💡 New range: Boke DALI-2 LED drivers | 10–240 W | 5-year warranty Explore the range

☎ 0800 88 87 86  |  +64 22 522 4414

Over 15 years experience of providing support of MEAN WELL Power Supplies

1 5

Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well SCW12B-05 DC-DC Converter - 12W 18~36V DC in 5V out 2.4A

SKU SCW12B-05
Log in to see price Trade pricing & online ordering for account holders
Log in or apply for a trade account →
Available to order
|

Overview

SCW12B-05 is the 5V output model of this series: rated power 12W, typical efficiency 83%.

Features

  • 2:1 wide input range
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Five-sided shield metal case
  • 100% full load burn-in test
  • Low cost / High reliability
  • Modified models available: output 2.5V/3.3V
  • 2 years warranty

Specifications

SCW12B-05Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
480 ~ 2400mA
RATED POWER
12W
RIPPLE & NOISE (max.)Note.2
50mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
400KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
1000uF

INPUT

VOLTAGE RANGE
18 ~ 36VDC
EFFICIENCY (Typ.)
83%
DC CURRENT Full load
625mA
DC CURRENT No load
35mA
FILTER
Pi network
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVERLOAD
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

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
±0.05% / ℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes

SAFETY

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
2200pF max.
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

REMOTE CONTROL
Power ON: R.C. ~ -Vin > 4VDC or open ; Power OFF: R.C. ~ -Vin < 1VDC or short
MTBF
600Khrs min. MIL-HDBK-217F(25℃)
DIMENSION
31.8*20.3*12.2mm or 1.25"*0.80"*0.48" inch (L*W*H)
PACKING
17.5g ; 15pcs/per tube, 750pcs/50 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 20% 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

SCW12B-05 Mechanical Specification
Mechanical Specification
SCW12B-05 Packing
Packing

Downloads

FAQ

Can I use the SCW12B-05 to derive 5V power in a 24V-class control cabinet?

Yes, this version is built for a higher input range of 18-36VDC and provides a regulated 5V constant-voltage output. With up to 2.4A output current and 12W total power, it fits low-power 5V electronics in systems using that input range.

Is the SCW12B-05 suitable for powering 5V industrial communication or monitoring electronics?

It can be used for 5V control, monitoring, or interface electronics that stay within the 2.4A and 12W output limits. The constant-voltage output is appropriate for devices that require stable 5V power rather than constant-current drive.

Would the SCW12B-05 fit in compact embedded or automation equipment?

Yes, the converter has a small 31.8 × 20.3 × 12.2 mm package and weighs 17.5 g. That compact format is useful for embedded assemblies and crowded industrial enclosures needing 5V output.

Is this converter rated for outdoor conditions?

The operating temperature range is -40°C to +71°C (with load derating at higher temperatures per the derating curve), so the temperature rating is broad enough for demanding industrial environments. The listed specs do not include an IP rating, so resistance to rain, washdown, or direct outdoor exposure is not confirmed here.

How does SCW12B-05 differ from the other SCW12B models?

The SCW12B family shares the same 12W power rating, 18-36VDC input range, constant-voltage operation, 31.8 × 20.3 × 12.2 mm dimensions, 17.5 g weight, -40°C to +71°C operating range, EAC certification, and 2-year warranty. The output differs by model: SCW12B-05 is 5V at 2.4A, SCW12B-12 is 12V at 1A, and SCW12B-15 is 15V at 0.8A.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

{ "id":8442692141355, "variants" :[{ "context":"default", "variant_id": 45712185884971, "sku":"SCW12B-05", "inventory_qty" : 0, "customer" :false, "custom_html" :"\u003ca class=\"text-current logged-out-price logged-out\" href=\"https:\/\/wellforces.co.nz\/customer_authentication\/redirect?locale=en\u0026region_country=NZ\"\u003e\n \u003cspan \u003ePlease \u003c\/span\u003e \u003cspan class=\"login-text\"\u003eLogin\u003c\/span\u003e \u003cspan\u003e for Pricing\u003c\/span\u003e\n \u003c\/a\u003e", "volume_html" :"\u003cvolume-pricing class=\"parent-display inside_product_form\" id=\"volume-pricing-main\" \u003e\u003c\/volume-pricing\u003e" } ] }
Mean Well SCW12B-05 DC-DC Converter - 12W 18~36V DC in 5V out 2.4A
Mean Well

Mean Well SCW12B-05 DC-DC Converter - 12W 18~36V DC in 5V out 2.4A

Log in to see price

SCW12B-05 is the 5V output model of this series: rated power 12W, typical efficiency 83%.

Features

  • 2:1 wide input range
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Five-sided shield metal case
  • 100% full load burn-in test
  • Low cost / High reliability
  • Modified models available: output 2.5V/3.3V
  • 2 years warranty
View product

  • Call us

    0800 88 87 86

  • Email us

    contact@wellforces.co.nz

  • Business Hours

    Mon-Fri 8:30am-5:00pm

  • Wholesale and Trade Account

    Let's grow together
Back to top