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Mean Well SPB09A-03 DC-DC Converter - 9W - 9~18V in 3.3V out 2A

SKU SPB09A-03

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Overview

SPB09A-03 is the 3.3V output model of this series: rated power 9W, typical efficiency 82%.

SP B09 and DP B09 series are 9 W isolated and regulated module type DC-DC converter with SIP 8 package. It features international standard pins, a high efficiency up to 89%, wide working temperature range -40~+ 90℃, 1 . 5 KVDC I/P-O/P isolation voltage, continuous -mode short circuit protection, etc. The models account for different input voltage 9~18V and 18~36V and 36~75V 2:1 wide input range, and various output voltage, 3 . 3V /5V/12V/15V /24V for single output and ±5V/±12V/±15V for dual outputs, which are suitable for all kinds of systems, s uch as industrial control, telecommunication field, distributed power architecture, and so on.

Features

SIP8 package with industry standard pinout
2:1 wide input range
Operating temperature range -40 ~ +90℃
No minimum load required
High efficiency up to 89%
Protections: Short circuit (Continuous) / Overload / Input under voltage
1.5KVDC I/O isolation
Remote ON/OFF control
9V model available(optional)
3 years warranty

Specifications

SPB09A-03Specifications from the official datasheet (2024-08-02 edition)

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE): Normal 12V (9 ~ 18V)
INPUT CURRENT NO LOAD: 12mA
INPUT CURRENT FULL LOAD: 671mA
OUTPUT VOLTAGE: 3.3V
OUTPUT CURRENT: 0 ~ 2000mA
EFFICIENCY (TYP.): 82%
CAPACITOR LOAD (MAX.): 1000μF

INPUT

VOLTAGE RANGE: 9~18Vdc ,
FILTER: Internal capacitor
PROTECTION: Fuse recommended. 12Vin models: 2A Slow-Blow, 24Vin models: 1A Slow-Blow Type, 48Vin models: 600mA Slow-Blow Type

OUTPUT

VOLTAGE ACCURACY: ±1.5%
RATED POWER: 9W
RIPPLE & NOISE^Note.2: 100mVp-p
LINE REGULATION^Note.3: 0.5%
LOAD REGULATION^Note.4: Single output models: ±0.5% (±1% for 3.3Vout model), Dual output models:±0.5%
SWITCHING FREQUENCY (Min.): 400KHz

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 120 ~ 250% rated output power Protection type : Recovers automatically after fault condition is removed

FUNCTION

REMOTE CONTROL: Power ON: R.C. ~ -Vin >2.5Vdc or open circuit ; Power OFF: R.C. ~ -Vin <0.8Vdc or short

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +90℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +115℃ max.
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.03% / ℃ (0 ~ 70℃)
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.): 500pF
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 3, ±8KV air, Level 2±4KV contact
Radiated Susceptibility BS EN/EN61000-4-3 Level 2, 3V/m
EFT/Bursts BS EN/EN61000-4-4 Level 2, 0.5KV at power
Surge BS EN/EN61000-4-5 Level 2, 0.5KV Line-Line
Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.)
Magnetic Field BS EN/EN61000-4-8 Level 1, 1A/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 3, ±8KV air, Level 2±4KV contact
Radiated Susceptibility	BS EN/EN61000-4-3	Level 2, 3V/m
EFT/Bursts	BS EN/EN61000-4-4	Level 2, 0.5KV at power
Surge	BS EN/EN61000-4-5	Level 2, 0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	Level 2, 3V(e.m.f.)
Magnetic Field	BS EN/EN61000-4-8	Level 1, 1A/m

OTHERS

MTBF: 275Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 24*9.6*11.2mm (0.94*0.38*0.44 inch)
CASE MATERIAL: Non-Conductive black plastic (UL 94V-0 rated)
PACKING: 5g ; 21pcs/per tube, 2100pcs/100 tube/per carton

Test conditions and notes5

1.All parameters are specified at normal input(A:12Vdc, B:24Vdc, C: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 10% 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

SPB09A-03 Mechanical Specification — Mechanical Specification

SPB09A-03 Plug Assignment — Plug Assignment

SPB09A-03 Remote ON/OFF Control — Remote ON/OFF Control

Typical applications

Downloads

Certificates3

Certificate (SPB09-DPB09-EMC)(EN) PDF Download

Certificate (SPB09-DPB09-CE-dec)(EN) PDF Download

Certificate (SPB-DPB09-UK-dec)(EN) PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the SPB09A-03 for a 3.3V industrial controller or embedded processor board?

It can fit higher-power 3.3V control electronics because it provides constant 3.3V output with a 9W rating and 2A output current. That gives it more headroom for embedded processing and control loads than a 2W converter.

Is the SPB09A-03 suitable for 3.3V sensor hubs or communications modules in automation systems?

Yes, it is better aligned with 3.3V electronics that need more available power, since it delivers 9W and 2A. That makes it more practical for grouped control, sensing, and communications circuitry than lower-power alternatives.

Can this converter support 3.3V embedded computing or edge-control hardware?

It can be a fit for compact 3.3V embedded hardware where the load needs more than a minimal control rail. The 9W output and 2A current rating position it for more capable 3.3V electronics than very small support circuits.

Is the SPB09A-03 a better match for denser low-voltage electronics than smaller DC-DC modules?

For 3.3V loads, the 9W power rating and 2A output make it suitable when the electronics need more available current than a very low-power module can provide. Its 24.9 × 11.2 × 9.6 mm dimensions still keep it compact for embedded designs.

Can the SPB09A-03 be used in wide-temperature or outdoor environments?

The listed operating range is -40°C to +90°C, so it supports wide-temperature operation. No IP rating is provided in the listed specs, so the product data does not present it as an exposed outdoor-rated converter.

How does the SPB09A-03 compare with the other SPB09A models?

All listed SPB09A versions are 9W constant-voltage converters with the same 24.9 × 11.2 × 9.6 mm dimensions, 0.005 kg weight, and -40°C to +90°C operating range. The outputs are 3.3V at 2A for SPB09A-03, 5V at 1.6A for SPB09A-05, 12V at 750A for SPB09A-12, 15V at 600A for SPB09A-15, and 24V at 375A for SPB09A-24.

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Model	Power	Voltage	Current	IP Rating
Mean Well SPB09C-24 DC-DC Converter - 9W - 36~75V in 24V out	9W	24V	375 Milliampere	IP20	View
Mean Well SPB09C-15 DC-DC Converter - 9W - 36~75V in 15V out 600mA	9W	15V	600 Milliampere	IP20	View
Mean Well SPB09C-12 DC-DC Converter - 9W - 36~75V in 12V out 750mA	9W	12V	750 Milliampere	IP20	View
Mean Well SPB09C-05 DC-DC Converter - 9W - 36~75V in 5V out 1.6A	9W	5V	1.6A	IP20	View
Mean Well SPB09C-03 DC-DC Converter - 9W - 36~75V in 3.3V out 2A	9W	3.3V	2A	IP20	View
Mean Well SPB09B-24 DC-DC Converter - 9W - 18~36V in 24V out 375mA	9W	24V	375 Milliampere	IP20	View
Mean Well SPB09B-15 DC-DC Converter - 9W - 18~36V in 15V out 600mA	9W	15V	600 Milliampere	IP20	View
Mean Well SPB09B-12 DC-DC Converter - 9W - 18~36V in 12V out 750mA	9W	12V	750 Milliampere	IP20	View
Mean Well SPB09B-05 DC-DC Converter - 9W - 18~36V in 5V out 1.6A	9W	5V	1.6A	IP20	View
Mean Well SPB09B-03 DC-DC Converter - 9W - 18~36V in 3.3V out 2A	9W	3.3V	2A	IP20	View
Mean Well SPB09A-24 DC-DC Converter - 9W - 9~18V in 24V out 375mA	9W	24V	375 Milliampere	IP20	View
Mean Well SPB09A-15 DC-DC Converter - 9W - 9~18V in 15V out 600mA	9W	15V	600 Milliampere	IP20	View
Mean Well SPB09A-12 DC-DC Converter - 9W - 9~18V in 12V out 750mA	9W	12V	750 Milliampere	IP20	View
Mean Well SPB09A-05 DC-DC Converter - 9W - 9~18V in 5V out 1.6A	9W	5V	1.6A	IP20	View

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