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SNA_1A_3A
Features
DIN rail installation (option)
Best filter for switch mode power supplies of analog circuits (ex.
power supply filter for an operational amplifier)
Terminal block type (SNA-6A Option)
±50 VDC
RoHS Compliant
Safety Agency Approvals
UL60950-1
EN60950-1
C-UL (CSA60950-1)
Model
SNA-01-223
SNA-03-223
Rated
Voltage
[V]
±50 (+Vin. - COM-in, -Vin -
COM-in)
±50 (+Vin. - COM-in, -Vin -
COM-in)
Rated
Current
[A]
1
3
SNA series
(1A,3A)
Ripple noise attenuation type for switch mode power supplies(DC)
Ordering information
SNA -03 -223
1
2
3
4
-O
1Model
Name
2Rated
Current
3Line
to ground capacitor code:See table 1.1.
table1.1 Line to ground capacitor code
Code Line to ground capacitor (nominal value)
000
Not Provided
223
22000pF
4Options
D :DIN rail installation type
*
The dimensions change when the option is set.
Refer to External view.
DIN rail installation type is option
Features of SNA series (1A and 3A)
Ripple noise attenuation type for switch mode power supplies(DC)
-t50
VDC
-Best
filter for switch mode power supplies of
analog circuits
(ex. power supply filter for an operational amplifier)
Specifications
No.
1
2
3
4
5
6
7
8
9
10
11
12
Items
Rated Voltage DC[V]
Rated Current DC[A]
Test Voltage (Terminal-Mounting Plate)
Isolation Resistance (Terminal-Mounting Plate)
D.C Resistance[m
W
]
Operating temperature
Operating humidity
Storage temperature/humidity
Vibration
Impact
Safety agency approvals
Case size (without projection) /Mass
SNA-01-223
t50
(+Vin - COM-in, -Vin - COM-in)
1
3
500 VAC (Cutoff Current = 100mA), 1minute at room temperature and humidity
500 VDC 50MW minute at room temperature and humidity
190 max
-40 to +71C (Refer to Derating Curve)
20 to 95%RH (Non condensing)
-40 to +75C/20 to 95%RH (Non condensing)
10 to 55Hz, 19.6m/s
2
(2G), 3min. Period, 1hour each X, Y and Z axis
196.1m/s
2
(20G), 11ms Once each X, Y and Z axis
UL60950-1, C-UL (CSA60950-1), EN60950-1
52X35X93 mm (WXHXD) /130g max (Option : -D refer to external view)
90 max
SNA-03-223
Interfare:Connector
Circuit Diagram
CY
+Vin
+Vout
+
COM-in
+
Co
-Vin
CY
-Vout
Co
Derating Curve
100
Load Factor [%]
80
60
40
20
0
-40
: Mounting Plate
-30
-20
-10
0
40
50
60
70 71 80
IN
OUT
COM-out
Noise
Filter
CY : Line to ground capacitor Co : Electrolytic capacitor
Ambient Temperature [C]
¡Expected
life : 10 years
I-16
SNA series (1A,3A)
External view
Standard Type
2-f4.5
Mounting Hole
CN1
Pin No.
1,2
CN1
CN3
4
4
Function
COM-in
+Vin
Function
-Vin
COM-in
CN3
Pin No.
1,2
3,4
CN4
Pin No.
1,2
3,4
Mating connector
XHP-4
Function
COM-out
+Vout
Function
-Vout
COM-out
Terminal
3,4
CN2
Pin No.
1,2
3,4
40
±
0.5
Name Plate
1
4
1
CN2
1
4
1
CN4
52
I/O Connector
CN1~CN4 B4B-XH-AM
82
±
0.5
Mounting Plate
93
Reel:SXH-001T-P0.6
Bulk:BXH-001T-P0.6
(Mfr:J.S.T)
Option harness : Refer to Instruction Manual 4
¶
Tolerance :
±1
¶
Mass : 130g or less
¶
PCB Material /thickness : CEM3 /1.6mm
35
¶
Mounting plate : Iron (surface finishing : nickel plating) t=1.0
¶
Case : PBT
¶
Dimensions in mm
¶
Keeping drawing current per pin below 2A for CN1 to CN4
DIN rail installation Type
CN1
Pin No.
1,2
3,4
CN2
Pin No.
1,2
3,4
52
Function
COM-in
+Vin
Function
-Vin
COM-in
CN3
Pin No.
1,2
3,4
CN4
Pin No.
1,2
3,4
Mating connector
XHP-4
Function
COM-out
+Vout
Function
-Vout
COM-out
CN1
4
1
4
1
CN2
Name Plate
CN3
4
1
4
1
CN4
10
OUT
IN
I/O Connector
CN1~CN4 B4B-XH-AM
Terminal
Reel:SXH-001T-P0.6
Bulk:BXH-001T-P0.6
(Mfr:J.S.T)
M4
FG
84
87.5
Mounting Plate
Option harness : Refer to Instruction Manual 4
¶
Tolerance :
±1
¶
Mass : 140g or less
¶
PCB Material /thickness : CEM3 /1.6mm
35
¶
Mounting plate : Iron (surface finishing : nickel plating) t=1.0
8
¶
Case : PBT
¶
Dimensions in mm
¶
Keeping drawing current per pin below 2A for CN1 to CN4
(9)
DIN rail
¡
Note when installing the noise
filter on a DIN rail.
When the noise filter is grounded through the
DIN rail, the proper noise attenuation may not be
achieved.
Be sure to connect the FG terminal of the noise
filter body to the earth.
IN
CN2
1
1
CN4
4
4
1
1
4
CN3
4
OUT
CN1
DIN rail
Name Plate
Noise
Filter
I-17
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