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Mean Well

Mean Well SUS01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out

SKU SUS01N-12
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Overview

SUS01N-12 is the model of this series: rated power 1W, typical efficiency 83%.

Features

  • 1500VDC I/O isolation
  • Internal SMD technology
  • Built-in EMI filter
  • Cooling by free air convection
  • Non-conductive plastic case
  • Dual in line package
  • 100% burn-in test
  • Low cost / High reliability
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty

Specifications

SUS01N-12Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC OUTPUT VOLTAGE
12V
OUTPUT CURRENT RANGE
0 ~ 84mA
EFFICIENCY
83%
RATED POWER
1W
RIPPLE & NOISE (max.)Note.2
100mVp-p
LINE REGULATIONNote.3
±1.2% for 1% input variation
LOAD REGULATIONNote.4
±8.0%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
50KHz min.

INPUT

VOLTAGE RANGE
21.6 ~ 26.4V
NORMAL VOLTAGE
24V
INPUT CURRENT Full load
55mA
INPUT CURRENT No load
10mA
FILTER
Capacitor type
PROTECTION
Fuse recommended

PROTECTION

OVERLOAD
Momentary Protection type : Broken
SHORT CIRCUIT
Momentary Protection type : Broken

ENVIRONMENT

WORKING TEMP.
-25 ~ +71℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-25 ~ +105℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03% / ℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
EAC TP TC 020/2011 approved
WITHSTAND VOLTAGE
I/P-O/P:1.5KVDC
ISOLATION RESISTANCE
I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
ISOLATION CAPACITANCE
80pF max.
EMC EMISSION
Compliance to BS EN/EN55032 Class B, FCC part 15 Class B, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, criteria A, EAC TP TC 020

OTHERS

MTBF
700khrs min. MIL-HDBK-217F(25℃)
DIMENSION
22.6*9.9*8.9mm or 0.89"*0.39"*0.35" inch (L*W*H)
PACKING
3.1g ; 22 pcs/per tube, 3080 pcs/ 140 tube/per carton
Test conditions and notes4
  1. 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
  2. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
  3. 3.Line regulation is measured from low line to high line at rated load.
  4. 4.Load regulation is measured from 20% to 100% rated load.

Technical drawings

SUS01N-12 Mechanical Specification Unit: mm
Mechanical Specification Unit: mm
SUS01N-12 Packing
Packing

Downloads

FAQ

Can I use the SUS01N-12 to generate 12V for low-power industrial control circuits from a 21-26VAC source?

Yes, it is suited to low-power 12V control electronics when the input source falls within 21-26VAC. The output is constant voltage at 12V, and the unit is rated for 1W with a maximum output current of 0.08A. That makes it better for small auxiliary control loads than for higher-draw 12V equipment.

Is the SUS01N-12 appropriate for compact embedded systems that need an isolated 12V auxiliary rail?

It can be appropriate for very small embedded systems that need a regulated 12V auxiliary supply from a 21-26VAC input. The package measures 22.6 × 9.9 × 8.9 mm and weighs 0.0031 kg, which is useful in space-limited designs. The load should remain within the 1W and 0.08A limits.

Can this model power low-current 12V automation interfaces or signaling electronics?

It can power 12V automation interfaces or signaling electronics that require constant-voltage output and draw no more than 0.08A. Because the total power rating is 1W, it is intended for light auxiliary electronics rather than larger field devices or actuators. It is important to match both voltage and power demand to the listed specs.

Is the SUS01N-12 suitable for outdoor cabinets or only indoor protected enclosures?

The datasheet information provided includes an operating temperature range of -25°C to +71°C, so temperature capability is stated. However, no IP rating is listed, so the product's resistance to rain, washdown, or dust ingress is not defined here. Based on the available specs, it is safer to classify it for protected enclosure use unless separate enclosure data is provided.

How does the SUS01N-12 compare with the other SUS01N options?

The sibling models listed are SUS01N-05 at 1W and 5V with 200A, SUS01N-09 at 1W and 9V with 111A, and SUS01N-15 at 1W and 15V with 0.07A. The SUS01N-12 itself is a 1W, 12V model with 0.08A output current. All belong to the same 21-26VAC input family, with output voltage and listed current being the main differentiators.

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Mean Well SUS01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out
Mean Well

Mean Well SUS01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out

Log in to see price

SUS01N-12 is the model of this series: rated power 1W, typical efficiency 83%.

Features

  • 1500VDC I/O isolation
  • Internal SMD technology
  • Built-in EMI filter
  • Cooling by free air convection
  • Non-conductive plastic case
  • Dual in line package
  • 100% burn-in test
  • Low cost / High reliability
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty
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