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Mean Well

Mean Well SRS-2412 DC-DC Converter - 0.5W - 21.6~26.4V in 12V out

SKU SRS-2412
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Overview

SRS-2412 is the 12V 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

SRS-2412Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
12V
CURRENT RANGE
0 ~ 42mA
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. 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
  2. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
  3. 3.Load regulation is measured from 10% to 100% rated load.
  4. 4.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Technical drawings

SRS-2412 Mechanical Specification
Mechanical Specification
SRS-2412 Packing
Packing

Downloads

FAQ

Can I use the SRS-2412 to create a 12V rail inside a 24VAC industrial control system?

Yes, it can be used where a control system provides 21-26VAC and a light 12V rail is needed. The output is constant 12V at 0.04A with a total power rating of 0.5W, so it fits low-power electronics rather than larger loads.

Is the SRS-2412 a good match for a low-power 12V embedded board?

It is a good fit for a low-power 12V embedded board when the source available is 21-26VAC and the board stays within 0.04A. Because it is a constant-voltage converter, it is aimed at circuits that require a fixed 12V supply.

Can this converter be used for a small 12V analog or sensor-support circuit in automation equipment?

Yes, it can be used for a small 12V analog or sensor-support circuit as long as the load does not exceed 0.5W. The compact 22.6 x 9.9 x 8.4 mm body is useful where the converter must fit into tight automation hardware.

Would the SRS-2412 work for a compact 12V interface stage in instrumentation?

It can work for a 12V interface stage in instrumentation when a 21-26VAC source is already present and the current requirement is limited to 0.04A. That makes it better suited to support electronics and signal sections than to broader 12V distribution.

Can the SRS-2412 be used in exposed outdoor installations?

The listed operating temperature range is -25C to +71C, which gives the thermal envelope. Since no IP rating is stated, the specs do not establish protection against water or dust ingress, so protected indoor or enclosed use is the safer interpretation.

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Mean Well SRS-2412 DC-DC Converter - 0.5W - 21.6~26.4V in 12V out
Mean Well

Mean Well SRS-2412 DC-DC Converter - 0.5W - 21.6~26.4V in 12V out

Log in to see price

SRS-2412 is the 12V 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
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