PSK-S3-9 [CUI]
AC-DC POWER SUPPLY;
CUI INC 
For more information, please visit the product page.
date 11/12/2018
page 1 of 8
SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
• universal input range (85 ~ 264 Vac)
• wide operating temperature range (-40 to +70 °C)
• 4K Vac minimum isolation voltage
• over-current, over-voltage, and short-circuit protection
• low-profile encapsulated package (18 mm / 0.709”)
• 85 mm (3.346”) leaded configuration available with
“-L” suffix
• chassis-mount configuration available with “-T” suffix
• DIN-rail configuration available with “-DIN” suffix
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-S3-3
PSK-S3-5
PSK-S3-9
PSK-S3-12
PSK-S3-15
PSK-S3-24
0
0
0
0
0
0
700
600
330
250
200
125
2.3
3
100
100
100
100
100
100
66
74
75
77
77
78
9
3
12
15
24
3
3
3
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-S3 - XX - X
Base Number
Output Voltage
Mounting Style:
“blank” = board mount
L = lead wires
T = chassis mount
DIN = DIN-rail mount
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CUI Inc │ SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 2 of 8
INPUT
parameter
conditions/description
min
typ
max
units
85
100
264
370
Vac
Vdc
voltage
frequency
current
47
63
Hz
at 115 Vac
at 230 Vac
80
45
mA
mA
at 115 Vac
at 230 Vac
10
20
A
A
inrush current
leakage current
at 230 Vac, 50 Hz
0.1
mA
OUTPUT
parameter
conditions/description
min
typ
max
units
3, 5 Vdc output models
9, 12 Vdc output models
15 Vdc output models
24 Vdc output models
6000
1500
1000
330
µF
µF
µF
µF
capacitive load
3.3 Vdc output models
all other models
±3
±2
%
%
initial set point accuracy
line regulation
load regulation
at full load
±0.5
±1
%
%
from 0~100% load
at 115 Vac
at 230 Vac
10
60
ms
ms
hold-up time
switching frequency
100
kHz
temperature coefficient
±0.02
%/°C
PROTECTIONS
parameter
conditions/description
min
typ
max
units
3, 5 Vdc output models
9 Vdc output models
12, 15 Vdc output models
24 Vdc output models
7.5
15
20
30
Vdc
Vdc
Vdc
Vdc
over voltage protection
over current protection
auto recovery
150
%
short circuit protection
continuous, auto recovery
SAFETY & COMPLIANCE
parameter
conditions/description
input to output for 1 minute
UL 62368-1, EN 62368-1, IEC 62368-1
Class II
min
typ
max
units
isolation voltage
4,000
Vac
safety approvals
safety class
CISPR32/EN55032, Class A
conducted emissions
radiated emissions
CISPR32/EN55032, Class B (external circuit required, see Figure 2)
CISPR32/EN55032, Class A
CISPR32/EN55032, Class B (external circuit required, see Figure 2)
IEC/EN61000-4-2, contact ±6 kV/ air ±8kV, Class B
IEC/EN61000-4-3, 10V/m, Class A
ESD
radiated immunity
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CUI Inc │ SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 3 of 8
(
)
SAFETY & COMPLIANCE CONTINUED
parameter
conditions/description
min
typ
max
units
IEC/EN61000-4-4, ±2 kV, Class B (external circuit required, see Figure 1)
IEC/EN61000-4-4, ±4 kV, Class B (external circuit required, see Figure 2)
EFT/burst
IEC/EN61000-4-5, line to line ±1 kV, Class B (external circuit required, see Figure 1)
surge
IEC/EN61000-4-5, line to line ±2 kV/line to ground ±4 kV, Class B
(external circuit required, see Figure 2)
conducted immunity
IEC/EN61000-4-6, 10 Vrms, Class A
IEC/EN61000-4-11 Class B, 0%-70%
voltage dips & interruptions
MTBF
RoHS
as per MIL-HDBK-217F at 25°C
300,000
hours
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
%
SOLDERABILITY5
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
Notes:
5. For board mount models only
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-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 4 of 8
DERATING CURVES
Load vs. Ambient Temperature
(at 85~264 Vac / 100~370 Vdc Input Voltage)
Load vs. Input Voltage
(at 25°C Ambient Temperature)
100
85
100
80
80
60
60
40
20
40
20
-40
-25
55
70
85
100
264 Vac
370 Vdc
Ambient Temperature (°C)
Input Voltage
EFFICIENCY CURVES
Efficiency vs. Input Voltage
Efficiency vs. Load Current
(at full load)
(at 230 Vac)
100
80
90
85
80
70
75
70
60
50
65
PSK-S3-5
PSK-S3-12
PSK-S3-24
—
—
—
PSK-S3-5
PSK-S3-12
PSK-S3-24
—
60
55
50
—
40
30
—
85
110
180
230
264
10
25
40
50
65
75
90
100
Input Voltage (Vac)
Load Current (%)
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CUI Inc │ SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 5 of 8
MECHANICAL
parameter
conditions/description
min
typ
max
units
board mount: 37.00 x 24.50 x 18.00 (1.457 x 0.965 x 0.709 inch)
lead wires: 37.00 x 24.50 x 18.00 (1.457 x 0.965 x 0.709 inch)
chassis mount: 76.00 x 31.50 x 26.80 (2.992 x 1.24 x 1.055 inch)
DIN-Rail mount: 76.00 x 31.50 x 31.40 (2.992 x 1.24 x 1.236 inch)
mm
mm
mm
mm
dimensions
case material
weight
black flame-retardant and heat-resistant plastic (UL94V-0)
board mount
lead wires
chassis mount
DIN-Rail mount
25
25
47
69
g
g
g
g
(
)
MECHANICAL DRAWING BOARD MOUNT
units: mm[inch]
tolerance: ±0.50[±0.020]
pin diameter tolerance: ±0.10[±0.004]
PIN CONNECTIONS
PIN
1
Function
AC (L)
AC (N)
NC
3
13
14
16
-Vo
+Vo
Recommended PCB Layout
Top View
(
)
MECHANICAL DRAWING LEAD WIRES
units: mm [inch]
tolerance: ±0.50[±0.020]
wire diameter tolerance: ±0.30[±0.012]
WIRE CONNECTIONS
PIN COLOR
WIRE TYPE
brown UL-1015 22 AWG AC (L)
blue UL-1015 22 AWG AC (N)
black UL-1430 22 AWG
red UL-1430 22 AWG
Function
1
3
14
16
-Vo
+Vo
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CUI Inc │ SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 6 of 8
MECHANICAL DRAWING (CHASSIS MOUNT)
units: mm[inch]
tolerance: ±0.50[±0.020]
wire range: 24~12 AWG
tightening torque: max 0.4 N*m
PIN CONNECTIONS
PIN
1
Function
AC (N)
AC (L)
-Vo
2
3
4
+Vo
(
)
MECHANICAL DRAWING DIN-RAIL MOUNT
units: mm [inch]
tolerance: ±1.00[±0.039]
installed on DIN Rail TS35
wire range: 24~12 AWG
tightening torque: max 0.4 N*m
PIN CONNECTIONS
PIN
1
Function
AC (N)
AC (L)
-Vo
2
3
4
+Vo
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CUI Inc │ SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 7 of 8
APPLICATION CIRCUIT
Figure 1
Table 1
Recommended External Circuit Components
Vo
(Vdc)
FUSE6
MOV6
C1
C2
TVS
3.3
5
1A/250V S14K350
1A/250V S14K350
1A/250V S14K350
1A/250V S14K350
1A/250V S14K350
1A/250V S14K350
1 μF
1 μF
1 μF
1 μF
1 μF
1 μF
150 μF
150 μF
120 μF
120 μF
120 μF
68 μF
SMBJ7.0A
SMBJ7.0A
SMBJ12A
SMBJ20A
SMBJ20A
SMBJ30A
9
12
15
24
Notes:
6. Chassis Mount and DIN-Rail Mount versions include the fuse and MOV components.
EMC RECOMMENDED CIRCUIT
Figure 2
Table 2
Recommended External Circuit Components
FUSE
2 A/250 V, slow fusing
S14K350
MOV
LCM
CX
10~30 mH
0.1 µF/275 Vac
330 µH/ 2 A
1 nF/400 Vac
33 Ω/3 W
L1
CY1/CY2
R0
Note:
Also refer to Table 1.
Notes:
7. C1 is a ceramic capacitor used to filter high frequency noise.
8. 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%.
9. TVS is a recommended component to protect post-circuits (if converter fails).
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CUI Inc │ SERIES: PSK-S3 │ DESCRIPTION: AC-DC POWER SUPPLY
date 11/12/2018 │ page 8 of 8
REVISION HISTORY
rev.
description
date
1.0
initial release
11/12/2018
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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