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SNA_1A_3A
Model
Rated
Voltage
[V]
Rated
Current
[A]
SNA-01-223 ±50 (+Vin . - COM-in, -Vi n -
COM-in) 1
SNA-03-223 ±50 (+Vin . - COM-in, -Vi n -
COM-in) 3
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 Appro vals
UL60950-1
EN60950-1
C-UL (CSA60950-1)
I-16
Noise
Filter
SNA series (1A,3A)
Ripple noise attenuation type for switch mode power supplies(DC)
SNA -03 -223 -O
Ordering information
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
1 2 3 4
Features of SNA series (1A and 3A)
Circuit Diagram Derating Curve
50 60 70 80-20 -10 0 40-40 -30 71
20
0
100
80
60
40
Ambient Temperature [C]
Load Factor [%]
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)
*
The dimensions change when the option is set.
Refer to External view.
¡Expected life : 10 years
Specifications
No. Items SNA-01-223 SNA-03-223
Interfare:Connector
1 Rated Voltage DC[V] t50 (+Vin - COM-in, -Vin - COM-in)
2 Rated Current DC[A] 13
3 Test Voltage (Terminal-Mounting Plate) 500 VAC (Cutoff Current = 100mA), 1minute at room temperature and humidity
4 Isolation Resistance (Terminal-Mounting Plate) 500 VDC 50MW minute at room temperature and humidity
5D.C Resistance[mW]190 max 90 max
6 Operating temperature -40 to +71C (Refer to Derating Curve)
7 Operating humidity 20 to 95%RH (Non condensing)
8 Storage temperature/humidity -40 to +75C/20 to 95%RH (Non condensing)
9 Vibration 10 to 55Hz, 19.6m/s2(2G), 3min. Period, 1hour each X, Y and Z axis
10 Impact 196.1m/s2(20G), 11ms Once each X, Y and Z axis
11 Safety agency approvals UL60950-1, C-UL (CSA60950-1), EN60950-1
12 Case size (without projection) /Mass 52X35X93 mm (WXHXD) /130g max (Option : -D refer to external view)
IN OUT
CY
COM-out
+Vin +Vout
-Vout
COM-in
-Vin
Co
Co
+
+
CY
: Mounting PlateCY : Line to ground capacitor Co : Electrolytic capacitor
DIN rail installation type is option
I-17
Noise
Filter
SNA series (1A,3A)
External view
Mounting Hole
Mounting Plate
Name Plate
¶ Tolerance : ±1
Option harness : Refer to Instruction Manual 4
¶ Mass : 130g or less
¶ PCB Material /thickness : CEM3 /1.6mm
¶ 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
1
4
1
4
1
4
2-f4.5
CN3
CN4
CN1
CN2
1
4
Pin No. Function Function
Pin No.
Function
Pin No.
-Vout
COM-out
CN3
+Vout
COM-out
3,4
1,2
CN4
3,4
1,2
CN1
+Vin
COM-in
3,4
1,2 Function
Pin No.
CN2
-Vin
COM-in
3,4
1,2
(Mfr:J.S.T)
Terminal
Mating connector
I/O Connector
CN1~CN4
B4B-XH-AM XHP-4 Bulk:BXH-001T-P0.6
Reel:SXH-001T-P0.6
35
93
52
40 ±0.5
82 ±0.5
¶ Tolerance : ±1
¶ Mass : 140g or less
¶ PCB Material /thickness : CEM3 /1.6mm
¶ 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
Option harness : Refer to Instruction Manual 4
Mounting Plate
M4
FG
Name Plate
OUT
1
4
1
4
1
4
CN3
CN4
CN1
CN2
1
4
(9)
87.5
52
35
8
10
Pin No. Function Function
Pin No.
Function
Pin No.
-Vout
COM-out
CN3
+Vout
COM-out
3,4
1,2
CN4
3,4
1,2
CN1
+Vin
COM-in
3,4
1,2 Function
Pin No.
CN2
-Vin
COM-in
3,4
1,2
Terminal
Mating connector
I/O Connector
CN1~CN4 B4B-XH-AM XHP-4
(Mfr:J.S.T)
Bulk:BXH-001T-P0.6
Reel:SXH-001T-P0.6
IN
84
Standard Type
DIN rail installation Type
¡Note when installing the noise
fi lter on a DIN rail.
When the noise fi lter is grounded through the
DIN rail, the proper noise attenuation may not be
achieved.
Be sure to connect the FG terminal of the noise
fi lter body to the earth.
Name Plate
IN
OUT
1
4
1
4
1
4
CN3
CN4
CN1
CN2
1
4
DIN rail
