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Mean Well SPB09B-12 DC-DC Converter - 9W - 18~36V in 12V out 750mA

SKU SPB09B-12

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Overview

SPB09B-12 is the 12V output model of this series: rated power 9W, typical efficiency 88%.

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

SPB09B-12Specifications from the official datasheet (2024-08-02 edition)

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE): Normal 24V (18 ~ 36V)
INPUT CURRENT NO LOAD: 12mA
INPUT CURRENT FULL LOAD: 426mA
OUTPUT VOLTAGE: 12V
OUTPUT CURRENT: 0 ~ 750mA
EFFICIENCY (TYP.): 88%
CAPACITOR LOAD (MAX.): 220μF

INPUT

VOLTAGE RANGE: 18~36Vdc ,
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

SPB09B-12 Mechanical Specification — Mechanical Specification

SPB09B-12 Plug Assignment — Plug Assignment

SPB09B-12 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 SPB09B-12 for a 12V automation controller or industrial interface module?

Yes, if the equipment requires constant 12V output and fits within the converter's 9W capacity. It accepts 18-36VDC input, which matches higher-voltage control systems. This makes it relevant for low-power 12V control electronics in industrial and automation equipment.

Is the SPB09B-12 a good fit for 12V instrumentation or monitoring devices?

It can be used where a stable 12V rail is needed from an 18-36VDC source. The unit is rated at 9W with a listed 750mA output current, so application fit should be checked against the device's required 12V load. Its constant voltage operation is appropriate for regulated electronics rather than variable-output use.

Can this model power compact 12V industrial electronics inside space-constrained equipment?

Yes. The body is 24 × 9.6 × 11.2 mm and weighs 5g, so it is suited to compact assemblies where board space and weight matter. It is intended for low-power 12V electronics within its 9W rating.

Will the SPB09B-12 handle cold or hot industrial environments, and is it outdoor-rated?

The specified operating temperature is -40°C to +90°C, so the temperature range supports both cold and hot equipment environments. However, no IP rating is provided in the listed specs. Based on this data, outdoor or exposed-enclosure suitability is not confirmed.

What are the output differences between the SPB09B-12 and the other SPB09B versions?

Each model in the SPB09B family is rated at 9W and uses 18-36VDC input. The outputs are 3.3V at 2A for SPB09B-03, 5V at 1.6A for SPB09B-05, 12V at 750mA for SPB09B-12, 15V at 600mA for SPB09B-15, and 24V at 375mA for SPB09B-24. The family is differentiated by output voltage and listed output current.

Payment & Security

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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-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
Mean Well SPB09A-03 DC-DC Converter - 9W - 9~18V in 3.3V out 2A	9W	3.3V	2A	IP20	View

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