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Mean Well

Mean Well SPA02B-05 DC-DC Converter - 2W - 18~36V in 5V out 400mA

SKU SPA02B-05
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Overview

SPA02B-05 is the 5V output model of this series: rated power 2W, typical efficiency 76%.

Features

  • 2:1 wide input range
  • 4:1 wide input range (A / B Type Only)
  • 1000VDC I/O isolation
  • 3000VDC I/O isolation (Option)
  • Built-in remote ON/OFF control
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Single in line package
  • 100% full load burn-in test
  • Low cost / High reliability
  • Modified models available: output 3.3V/9V
  • 2 years warranty

Specifications

SPA02B-05Specifications from the official datasheet (2020-10-30 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
40 ~ 400mA
RATED POWER
2W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
100KHz min.

INPUT

VOLTAGE RANGE
B: 18 ~ 36VDC
EFFICIENCY (Typ.)
76%
DC CURRENT Full load
B: 115mA
DC CURRENT No load
B: 15mA
FILTER
Capacitor Type
REMOTE CONTROL
Power ON : R.C. ~ -Vin < 1VDC or open ; Power OFF : R.C. ~ -Vin > 4VDC
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVERLOAD
150 ~ 250% rated output power Protection type : Recovers automatically after fault condition is removed
SHORT CIRCUIT
All output equipped with short circuit Protection type : Recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.
-40 ~ +85℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +105℃, 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

SAFETY STANDARDS
EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:1KVDC
ISOLATION RESISTANCE
I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
ISOLATION CAPACITANCE
80pF max.
EMC EMISSION
Compliance to EN55032 Class B, FCC part 15 Class B , EAC TP TC 020
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8 light industry level, criteria A , EAC TP TC 020

OTHERS

MTBF
600Khrs min. MIL-HDBK-217F(25℃)
DIMENSION
21.8*9.2*11.1mm or 0.86"*0.36"*0.44" inch (L*W*H)
WEIGHT
4.8g
Test conditions and notes5
  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 10% to 100% rated load.
  5. 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Downloads

FAQ

What input and output does the Mean Well SPA02B-05 support?

The SPA02B-05 is a 2W DC-DC converter with a rated input range of 18 to 36V DC. It provides a regulated 5V DC output at up to 400mA.

Is the SPA02B-05 a good fit for nominal 24V DC systems that need a 5V rail?

Yes. This model is designed for 18 to 36V DC input, so it suits equipment built around a nominal 24V DC supply when a 5V output is required. Buyers should still confirm that the load stays within the unit's 2W and 400mA ratings.

Does the SPA02B-05 provide isolation between input and output?

Yes. The standard SPA02B-05 specification includes 1000V DC input-to-output isolation. That can be useful in control and industrial electronics where separation between the input supply and the 5V output is required.

What protection and reliability features are included in the SPA02B-05?

This model includes short circuit and overload protection. Mean Well also specifies built-in EMI filtering and a 100% full-load burn-in test, which supports its positioning as a low-cost, high-reliability converter.

What operating temperature range can the SPA02B-05 handle?

The SPA02B-05 is rated for operation from -40°C to 85°C. That wide range makes it suitable for equipment exposed to demanding ambient conditions, provided the overall application remains within the product's published ratings.

How compact is the SPA02B-05 for space-sensitive designs?

This converter uses a single in line package and weighs about 0.0048 kg. That combination makes it a practical option where board space and component weight need to stay low.

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Mean Well SPA02B-05 DC-DC Converter - 2W - 18~36V in 5V out 400mA
Mean Well

Mean Well SPA02B-05 DC-DC Converter - 2W - 18~36V in 5V out 400mA

Log in to see price

SPA02B-05 is the 5V output model of this series: rated power 2W, typical efficiency 76%.

Features

  • 2:1 wide input range
  • 4:1 wide input range (A / B Type Only)
  • 1000VDC I/O isolation
  • 3000VDC I/O isolation (Option)
  • Built-in remote ON/OFF control
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Single in line package
  • 100% full load burn-in test
  • Low cost / High reliability
  • Modified models available: output 3.3V/9V
  • 2 years warranty
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