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Mean Well

Mean Well PSD-45B-24 DC-DC Converter - 45W - 18~36V in 24V out 1.875A

2:1 wide input range1.5~2KVAC isolation by models
SKU PSD-45B-24
$22.22 USD
Shipping calculated at checkout.
In stock
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Overview

PSD-45B-24 is the 24V output model of this series: rated current 1.875A, rated power 45W, typical efficiency 85%.

Features

  • 2:1 wide input range
  • Protections:Short circuit/Over load /Over voltage/ Polarity
  • Cooling by free air convection
  • Built-in EMI filter, low ripple noise
  • 100% full load burn-in test
  • Fixed switching frequency at 96KHZ
  • Low cost
  • High reliability
  • 2 year warranty

Specifications

PSD-45B-24Specifications from the official datasheet (2024-10-30 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
1.875A
CURRENT RANGE
0 ~ 1.875A
RATED POWER
45W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ RANGE
21.6 ~ 26.4V
VOLTAGE TOLERANCENote.3
± 2.0%
LINE REGULATION
± 0.5%
LOAD REGULATION
± 0.5%
SETUP, RISE, HOLD UP TIME
1000ms, 50ms, ----/12VDC/24VDC at full load; 1500ms,50ms,----48VDC at full load

INPUT

VOLTAGE RANGE
18 ~ 36VDC (24VDC)
EFFICIENCY(Typ.)
85%
DC CURRENT(Typ.)
3.5A/12VDC 2.5A/24VDC 1.2A/48VDC

PROTECTION

OVER LOAD
105% -160% rated output power Protection type :shut down, Re-power on after fault condition is removed
OVER VOLTAGE
27.6 ~ 32.4V/10%load Protection type : Hiccup mode, recovery automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.
-10 ~ +60℃ (Refer to output load derating curve),20~90%RH non-condensing
WORKING HUMIDITY
20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY
-20 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.05%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, Period for 60min.each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
TUV BS EN/EN62368-1, EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:1.5KVAC I/P-FG:2.0KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25℃/ 70% RH
EMI CONDUCTION&RADIATION
Compliance to BS EN/EN55032(CISPR32) CLASS B, EAC TP TC 020
EMS IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,6,8,BS EN/EN55035,BS EN/EN61000-6-1 Light industry level, EAC TP TC 020

OTHERS

MTBF
3067.4K hrs min. Telcordia SR-332 (Bellcore) ; 463.9K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
127*76*30mm (L*W*H)
PACKING
0.19Kg;72pcs/15.6Kg/1.28CUFT
Test conditions and notes5
  1. 1.All parameters NOT specially mentioned are measured at normal input,rated load and 25℃ of ambient temperature.
  2. 2.Ripple & noise are measued at 20 MHz of bandwidth by using a 12inch twisted pair-wire termined with a 0.1uf & 47uf capacitor.
  3. 3.Tolerance:includes set up tolerance,line regulation and load regulation.
  4. 4.The interval of turning ON and OFF the power supply continuously is 2 seconds.
  5. 5.The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

PSD-45B-24 Mechanical Specification
Mechanical Specification
PSD-45B-24 Block Diagram
Block Diagram
PSD-45B-24 Output Derating
Output Derating

Downloads

FAQ

Can I use the PSD-45B-24 for a 24V PLC or automation subsystem on an 18-36VDC source?

Yes, this converter provides a constant 24V output from an 18-36VDC input range. It is suitable for 24V automation loads that stay within 45W and 1.88A.

Is the PSD-45B-24 a fit for 24V sensors, transmitters, or industrial communication hardware?

It can work well for 24V field and communication devices that need constant-voltage power and have a total demand no higher than 1.88A. The power limit for the unit is 45W.

Would the PSD-45B-24 support a compact 24V HMI or control interface assembly?

Yes, if the assembly is designed for 24V input and its total consumption stays within 45W. The higher power level versus a 30W 24V model gives this version up to 1.88A of output current.

Can this model be used for 24V equipment in battery-backed or mobile industrial systems?

It can be considered where the available source is within 18-36VDC and the downstream equipment needs 24V constant-voltage output. The sizing limits are 24V, 1.88A, and 45W.

Is the PSD-45B-24 suitable for outdoor panels or exposed environments?

The stated operating temperature range is -10°C to +60°C. Because no IP rating is provided, the specs do not establish suitability for outdoor exposure, water ingress, or high-dust locations.

Payment & Security

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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Mean Well PSD-45B-24 DC-DC Converter - 45W - 18~36V in 24V out 1.875A
Mean Well

Mean Well PSD-45B-24 DC-DC Converter - 45W - 18~36V in 24V out 1.875A

$22.22 USD

PSD-45B-24 is the 24V output model of this series: rated current 1.875A, rated power 45W, typical efficiency 85%.

Features

  • 2:1 wide input range
  • Protections:Short circuit/Over load /Over voltage/ Polarity
  • Cooling by free air convection
  • Built-in EMI filter, low ripple noise
  • 100% full load burn-in test
  • Fixed switching frequency at 96KHZ
  • Low cost
  • High reliability
  • 2 year warranty
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