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Mean Well SUS01N-09 DC-DC Converter - 1W - 21.6~26.4V in 9V out

SKU SUS01N-09

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Overview

SUS01N-09 is the model of this series: rated power 1W, typical efficiency 80%.

Features

Specifications

SUS01N-09Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC OUTPUT VOLTAGE: 9V
OUTPUT CURRENT RANGE: 0 ~ 111mA
EFFICIENCY: 80%
RATED POWER: 1W
RIPPLE & NOISE (max.)^Note.2: 100mVp-p
LINE REGULATION^Note.3: ±1.2% for 1% input variation
LOAD REGULATION^Note.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.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
3.Line regulation is measured from low line to high line at rated load.
4.Load regulation is measured from 20% to 100% rated load.

Technical drawings

SUS01N-09 Mechanical Specification Unit: mm — Mechanical Specification Unit: mm

Downloads

Certificates2

EMC Certificate(SUS01)(EN) PDF Download

FCC Certificate(SUS01)(EN) PDF Download

Test reports1

Test Report(SUS01N-9)(EN) PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the SUS01N-09 for a low-power 9V rail in industrial control electronics?

Yes, it can serve low-power 9V electronics when the available source is within the 21-26VAC input range. It provides constant-voltage 9V output and is rated at 1W, so it is intended for small control or interface circuits rather than larger 9V devices. Its compact dimensions also help in dense assemblies.

Is this model a fit for embedded 9V sensor interface or signal-processing boards?

It can be a fit for embedded boards that require a regulated 9V output and have very modest power demand. The converter is specified at 1W total and a listed output current of 111A, with a constant-voltage operating mode. The input source still needs to match the 21-26VAC range.

Can the SUS01N-09 be used as an auxiliary 9V supply inside compact automation hardware?

Yes, as an auxiliary 9V supply for low-power automation electronics, this model can be appropriate. The body size is 22.6 × 9.9 × 8.9 mm and the weight is 0.0031 kg, which suits compact hardware layouts. It remains a 1W converter, so it is not meant for higher-demand 9V loads.

Will the SUS01N-09 work in cold or warm indoor equipment environments?

The specified operating temperature range is -25°C to +71°C, so its allowed thermal range is defined for equipment use. No IP rating is listed in the provided specs, so enclosure sealing against water or dust is not specified. That supports use in protected environments rather than assuming exposed outdoor suitability.

What is the difference between the SUS01N-09 and other SUS01N family models?

In the same series, the listed siblings are SUS01N-05 at 1W and 5V with 200A, SUS01N-12 at 1W and 12V with 0.08A, and SUS01N-15 at 1W and 15V with 0.07A. The SUS01N-09 model provides 9V output at a listed 111A and is also rated at 1W. The main family distinction is the output voltage and listed current for each version.

Payment & Security

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Model	Power	Voltage	Current	IP Rating
Mean Well SUS01O-15 DC-DC Converter - 1W - 43.2~52.8V in 15V out	1W	15V	0.067A	IP20	View
Mean Well SUS01O-12 DC-DC Converter - 1W - 43.2~52.8V in 12V out	1W	12V	0.084A	IP20	View
Mean Well SUS01O-09 DC-DC Converter - 1W - 43.2~52.8V in 9V out	1W	9V	111 Milliampere	IP20	View
Mean Well SUS01O-05 DC-DC Converter - 1W - 43.2~52.8V in 5V out	1W	5V	200 Milliampere	IP20	View
Mean Well SUS01N-15 DC-DC Converter - 1W - 21.6~26.4V in 15V out	1W	15V	0.067A	IP20	View
Mean Well SUS01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out	1W	12V	0.084A	IP20	View
Mean Well SUS01N-05 DC-DC Converter - 1W - 21.6~26.4V in 5V out	1W	5V	200 Milliampere	IP20	View
Mean Well SUS01M-15 DC-DC Converter - 1W - 10.8~13.2V in 15V out	1W	15V	0.067A	IP20	View
Mean Well SUS01M-12 DC-DC Converter - 1W - 10.8~13.2V in 12V out	1W	12V	0.084A	IP20	View
Mean Well SUS01M-09 DC-DC Converter - 1W - 10.8~13.2V in 9V out	1W	9V	111 Milliampere	IP20	View
Mean Well SUS01M-05 DC-DC Converter - 1W - 10.8~13.2V in 5V out	1W	5V	200 Milliampere	IP20	View
Mean Well SUS01L-15 DC-DC Converter - 1W - 4.5~5.5V in 15V out	1W	15V	0.067A	IP20	View
Mean Well SUS01L-12 DC-DC Converter - 1W - 4.5~5.5V in 12V out	1W	12V	0.084A	IP20	View
Mean Well SUS01L-09 DC-DC Converter - 1W - 4.5~5.5V in 9V out	1W	9V	111 Milliampere	IP20	View
Mean Well SUS01L-05 DC-DC Converter - 1W - 4.5~5.5V in 5V out	1W	5V	200 Milliampere	IP20	View

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Mean Well SUS01N-09 DC-DC Converter - 1W - 21.6~26.4V in 9V out

Overview

Features

Specifications

OUTPUT

INPUT

PROTECTION

ENVIRONMENT

SAFETY & EMC

OTHERS

Technical drawings

Downloads

Certificates2

Test reports1

Catalogues2

FAQ

Payment & Security

Other SUS01 Models

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Mean Well SUS01N-09 DC-DC Converter - 1W - 21.6~26.4V in 9V out

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