MINIATURE RELAY
2 POLES—1 to 2 A
(FOR SIGNAL SWITCHING)
RA SERIES
n
FEATURES
l
l
l
RoHS compliant
l
l
l
l
l
l
l
Ultra high sensitivity (75 to 150 mW)
High reliability-bifurcated contacts
Conforms to FCC rules and regulations Part 68
—Dielectric strength 1,500 VAC between coil and contacts
—Surge strength 1,500 V
UL, CSA recognized
Wide operating range
DIL pitch terminals
Plastic sealed type
Latching type available
Dial-pulse relay available
RoHS compliant since date code: 0418H
Please see page 7 for more information
To
be
n
ORDERING INFORMATION
[Example]
(a)
(b)
(c)
(d)
(e)
(f )
RA
(a)
L – D 12 W –
(b) (*) (c) (d) (e)
Di
sc
K
(f )
Series Name
Operation Function
Number of Coil
Nominal Voltage
Contact
Enclosure
RA : RA Series
Nil : Standard type
L : Latching type
on
Nil : Single winding type
D : Double winding type
W : Bifurcated type
K : Plastic sealed type
Refer to the COIL DATA CHART
Ti
nu
Note: Actual marking omits the hyphen (-) of (*)
For movable and stationary contact with gold overlay type, add suffix ““-OH””.
eD
1
RA SERIES
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COIL DATA CHART
MODEL
RA-1.5 W-K
Standard Type
RA- 3 W-K
RA-4.5 W-K
RA- 5 W-K
RA- 6 W-K
RA- 9 W-K
Nominal
voltage
1.5 VDC
3 VDC
4.5 VDC
5 VDC
6 VDC
9 VDC
12 VDC
18 VDC
24 VDC
Coil resistance
(±10%)
15Ω
60Ω
135Ω
167Ω
240Ω
540Ω
960Ω
2,160Ω
2,880Ω
11,520Ω
Must operate
voltage*
1
+1.0 VDC
+2.0 VDC
+3.1 VDC
+3.4 VDC
+4.0 VDC
+6.1 VDC
+8.1 VDC
+12.3 VDC
+16.1 VDC
+32.2 VDC
Must release
voltage*
1
+0.15 VDC
+0.3 VDC
+0.45 VDC
+0.5 VDC
+0.6 VDC
+0.9 VDC
+1.2 VDC
+1.8 VDC
+2.4 VDC
+4.8 VDC
Nominal
power
150 mW
150 mW
150 mW
150 mW
150 mW
150 mW
150 mW
150 mW
200 mW
200 mW
Note: *
1
Specified values are subject to pulse wave voltage.
All values in the table are measured at
20°C.
MODEL
Single Winding Latching Type
RAL-1.5 W-K
RAL- 3 W-K
RAL-4.5 W-K
RAL- 5 W-K
RAL- 6 W-K
RAL- 9 W-K
RAL- 12 W-K
RAL- 18 W-K
RAL- 24 W-K
RAL -48 W-K
RAL-D1.5 W-K
RAL-D 3 W-K
RAL-D4.5 W-K
Double Winding Latching Type
RAL-D 5 W-K
RAL-D 6 W-K
RAL-D 9 W-K
RAL-D 12 W-K
RAL-D 18 W-K
RAL-D 24 W-K
RAL-D 48 W-K
Nominal
voltage
To
RA- 12 W-K
RA- 18 W-K
RA- 24 W-K
RA- 48 W-K
be
48 VDC
1.5 VDC
3 VDC
4.5 VDC
5 VDC
6 VDC
9 VDC
12 VDC
18 VDC
24 VDC
48 VDC
1.5 VDC
Di
Coil resistance
(±10%)
30Ω
Set
voltage*
1
+1.0 VDC
+2.1 VDC
+3.1 VDC
+3.4 VDC
+4.1 VDC
+6.3 VDC
+12.5 VDC
+16.6 VDC
+21.0 VDC
+8.3 VDC
Reset
voltage*
1
–1.0 VDC
–2.1 VDC
–3.1 VDC
–3.4 VDC
–4.1 VDC
–6.3 VDC
–8.3 VDC
–12.5 VDC
–16.6 VDC
–21.0 VDC
Nominal
power
75 mW
75 mW
75 mW
75 mW
75 mW
75 mW
75 mW
75 mW
100 mW
200 mW
150 mW
sc
120Ω
270Ω
335Ω
480Ω
1,080Ω
1,920Ω
4,320Ω
5,760Ω
11,520Ω
P 15Ω
S 15Ω
P 60Ω
S 60Ω
P 135Ω
S 135Ω
P 167Ω
S 167Ω
P 240Ω
S 240Ω
P 540Ω
S 540Ω
P 960Ω
S 960Ω
P 2,160Ω
S 2,160Ω
P 2,880Ω
S 2,880Ω
P 11,520Ω
S 11,520Ω
on
T
+1.0 VDC
+2.0 VDC
+3.1 VDC
+3.4 VDC
+4.0 VDC
+6.1 VDC
+8.1 VDC
+12.3 VDC
+16.1 VDC
+32.2 VDC
3 VDC
4.5 VDC
5 VDC
6 VDC
9 VDC
12 VDC
18 VDC
24 VDC
48 VDC
in
+1.0 VDC
+2.0 VDC
+3.1 VDC
+3.4 VDC
+4.0 VDC
+6.1 VDC
+8.1 VDC
+12.3 VDC
+16.1 VDC
+32.2 VDC
ue
D
150 mW
150 mW
150 mW
150 mW
150 mW
150 mW
150 mW
200 mW
200 mW
Note: *
1
Specified values are subject to pulse wave voltage.
All values in the table are measured at
20°C.
P: Primary coil S: Secondary coil
2
RA SERIES
n
SPECIFICATIONS
Item
Contact
Arrangement
Material
Style
Coil
Time Value
Life
Other
Resistance (initial)
Rating (resistive)
Maximum Carrying Current
Maximum Switching Power
Maximum Switching Voltage
Maximum Switching Current
Minimum Switching Load*
1
Standard Type
RA-( ) W-K
2 form C (DPDT)
Gold overlay palladium
Bifurcated (cross bar)
Maximum 100 mΩ (at 1 A 6 VDC)
0.5 A 120 VAC or 1 A 24 VDC
2 A
60 VA, 24 W
250 VAC, 220 VDC
2 A
0.01 mA 10 mVDC
Approximately 1.5 pF (between open contacts), 1.0 pF (adjacent contacts)
Approximately 1.7 pF (between coil and contacts)
150 to 200 mW
70 to 90 mW
Single Winding Latching Type
RAL-( ) W-K
Double Winding Latching Type
RAL-D ( ) W-K
To
Capacitance
(10 MHz)
Nominal Power (at 20°C)
Operate Power (at 20°C)
Operating Temperature
be
Operate (at nominal voltage)
Mechanical
Electrical
Vibration Misoperation
Resistance
Endurance
Shock
Misoperation
Resistance Endurance
Di
–40°C to +80°C (no frost) (refer to the CHARACTERISTIC DATA)
Maximum 6 ms Maximum 6 ms (set)
Maximum 6 ms (reset)
2 × 10
7
operations minimum
Release (at nominal voltage)
Maximum 4 ms
sc
75 to 200 mW
40 to 50 mW
150 to 200 mW
70 to 90 mW
2 × 10
5
ops. min. (0.5 A 120 VAC), 5 × 10
5
ops. min. (1 A 24 VDC)
10 to 55 Hz (double amplitude of 5.0 mm)
10 to 55 Hz (double amplitude of 5.0 mm)
500 m/s
2
(11 ±1 ms)
Approximately 3.7 g
1,000 m/s
2
( 6 ±1 ms)
on
T
Single latch
in
Weight
*
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.
ue
D
n
INSULATION
Item
Isolation (initial)
Dielectric
Strength
Surge Voltage
open contacts
coil and contacts/
adjacent contact
Standard
1,000VAC 1 min.,
1,500VAC 1 min.,
1500V (coil-contact) (10/160 µs standard wave)
Double latch
Minimum 1,000 MΩ (at 500VDC)
n
SAFETY STANDARDS
Type
UL
CSA
Compliance
UL 478, UL 508
E 45026
C22.2 No. 14
LR 35579
Contact rating
Flammability: UL 94-V0 (plastics)
0.5A, 120VAC (resistive)
2A, 30VDC (resistive)
0.5A, 60VDC (resistive)
3
RA SERIES
n
CHARACTERISTIC DATA
To
be
Di
sc
on
T
in
ue
D
4
RA SERIES
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REFERENCE DATA
To
be
Di
sc
on
T
in
ue
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5
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