MINIATURE RELAY
2 POLES—1 to 2 A
(FOR SIGNAL SWITCHING)
RY SERIES
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FEATURES
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RoHS compliant
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Ultra high sensitivity
UL, CSA recognized
Conforms to FCC rules and regulations Part 68
—Surge strength 1,500 V
High dielectric strength type available (RY-WF type)
Contact arrangement MBB type available (RY-D type)
High reliability-bifurcated contacts
Wide operating range
DIL pitch terminals
Plastic sealed type
RoHS compliant since date code: 0438B9
Please see page 8 for more information
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ORDERING INFORMATION
[Example]
(a)
(b)
RY – 12 WF – K
(a) ( * ) (b) (c) (d)
RY : RY Series
Refer to the COIL DATA CHART
W : High sensitive type
WZ : Nominal 0.5 W type
WF : High dielectric strength type
WFZ : 2 A type
D : 2 FORM D (2 MBB type)
K : Plastic sealed type
Series Name
Nominal Voltage
(c)
Coil and Contact Function
(d)
Enclosure
Note: Actual marking omits the hyphen (-) of (*)
For movable and stationary contact with gold overlay type, add suffix “–OH”.
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RY SERIES
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SPECIFICATIONS
Item
Contact
Arrangement
Material
Style
Resistance (initial)
Maximum Carrying Current
Rating (resistive)
Coil
Maximum Switching Power
Maximum Switching Voltage
Maximum Switching Current
Minimum Switching Load*
1
Capacitance (at 10MHz)
Nominal Power (at 20°C)
Operate Power (at 20°C)
Time Value
Life
Operating Temperature (No frost)
Operate (at nominal voltage)
Release (at nominal voltage)
Mechanical
Electrical (at contact rating)
High
Sensitive
Type
RY-( ) W-K
2 form C (DPDT)
Gold overlay silver-palladium
Bifurcated (cross bar)
Maximum 100 mΩ (at 1 A 6 VDC)
1.25 A 2 A
1 A 24 VD
0.5 A 120 VAC
60 VA/24 W
1 A
120 VAC, 60 VDC
0.01 mA 10 mVDC
1 A 24 VDC
0.25 A 120 VAC
30 VA/24 W
0.6 A
0.15 A 48 VDC
0.3 A 120 VAC
2 A 30 VDC
0.5 A 125 VAC
Gold overlay
silver-nickel
500 mW
Type
RY-( ) WZ-K
High
Dielectric
Strength
RY-( ) WF-K
2 A Type
RY-( ) WFZ-K
Continuous
(MBB)
Type
RY-( ) D-K
2 Form D (2 MBB)
Gold overlay
silver-palladium
Single
62.5 VA/60 W 36 VA/7.2 W
125 VAC, 150 VDC 120 VAC, 60 VDC
0.6 A
0.1 mA 10 mVDC
2 A
A
pprox. 0.9 pF (between open contacts) 1.4 pF (adjacent contacts)
Approx. 1.9 pF (between coil and contacts)
150 to 300 mW 500 to 580 mW 450 to 460 mW
75 to 140 mW
125 to 145 mW 200 to 210 mW
500 to 580 mW
200 to 324 mW
450 to 480 mW
200 to 210 mW
–30°C to +90°C –30°C to +60°C (
refer to the CHARACTERISTIC DATA
)
–30°C to +70°C
(*+80ºC)
(*
2
+65ºC)
Maximum 6 ms
Maximum 3 ms
2 × 10
7
ops. min. 1 × 10
7
operations minimum
2 × 10
5
ops. min. (0.5 A 120 VAC)
5 × 10
5
ops. min. ( 1 A 24 VD C)
5 × 10
5
ops. min.
(0.25 A 120 VAC
1 A 24 VDC
1 × 10
5
ops. min.
(2 A 30 VDC)
1 × 10
6
ops. min.
2 × 10
5
opsmin.
(0.3 A 120 VAC)
5 × 10
5
ops. min.
(0.15 A 48 VDC)
Other
Vibration
Misoperation
10 to 55 Hz (double amplitude of 1.5 mm)
10 to 55 Hz (double amplitude of 4.5 mm)
100 m/s
2
(11±1 ms)
1,000 m/s
2
( 6±1 ms)
Approximately 5 g
Resistance Endurance
Shock Misoperation
Resistance Endurance
Weight
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INSULATION
Item
Isolation (initial)
Dielectric
Strength
Surge Voltage
*
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 ex-
pected reliability levels.
*
2
48VDC type
Sensitive
open contact
coil and contact/
adjacent contacts
500VAC 1 min.,
500mW
High Isolation
1,000VAC 1 min.,
2A
MBB
Minimum 1,000 MΩ (at 500VDC)
500VAC 1 min.,
1,000VAC 1 min.,
1500V (coil-contact) (10/160 µs standard wave)
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