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Mean Well SPBW06G-03 DC-DC Converter - 6W - 18~75V in 3.3V out

SKU SPBW06G-03

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Overview

SPBW06G-03 is the 3.3V output model of this series: rated power 6W, typical efficiency 82%.

SPBW06 and DPBW06 series are 6W isolated and regulated module type DC-DC converter with SIP8 package. It features international standard pins, a high efficiency up to 89%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, continuous-mode short circuit protection, etc. The models account for different input voltage 9~36V and 18~75V 4:1 wide input range, and various output voltage, 3.3V/5V/12V/15V for single output and ±5V/±12V/±15V for dual outputs, which are suitable for all kinds of systems, such as industrial control, telecommunication field, distributed power architecture, and so on.

Features

SIP8 package with industry standard pinout
4:1 ultrawide input range
Operating temperature range -40 ~ +85℃
No minimum load required
High efficiency up to 89%
Protections: Short circuit (Continuous) / Overload
1.5KVDC I/O isolation
Remote ON/OFF control
3 years warranty

Specifications

SPBW06G-03Specifications from the official datasheet (2024-04-30 edition)

INPUT

INPUT VOLTAGE (RANGE): 48V (18 ~ 75V)
INPUT CURRENT NO LOAD: 3mA
INPUT CURRENT FULL LOAD: 155mA
VOLTAGE RANGE: 18~75Vdc
SURGE VOLTAGE (100ms max.): 24Vin models : 50Vdc, 48Vin models : 100Vdc
FILTER: Internal capacitor
PROTECTION: Fuse recommended. 24Vin models: 1.25A fast-acting Type, 48Vin models: 630mA fast-scting Type
INTERNAL POWER DISSIPATION: 500mW

OUTPUT

OUTPUT VOLTAGE: 3.3V
OUTPUT CURRENT: 0 ~ 1500mA
EFFICIENCY (TYP.): 82%
CAPACITOR LOAD (MAX.)^{* For each output}: 4700μF
VOLTAGE ACCURACY: ±1.5%
RATED POWER: 6W
RIPPLE & NOISE^Note.2: 100mVp-p
LINE REGULATION^Note.3: ±0.2%
LOAD REGULATION^Note.4: Single output models: ±0.5%, Dual output models:±1%
SWITCHING FREQUENCY (Typ.): 580KHz

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: Protection type : Recovers automatically after fault condition is removed

FUNCTION

REMOTE CONTROL: Power ON: R.C. ~ -Vin high impedance open ; Power OFF: supplying 2~4mA for R.C. pin (Please refer to the application circuit in following page)

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +85℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +100℃ max.
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.03% / ℃ (0 ~ 65℃)
SOLDERING TEMPERATURE: 1.5mm from case of 1 ~ 3sec./260℃ max.
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC ( Note.5)

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
ISOLATION CAPACITANCE (Typ.): 50pF
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032(CISPR32) N/A
Radiated BS EN/EN55032(CISPR32) Class A/B with external components
EMC IMMUNITY: Parameter Standard Test Level

ESD BS EN/EN61000-4-2 Level 2, ±8KV air, ±4KV contact
Radiated Susceptibility BS EN/EN61000-4-3 Level 2, 3V/m
EFT/Bursts BS EN/EN61000-4-4 Level 1, 0.5KV
Surge BS EN/EN61000-4-5 Level 1, 0.5KV Line-Line
Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.)
Magnetic Field BS EN/EN61000-4-8 Level 2, 3A/m

Parameter	Standard	Test Level
Conducted	BS EN/EN55032(CISPR32)	N/A
Radiated	BS EN/EN55032(CISPR32)	Class A/B with external components

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 2, ±8KV air, ±4KV contact
Radiated Susceptibility	BS EN/EN61000-4-3	Level 2, 3V/m
EFT/Bursts	BS EN/EN61000-4-4	Level 1, 0.5KV
Surge	BS EN/EN61000-4-5	Level 1, 0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	Level 2, 3V(e.m.f.)
Magnetic Field	BS EN/EN61000-4-8	Level 2, 3A/m

OTHERS

MTBF: 1850Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 21.8*9.2*11.1mm (0.86*0.36*0.44 inch)
CASE MATERIAL: Non-Conductive black plastic (UL 94V-0 rated)
PACKING: 4.5g ; 14pcs/per tube, 2058pcs/147 tube/per carton

Test conditions and notes5

1.All parameters are specified at normal input(F:24Vdc, G:48Vdc), rated load, 25℃ 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
3.Line regulation is measured from low line to high line at rated load.
4.Load regulation is measured from 0% to 100% rated load.
5.The final equipment must be re-confirm that it still meet EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”(as available on http://www.meanwell.com)

Technical drawings

SPBW06G-03 Plug Assignment — Plug Assignment

SPBW06G-03 Remote ON/OFF Control — Remote ON/OFF Control

SPBW06G-03 EMC Suggestion Circuit — EMC Suggestion Circuit

Typical applications

Downloads

Certificates2

Certificate (SPBW03-DPBW03-CE-dec)(EN) PDF Download

Certificate (SPBW-DPBW03-UK-dec)(EN) PDF Download

Test reports1

Test Report (SPBW06G-03)(EN) PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the SPBW06G-03 to power a 3.3V embedded controller from a higher-voltage industrial input?

This model is designed for a 3.3V constant-voltage output with a 6W rating and an 18-75VDC input range. That makes it suitable for low-power embedded controllers, logic sections, or industrial electronics that need a regulated 3.3V rail from that wider input window.

Is the SPBW06G-03 a fit for 3.3V PLC interface or digital control electronics?

It can fit low-power PLC interface boards, digital control circuits, or automation logic sections that are designed around 3.3V and stay within 6W. The 1.5A output rating also aligns with compact electronics rather than larger field loads.

Can this converter be used in space-constrained automation hardware?

Yes, its dimensions are 21.8 x 9.2 x 11.1 mm and its weight is 4.5g, so it is well suited to compact embedded and automation assemblies. It is intended for designs that need a small constant-voltage 3.3V converter with 18-75VDC input capability.

Is the SPBW06G-03 suitable for outdoor cabinets or wide-temperature enclosures?

The specified operating range is -40C to +85C, so the converter is rated for broad temperature conditions. The listed specs do not include an IP rating, so exposure protection for outdoor or washdown environments is not defined by this product data.

What is the difference between the SPBW06G-03 and the other SPBW06G versions?

The SPBW06G family shown here keeps the same 6W platform and changes the output rating by model. The sibling versions are SPBW06G-05 at 5V and 1.2A, SPBW06G-12 at 12V and 500mA, SPBW06G-15 at 15V and 400mA, while this SPBW06G-03 is 3.3V and 1.5A.

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Model	Power	Voltage	Current	IP Rating
Mean Well SPBW06G-15 DC-DC Converter - 6W - 18~75V in 15V out	6W	15V	400 Milliampere	IP20	View
Mean Well SPBW06G-12 DC-DC Converter - 6W - 18~75V in 12V out	6W	12V	500 Milliampere	IP20	View
Mean Well SPBW06G-05 DC-DC Converter - 6W - 18~75V in 5V out	6W	5V	1.2A	IP20	View
Mean Well SPBW06F-15 DC-DC Converter - 6W - 9~36V in 15V out	6W	15V	400 Milliampere	IP20	View
Mean Well SPBW06F-12 DC-DC Converter - 6W - 9~36V in 12V out	6W	12V	500 Milliampere	IP20	View
Mean Well SPBW06F-05 DC-DC Converter - 6W - 9~36V in 5V out	6W	5V	1.2A	IP20	View
Mean Well SPBW06F-03 DC-DC Converter - 6W - 9~36V in 3.3V out	6W	3.3V	1.5A	IP20	View

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