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Mean Well

Mean Well SKA40B-05 DC-DC Converter - 35W - 18~36V in 5V out 7A

SKU SKA40B-05
$47.46 USD
Shipping calculated at checkout.
Available to order
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Overview

SKA40B-05 is the 5V output model of this series: rated power 35W, typical efficiency 92%.

Features

  • 2:1 wide input range
  • High efficiency up to 92%
  • 1500VDC I/O isolation
  • Built-in EMI filter
  • Built-in remote ON / OFF control
  • Built-in remote sense
  • Trimming output ±10%
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Output 3.3V/9V available
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty

Specifications

SKA40B-05Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
0.7 ~ 7A
RATED POWER
35W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
200KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
1000uF
EXTERNAL TRIM Adj. RANGE(Typ.)
±10%

INPUT

VOLTAGE RANGE
18 ~ 36VDC
EFFICIENCY (Typ.)
92%
DC CURRENT Full load
1900mA
DC CURRENT No load
100mA
FILTER
Pi network
REMOTE CONTROL
Power ON : R.C ~ -Vin > 2.5V ~ 75VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVER CURRENT
110% ~ 180% 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
OVER VOLTAGE
5Vo : 7V ~ 8.95V ; 12Vo : 15V ~ 19.2V ; 15Vo : 18V ~ 23.3V Protection type : Clamp by TVS diode

ENVIRONMENT

WORKING TEMP.
-40 ~ +80℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-55 ~ +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 020/2011 (EAC TP TC 004 for 48Vin type only) approved
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

DIMENSION
50.8*50.8*11.0 mm or 2"*2"*0.43" inch (L*W*H)
PACKING
50g ; 5pcs/per tube, 200pcs/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

SKA40B-05 Mechanical Specification
Mechanical Specification
SKA40B-05 Packing
Packing

Downloads

FAQ

Can I use the SKA40B-05 to power 5V industrial control electronics from an 18-36VAC source?

This model converts an 18-36VAC input to a constant 5V output. It is rated for 35W and up to 7A, so it fits 5V control electronics that stay within those published limits.

Is the SKA40B-05 suitable for 5V embedded processors, HMIs, or communications modules in higher-input systems?

The output is a regulated 5V rail with up to 7A available. For embedded or communications devices that need 5V and are fed from an 18-36VAC source range, the listed specs are aligned.

Can the SKA40B-05 be used in automation panels that need a compact 5V converter with higher current capability?

It offers 5V output at up to 7A, with a total power rating of 35W. The package size is 50.8 × 50.8 × 11.0 mm, so it can suit compact automation assemblies needing comparatively high current at 5V.

Would this converter fit equipment operating across cold and hot ambient conditions?

The specified operating temperature range is -40°C to +80°C. That supports use in equipment exposed to broad temperature variation, as long as the application remains within that range.

Is the SKA40B-05 rated for outdoor or washdown environments?

The specs list an operating temperature range of -40°C to +80°C, but no IP rating is provided. That means temperature tolerance is stated, while protection against water or dust ingress is not defined in the published data.

How does the SKA40B-05 compare with the other SKA40B converters?

The SKA40B-05 is the 5V version of the series, rated for 35W and 7A output current. Its siblings are the SKA40B-12 at 35W, 12V, 3.33A and the SKA40B-15 at 35W, 15V, 2.67A.

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Mean Well SKA40B-05 DC-DC Converter - 35W - 18~36V in 5V out 7A
Mean Well

Mean Well SKA40B-05 DC-DC Converter - 35W - 18~36V in 5V out 7A

$47.46 USD

SKA40B-05 is the 5V output model of this series: rated power 35W, typical efficiency 92%.

Features

  • 2:1 wide input range
  • High efficiency up to 92%
  • 1500VDC I/O isolation
  • Built-in EMI filter
  • Built-in remote ON / OFF control
  • Built-in remote sense
  • Trimming output ±10%
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Output 3.3V/9V available
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty
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