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Mean Well

Mean Well NSD10-12S3 DC-DC Converter - 8.25W - 9.8~36V in 3.3V out 2.5A

SKU NSD10-12S3
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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

NSD10-12S3Specifications from the official datasheet (2024-10-30 edition)

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. 1. All parameters NOT specially mentioned are measured at 12, 48VDC input, rated load and 25℃ of ambient temperature.
  2. 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. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. Short circuit not more than 60 seconds.
  5. 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. 6. To insure proper operation, a 220uF/100V electrolytic capacitor with Esr <1Ω must be added to the input line.
  7. 7. EMC filter suggestion:
  8. 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

NSD10-12S3 Mechanical Specification
Mechanical Specification
NSD10-12S3 Block Diagram
Block Diagram
NSD10-12S3 Derating Curve
Derating Curve

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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Other NSD10 Models

15 other models
ModelPowerVoltageCurrentIP Rating
Mean Well NSD10-48S9 DC-DC Converter - 9.9W - 22~72V in 9V out 1.1A 9.9W 9V 1.1A IP20 View
Mean Well NSD10-48S5 DC-DC Converter - 10W - 22~72V in 5V out 2A 10W 5V 2A IP20 View
Mean Well NSD10-48S3 DC-DC Converter - 8.25W - 22~72V in 3.3V out 2.5A 8.25W 3.3V 2.5A IP20 View
Mean Well NSD10-48S15 DC-DC Converter - 10.05W - 22~72V in 15V out 670mA 10.05W 15V 0.67A IP20 View
Mean Well NSD10-48S12 DC-DC Converter - 9.96W - 22~72V in 12V out 830mA 9.96W 12V 0.83A IP20 View
Mean Well NSD10-48D5 DC-DC Converter - 10W - 22~72V in ±5V out 1A 10W 5V 1A IP20 View
Mean Well NSD10-48D15 DC-DC Converter - 9.9W - 22~72V in ±15V out 333mA 9.9W 15V 0.33A IP20 View
Mean Well NSD10-48D12 DC-DC Converter - 10.8W - 22~72V in ±12V out 420mA 10.08W 12V 0.42A IP20 View
Mean Well NSD10-12S9 DC-DC Converter - 9.9W - 9.8~36V in 9V out 1.1A 9.9W 9V 1.1A IP20 View
Mean Well NSD10-12S5 DC-DC Converter - 10W - 9.8~36V in 5V out 2A 10W 5V 2A IP20 View
Mean Well NSD10-12S15 DC-DC Converter - 10.05W - 9.8~36V in 15V out 670mA 10.05W 15V 0.67A IP20 View
Mean Well NSD10-12S12 DC-DC Converter - 9.96W - 9.8~36V in 12V out 830mA 9.96W 12V 0.83A IP20 View
Mean Well NSD10-12D5 DC-DC Converter - 10W - 9.8~36V in ±5V out 1A 10W 5V 1A IP20 View
Mean Well NSD10-12D15 DC-DC Converter - 9.9W - 9.8~36V in ±15V out 333mA 9.9W 15V 0.33A IP20 View
Mean Well NSD10-12D12 DC-DC Converter - 10.8W - 9.8~36V in ±12V out 420mA 10.08W 12V 0.42A IP20 View
View all 38 NSD Series models
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Mean Well NSD10-12S3 DC-DC Converter - 8.25W - 9.8~36V in 3.3V out 2.5A
Mean Well

Mean Well NSD10-12S3 DC-DC Converter - 8.25W - 9.8~36V in 3.3V out 2.5A

Log in to see price

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
View product

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