Over 15 years experience of providing support of MEAN WELL Power Supplies
Image shown is a representation only. Exact specifications should be obtained from the product datasheet.
Mean Well PSD-45C-12 DC-DC Converter - 45W - 36~72V in 12V out 3.75A
Log in to see priceOverview
PSD-45C-12 is the 12V output model of this series: rated current 3.75A, rated power 45W, typical efficiency 83%.
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
OUTPUT
- DC VOLTAGE
- 12V
- RATED CURRENT
- 3.75A
- CURRENT RANGE
- 0 ~ 3.75A
- RATED POWER
- 45W
- RIPPLE & NOISE (max.)Note.2
- 120mVp-p
- VOLTAGE ADJ RANGE
- 10.8 ~13.2V
- VOLTAGE TOLERANCENote.3
- ± 2.0%
- LINE REGULATION
- ± 1.0%
- LOAD REGULATION
- ± 1.0%
- SETUP, RISE, HOLD UP TIME
- 1000ms, 50ms, ----/12VDC/24VDC at full load; 1500ms,50ms,----48VDC at full load
INPUT
- VOLTAGE RANGE
- 36~72VDC(48VDC)
- EFFICIENCY(Typ.)
- 83%
- 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
- 13.8~ 16.2V/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.All parameters NOT specially mentioned are measured at normal input,rated load and 25℃ of ambient temperature.
- 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.Tolerance:includes set up tolerance,line regulation and load regulation.
- 4.The interval of turning ON and OFF the power supply continuously is 2 seconds.
- 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
Downloads
FAQ
Can I use the PSD-45C-12 to power 12V industrial controls from a 36-72V DC bus?
Yes, this unit is designed for 36-72V input and provides a constant 12V output. Its output rating is 45W with up to 3.75A available for the connected 12V load.
Is the PSD-45C-12 a fit for telecom or control cabinets that distribute higher DC voltage but need local 12V power?
It is suitable where the source voltage stays within 36-72V and the load requires regulated 12V DC. The converter provides up to 3.75A output current and uses a 2:1 wide input range.
Can this model power 12V sensors, relays, or automation accessories in a distributed system?
It can support 12V accessories and control devices as long as the total demand stays within 45W and 3.75A. The constant-voltage output is intended for equipment that expects a regulated 12V supply.
Is the PSD-45C-12 suitable for outdoor panels or harsh exposed locations?
The specifications show an operating temperature range of -10°C to +60°C, but no IP rating is listed. That means the temperature range is defined, while outdoor or washdown suitability is not established by the published data.
How does the PSD-45C-12 compare with other PSD 45-series options?
The related higher-output models listed are PSD-45B-5 and PSD-45C-5 at 5V and 9A, PSD-45B-24 and PSD-45C-24 at 24V and 1.875A, and PSD-45B-12 at 12V and 3.75A; this PSD-45C-12 is the 45W, 12V, 3.75A model with 36-72V input.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Other PSD-45C Models
2 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well PSD-45C-5 DC-DC Converter - 45W - 36~72V in 5V out 9A | 45W | 5V | 9A | IP20 | View |
| Mean Well PSD-45C-24 DC-DC Converter - 45W - 36~72V in 24V out 1.875A | 45W | 24V | 1.875A | IP20 | View |
Please log in to write a review.
Write a review
Reviews are checked before publishing. By submitting you confirm this is your genuine experience with this product.
Submitting your review…
It's published and now helps other buyers.
We're checking it and it'll appear shortly.
Please try again.
