Data Sheet
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
Page 1 of 5
3ACA_3 – Rev. 2017-1.4
Specications subject to change without notice.
3ACA_3R Series
3W - Single Output AC-DC Converter - Universal Input - Isolated & Regulated
AC-DC Converter 3 Watt
The 3ACA_3 series is a compact size power converter series oered by
Gaptec. It features universal input voltage, taking both DC and AC input
voltage, low power consumption, high eciency, high reliability, safer
isolation. It oers good EMC performance, and is UL & CE certied, and
widely used in industrial, electricity, instruments, telecommunication
and civil applications.
Universal input:
85~264VAC/100~370VDC
AC and DC dual-use (input
from the same terminal)
High eciency
Operating temperature:
-20°C~+70°C
High power density
Output over voltage protection
Short circuit protection (SCP)
Over temperature protection
Meets EN60950, UL60950
Output specications
Voltage accuracy ±2%
±3% at 3.3V output
Line regulation (full load) ±0.5% (typ)
Load regulation (10% to 100%) ±1% (typ)
Ripple & Noise (p-p) 20MHz Bandwidth:
50mV (typ), 100mV (max)
Short circuit protection Continuous, self-recovery
Temperature Drift Coecient ±0.02%/°C (typ)
Stand-by Power Consumption 0.3W (typ)
Over-current Protection ≥110% Io self-recovery
Over-voltage Protection • 3.3/5VDC output: ≤7.5VDC
• 9VDC output: ≤12VDC
• 12/15VDC output: ≤20VDC
• 24VDC output: ≤30VDC
Min. load 1% (min)
Power-o Holding Time 230VAC input: 50ms
* Parallel line test method is adopted to test the ripple and noise, please see
AC-DC Converter Application Notes for specic operation methods.
Input specications
Input voltage range 85~264VAC, 100~370VDC
Input frequency 47~63Hz
Input current 110VAC
• 65mA (typ)
230VAC
• 30mA (typ)
Inrush current 110VAC
• 10A (typ)
230VAC
• 20A (typ)
Leakage current 0.1mA RMS typ. 230VAC/50Hz
Recommended External
Input Fuse
• 1A/250V • Slow-fusing
Hot plug Unavailable
Example:
3ACA_05S3R
3 = 3Watt; AC = AC-DC; A = case style; 5Vout; S = single output;
3 = 3kVAC; R = revised model
Note:
1. Unless otherwise specied, data in this datasheet should be tested under the
conditions of Ta = 25°C, humidity<75% when inputting nominal voltage and
outputting rated load;
3. All index testing methods in this datasheet are based on our Company’s
corporate standards;
4. The performance indexes of the product models listed in this manual are as
above, but some indexes of non-standard model products will exceed the
above-mentioned requirements, and please directly contact our technician
for specic information;
5. We can provide product customization service;
6. The product specication may be changed at any time without prior notice.
Approval Model Package Power
[W]
Output
[Vo]
Output
[lo]
Ripple and Noise
[mV, typ]
Eciency
[%, typ]
Capacitive load
[µF, max]
UL/CE 3ACA_03S3R 37 x 24.50 x 18 mm 2.3 3.3V 700mA 50 66 6000
UL/CE 3ACA_05S3R 37 x 24.50 x 18 mm 3 5V 600mA 50 74 6000
UL/CE 3ACA_09S3R 37 x 24.50 x 18 mm 3 9V 330mA 50 75 1500
UL/CE 3ACA_12S3R 37 x 24.50 x 18 mm 3 12V 250mA 50 77 1500
UL/CE 3ACA_15S3R 37 x 24.50 x 18 mm 3 15V 200mA 50 77 1000
UL/CE 3ACA_24S3R 37 x 24.50 x 18 mm 3 24V 125mA 50 78 330