—	View
Mean Well SPA02A-05 DC-DC Converter - 2W - 9~18V in 5V out	2W	5V	0.4A	—	View

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Key Features

✓ Input voltage range: 4.5~9VDC

✓ 1KVDC reinforced I/O isolation

✓ Wide operating temperature: -40~+85℃

✓ Protections: Short circuit / Overload

✓ Safety approvals: 20% ~ 90% RH non-condensing -40 ~ +105 ± 0.05% / , 10 ~ 95% RH ℃ (0 ~ 50 ℃ ℃ ) 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004

✓ 3 years warranty

Mean Well SPA02B-05 DC-DC Converter - 2W - 18~36V in 5V out 400mA

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Mean Well SPA02B-05 DC-DC Converter - 2W - 18~36V in 5V out 400mA

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