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Mean Well

Mean Well SKA15A-05 DC-DC Converter - 9.9W - 9~18V in 5V out 3A

SKU SKA15A-05
$19.81 USD
Shipping calculated at checkout.
In stock
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Overview

SKA15A-05 is the 5V output model of this series: rated power 15W, typical efficiency 78%.

Features

  • 2:1 wide input range
  • 4:1 wide input range(option)
  • 1500VDC I/O isolation
  • 3000VDC I/O isolation(option)
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty

Specifications

SKA15A-05Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
300 ~ 3000mA
RATED POWER
15W
RIPPLE & NOISE (max.)Note.2
50mVp-p
LINE REGULATIONNote.3
±0.2%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
150KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
2700uF

INPUT

VOLTAGE RANGE
9 ~ 18VDC
EFFICIENCY (Typ.)
78%
DC CURRENT Full load
1700mA
DC CURRENT No load
20mA
FILTER
Pi network
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVER CURRENT
110% ~ 250% 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.
-40 ~ +71℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +105℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03% / ℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
EAC TP TC 020/2011approved
WITHSTAND VOLTAGE
I/P-O/P:1.5KVDC
ISOLATION RESISTANCE
I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 Class A, FCC part 15 Class A , 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
300Khrs min. MIL-HDBK-217F(25℃)
DIMENSION
50.8*25.4*11.27 mm or 2"*1"*0.44" inch (L*W*H)
PACKING
31.2g ; 10pcs/per tube, 400pcs/40 tube/per carton
Test conditions and notes5
  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.Line regulation is measured from low line to high line at rated load.
  4. 4.Load regulation is measured from 10% to 100% rated load.
  5. 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Technical drawings

SKA15A-05 Mechanical Specification
Mechanical Specification
SKA15A-05 Packing
Packing

Downloads

FAQ

Can I use the SKA15A-05 to power 5V embedded controllers or single-board electronics from 9-18VDC?

Yes, this converter accepts 9-18VDC input and delivers a constant 5V output. With up to 3A output current and a 15W rating, it fits 5V logic and embedded loads that stay within that power range.

Is the SKA15A-05 appropriate for 5V HMI, interface, or communication modules in control equipment?

It can be used where a regulated 5V rail is needed for compact control electronics. The 3A output current gives more headroom than the 12V and 15V versions in the same family, while still keeping the total output within 15W.

Can this 5V converter support industrial sensor hubs or low-voltage accessory boards?

Yes, it is suited to 5V accessory electronics that need constant-voltage output rather than a variable supply. The combination of 5V output and 3A maximum current works for grouped low-voltage boards as long as the total demand does not exceed 15W.

Does the SKA15A-05 fit small automation assemblies with tight mounting space?

Its body measures 50.8 × 25.4 × 11.27 mm and the unit weighs 0.032 kg. That small format is useful when 5V conversion has to fit inside compact control or embedded equipment.

Is the SKA15A-05 intended for indoor panels or exposed outdoor use?

It has a wide operating temperature range of -40°C to +71°C, which supports use in demanding equipment environments. Since no IP rating is specified, it is better treated as a converter for protected indoor cabinets or enclosed assemblies instead of direct outdoor exposure.

What are the differences between the SKA15A-05 and the other SKA15A outputs?

All SKA15A models use the same 9-18VDC input range. The SKA15A-05 is rated at 15W with 5V output at 3A. Other outputs include 3.3V at 3A (9.9W) for SKA15A-033, 12V at 1.25A (15W) for SKA15A-12, and 15V at 1A (15W) for SKA15A-15.

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Mean Well SKA15A-05 DC-DC Converter - 9.9W - 9~18V in 5V out 3A
Mean Well

Mean Well SKA15A-05 DC-DC Converter - 9.9W - 9~18V in 5V out 3A

$19.81 USD

SKA15A-05 is the 5V output model of this series: rated power 15W, typical efficiency 78%.

Features

  • 2:1 wide input range
  • 4:1 wide input range(option)
  • 1500VDC I/O isolation
  • 3000VDC I/O isolation(option)
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty
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