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Mean Well

Mean Well SRS-1205 DC-DC Converter - 0.5W - 10.8~13.2V in 5V out

SKU SRS-1205
$5.75 USD
Shipping calculated at checkout.
In stock
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Overview

SRS-1205 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

SRS-1205Specifications from the official datasheet (2024-08-02 edition)

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
10.8 ~ 13.2V
NORMAL VOLTAGE
12V
INPUT CURRENT Full load
72mA
INPUT CURRENT No load
15mA
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-1205 Mechanical Specification
Mechanical Specification
SRS-1205 Packing
Packing

Downloads

FAQ

Can I use the SRS-1205 to derive a 5V rail from a 10.8~13.2V source in an industrial controller?

Yes, this version is intended for 10.8~13.2V input and provides a constant 5V output. The product is rated at 0.5W, so it fits low-power controller support functions rather than higher-demand 5V subsystems.

Is the SRS-1205 suitable for small embedded or automation interface boards that run from a 12V-class input?

It is appropriate where the input stays within 10.8~13.2V and the load matches its 0.5W rating. The listed output spec is 5V with 100mA, so buyers should compare that published figure directly against their required load profile.

Can the SRS-1205 be used in dense electronic assemblies where size matters?

Its 22.6 × 9.9 × 8.9 mm dimensions and 3.1g weight make it a compact option for board-level integration. That footprint suits small auxiliary power functions inside embedded, IT, or automation hardware built around a 10.8~13.2V input range.

Can the SRS-1205 be used outside a protected enclosure?

The specified operating temperature range is -25°C to +71°C, but there is no IP rating in the provided data. Based on those published specs, it is better treated as a protected indoor component rather than an exposed outdoor one.

How does the SRS-1205 differ from other SRS family voltage options?

The SRS family shown here keeps the same 0.5W power class but changes output voltage and listed output current by model. The sibling list includes 5V models SRS-0505, SRS-1205, SRS-2405, and SRS-4805 with listed 100mA; 9V models SRS-0509, SRS-1209, SRS-2409, and SRS-4809 at 56mA; 12V models SRS-0512, SRS-1212, SRS-2412, and SRS-4812 at 42mA; and 15V models SRS-0515, SRS-1215, SRS-2415, and SRS-4815 at 34mA.

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Mean Well SRS-1205 DC-DC Converter - 0.5W - 10.8~13.2V in 5V out
Mean Well

Mean Well SRS-1205 DC-DC Converter - 0.5W - 10.8~13.2V in 5V out

$5.75 USD

SRS-1205 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
View product

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