RY12W-K (Fujitsu)
MINIATURE RELAY

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MINIATURE RELAY
2 POLES—1 to 2 A (FOR SIGNAL SWITCHING)
RY SERIES
s FEATURES
q Ultra high sensitivity
q UL, CSA recognized
q Conforms to FCC rules and regulations Part 68
—Surge strength 1,500 V
q High dielectric strength type available (RY-WF type)
q Contact arrangement MBB type available (RY-D type)
q High reliability-bifurcated contacts
q Wide operating range
q DIL pitch terminals
q Plastic sealed type
s ORDERING INFORMATION
[Example]
RY – 12 WF – K
(a) ( * ) (b) (c) (d)
(a) Series Name
RY : RY Series
(b) Nominal Voltage
Refer to the COIL DATA CHART
(c) Coil and Contact Function
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)
(d) Enclosure
K : Plastic sealed type
Note: Actual marking omits the hyphen (-) of (*)
For movable and stationary contact with gold overlay type, add suffix “–OH”.
1


RY12W-K (Fujitsu)
MINIATURE RELAY

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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.
Please note that UL/CSA ratings may differ from the standard ratings.
Type
Nominal voltage
Contact rating*1
RY-W
RY-WZ
3 to 48 VDC
0.5 A
1A
0.3 A
120 VAC
24 VDC
60 VDC
resistive
RY-WF
5 to 48 VDC
0.25 A
1A
0.3 A
120 VAC
48 VDC
60 VDC
resistive
RY-WFZ
3 to 48 VDC
0.5 A
2A
0.6 A
120 VAC
30 VDC
110 VDC
resistive
RY-D
4.5 to 48 VDC
0.3 A 120 VAC
0.2 A 60 VDC
resistive
Note: *1 Contact ratings mentioned above are subject to same polarity.
RY SERIES
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RY12W-K (Fujitsu)
MINIATURE RELAY

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RY SERIES
s SPECIFICATIONS
Item
High
Sensitive
Type
500 mW
Type
High
Dielectric
Strength
2 A Type
Continuous
(MBB)
Type
RY-( ) W-K RY-( ) WZ-K RY-( ) WF-K RY-( ) WFZ-K RY-( ) D-K
Contact
Arrangement
2 form C (DPDT)
2 Form D (2 MBB)
Material
Gold overlay silver-palladium
Gold overlay Gold overlay
silver-nickel silver-palladium
Style
Bifurcated
Single
Resistance (initial)
Maximum 100 m(at 1 A 6 VDC)
Maximum Carrying Current 1.25 A
2 A 0.6 A
Rating
1 A 24 VD
0.5 A 120 VAC
1 A 24 VDC
2 A 30 VDC 0.15 A 48 VDC
0.25 A 120 VAC 0.5 A 125 VAC 0.3 A 120 VAC
Maximum Switching Power 60 VA/24 W
30 VA/24 W 62.5 VA/60 W 36 VA/7.2 W
Maximum Switching Voltage 120 VAC, 60 VDC
125 VAC, 150 VDC 120 VAC, 60 VDC
Maximum Switching Current 1 A
2 A 0.6 A
Minimum Switching Load*1 0.01 mA 10 mVDC
0.1 mA 10 mVDC
Capacitance
Approx. 0.9 pF (between open contacts) 1.4 pF (adjacent contacts)
Approx. 1.9 pF (between coil and contacts)
Coil
Nominal Power (at 20°C)
0.15 to 0.30 W 0.5 to 0.58 W 0.45 to 0.46 W 0.5 to 0.58W 0.45 to 0.48 W
Operate Power (at 20°C)
0.075 to 0.14 W 0.125 to 0.145 W 0.2 to 0.21 W 0.2 to 0.324 W 0.2 to 0.21 W
Operating Temperature (No frost) –30°C to +90°C –30°C to +60°C (refer to the CHARACTERISTIC DATA) –30°C to +70°C
Time Value Operate (at nominal voltage) Maximum 6 ms
Release (at nominal voltage) Maximum 3 ms
Insulation Resistance (at 500 VDC)
Minimum 1,000 M
between open contacts
Dielectric
Strength
between adjacent contacts
between coil and contacts
AC 500 V 1 minute
1,000 VAC 1 minute
1,000 VAC 1 minute
1,000 VAC 1 minute 500 VAC 1 minute
Surge Strength
1,500 V
Life Mechanical
2 × 107 ops. min. 1 × 107 operations minimum
1 × 106 ops. min.
Electrical (at contact rating)
2 × 105 ops. min. (0.5 A 120 VAC) 5 × 105 ops. min. 1 × 105 ops. min.
5 × 105 ops. min. ( 1 A 24 VD C) (0.25 A 120 VAC (2 A 30 VDC)
1 A 24 VDC
2 × 105 ops. min.
(0.3 A 120 VAC)
5 × 105 ops. min.
(0.15 A 48 VDC)
Other
Vibration Misoperation 10 to 55 Hz (double amplitude of 1.5 mm)
Resistance Endurance
10 to 55 Hz (double amplitude of 4.5 mm)
Shock
Misoperation
100 m/s2 (11±1 ms)
Resistance Endurance
1,000 m/s2 ( 6±1 ms)
Weight
Approximately 5 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


RY12W-K (Fujitsu)
MINIATURE RELAY

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RY SERIES
s COIL DATA CHART
MODEL
Nominal
voltage
Coil resistance
(±10%)
RY-4.5 W-K
4.5 VDC
135
RY- 5 W-K
5 VDC
165
RY- 6 W-K
6 VDC
240
RY- 9 W-K
9 VDC
540
RY- 12 W-K
12 VDC
960
RY- 18 W-K
18 VDC
1,620
RY- 24 W-K
24 VDC
2,880
RY- 48 W-K
48 VDC
7,680
RY- 3 WZ-K
3 VDC
18
RY-4.5 WZ-K
4.5 VDC
36
RY- 5 WZ-K
5 VDC
45
RY- 6 WZ-K
6 VDC
66
RY- 9 WZ-K
9 VDC
140
RY- 12 WZ-K
12 VDC
280
RY- 18 WZ-K
18 VDC
560
RY- 24 WZ-K
24 VDC
1,070
RY- 48 WZ-K
48 VDC
4,000
RY- 5 WF-K
5 VDC
56
RY- 6 WF-K
6 VDC
80
RY- 9 WF-K
9 VDC
180
RY- 12 WF-K
12 VDC
320
RY- 18 WF-K
18 VDC
720
RY- 24 WF-K
24 VDC
1,260
RY- 48 WF-K
48 VDC
5,000
RY- 3 WFZ-K
3 VDC
18
RY-4.5 WFZ-K
4.5 VDC
36
RY- 5 WFZ-K
5 VDC
45
RY- 6 WFZ-K
6 VDC
66
RY- 9 WFZ-K
9 VDC
140
RY- 12 WFZ-K
12 VDC
280
RY- 18 WFZ-K
18 VDC
560
RY- 24 WFZ-K
24 VDC
1,070
RY -48 WFZ-K
48 VDC
4,000
Note : All values in the table are measured at 20°C.
Must operate
voltage
3.2 VDC
3.6 VDC
4.3 VDC
6.4 VDC
8.5 VDC
12.6 VDC
16.8 VDC
32.6 VDC
1.5 VDC
2.25 VDC
2.5 VDC
3.0 VDC
4.5 VDC
6.0 VDC
9.0 VDC
12.0 VDC
24.0 VDC
3.3 VDC
4.0 VDC
6.0 VDC
8.0 VDC
12.0 VDC
15.9 VDC
33.0 VDC
1.9 VDC
2.9 VDC
3.2 VDC
3.8 VDC
5.7 VDC
7.6 VDC
11.4 VDC
15.2 VDC
36.0 VDC
Must release
voltage
0.23 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
2.4 VDC
0.15 VDC
0.23 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
2.4 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
2.4 VDC
0.15 VDC
0.23 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
2.4 VDC
Nominal
power
150 mW
150 mW
150 mW
150 mW
150 mW
200 mW
200 mW
300 mW
500 mW
560 mW
560 mW
550 mW
580 mW
510 mW
580 mW
540 mW
580 mW
450 mW
450 mW
450 mW
450 mW
450 mW
450 mW
460 mW
500 mW
560 mW
560 mW
550 mW
580 mW
510 mW
580 mW
540 mW
580 mW
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RY12W-K (Fujitsu)
MINIATURE RELAY

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RY SERIES
MODEL
Nominal
voltage
Coil resistance
(±10%)
RY-4.5 D-K
4.5 VDC
45
RY- 5 D-K
5 VDC
55
RY- 6 D-K
6 VDC
80
RY- 9 D-K
9 VDC
180
RY- 12 D-K
12 VDC
320
RY- 18 D-K
18 VDC
720
RY- 24 D-K
24 VDC
1,280
RY- 48 D-K
48 VDC
4,800
Note : All values in the table are measured at 20°C.
s CHARACTERISTIC DATA
Must operate
voltage
3.0 VDC
3.3 VDC
3.95 VDC
5.9 VDC
7.9 VDC
11.8 VDC
15.8 VDC
31.8 VDC
Must release
voltage
0.23 VDC
0.25 VDC
0.3 VDC
0.45 VDC
0.6 VDC
0.9 VDC
1.2 VDC
2.4 VDC
Nominal
power
450 mW
450 mW
450 mW
450 mW
450 mW
450 mW
450 mW
480 mW
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RY12W-K (Fujitsu)
MINIATURE RELAY

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s REFERENCE DATA
RY SERIES
6


RY12W-K (Fujitsu)
MINIATURE RELAY

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s DIMENSIONS
q Dimensions
q Schematics
(Bottom view)
RY SERIES
q PC board mounting
hole layout
(Bottom view)
Unit: mm
Fujitsu Components
International
Headquarter
Offices
Japan
Fujitsu Component Limited
Gotanda-Chuo Building
3-5, Higashigotanda 2-chome, Shinagawa-ku
Tokyo 141, Japan
Tel: (81-3) 5449-7010
Fax: (81-3) 5449-2626
Email: promothq@ft.ed.fujitsu.com
Web: www.fcl.fujitsu.com
North and South America
Fujitsu Components America, Inc.
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
Europe
Fujitsu Components Europe B.V.
Diamantlaan 25
2132 WV Hoofddorp
Netherlands
Tel: (31-23) 5560910
Fax: (31-23) 5560950
Email: info@fceu.fujitsu.com
Web: www.fceu.fujitsu.com
Asia Pacific
Fujitsu Components Asia Ltd.
102E Pasir Panjang Road
#04-01 Citilink Warehouse Complex
Singapore 118529
Tel: (65) 6375-8560
Fax: (65) 6273-3021
Email: fcal@fcal.fujitsu.com
www.fcal.fujitsu.com
© 2003 Fujitsu Components America, Inc. All company and product names are trademarks or registered trademarks
of their respective owners. Rev. 02/12/2003
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RY12W-K.pdf
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