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data sheet the information in this document is subject to change without notice. ? nec tokin corporation 2010 automotive relays ep1k series description the new nec tokin ep1k series is pc-board mount type and suitable for various heaters, fans and pumps, etc. controls in the automobiles which require high quality and high performance. y the ep1k series was developed based on the ep1 series and the performance of carrying current is about 10a larger than the ep1f relay. feature ~ large current capacity (54a 1hour at 20? , approx. 10a larger than the ep1f) ~ high heat resistance ~ flux tight housing ~ pb free ~ through-hole re ow soldering available application ~ heater control ~ motor control such as fans and pumps for proper use of miniature relays do not exceed maximum rating do not use relay under excessive conditions such as over ambient temperature, over voltage and over current. incorrect use could result in abnormal heating and damage to the relay or other parts. read cautions in the selection guide read the cautions described in nec `s l miniature relaysz (9600rsgvol11e1003n1) before dose designing your relay applications. all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 2 schematic (bottom view) dimnsions [mm] pcb pad layout [mm] (bottom view) 5 8 1 34 2 6 7 philippines ep1k-b3g1 9b1999 vent hole sealed/unsealed) company name country of origin part number lot codey 3.7 3.7 0.8 0.8 6.4 16.2 ?0.5 14.6 ?0.5 1.5 17.0 ?0.5 ? 2.8 3.1 8.0 3.5 10.1 4 0.5 1.1 * after soldering 2.65 3.1 6.4 5.45 2 1.3 1.3 2 0.6 4.1 2.2 4 1.5 0.1 0 2 1.9 0.1 0 2 1.1 0.1 0 all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 3 specifications (ambient temperature 20c) items speci cations contact form 1 form c contact ratings maximum switching voltage 16vdc maximum switching current 30a minimum switching current 1 a (5vdc) maximum carrying current 54a at 14vdc for 1hour *1 contact resistance 4m
typical (measured at 7a) initial contact material silver oxide complex alloy operate time (excluding bounce) 5ms typical at nominal voltage release time (excluding bounce) 2ms typical at nominal voltage, without diode) initial 8ms typical (at nominal voltage, with diode) initial nominal operating power 0.64w coil temperature rise approx. y45? /wy (contact carrying current 0a insulation resistance 100m
at 500vdc withstand voltage between open contacts 500vac (for 1minute) between coil and contacts 500vac (for 1minute) shock resistance misoperation 98m/s 2 (10g) destructive failure 980m/s 2 (100g) vibration resistance misoperation 10 to 300hz|43m/s 2 (4.4g) destructive failure 10 to 500hz | 43m/s 2 (4.4g)|200 hours ambient temperature 40 to 125? running speci cations non-load 1 x 10 6 operations load (motor load) 100 10 3 operations (at 25 ?| 14vdc| lock 25a / steady 7a 100 10 3 operations at 125?| 14vdc| lock 18a / steady 5a) weight approx. 8g *1 mounted on pc-board: fr-4 (thickness; 1.6mm), copper (thickness; 105 m,width; 15mm coil rating (ambient temperature:20c) part numbers nominal voltage (vdc) coil resistance (
) ? 10% must operate voltage *2 (vdc) must release voltage *2 (vdc) ep1k-b3g1 12 225 6.5 0.9 *2 test by pulse voltage ep1k ? b3 g 1 s enclosure nil : unsealed s : sealed must operate voltage 1 : 6.5v contact material g : silver oxide complex alloy 5zqf part number system all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 4 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 0.0 5.0 10.0 15.0 0 0.4 0.2 0.8 0.6 1.2 1 time (min) coil temperature ( ? c) coil wattage (w) saturated coil temperature ( ? c) 9v 12v 14v 16v techinical data coil temperature rise mounted on pc-board: fr-4 (thickness; 1.6mm), copper (thickness; 105 m,width; 15mm) (ambient temperature 20c) all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 5 relay characteristics distribution (initial) specimen : ep1k-b3g1s ambient temperature : 20 ? c quantity :50pcs. cdf (%) 0.01 0.1 10 20 30 50 70 80 90 95 99 99.9 99.99 cdf (%) operate/release voltage contact resistance operate time 1 0.01 0.1 10 20 30 50 70 80 90 95 99 99.9 99.99 1 5 012345678910 0 5 10 15 20 25 30 35 40 45 50 operate/release voltage (v) 0.01 0.1 10 20 30 50 70 80 90 95 99 99.9 99.99 cdf (%) 1 5 012345678910 operate time (ms) 0.01 0.1 10 20 30 50 70 80 90 95 99 99.9 99.99 cdf (%) 1 5 release time (ms) 0.01 0.1 10 20 30 50 70 80 90 95 99 99.9 99.99 cdf (%) 1 5 150 200 250 300 0 5 10 15 coil resistance ($?) contact resistance (m$?) coil resistance release time operate voltage release voltage contact resistance (n/o) contact resistance (n/c) coil resistance operate time (excluding contact bounce) operate time (including contact bounce) release time (excluding contact bounce) release time (including contact bounce) with coil clump diode all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 6 electrical life test (14vdc-25a, p/w motor, lock) test items test conditions samples 1. operate voltage 2. release voltage 3. contact resistance 4. coil resistance 5. operate time 6. release time (with coil clump diode) temperature : 20 ? c frequency : 0.1hz (0.2s on, 9.8s off) contact load : 14vdc-25a, p/w motor, lock number of operations : 100 10 3 ep1k-b3g1s 10 pcs 6.5v max. 0.9v min. ?40% ?40% 0 2 4 6 8 10 after test initial operate voltage voltage (v) 0 2 4 6 8 10 after test initial release voltage voltage (v) -50 -40 -30 -20 -10 0 10 20 30 40 50 after test initial -50 -40 -30 -20 -10 0 10 20 30 40 50 after test initial operate voltage release voltage deviation (%) deviation (%) all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 7 225$??10% 10ms max. 10ms max. 0 2 4 6 8 10 200 210 220 230 240 250 after test initial after test initial operate time time (ms) 0 2 4 6 8 10 after test initial after test initial after test initial release time time (ms) coil resistance 1 10 100 contact resistance (n/o) resistance (m$?) 1 10 100 resistance (m$?) contact resistance (n/c) resistance (m$?) 50m$? max. 50m$? max. all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e
ep1k series 8 carrying current performance test items test conditions samples carrying current coil wattage : 0.87w 225
,14vdc temperature : 20 ? c mounting conditions : mounted on nt's pc board ypc board yyfr-4, t1.6 y cu pattern thickness yy105m y pattern size yy15mm(width) 100mm(length) failuer mode : coil layer short ep1k-b3g1s ep1f-b3g1s 5 pcs for each 1 10 100 1000 10000 ep1k relay 50a fuse 30a fuse 40a fuse ep1f relay time (s) 40 50 60 70 80 90 100 carrying current (a) all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. please request for a specifcation sheet for detailed product data prior to the purchase. before using the product in this catalog, please read "precautions" and other safety precautions listed in the printed version catalog. 2010.07.21 9600pdavol01e

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