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MINIATURE RELAY
4 POLES--1 to 2 A (FOR SIGNAL SWITCHING)
RA4 SERIES
n FEATURES
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RoHS compliant
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Ultra high sensitivity 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 RoHS compliant since date code: 0418H Please see page 7 for more information
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n ORDERING INFORMATION
[Example]
(a) (b) (c) (d) (e) (f )
RA4 L (a) (b)
12 W (d) (e)
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- K (f )
Series Name Operation Function Number of Coil Nominal Voltage Contact Enclosure
RA4 : RA4 Series
Nil : Standard type L : Latching type
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Nil : Single winding type D : Double winding type W : Bifurcated type K : Plastic sealed type
Refer to the COIL DATA CHART
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Note: For movable and stationary contact with gold overlay type, add suffix ""-OH"".
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RA4 SERIES
n COIL DATA CHART
MODEL RA4-1.5 W-K RA4- 3 W-K RA4-4.5 W-K Standard Type RA4- 5 W-K RA4- 6 W-K RA4- 9 W-K Nominal voltage 1.5 VDC 3 VDC 4.5 VDC 5 VDC 6 VDC 9 VDC 12 VDC 18 VDC Coil resistance (10%) 11 45 100 125 180 405 720 1,620 2,880 11,520 Must operate voltage*1 +1.0 VDC +2.1 VDC +3.1 VDC +3.5 VDC +4.2 VDC +6.3 VDC +8.4 VDC +12.6 VDC +16.8 VDC +33.6 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 200 mW 200 mW 200 mW 200 mW 200 mW 200 mW 200 mW 200 mW 200 mW 200 mW
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RA4- 12 W-K RA4- 18 W-K RA4- 24 W-K RA4- 48 W-K
Note: *1 Specified values are subject to pulse wave voltage. All values in the table are measured at 20C.
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24 VDC
48 VDC
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RA4 SERIES
n COIL DATA CHART
MODEL RA4L-1.5 W-K Single Winding Latching Type RA4L- 3 W-K RA4L-4.5 W-K RA4L- 5 W-K Nominal voltage 1.5 VDC 3 VDC 4.5 VDC 5 VDC 6 VDC 9 VDC 12 VDC Coil resistance (10%) 25 100 225 278 400 900 1,600 3,600 6,400 25,600 P S P 12.5 12.5 50 50 Set voltage*1 +1.0 VDC +2.1 VDC +3.1 VDC +3.5 VDC +4.2 VDC +6.3 VDC +8.4 VDC +12.6 VDC +16.8 VDC +33.6 VDC +1.0 VDC +1.0 VDC +2.1 VDC 180 mW +2.1 VDC 180 mW +3.1 VDC 180 mW Reset voltage*1 -1.0 VDC -2.1 VDC -3.1 VDC -3.5 VDC -4.2 VDC -6.3 VDC -8.4 VDC -12.6 VDC -16.8 VDC -33.6 VDC Nominal power 90 mW 90 mW 90 mW 90 mW 90 mW 90 mW 90 mW 90 mW 90 mW 90 mW 180 mW
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RA4L- 6 W-K RA4L- 9 W-K
RA4L- 12 W-K RA4L- 18 W-K RA4L- 24 W-K RA4L- 48 W-K
RA4L-D1.5 W-K RA4L-D 3 W-K RA4L-D4.5 W-K Double Winding Latching Type RA4L-D 5 W-K RA4L-D 6 W-K RA4L-D 9 W-K RA4L-D 12 W-K RA4L-D 18 W-K RA4L-D 24 W-K RA4L-D 48 W-K
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18 VDC 24 VDC 48 VDC
1.5 VDC
3 VDC
4.5 VDC 5 VDC
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S P 113 S 113 P 139 S 139 200 200 450 450 800 800 P S P S P S P 1,800 S 1,800 P 3,200 S 3,200 P 12,800 S 12,800
6 VDC 9 VDC 12 VDC 18 VDC 24 VDC 48 VDC
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+3.1 VDC
+3.5 VDC
+4.2 VDC
+6.3 VDC
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+8.4 VDC +12.6 VDC +16.8 VDC
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+3.5 VDC 180 mW 180 mW 180 mW 180 mW +4.2 VDC +6.3 VDC
+8.4 VDC
+12.6 VDC +16.8 VDC +33.6 VDC +33.6 VDC
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180 mW 180 mW
Note: *1 Specified values are subject to pulse wave voltage. All values in the table are measured at 20C.
P: Primary coil S: Secondary coil
RA4 SERIES
n SPECIFICATIONS
Item Contact Arrangement Material Style Resistance (initial) Rating (resistive) Maximum Carrying Current Maximum Switching Power Maximum Switching Voltage Maximum Switching Current Minimum Switching Load* Capacitance (10 MHz) Coil
1
Standard Type RA4-( ) W-K 4 form C (4PDT)
Single Winding Latching Type RA4L-( ) W-K
Double Winding Latching Type RA4L-D ( ) W-K
Gold overlay silver palladium Bifurcated (cross bar) Maximum 100 m (at 1 A 6 VDC) 0.5 A 120 VAC or 1 A 24 VDC 2A 60 VA, 24 W 250 VAC, 220 VDC 2A 0.01 mA 10 mVDC Approximately 1.4 pF (between open contacts), 1.3 pF (adjacent contacts) Approximately 2.4 pF (between coil and contacts) 200 mW 100 mW
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Time Value Life Other
Nominal Power (at 20C) Operate Power (at 20C) Operating Temperature
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Operate (at nominal voltage) Mechanical Electrical Vibration Misoperation Resistance Endurance Shock Misoperation Resistance Endurance Weight
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-40C to +80C (no frost) (refer to the CHARATERISTIC DATA) Maximum 6 ms
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Release (at nominal voltage)
Maximum 4 ms
2 x 10 operations minimum
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90 mW 45 mW
180 mW 90 mW
2 x 105 ops. min. (0.5 A 120 VAC), 5 x 105 ops. min. (1 A 24 VDC) 10 to 55 Hz (double amplitude of 3.3 mm) 10 to 55 Hz (double amplitude of 5.0 mm) 00 m/s2 (11 1 ms) 1,000 m/s2 ( 6 1 ms) Approximately 6.4 g
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Maximum 6 ms (set) Maximum 6 ms (reset)
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*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.
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n INSULATION
Item Isolation (initial) Dielectric Strength open contacts coil and contacts/ adjacent contact Standard 1,500VAC 1 min. 1,500VAC 1 min. 1500V (coil-contact) (10/160 s standard wave) Contact rating Flammability: UL 94-V0 (plastics) 0.5A, 120VAC (resistive) 2A, 0VDC (resistive) 0.5A, 60VDC (resistive)
4
Single latch
Double latch
Minimum 1,000 M (at 500VDC)
Surge Voltage
n SAFETY STANDARDS
Type UL CSA Compliance UL 478, UL 508 E 45026 C22.2 No. 14 LR 5579
RA4 SERIES
n CHARACTERISTIC DATA
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n REFERENCE DATA
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RA4 SERIES
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n DIMENSIONS
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l Dimensions
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l Schematics (Bottom View)
RA4, RA4L type (Non-latching type, single winding latching type)
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l PC board mounting hole layout (Bottom view)
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RA4L-D type (Double winding latching type)
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Unit: mm
6
RA4 SERIES
RoHS Compliance and Lead Free Relay Information
1. General Information
Relays produced after the specific date code that is indicated on each data sheet are lead-free now. Most of our signal and power relays are lead-free. Please refer to Lead-Free Status Info. (http://www.fujitsu.com/us/downloads/MICRO/fcai/relays/lead-free-letter.pdf) l Lead free solder paste currently used in relays is Sn-3.0Ag-0.5Cu. l All signal and most power relays also comply with RoHS. Please refer to individual data sheets. Relays that are RoHS compliant do not contain the 5 hazardous materials that are restricted by RoHS directive (lead, mercury, chromium IV, PBB, PBDE). l It has been verified that using lead-free relays in leaded assembly process will not cause any problems (compatible). l "LF" is marked on each outer and inner carton. (No marking on individual relays). l To avoid leaded relays (for lead-free sample, etc.) please consult with area sales office. l We will ship leaded relays as long as the leaded relay inventory exists. Note: Cadmium was exempted from RoHSon October 21, 2005. (Amendment to Directive 2002/95/EC)
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2. Recommended Lead Free Solder Profile
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Recommended solder paste Sn-3.0Ag-0.5Cu.
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Reflow Solder condtion Flow Solder condtion:
Pre-heating: Soldering:
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maximum 120C dip within 5 sec. at 260C soler bath
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Solder by Soldering Iron:
Soldering Iron Temperature: maximum 360C Duration: maximum 3 sec.
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We highly recommend that you confirm your actual solder conditions
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3. Moisture Sensitivity
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Moisture Sensitivity Level standard is not applicable to electromechanical realys. Dipped SnAgCu solder is known as low risk tin whisker. No considerable length whisker was found by our in house test.
4. Tin Whisker
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RA4 SERIES
Fujitsu Components International Headquarter Offices
Japan Fujitsu Component Limited Gotanda-Chuo Building -5, Higashigotanda 2-chome, Shinagawa-ku Tokyo 141, Japan Tel: (81-) 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: components@us.fujitsu.com Web: http://www.fujitsu.com/us/services/edevices/components/ Europe Fujitsu Components Europe B.V. Diamantlaan 25 212 WV Hoofddorp Netherlands Tel: (1-2) 5560910 Fax: (31-23) 5560950 Email: info@fceu.fujitsu.com Web: emea.fujitsu.com/components/ Asia Pacific Fujitsu Components Asia Ltd. 102E Pasir Panjang Road #01-01 Citilink Warehouse Complex Singapore 118529 Tel: (65) 675-8560 Fax: (65) 6273-3021 Email: fcal@fcal.fujitsu.com Web: http://www.fujitsu.com/sg/services/micro/components/
(c)2009 Fujitsu Components America, Inc. All rights reserved. All trademarks or registered trademarks are the property of their respective owners. Fujitsu Components America or its affiliates do not warrant that the content of datasheet is error free. In a continuing effort to improve our products Fujitsu Components America, Inc. or its affiliates reserve the right to change specifications/datasheets without prior notice. Rev. June 30, 2009.
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