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Mean Well SPB09B-24 DC-DC Converter - 9W - 18~36V in 24V out 375mA

Name: Mean Well SPB09B-24 DC-DC Converter - 9W - 18~36V in 24V out 375mA
Brand: Mean Well
SKU: SPB09B-24
Price: 17.22 USD
Availability: InStock

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Overview

SPB09B-24 is the 24V output model of this series: rated power 9W, typical efficiency 89%.

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-24Specifications from the official datasheet (2024-08-02 edition)

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE): Normal 24V (18 ~ 36V)
INPUT CURRENT NO LOAD: 20mA
INPUT CURRENT FULL LOAD: 421mA
OUTPUT VOLTAGE: 24V
OUTPUT CURRENT: 0 ~ 375mA
EFFICIENCY (TYP.): 89%
CAPACITOR LOAD (MAX.): 100μF

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-24 Mechanical Specification — Mechanical Specification

SPB09B-24 Plug Assignment — Plug Assignment

SPB09B-24 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-24 for 24V industrial sensors or automation electronics?

Yes, if the device requires constant 24V output and remains within the converter's 9W rating. The unit accepts 18-36VAC input, so it fits higher-voltage control systems that need a regulated 24V rail for low-power electronics. It is intended for compact 24V loads rather than higher-power field devices.

Is the SPB09B-24 suitable for low-power 24V control and monitoring devices?

It can be a fit for 24V electronics that need stable constant voltage and stay within 9W. The listed output current is 375A, and the product is designed as a DC-DC converter for regulated output. That makes it relevant for low-power control, monitoring, and interface functions using 24V.

Can this model be used in compact industrial equipment where size matters?

Yes. The converter measures 24.9 × 11.2 × 9.6 mm and weighs 0.005 kg, which supports dense equipment layouts. Its compact format is useful when adding a 24V rail to small assemblies with limited available space.

Does the SPB09B-24 support outdoor use or wide temperature exposure?

The operating temperature range is -40°C to +90°C, so it is specified for wide thermal conditions. However, the provided specs do not list an IP rating. That means outdoor exposure resistance is not confirmed from the available data.

What is the difference between the SPB09B-24 and the rest of the SPB09B family?

The SPB09B family all shares 9W power and 18-36VAC input. The outputs across the series are 3.3V at 2A, 5V at 1.6A, 12V at 750A, 15V at 600A, and 24V at 375A. The SPB09B-24 is the 24V member of that group.

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