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Mean Well

Mean Well SMA01L-09 DC-DC Converter - 1W - 4.5~5.5V in 9V out 110mA

SKU SMA01L-09
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Overview

SMA01L-09 is the model of this series: rated power 1W, typical efficiency 77%.

Features

  • 1500VDC I/O isolation
  • 3000VDC I/O isolation(optional)
  • Operating temperature range of -40 ~ +85℃ without derating
  • Internal SMD technology
  • Built-in EMI filter
  • Cooling by free air convection
  • Non-conductive plastic case
  • Dual in line package
  • Industry standard pinout
  • 100% burn-in test
  • Low cost / High reliability
  • 2 years warranty

Specifications

SMA01L-09Specifications from the official datasheet (2024-08-02 edition)

SELECTION GUIDE

DC OUTPUT VOLTAGE
9V
OUTPUT CURRENT RANGE
0 ~ 110mA
EFFICIENCY(Typ.)
77%

OUTPUT

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(Typ.)
100KHz

INPUT

VOLTAGE RANGE
4.5 ~ 5.5V
NORMAL VOLTAGE
5V
INPUT CURRENT Full load
265mA
INPUT CURRENT No load
32mA
PROTECTION (FUSE RECOMMENDED)
500mA
FILTER
Capacitor type

PROTECTION

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

ENVIRONMENT

WORKING TEMP.
-40 ~ +90℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-55 ~ +125℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.05% / ℃ (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.
EMI RADIATION
Compliance to BS EN/EN55032 Class B, FCC part 15 Class B, EAC TP TC 020
EMS 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 (L*W*H)
12.7*10.16*7.1mm or 0.50"*0.40"*0.28" inch for 5V,12V input ; 12.7*10.16*7.62mm or 0.50"*0.40"*0.30" inch for 24V input
PACKING
1.6g ; 40pcs/per tube, 6000pcs/150 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

SMA01L-09 Mechanical Specification Unit: mm
Mechanical Specification Unit: mm
SMA01L-09 Packing
Packing

Downloads

FAQ

Can I use the SMA01L-09 for a compact 9V rail in embedded or industrial electronics?

Yes, for small 9V electronics that fit within the converter's 1W rating. The SMA01L-09 accepts 4.5~5.5V input and provides a constant-voltage 9V output. That makes it suitable for low-power 9V auxiliary rails rather than higher-power 9V loads.

Is this a good choice for a low-power 9V interface or signal-conditioning stage in automation hardware?

It can be, provided the 9V stage stays within 1W. The converter is designed for 4.5~5.5V input conditions and outputs regulated 9V constant voltage, which aligns with small signal or interface sections. Its compact package also suits space-limited control electronics.

Can the SMA01L-09 be used in a small instrumentation circuit that needs 9V from a 5V-class source?

Yes, if the source stays within 4.5~5.5V and the instrumentation load is within 1W. The unit's 12.7 × 10.16 × 7.1 mm dimensions and 1.6g weight are useful where PCB or enclosure space is tight. It is intended for compact electronics, not larger 9V subsystems.

Would this converter fit a 9V communications or monitoring subassembly inside equipment?

It can fit small communications or monitoring subassemblies that require regulated 9V and stay within the 1W rating. The output mode is constant voltage, which is appropriate for electronics expecting a stable 9V rail. The input must remain in the 4.5~5.5V range.

What is the difference between the SMA01L-09 and the other SMA01L output options?

This series shares the same 1W rating and 4.5~5.5V input range across the sibling models. The SMA01L-09 provides 9V output and lists 110mA, while SMA01L-05 is 5V and 200mA, SMA01L-12 is 12V and 84mA, and SMA01L-15 is 15V and 67mA. The selection point is the required output voltage and the listed current for each version.

Can the SMA01L-09 be used outdoors or in cold industrial environments?

Its specified operating temperature range is -40°C to +90°C, so it covers both cold and hot operating conditions. The provided specs do not list an IP rating, so the converter should not be assumed to be outdoor-rated against dust or water. It is best used inside protected equipment unless separate enclosure protection is provided.

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Mean Well SMA01L-09 DC-DC Converter - 1W - 4.5~5.5V in 9V out
Mean Well

Mean Well SMA01L-09 DC-DC Converter - 1W - 4.5~5.5V in 9V out 110mA

Log in to see price

SMA01L-09 is the model of this series: rated power 1W, typical efficiency 77%.

Features

  • 1500VDC I/O isolation
  • 3000VDC I/O isolation(optional)
  • Operating temperature range of -40 ~ +85℃ without derating
  • Internal SMD technology
  • Built-in EMI filter
  • Cooling by free air convection
  • Non-conductive plastic case
  • Dual in line package
  • Industry standard pinout
  • 100% burn-in test
  • Low cost / High reliability
  • 2 years warranty
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