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Mean Well SRS-0505 DC-DC Converter - 0.5W - 4.5~5.5V in 5V out
Overview
SRS-0505 is the 5V output model of this series: rated power 0.5W, typical efficiency 60%.
Features
- 1500VDC I/O isolation
- Internal SMD technology
- Built-in EMI filter
- Cooling by free air convection
- Non-conductive plastic case
- Dual in line package
- 100% burn-in test
- Low cost / High reliability
- Approvals: FCC / EAC / CE / UKCA
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 5V
- CURRENT RANGE
- 0 ~ 100mA
- EFFICIENCY (TYP.)
- 60%
- RATED POWER
- 0.5W
- RIPPLE & NOISE (max.)Note.2
- 100mVp-p
- LINE REGULATION
- ±1.0%
- LOAD REGULATIONNote.3
- ±1.0%
- VOLTAGE ACCURACY
- ±2.0%(Typ.) ±3.0%(max.)
- SWITCHING FREQUENCY
- 50KHz min.
INPUT
- VOLTAGE RANGE
- 4.5 ~ 5.5V
- NORMAL VOLTAGE
- 5V
- INPUT CURRENT Full load
- 175mA
- INPUT CURRENT No load
- 37mA
- FILTER
- Capacitor type
- PROTECTION
- Fuse recommended
PROTECTION (Note. 4)
- OVERLOAD
- 150 ~ 350% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
- SHORT CIRCUIT
- All output equipped with short circuit Protection type : Hiccup mode, recovers automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -25 ~ +71℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -25 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃(0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- EAC TP TC 020/2011 approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- ISOLATION CAPACITANCE
- 80pF max.
- EMC EMISSION
- Compliance to BS EN/EN55032 Class B, FCC part 15 Class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, criteria A, EAC TP TC 020
OTHERS
- MTBF
- 600khrs min. MIL-HDBK-217F(25℃)
- DIMENSION
- 22.6*9.9*8.9mm or 0.89"*0.39"*0.35" inch (L*W*H)
- PACKING
- 3.1g ; 22pcs/per tube, 3080pcs/140 tube/per carton
Test conditions and notes4
- 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
- 3.Load regulation is measured from 10% to 100% rated load.
- 4.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.
Technical drawings
Downloads
FAQ
Can I use the SRS-0505 for a small 5V embedded control circuit?
Yes, this converter is intended for constant-voltage 5V output, but its total power is only 0.5W. That makes it more suitable for very small embedded or control-side loads than for anything with meaningful power demand.
Is the SRS-0505 suitable for powering a low-power 5V monitoring or sensing board?
It can be used for compact 5V monitoring or sensing circuits when the load fits within the 0.5W rating. The very small 22.6 × 9.9 × 8.9 mm package is also useful where board space is limited.
Can this converter run a 5V interface or signal-conditioning stage in industrial electronics?
Yes, for low-power 5V interface functions it can be appropriate because it provides constant-voltage 5V output in a compact package. The 0.5W rating means it is for light auxiliary electronics rather than larger 5V devices.
Is the SRS-0505 a fit for compact automation modules where space matters?
It is well suited to space-constrained designs because the package is only 22.6 × 9.9 × 8.9 mm and weighs 3.1g. The tradeoff is that the converter is limited to 0.5W output.
Can the SRS-0505 be used in outdoor or harsh environments?
The operating temperature range is -25°C to +71°C, but no IP rating is listed in the supplied specs. That means it should be evaluated as a board-level part whose environmental suitability depends on the enclosure used around it.
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