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Mean Well SI06W8-03 8:1 Ultra-Wide Input DC-DC Regulated Converter, Single Output 6W 3.3V 1.82A

6W 1"x1" Package 8:1 Ultra-Wide Input DC-DC Regulated Converter

SKU SI06W8-03

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Overview

SI06W8-03 is the 3.3V output model of this series: rated power 6W, typical efficiency 80%.

SI06W8 and DI06W8 series are 6W isolated and regulated module type DC-DC converter with DIP 1"x1" package. It features international standard pins, a high efficiency up to 86%, wide working temperature range -40~+90℃, 3KVDC I/P-O/P isolation voltage, compliance to BS EN/EN55032 radiated Class A without additional components, continuous-mode short circuit, overload, Input under voltage protection etc. The models account input voltage 9~75V 8:1 ultra-wide input range, and various output voltage, 3.3V/5V/9V/12V/15V/24V 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

DIP 1"x1" package with industry standard pinout
8:1 ultra-wide input range
Operating temperature range -40 ~ +90℃
No minimum load required
Comply to BS EN/EN55032 radiated Class A without additional components
High efficiency up to 86%
Protections: Short circuit (Continuous) / Overload / Over voltage / Input under voltage
3KVDC I/O isolation
Remote ON/OFF control (optional)
3 years warranty

Specifications

SI06W8-03Specifications from the official datasheet (2024-08-02 edition)

INPUT

VOLTAGE RANGE: 9 ~ 75Vdc
INPUT VOLTAGE (RANGE): Normal 12V,24V,36V,48V,72V (9 ~ 75V)
INPUT CURRENT NO LOAD: 5mA
INPUT CURRENT FULL LOAD: 268mA
SURGE VOLTAGE (100ms max.): 100Vdc
FILTER: Capacitor network
PROTECTION: Fuse recommended. 2A Slow-Blow Type

OUTPUT

OUTPUT VOLTAGE: 3.3V
OUTPUT CURRENT: 0~1500mA
VOLTAGE ACCURACY: ±2%
RATED POWER: 6W
RIPPLE & NOISE^Note.2: 100mVp-p
LINE REGULATION^Note.3: ±0.2% (±0.5% for 3.3Vo)
LOAD REGULATION^Note.4: ±0.5%
SWITCHING FREQUENCY (Typ.): 300KHz (PWM)
EFFICIENCY (TYP.): 80%
CAPACITOR LOAD (MAX.)^{* For each output}: 1800μF

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 110 ~ 230% rated output power Protection type : Recovers automatically after fault condition is removed
OVER VOLTAGE: Protection type : Clamp by TVS diode
UNDER VOLTAGE LOCKOUT Start-up voltage: 8.8V
UNDER VOLTAGE LOCKOUT Shutdown voltage: 8.5V

FUNCTION

REMOTE CONTROL (OPTIONAL): Power ON: RC ~ -Vin > 2.5Vdc ~ 6Vdc or open circuit Power OFF: RC ~ -Vin <1Vdc or short

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +90℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +105℃ max.
WORKING HUMIDITY: 5% ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: ±0.05% / ℃ (0 ~ 71℃)
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 004 approved
WITHSTAND VOLTAGE: I/P-O/P:3KVDC
ISOLATION RESISTANCE: I/P-O/P:1000M Ohms / 500VDC / 25℃/ 70% RH
ISOLATION CAPACITANCE (Typ.): 1000pF
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032(CISPR32) N/A
Radiated BS EN/EN55032(CISPR32) Class A without external components Class B with external components
EMC IMMUNITY: Parameter Standard Test Level

ESD BS EN/EN61000-4-2 contact ±4KV
Radiated Susceptibility BS EN/EN61000-4-3 3V/m
EFT/Burest BS EN/EN61000-4-4 ±0.5KV
Surge BS EN/EN61000-4-5 Line-Line±0.5KV
Conducted BS EN/EN61000-4-6 3Vrms
Magnetic field immunity BS EN/EN61000-4-8 1A/m

Parameter	Standard	Test Level
Conducted	BS EN/EN55032(CISPR32)	N/A
Radiated	BS EN/EN55032(CISPR32)	Class A without external components Class B with external components

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	contact ±4KV
Radiated Susceptibility	BS EN/EN61000-4-3	3V/m
EFT/Burest	BS EN/EN61000-4-4	±0.5KV
Surge	BS EN/EN61000-4-5	Line-Line±0.5KV
Conducted	BS EN/EN61000-4-6	3Vrms
Magnetic field immunity	BS EN/EN61000-4-8	1A/m

OTHERS

MTBF: >400Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 25.4*25.4*10.2mm (1*1*0.401 inch)
CASE MATERIAL: Black coated copper with non-conductive base
PACKING: 20g; 10pcs/per tube, 600pcs/60 tube/per carton

Test conditions and notes5

1.All parameters are specified at normal input(24Vdc), 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

SI06W8-03 Mechanical Specification — Mechanical Specification

SI06W8-03 Plug Assignment — Plug Assignment

SI06W8-03 S I06W8 & D I06W8 series — S I06W8 & D I06W8 series

SI06W8-03 S I06W8 & D I06W8 series (2) — S I06W8 & D I06W8 series (2)

Typical applications

Downloads

Datasheet1

SI06W8-03 datasheetSI06W8_spec.pdf · 2024-08-02 edition PDF Download

FAQ

What is the Mean Well SI06W8-03 designed for?

The SI06W8-03 is a regulated DC-DC converter intended for applications that need a stable 3.3V DC output from a very wide DC input range. Its 6W power rating and compact 1 inch by 1 inch DIP package make it relevant for space-constrained industrial and embedded power designs.

What makes the SI06W8-03 different from standard DC-DC converters?

This model stands out for its 8:1 ultra-wide input range, which gives it more flexibility than converters built for narrower input windows. It also combines 3KVDC input-to-output isolation, no minimum load requirement, and protection features in a compact industry-standard package.

What output does the Mean Well SI06W8-03 provide?

The SI06W8-03 provides a single regulated 3.3V output with a 6W power rating. It is designed as a single-output converter for systems that require low-voltage DC power with regulation.

Can the SI06W8-03 be used in harsh temperature conditions?

Yes. Mean Well specifies an operating temperature range of -40°C to +90°C for this model, which supports use in demanding industrial environments. That range makes it better suited to temperature-variable applications than many general-purpose converters.

What protection and reliability features are included in the SI06W8-03?

This converter includes protection for short circuit, overload, over temperature, over voltage, and input under voltage. It also offers up to 86% efficiency, 3KVDC I/O isolation, and a 3-year warranty, which helps support reliability in long-term use.

Payment & Security

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Model	Power	Voltage	Current	IP Rating
Mean Well SI06W8-24 8:1 Ultra-Wide Input DC-DC Regulated Converter, Single Output 6W 24V 250mA	6W	24V	0.25A	IP20	View
Mean Well SI06W8-15 8:1 Ultra-Wide Input DC-DC Regulated Converter, Single Output 6W 15V 400mA	6W	15V	0.4A	IP20	View
Mean Well SI06W8-12 8:1 Ultra-Wide Input DC-DC Regulated Converter, Single Output 6W 12V 500mA	6W	12V	0.5A	IP20	View
Mean Well SI06W8-09 8:1 Ultra-Wide Input DC-DC Regulated Converter, Single Output 6W 9V 667mA	6W	9V	0.6667A	IP20	View
Mean Well SI06W8-05 8:1 Ultra-Wide Input DC-DC Regulated Converter, Single Output 6W 5V 1.2A	6W	5V	1.2A	IP20	View

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