PSK-S2C-5 [CUI]
AC-DC POWER SUPPLY;
CUI INC 
For more information, please visit the product page.
date 03/07/2019
page 1 of 6
SERIES: PSK-S2C │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
• wide input range (85~305 Vac)
• -40~70°C operating range
• over current/short circuit protection
• 4,000 Vac input/output isolation voltage
• CISPR32/EN55032 Class B
• UL/EN/IEC 62368-1 certified
output
voltage
output
current
output
power
max
ripple
efficiency2
MODEL
and noise1
min
max
max
typ
(Vdc)
3.3
5
(mA)
(mA)
(W)
(mVp-p)
(%)
PSK-S2C-3
PSK-S2C-5
PSK-S2C-9
PSK-S2C-12
PSK-S2C-15
PSK-S2C-24
60
600
400
222
167
133
83
2
2
2
2
2
2
200
200
200
200
200
200
65
70
72
76
76
78
40
9
22.2
16.7
13.3
8.3
12
15
24
Notes:
1. At full load, nominal input, 20 MHz bandwidth oscilloscope, with 1 µF ceramic and 10 µF electrolytic capacitors on the output.
2. At 230 Vac input.
3. All specifications are measured at Ta=25°C, humidity <75%, nominal input voltage, and rated output load unless otherwise specified.
PART NUMBER KEY
PSK-S2C - XX
Base Number
Output Voltage
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CUI Inc │ SERIES: PSK-S2C │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/07/2019 │ page 2 of 6
INPUT
parameter
conditions/description
min
typ
max
units
85
120
305
430
Vac
Vdc
voltage
frequency
current
47
63
Hz
at 115 Vac
at 230 Vac
110
31
mA
mA
at 115 Vac
at 230 Vac
7
14
A
A
inrush current
leakage current
0.25
0.2
mA
W
no load power consumption
OUTPUT
parameter
conditions/description
min
typ
max
units
3.3, 5 Vdc output models
9, 12 Vdc output models
15 Vdc output models
24 Vdc output models
4,000
2,200
1,000
680
µF
µF
µF
µF
capacitive load
3.3 Vdc output models
all other models
±6
±5
%
%
initial set point accuracy
line regulation
at full load
±2
±5
%
%
load regulation
hold-up time
from 10~100% load
at 230 Vac
50
ms
temperature coefficient
±0.04
%/°C
PROTECTIONS
parameter
conditions/description
auto recovery
min
typ
typ
max
units
over current protection
short circuit protection
120
450
%
hiccup, continuous, auto recovery
SAFETY & COMPLIANCE
parameter
conditions/description
min
max
units
isolation voltage
safety approvals
safety class
input to output for 1 minute, 5 mA
UL 62368-1, EN 62368-1, IEC 62368-1
Class II
4,000
Vac
conducted emissions
radiated emissions
ESD
CISPR32/EN55032, Class B
CISPR32/EN55032, Class B
IEC/EN61000-4-2, contact ±6 kV/ air ±8 kV, Class B
IEC/EN61000-4-3, 10 V/m, Class A
radiated immunity
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CUI Inc │ SERIES: PSK-S2C │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/07/2019 │ page 3 of 6
(
)
SAFETY & COMPLIANCE CONTINUED
parameter
conditions/description
min
typ
max
units
EFT/burst
IEC/EN61000-4-4, ±2 kV, Class B (external circuit required, see Figure 2)
IEC/EN61000-4-5, line to line ±1 kV/ line to ground ±2 kV,
Class B (external circuit required, see Figure 2)
surge
conducted immunity
IEC/EN61000-4-6, 10 Vrms, Class A
IEC/EN61000-4-11 Class B, 0%-70%
voltage dips & interruptions
MTBF
as per MIL-HDBK-217F at 25°C
300,000
hours
RoHS
yes
Notes:
4. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directives.
ENVIRONMENTAL
parameter
conditions/description
min
-40
-40
typ
max
70
units
°C
operating temperature
storage temperature
storage humidity
see derating curves
105
95
°C
non-condensing
%
SOLDERABILITY
parameter
conditions/description
for 3~5 seconds
min
350
255
typ
360
260
max
370
265
units
°C
hand soldering
wave soldering
for 5~10 seconds
°C
Peak Temp. 260°C Max.
Wave Soldering Time
4 Sec. Max.
250
200
150
100
10 Sec. Max.
50
0
Time (sec.)
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CUI Inc │ SERIES: PSK-S2C │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/07/2019 │ page 4 of 6
DERATING CURVES
Load vs. Ambient Temperature
(at 85~305 Vac / 120~430 Vdc Input Voltage)
Load vs. Input Voltage
(at 25°C Ambient Temperature)
100
100
80
60
80
60
50
40
40
20
20
-40
-25
55
70
85
120
100
140
305 Vac
430 Vdc
Ambient Temperature (°C)
Input Voltage
MECHANICAL
parameter
dimensions
conditions/description
33.70 x 22.20 x 18.00 (1.327 x 0.874 x 0.709 inch)
black flame-retardant and heat-resistant plastic (UL94V-0)
min
typ
max
units
mm
case material
weight
20
g
MECHANICAL DRAWING
units: mm[inch]
tolerance: ±0.50[±0.020]
pin diameter tolerance: ±0.10[±0.004]
PIN CONNECTIONS
PIN
1
Function
AC (N)
AC (L)
+Vo
2
3
4
-Vo
Recommended PCB Layout
Top View
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CUI Inc │ SERIES: PSK-S2C │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/07/2019 │ page 5 of 6
APPLICATION CIRCUIT
Figure 1
Table 1
Recommended External Circuit Components
Vo
FUSE
MOV
NTC
CX
C1
C2
TVS
(Vdc)
3.3
5
1A/300V S14K350
1A/300V S14K350
1A/300V S14K350
1A/300V S14K350
1A/300V S14K350
1A/300V S14K350
10D-11
10D-11
10D-11
10D-11
10D-11
10D-11
0.47 μF/305 Vac
0.47 μF/305 Vac
0.47 μF/305 Vac
0.47 μF/305 Vac
0.47 μF/305 Vac
0.47 μF/305 Vac
1 μF
1 μF
1 μF
1 μF
1 μF
1 μF
330 μF
220 μF
100 μF
100 μF
100 μF
100 μF
SMBJ7.0A
SMBJ7.0A
SMBJ12A
SMBJ20A
SMBJ20A
SMBJ30A
9
12
15
24
EMC RECOMMENDED CIRCUIT
Figure 2
Table 2
Recommended External Circuit Components
FUSE
1 A/300 V, slow fusing
S14K350
MOV
LCM
CX
10 mH
0.47 μF/305 Vac
2.2 nF/400 Vac
47 Ω/3 W
CY1, CY2
R1
Note:
Also refer to Table 1.
Notes:
5. C1 is a ceramic capacitor used to filter high frequency noise.
6. C2 is an electrolytic capacitor and it is recommended to be high frequency and low impedance. For capacitance and current of capacitor, refer to the datasheet provided by the
manufacturer. Voltage derating of capacitor should be at least 80%.
7. TVS is a recommended component to protect post-circuits (if converter fails).
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CUI Inc │ SERIES: PSK-S2C │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/07/2019 │ page 6 of 6
REVISION HISTORY
rev.
description
date
1.0
initial release
03/07/2019
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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