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Mean Well NSD10-12S3 DC-DC Converter - 8.25W - 9.8~36V in 3.3V out ...
Overview
NSD10-12S3 is the 3.3V output model of this series: rated current 2.5A, rated power 8.25W, typical efficiency 72%.
Features
- Wide 4:1 DC input range
- Protections: Short circuit / Overload / Over voltage
- 1000VDC I/O isolation
- Built-in EMI filter
- Cooling by free air convection
- Built-in remote ON-OFF control
- 100% full load burn-in test
- Low cost
- High reliability
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 3.3V
- RATED CURRENT
- 2.5A
- CURRENT RANGE
- 0.12 ~ 2.5A
- RATED POWER
- 8.25W
- CAPACITIVE LOAD (max.)
- 3300uF
- RIPPLE & NOISE (max.)Note.2
- 75mVp-p
- VOLTAGE TOLERANCENote.3
- ±2.0% max.
- LINE REGULATION
- ±1.0%
- LOAD REGULATION
- ±2.0%
- SETUP TIME
- 100ms/RATED DC INPUT at full Load
INPUT
- RATED DC INPUT
- 12VDC
- VOLTAGE RANGE
- 9.8 ~ 36VDC
- EFFICIENCY (Typ.)
- 72%
- DC CURRENT
- 1.4A/12VDC
- SHUTDOWN IDLE CURRENT
- 20mA/12VDC
PROTECTION
- OVERLOAD
- Above 105% rated output power Protection type : Over power limiting, recovers automatically after fault condition is removed
- OVER VOLTAGE(CLAMP)
- 3.8 ~ 4.95V
- SHORT CIRCUITNote.4
- Recovers automatically after fault condition is removed
FUNCTION
- ON/OFF CONTROL
- Logic "1" OPEN: ON logic "0" GND: OFF
ENVIRONMENT
- WORKING TEMP.
- -25 ~ +70℃
- WORKING HUMIDITY
- 0% ~ 95% RH max.
- STORAGE TEMP., HUMIDITY
- -40 ~ +85℃, 0 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03%/℃ (0~60℃)
SAFETY & EMC (Note 5)
- SAFETY STANDARDS
- UL62368-1, EAC TP TC 004 approved, Design refer to BS EN/EN62368-1
- ISOLATION VOLTAGE
- I/P-O/P:1KVDC
- ISOLATION RESISTANCE
- I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to BS EN/EN55032 (CISPR32) Class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,6,8; BS EN/EN55035, light industry level, EAC TP TC 020
OTHERS
- MTBF
- 12058.3K hrs min. Telcordia SR-332 (Bellcore) ; 2138.0K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 50.8*25.4*10mm (2"*1"*0.394") (L*W*H)
- PACKING
- 0.02Kg; 300pcs/7Kg/0.94CUFT
Test conditions and notes8
- 1. All parameters NOT specially mentioned are measured at 12, 48VDC input, rated load and 25℃ of ambient temperature.
- 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
- 3. Tolerance : includes set up tolerance, line regulation and load regulation.
- 4. Short circuit not more than 60 seconds.
- 5. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 230mm*230mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
- 6. To insure proper operation, a 220uF/100V electrolytic capacitor with Esr <1Ω must be added to the input line.
- 7. EMC filter suggestion:
- 8. 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 NSD10-12S3 to power a 3.3V industrial controller or embedded logic board?
Yes, it is a constant-voltage 3.3V converter rated for up to 2.5A and 8.25W. It fits 3.3V control boards, embedded processors, and logic sections as long as the total load stays within 3.3V, 2.5A, and 8.25W.
Is the NSD10-12S3 suitable for 3.3V sensor and low-power automation electronics?
It can be used for 3.3V sensor interfaces, compact automation electronics, and low-voltage control circuits because it provides constant 3.3V output. The important sizing limit is 2.5A output current and 8.25W total power.
Can this converter support a 3.3V communication or monitoring module in industrial equipment?
It is appropriate for 3.3V communication, monitoring, or embedded support modules when those modules need a regulated constant-voltage rail. The available output is 3.3V at up to 2.5A, with 8.25W total capacity.
Is the NSD10-12S3 a good fit for space-limited control cabinets or compact embedded assemblies?
Its compact size of 50.8 x 25.4 x 10.0 mm and weight of 0.02 kg make it suitable where board space and weight are limited. That makes it practical for compact control assemblies using a 3.3V rail within the 8.25W rating.
Can the NSD10-12S3 be used outdoors or in harsh temperature conditions?
The listed working temperature range is -25C to +70C, with storage from -40C to +85C. However, no IP rating is provided in these specs, so the product data does not identify it as weatherproof or outdoor rated on its own.
How does the NSD10-12S3 compare with other NSD10 series options?
Within the 9.8~36V input branch, siblings are NSD10-12S5 at 10W, 5V, 2A; NSD10-12S9 at 9.9W, 9V, 1.1A; NSD10-12S12 at 9.96W, 12V, 0.83A; and NSD10-12S15 at 10.05W, 15V, 0.67A. The 22~72V input branch includes NSD10-48S3 at 8.25W, 3.3V, 2.5A; NSD10-48S5 at 10W, 5V, 2A; NSD10-48S9 at 9.9W, 9V, 1.1A; NSD10-48S12 at 9.96W, 12V, 0.83A; and NSD10-48S15 at 10.05W, 15V, 0.67A. All share the same 50.8 x 25.4 x 10 mm package and -25C to +70C working temperature.
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