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PSAFC20-24S

更新时间： 2024-10-03 18:04:47
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The PSAFC20 series of AC/DC switching power supplies provides up to 20 Watts of output power in a

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PSAFC20 SERIES  
Up to 20 Watts  
AC/DC Switching Power Supplies  
Single Output  
Rev D  
FEATURES  
• Isolation Class II  
• Low Standby < 0.5W  
• Up to 20 Watts Output Power  
• Regulated Single Outputs  
• Low Ripple & Noise  
• PCB Mountable Switching Power Supply  
• Universal Input Range: 90-264VAC (120-370VDC)  
• Short Circuit, Over Power, & Over Voltage Protection  
• UL/cUL, CE, and CB Safety Approvals  
• MTBF > 400,000 Hours  
• Fully Encapsulated Plastic Case  
• Two Screw Terminal Mechanical Options Available  
DESCRIPTION  
The PSAFC20 series of AC/DC switching power supplies provides up to 20 Watts of output  
power in a 2.07” x 1.08” x 0.93” encapsulated PCB mountable package. This series consists of  
single output models with a universal input range of 90-264VAC (120-370VDC). Some features  
include low ripple and noise, -40°C to +70°C operating temperature range, and over power, over  
voltage, and short circuit protection. The PSAFC20 series also has two types of screw terminal  
mechanical options available. All models have UL/cUL, CB, and CE safety approvals.  
Size:  
Weight:  
2.08oz (59g)  
2.07 x 1.08 x 0.93 inches  
52.5 x 27.5 x 23.5 mm  
MODEL SELECTION TABLE  
Output Current  
Min Load Max Load  
Ripple & Noise (1)  
Output  
Output  
Power  
Maximum  
Capacitive Load  
Model Number Input Voltage  
PSAFC20-3.3S  
Efficiency  
Voltage  
3.3 VDC  
5 VDC  
12 VDC  
15 VDC  
24 VDC  
Ripple  
Noise  
0%  
0%  
0%  
0%  
0%  
3600mA  
3600mA  
1660mA  
1330mA  
833mA  
75mVp-p 120mVp-p 11.88W  
75mVp-p 120mVp-p  
74%  
78%  
82%  
83%  
83%  
4500µF  
3500μF  
470μF  
330μF  
47μF  
PSAFC20-5S  
PSAFC20-12S  
PSAFC20-15S  
PSAFC20-24S  
18W  
20W  
20W  
20W  
90~264 VAC  
(120~370  
VDC)  
1% Vout  
1% Vout  
1% Vout  
1% Vout  
1% Vout  
1% Vout  
SPECIFICATIONS: PSAFC20 SERIES  
All specifications are based on 25°C After Warm-Up Time, Normal Input Voltage, and Full Load unless otherwise noted.  
We reserve the right to change specifications based on technological advances.  
SPECIFICATION  
TEST CONDITIONS  
Min  
Typ  
Max  
Unit  
INPUT SPECIFICATIONS  
AC input voltage range  
DC input voltage range  
90  
120  
47  
264  
370  
440  
385  
250  
20  
VAC  
VDC  
Hz  
Input Voltage  
Input Frequency  
Input Current  
At 115VAC and full load  
At 230VAC and full load  
At 115VAC, <2 ms, cold start  
At 230VAC, <2ms, cold start  
mA  
Inrush Current  
A
40  
External Fuse (required)  
OUTPUT SPECIFICATIONS  
Output Voltage  
Voltage Accuracy  
Line Regulation  
2A slow blow type  
See Table  
+2  
-2  
-0.5  
-1  
%
%
%
Low line to high line  
5% - 100% load  
+0.5  
+1  
Load Regulation  
Output Power  
Output Current  
See Table  
See Table  
Minimum Load  
0
%
Ripple & Noise  
Maximum Capacitive Load  
See Table  
See Table  
12  
At 115VAC  
At 230VAC  
Hold-Up Time  
ms  
56  
Temperature Coefficient  
PROTECTION  
-0.02  
+0.02  
%/°C  
Short Circuit Protection  
Over Voltage Protection  
Over Power Protection  
Hiccup mode, indefinite  
Hiccup technique  
Auto-recovery  
Zener diode clamp  
Auto-recovery  
Wall Industries, Inc. • Tel: 603-778-2300 • Toll Free: 888-597-9255 •  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
9/23/2019  
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