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Mean Well SRS-4815 DC-DC Converter - 0.5W - 43.2~52.8V in 15V out
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SRS-4815 is the 15V 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
- 15V
- CURRENT RANGE
- 0 ~ 34mA
- 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
- 43.2 ~ 52.8V
- NORMAL VOLTAGE
- 48V
- INPUT CURRENT Full load
- 19mA
- INPUT CURRENT No load
- 5mA
- 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-4815 for a low-power 15V rail inside 48V industrial or automation equipment?
Yes, this model is intended to generate a 15V constant-voltage output from a 43.2 to 52.8V input. With a 0.5W rating, it is best suited to light auxiliary, control, or interface circuits rather than higher-power 15V loads.
Is the SRS-4815 suitable for embedded 15V analog or signal-conditioning circuitry on a 48V platform?
It can be a fit where a stable 15V rail is needed and the available source is within 43.2 to 52.8V. The 0.5W output rating means it is aimed at small analog or signal-conditioning sections, not heavy 15V power demands.
Can this converter be used for a compact 15V auxiliary supply in telecom hardware?
Yes, for low-power auxiliary 15V functions, it matches systems that provide 43.2 to 52.8V input. Its 22.6 x 9.9 x 8.4 mm form factor is also useful when board space is limited.
Will the SRS-4815 handle cold or warm equipment cabinets, and is it suitable for outdoor exposure?
The specified operating temperature range is -25°C to +71°C, so it covers a wide span of cabinet conditions. No IP rating is provided, so it should be used in protected equipment housings rather than exposed outdoor installations.
What should I compare when choosing between SRS-4815 and the other 48V-input SRS models?
All of the 48V-input SRS models share the same 0.5W power rating and 43.2 to 52.8V input range. The main difference is output: SRS-4805 is 5V and 100A, SRS-4809 is 9V and 0.06A, SRS-4812 is 12V and 0.04A, and SRS-4815 is 15V and 0.03A.
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