Over 15 years experience of providing support of MEAN WELL Power Supplies
Image shown is a representation only. Exact specifications should be obtained from the product datasheet.
Mean Well SRS-2405 DC-DC Converter - 0.5W - 21.6~26.4V in 5V out
Overview
SRS-2405 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
- 21.6 ~ 26.4V
- NORMAL VOLTAGE
- 24V
- INPUT CURRENT Full load
- 36mA
- INPUT CURRENT No load
- 9mA
- 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-2405 to generate 5V logic power from a 24VDC control circuit?
Yes, this model is intended for applications that need a constant 5V output from a 21.6-26.4VDC 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 24VDC?
It can fit a small embedded controller section if that section only needs a very light 5V rail and the source is 21.6-26.4VDC. 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 21.6-26.4VDC. Its 22.6 x 9.9 x 8.9 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 21.6-26.4VDC. 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.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Other SRS Series Models
15 other modelsPlease log in to write a review.
Write a review
Reviews are checked before publishing. By submitting you confirm this is your genuine experience with this product.
Submitting your review…
It's published and now helps other buyers.
We're checking it and it'll appear shortly.
Please try again.
