s
FEATURES
q
Ultra high sensitivity
q
High reliability-bifurcated contacts
q
Conforms to FCC rules and regulations Part 68
--Dielectric strength 1,500 VAC between coil and contacts
--Surge strength 1,500 V
q
UL, CSA recognized
q
Wide operating range
q
DIL pitch terminals
q
Plastic sealed type
q
Latching type available
(a)
Series Name
RA4 : RA4 Series
(b)
Operation Function
Nil : Standard type
L
: Latching type
(c)
Number of Coil
Nil : Single winding type
D : Double winding type
(d)
Nominal Voltage
Refer to the COIL DATA CHART
(e)
Contact
W
: Bifurcated type
( f )
Enclosure
K
: Plastic sealed type
Note: For movable and stationary contact with gold overlay type, add suffix ""-OH"".
s
SAFETY STANDARD AND FILE NUMBERS
UL478, 508 (File No. E45026)
C22.2 No. 14 (File No. LR35579)
Please request when the approval markings are required on the cover.
s
ORDERING INFORMATION
RA4
L
D
12 W
K
[Example]
(a)
(b)
(c)
(d) (e)
(f )
RA4 SERIES
MINIATURE RELAY
4 POLES--1 to 2 A
(FOR SIGNAL SWITCHING)
Nominal voltage
Contact rating
0.5 A
120 VAC
1.5 to 48 VDC
2 A 30 VDC
resistive
0.5 A 60 VDC
1
2
RA4 SERIES
s
SPECIFICATIONS
Standard Type
Single Winding Latching Type Double Winding Latching Type
Item
RA4-( ) W-K
RA4L-( ) W-K
RA4L-D ( ) W-K
Contact
Arrangement
4 form C (4PDT)
Material
Gold overlay silver alloy / silver alloy
Style
Bifurcated
Resistance (initial)
Maximum 100 m
(at 1 A 6 VDC)
Rating (resistive)
0.5 A 120 VAC or 1 A 24 VDC
Maximum Carrying Current
2 A
Maximum Switching Power
60 VA, 24 W
Maximum Switching Voltage
250 VAC, 220 VDC
Maximum Switching Current
2 A
Minimum Switching Load*
1
0.01 mA 10 mVDC
Capacitance
Approximately 1.4 pF (between open contacts), 1.3 pF (adjacent contacts)
(10 MHz)
Approximately 2.4 pF (between coil and contacts)
Coil
Nominal Power (at 20
C)
0.2 W 0.09 W 0.18 W
Operate Power (at 20
C)
0.1 W 0.045 W 0.09 W
Operating Temperature
40
C to +80
C (no frost) (refer to the CHARATERISTIC DATA)
Time Value
Operate (at nominal voltage)
Maximum 6 ms Maximum 6 ms (set)
Release (at nominal voltage)
Maximum 4 ms Maximum 6 ms (reset)
Insulation
Resistance (at 500 VDC)
Minimum 1,000 M
between open contacts
1,000 VAC 1 minute
Dielectric
between adjacent contacts
1,500 VAC 1 minute
Strength
between coil and contacts
1,500 VAC 1 minute
Surge Strength
1,500 V
Life
Mechanical
2
10
7
operations minimum
Electrical
2
10
5
ops. min. (0.5 A 120 VAC), 5
10
5
ops. min. (1 A 24 VDC)
Other
Vibration Misoperation
10 to 55 Hz (double amplitude of 3.3 mm)
Resistance Endurance
10 to 55 Hz (double amplitude of 5.0 mm)
Shock Misoperation
300 m/s
2
(11
1 ms)
Resistance Endurance
1,000 m/s
2
( 6
1 ms)
Weight
Approximately 6.4 g
*
1
Minimum switching loads mentioned above are reference values. Please perform the confirmation test with the actual
load before production since reference values may vary according to switching frequencies, environmental conditions
and expected reliability levels.
3
RA4 SERIES
Nominal
Coil resistance
Must operate
Must release
Nominal
MODEL
voltage
(
10%)
voltage*
1
voltage*
1
power
RA4-1.5 W-K
1.5 VDC
11
+1.0 VDC
+0.15 VDC
200 mW
RA4- 3 W-K
3 VDC
45
+2.1 VDC
+0.3 VDC
200 mW
RA4-4.5 W-K
4.5 VDC
100
+3.1 VDC
+0.45 VDC
200 mW
RA4- 5 W-K
5 VDC
125
+3.5 VDC
+0.5 VDC
200 mW
RA4- 6 W-K
6 VDC
180
+4.2 VDC
+0.6 VDC
200 mW
RA4- 9 W-K
9 VDC
405
+6.3 VDC
+0.9 VDC
200 mW
RA4- 12 W-K
12 VDC
720
+8.4 VDC
+1.2 VDC
200 mW
RA4- 18 W-K
18 VDC
1,620
+12.6 VDC
+1.8 VDC
200 mW
RA4- 24 W-K
24 VDC
2,880
+16.8 VDC
+2.4 VDC
200 mW
RA4- 48 W-K
48 VDC
11,520
+33.6 VDC
+4.8 VDC
200 mW
s
COIL DATA CHART
Standard T
ype
Note: *
1
Specified values are subject to pulse wave voltage.
All values in the table are measured at 20
C.
4
RA4 SERIES
Nominal
Coil resistance
Set
Reset
Nominal
MODEL
voltage
(
10%)
voltage*
1
voltage*
1
power
RA4L-1.5 W-K
1.5 VDC
25
+1.0 VDC
1.0 VDC
90 mW
RA4L- 3 W-K
3 VDC
100
+2.1 VDC
2.1 VDC
90 mW
RA4L-4.5 W-K
4.5 VDC
225
+3.1 VDC
3.1 VDC
90 mW
RA4L- 5 W-K
5 VDC
278
+3.5 VDC
3.5 VDC
90 mW
RA4L- 6 W-K
6 VDC
400
+4.2 VDC
4.2 VDC
90 mW
RA4L- 9 W-K
9 VDC
900
+6.3 VDC
6.3 VDC
90 mW
RA4L- 12 W-K
12 VDC
1,600
+8.4 VDC
8.4 VDC
90 mW
RA4L- 18 W-K
18 VDC
3,600
+12.6 VDC
12.6 VDC
90 mW
RA4L- 24 W-K
24 VDC
6,400
+16.8 VDC
16.8 VDC
90 mW
RA4L- 48 W-K
48 VDC
25,600
+33.6 VDC
33.6 VDC
90 mW
RA4L-D1.5 W-K
1.5 VDC
P 12.5
+1.0 VDC
180 mW
S 12.5
+1.0 VDC
RA4L-D 3 W-K
3 VDC
P 50
+2.1 VDC
180 mW
S 50
+2.1 VDC
RA4L-D4.5 W-K
4.5 VDC
P 113
+3.1 VDC
180 mW
S 113
+3.1 VDC
RA4L-D 5 W-K
5 VDC
P 139
+3.5 VDC
180 mW
S 139
+3.5 VDC
RA4L-D 6 W-K
6 VDC
P 200
+4.2 VDC
180 mW
S 200
+4.2 VDC
RA4L-D 9 W-K
9 VDC
P 450
+6.3 VDC
180 mW
S 450
+6.3 VDC
RA4L-D 12 W-K
12 VDC
P 800
+8.4 VDC
180 mW
S 800
+8.4 VDC
RA4L-D 18 W-K
18 VDC
P 1,800
+12.6 VDC
180 mW
S 1,800
+12.6 VDC
RA4L-D 24 W-K
24 VDC
P 3,200
+16.8 VDC
180 mW
S 3,200
+16.8 VDC
RA4L-D 48 W-K
48 VDC
P 12,800
+33.6 VDC
180 mW
S 12,800
+33.6 VDC
Single W
inding Latching
T
ype
Double Winding Latching
T
ype
P: Primary coil S: Secondary coil
Note: *
1
Specified values are subject to pulse wave voltage.
All values in the table are measured at 20
C.
5
RA4 SERIES
s
CHARACTERISTIC DATA
s
REFERENCE DATA
6
RA4 SERIES
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DIMENSIONS
q
Dimensions
q
Schematics
(Bottom View)
q
PC board mounting
hole layout
(Bottom view)
RA4, RA4L type (Non-latching type, single winding latching type)
RA4L-D type (Double winding latching type)
Unit: mm
7
RA4 SERIES
2003 Fujitsu Components America, Inc. All company and product names are trademarks or registered trademarks
of their respective owners. Rev. 02/12/2003
Japan
Fujitsu Component Limited
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Tel: (81-3) 5449-7010
Fax: (81-3) 5449-2626
Email: promothq@ft.ed.fujitsu.com
Web: www.fcl.fujitsu.com
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250 E. Caribbean Drive
Sunnyvale, CA 94089 U.S.A.
Tel: (1-408) 745-4900
Fax: (1-408) 745-4970
Email: marcom@fcai.fujitsu.com
Web: www.fcai.fujitsu.com
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Fujitsu Components Europe B.V.
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2132 WV Hoofddorp
Netherlands
Tel: (31-23) 5560910
Fax: (31-23) 5560950
Email: info@fceu.fujitsu.com
Web: www.fceu.fujitsu.com
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#04-01 Citilink Warehouse Complex
Singapore 118529
Tel: (65) 6375-8560
Fax: (65) 6273-3021
Email: fcal@fcal.fujitsu.com
www.fcal.fujitsu.com
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International
Headquarter
Offices
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