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Mean Well SPB09B-24 DC-DC Converter - 9W - 18~36V in 24V out 375mA
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
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 & NOISENote.2
- 100mVp-p
- LINE REGULATIONNote.3
- 0.5%
- LOAD REGULATIONNote.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
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
Typical applications
- Telecom/ datacom system
- Wireless network
- Industrial control facility
- Instrument
- Analyzer
- Detector
- Data switch
Downloads
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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