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3D Model
date
06/30/2023
page
1 of 8
SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
ED
FEATURES
MODEL
output
voltage
PSK-S20C-3
3.3
PSK-S20C-5
5
PSK-S20C-93,4,5
9
12
output
power
ripple
and noise1
HϒFLHQF\2
max
(A)
max
(W)
max
(mVp-p)
W\S
(%)
0
3.60
11.8
120
74
0
3.60
18
120
78
0
2.20
20
120
79
min
(A)
0
1.66
20
120
82
15
0
1.33
20
120
83
24
0
0.833
20
120
83
N
PSK-S20C-12
output
current
TI
(Vdc)
N
U
XQLYHUVDOLQSXWa9DF
a&RSHUDWLQJUDQJH
RYHUYROWDJHFXUUHQWSURWHFWLRQ
9DFLQSXWRXWSXWLVRODWLRQYROWDJH
ERDUGFKDVVLV',15DLOFRQILJXUDWLRQV
&,635(1&ODVV%
8/(1,(&FHUWLILHG
PSK-S20C-15
PSK-S20C-24
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. Discontinued model - board mount.
4. Discontinued model - chassis mount.
5. Discontinued model - DIN-rail mount.
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O
Notes:
PSK-S20C - XX - X
%DVH1XPEHU
2XWSXW9ROWDJH
D
IS
C
PART NUMBER KEY
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³EODQN´ ERDUGPRXQW
7 FKDVVLVPRXQW
',1 ',1UDLOPRXQW
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 2 of 8
INPUT
parameter
conditions/description
min
W\S
85
100
frequency
47
current
at 115 Vac
at 230 Vac
inrush current
at 115 Vac
at 230 Vac
FDSDFLWLYHORDG
initial set point accuracy
3.3 Vdc output models
all other models
OLQHUHJXODWLRQ
at full load
ORDGUHJXODWLRQ
IURPaORDG
hold-up time
at 115 Vac, full load
at 230 Vac, full load
5
44
N
PROTECTIONS
conditions/description
min
W\S
63
Hz
440
260
mA
mA
RYHUFXUUHQWSURWHFWLRQ
DXWRUHFRYHU\
short circuit protection
KLFFXSFRQWLQXRXVDXWRUHFRYHU\
A
A
0.5
W
max
units
10,000
6,600
4,400
3,000
2,000
800
µF
µF
µF
µF
µF
µF
±3
±2
±0.5
±1
10
55
ms
ms
100
kHz
±0.02
&
W\S
RXWSXWYROWDJHFODPS
3.3, 5 Vdc output models
9 Vdc output models
12, 15 Vdc output models
24 Vdc output models
C
RYHUYROWDJHSURWHFWLRQ
O
parameter
min
N
conditions/description
3.3 Vdc output models
5 Vdc output models
9 Vdc output models
12 Vdc output models
15 Vdc output models
24 Vdc output models
TI
parameter
U
OUTPUT
WHPSHUDWXUHFRHϒFLHQW
Vac
Vdc
12
36
no load power consumption
VZLWFKLQJIUHTXHQF\
units
264
370
ED
YROWDJH
max
max
units
7.5
15
20
30
Vdc
Vdc
Vdc
Vdc
110
IS
SAFETY & COMPLIANCE
parameter
conditions/description
min
input to output for 1 minute, 5 mA
8/(1,(&
safety class
Class II
conducted emissions
&,635(1&ODVV%
radiated emissions
&,635(1&ODVV%
(6'
,(&(1FRQWDFWN9DLUN9&ODVV%
radiated immunity
,(&(19P&ODVV$
D
LVRODWLRQYROWDJH
VDIHW\DSSURYDOV
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4,000
W\S
max
units
Vac
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 3 of 8
SAFETY & COMPLIANCE (CONTINUED)
parameter
conditions/description
()7EXUVW
,(&(1N9&ODVV%
min
VXUJH
,(&(1OLQHWROLQHN9OLQHWRJURXQGN9&ODVV%
H[WHUQDOFLUFXLWUHTXLUHGVHH)LJXUH
conducted immunity
,(&(19UPV&ODVV$
YROWDJHGLSV LQWHUUXSWLRQV
,(&(1&ODVV%
07%)
DVSHU0,/+'%.)DW&
5R+6
300,000
units
yes
hours
7KHSRZHUVXSSO\LVFRQVLGHUHGDFRPSRQHQWZKLFKZLOOEHLQVWDOOHGLQWR¿QDOHTXLSPHQW7KH¿QDOHTXLSPHQWVWLOOPXVWEHWHVWHGWRPHHWWKHQHFHVVDU\(0&GLUHFWLYHV
U
1RWHV
max
ED
,(&(1OLQHWROLQHN9&ODVV%
W\S
ENVIRONMENTAL
conditions/description
RSHUDWLQJWHPSHUDWXUH
VHHGHUDWLQJFXUYHV
min
W\S
-40
N
parameter
VWRUDJHWHPSHUDWXUH
-40
VWRUDJHKXPLGLW\
QRQFRQGHQVLQJ
TI
SOLDERABILITY5
max
units
70
&
85
&
95
parameter
conditions/description
min
W\S
max
units
KDQGVROGHULQJ
IRUaVHFRQGV
350
360
370
&
ZDYHVROGHULQJ
IRUaVHFRQGV
255
260
265
&
5. For board mount models only
N
Notes:
Peak Temp. 260°C Max.
O
250
Wave Soldering Time
4 Sec. Max.
10 Sec. Max.
150
C
Temperature (°C)
200
100
0
Time (sec.)
D
IS
50
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 4 of 8
C
O
N
TI
N
U
ED
DERATING CURVES
D
IS
EFFICIENCY CURVES
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 5 of 8
MECHANICAL
conditions/description
dimensions
board mount: 53.80 x 28.80 x 23.50 (2.118 x 1.134 x 0.925 inch)
chassis mount: 76.00 x 31.50 x 32.30 (2.992 x 1.24 x 1.272 inch)
',15DLOPRXQW[[[[LQFK
min
case material
EODFNÀDPHUHWDUGDQWDQGKHDWUHVLVWDQWSODVWLF8/9
ZHLJKW
board mount
chassis mount
',15DLOPRXQW
N
2
AC (L)
3
-Vo
4
+Vo
N
AC (N)
O
5HFRPPHQGHG3&%/D\RXW
7RS9LHZ
MECHANICAL DRAWING (CHASSIS MOUNT)
C
units: mm[inch]
tolerance: ±1.00[±0.039]
IS
ZLUHUDQJHa$:*
WLJKWHQLQJWRUTXHPD[1
P
3,1&211(&7,216
PIN
Function
1
AC (N)
2
AC (L)
-Vo
4
+Vo
D
3
mm
mm
mm
TI
3,1&211(&7,216
Function
units
U
units: mm[inch]
tolerance: ±0.50[±0.020]
pin diameter tolerance: ±0.10[±0.004]
1
max
60
80
100
MECHANICAL DRAWING (BOARD MOUNT)
PIN
W\S
ED
parameter
Front View
cui.com
J
J
J
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 6 of 8
MECHANICAL DRAWING (DIN-RAIL MOUNT)
units: mm [inch]
tolerance: ±1.00[±0.039]
ED
LQVWDOOHGRQ',15DLO76
ZLUHUDQJHa$:*
WLJKWHQLQJWRUTXHPD[1
P
Function
1
AC (N)
2
AC (L)
3
-Vo
4
+Vo
D
IS
C
O
N
TI
N
PIN
U
3,1&211(&7,216
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 7 of 8
APPLICATION CIRCUIT
ED
Figure 1
Table 1
U
Table 2
5HFRPPHQGHG([WHUQDO&LUFXLW&RPSRQHQWV
Vo
(Vdc)
)86(
MOV
C1
C26
796
Vo
(Vdc)
C26
$9
S20K300
Nj)9
Nj)9
60%-$
3.3
Nj)9VROLGFDSDFLWRU
5
$9
S20K300
Nj)9
Nj)9
60%-$
5
Nj)9VROLGFDSDFLWRU
9
$9
S20K300
Nj)9
Nj)9
60%-$
9
Nj)9VROLGFDSDFLWRU
N
3.3
$9
S20K300
Nj)9
Nj)9
60%-$
12
Nj)9
$9
S20K300
Nj)9
Nj)9
60%-$
15
Nj)9
24
$9
S20K300
Nj)9
Nj)9
60%-$
24
Nj)9
1RWHV
TI
12
15
:KHQRXWSXWWHUPLQDOLVFRQQHFWHGWRDKLJKIUHTXHQF\VZLWFKW\SHORDGXVH7DEOHIRU&YDOXHV
N
EMC RECOMMENDED CIRCUIT
Table 3
5HFRPPHQGHG([WHUQDO&LUFXLW&RPSRQHQWV
)86(
$9VORZIXVLQJ
MOV1
S20K300
MOV2, MOV3
S10K300
*'7
(0;6
LDM
4.7 µH
D
IS
C
O
Figure 2
LCM
2 mH
&;
Nj)9DF
CY1, CY2
Q)9DF
5
0ƻ:
1RWH
$OVRUHIHUWR7DEOH
1RWHV
&LVDFHUDPLFFDSDFLWRUXVHGWR¿OWHUKLJKIUHTXHQF\QRLVH
&LVDQHOHFWURO\WLFFDSDFLWRUDQGLWLVUHFRPPHQGHGWREHKLJKIUHTXHQF\DQGORZLPSHGDQFH)RUFDSDFLWDQFHDQGFXUUHQWRIFDSDFLWRUUHIHUWRWKHGDWDVKHHWSURYLGHGE\WKH
PDQXIDFWXUHU9ROWDJHGHUDWLQJRIFDSDFLWRUVKRXOGEHDWOHDVW
796LVDUHFRPPHQGHGFRPSRQHQWWRSURWHFWSRVWFLUFXLWVLIFRQYHUWHUIDLOV
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3D Model
CUI Inc Ϳ SERIES: PSK-S20C Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 06/30/2023 Ϳ page 8 of 8
REVISION HISTORY
description
date
1.0
initial release
1.01
FRPSDQ\ORJRXSGDWHG
1.02
FXUYHVDQGFLUFXLWGUDZLQJVXSGDWHG
1.03
UKCA mark added
1.04
GLVFRQWLQXHGPRGHO36.6& 36.6&7
1.05
discontinued model PSK-S20C-9-DIN
ED
rev.
D
IS
C
O
N
TI
N
U
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Headquarters
6:WK$YH
7XDODWLQ25
800.275.4899
Fax 503.612.2383
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techsupport@cui.com
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DVVXPHGE\&8,IRULWVXVHQRUIRUDQ\LQIULQJHPHQWVRISDWHQWVRURWKHUULJKWVRIWKLUGSDUWLHVZKLFKPD\UHVXOWIURPLWVXVH
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