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Mean Well

Mean Well SLW05B-12 DC-DC Converter - 5W - 18~36V in 12V out 417mA

SKU SLW05B-12
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Overview

SLW05B-12 is the 12V output model of this series: rated power 5W, typical efficiency 80%.

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

SLW05B-12Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
12V
CURRENT RANGE
41.7 ~ 417mA
RATED POWER
5W
VOLTAGE ACCURACY
±2.0%
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.2%
LOAD REGULATIONNote.4
±0.5%
SWITCHING FREQUENCY
50KHz min.

INPUT

VOLTAGE RANGE
18 ~ 36VDC
EFFICIENCY (Typ.)
80%
DC CURRENT Full load
270mA
DC CURRENT No load
16mA
FILTER
Pi network
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVER CURRENT
160 ~ 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.
-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./1cycle, 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
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
800khrs min. MIL-HDBK-217F(25℃)
DIMENSION
50.8*25.4*11.27mm 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

SLW05B-12 Mechanical Specification
Mechanical Specification
SLW05B-12 Packing
Packing

Downloads

FAQ

Can I use the SLW05B-12 to power a 12V industrial control subcircuit from an 18-36VDC source?

Yes, this converter is intended for applications that need a constant 12V output from an 18-36VDC input range. It is rated at 5W and 417mA output current, so it fits low-power industrial control or embedded circuits that match those published values.

Is the SLW05B-12 suitable for 12V embedded electronics inside automation equipment?

It can be used where the embedded section requires a constant 12V rail and the available source is within 18-36VDC. The unit is a 5W converter in a 50.8 × 25.4 × 11.27 mm package, which suits compact enclosed equipment.

Can this 12V converter be used for panel-mounted monitoring or signaling electronics?

It is a fit for panel or cabinet electronics that run on constant 12V and stay within the 5W rating. The 18-36VDC input range makes it relevant where the source already falls in that range and the circuit only needs a small regulated output stage.

How does the SLW05B-12 compare with other SLW05B models?

In the SLW05B series, SLW05B-05 is 5W, 5V, 1000mA; SLW05B-09 is 5W, 9V, 556mA; SLW05B-12 is 5W, 12V, 417mA; and SLW05B-15 is 5W, 15V, 333mA. All are constant-voltage models with 18-36VDC input, 50.8 × 25.4 × 11.27 mm dimensions, 31.2g weight, and a -25°C to +71°C operating temperature range.

Can the SLW05B-12 be used outdoors or in harsh environments?

The published data gives an operating temperature range of -25°C to +71°C, so temperature suitability should be checked against that range. No IP rating is listed in the provided specs, so outdoor or washdown use should only be considered if the final enclosure provides the required protection.

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Mean Well SLW05B-12 DC-DC Converter - 5W - 18~36V in 12V out 417mA
Mean Well

Mean Well SLW05B-12 DC-DC Converter - 5W - 18~36V in 12V out 417mA

Log in to see price

SLW05B-12 is the 12V output model of this series: rated power 5W, typical efficiency 80%.

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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