Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well SRS-2405 DC-DC Converter - 0.5W - 21.6~26.4V in 5V out
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Description
Description
Features
| 1000VDC I/O isolation |
| Internal SMD technology |
| Built-in EMI filter |
| Protection: Short circuit |
| Cooling by free air convection |
| Non-conductive plastic case |
| Dual in line package |
| 100% full load burn-in test |
| Low cost, high reliability |
| 2 years warranty |
General Specification
| Voltage set point accuracy | ±2% (typical) |
| Line regulation | ±1% (max.) |
| Load regulation | ±1% (max.)@10~100% load |
| Input reflected ripple | 120mVp-p |
| Efficiency | 60% (typical) |
| Short circuit protection | Continuous, auto-recovery |
| Switching frequency | 50kHz (min.) |
| I/O isolation voltage | 1000VDC (min.) |
| I/O isolation resistance | 100MQ(min.)@500DC |
| Isolation capacitance | 80pF (max.) |
| Working temperature | -25°C to +60°C (no derating), +71°C@80% load |
| Storage temperature | -25°C to +105°C |
| Temp. Coefficient | ±0.03% / °C (max.) |
| Case material | non-conductive plastic |
| Dimension (LxWxH) (mm) | 0.89""x 0.39""x 0.33"" |
Specifications
Specifications
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BrandMean Well
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SeriesSRS Series
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Power Rating0.5 Watt
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Output Voltage5 Volt
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Rated Current0.1 Ampere
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Input Voltage21.6V~26.4V
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Standards MetCE,EMC,FCC
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Operation ModeConstant Voltage
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Operating Temperature-25°C~71°C
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Warranty2 Year
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Length2.26 cm
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Width0.99 cm
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Height0.84 cm
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Weight0 kg
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Payment & Security
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Frequently Asked Questions
Can I use the SRS-2405 to generate 5V logic power from a 24VAC control circuit?
Yes, this model is intended for applications that need a constant 5V output from a 21-26VAC input range. It is best matched to low-power logic or control electronics within its 0.5W output rating.
Is the SRS-2405 a fit for powering a small embedded controller section from 24VAC?
It can fit a small embedded controller section if that section only needs a very light 5V rail and the source is 21-26VAC. The output is fixed at 5V and the total converter power is 0.5W, so it is intended for low-demand electronics rather than broad system loads.
Can the SRS-2405 be used in an automation panel for a 5V interface circuit?
It is suitable for a 5V interface or auxiliary logic circuit in an automation panel when the available input is 21-26VAC. Its 22.6 x 9.9 x 8.4 mm package also helps where space is tight in compact control hardware.
Would this converter make sense for a low-power 5V monitoring or sensor-support circuit?
Yes, it can be used for a low-power 5V monitoring or support circuit fed from 21-26VAC. Because the unit is rated at 0.5W and uses constant-voltage output, it is best for light electronics rather than larger sensor groups or higher-load devices.
Can the SRS-2405 be used outdoors or in unprotected locations?
The operating temperature range is -25C to +71C, which defines the thermal limits. However, no IP rating is listed, so there is no stated ingress-protection basis for exposed outdoor placement, making protected indoor enclosures the safer use case.
