1 data sheet automotive relays ex2/ex1 series description the new nec ex2/ex1 series is pc-board mount type and the most suitable for various motor and heater controls in the automobiles which require high quality and high performance. the ex2 series is succeeding in about 60% of miniaturization in comparison with the et2 series. the ex1 series is succeeding in about 50% of miniaturization in comparison with the et1 series. the ex2/ex1 series is under development now. features ? pc-board mounting ? lead free solder is used ? approx. 75% relay volume of et2 ? approx. 65% relay volume of et1 ? approx. 60% relay space of et2 ? approx. 50% relay space of et1 ? approx. 88% relay weight of et2 ? approx. 78% relay weight of et1 applications ? motor control ? solenoid control ex2 series ex1 series this information in this document is subject to change without notice. document no. ercp02-012-04 nec/tokin iwate, ltd. date published march 2004 printed in japan 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 ?miniature relays? (er0046ej*) before dose designing your relay applications. phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
2 schematic (bottom view) ex2 ex1 dimensions [mm] ex2 ex1 pcb pad layout [mm] (bottom view) ex2 ex1 (unit a) (unit b) 6 7 8 9 10 1 2 3 4 5 1 2 3 4 5 vent hole 13.6 0 . 5 12.1 0 . 5 * 3.5 + 1 . 0/ - 0 . 5 EX2-2U1S 2a1 999 philippines *after solder dip *0.4 x 1.1 3.95 2.2 *2-0.6 x 1.1 * 2-0.4 x 0.7 3.4 4.55 5.35 2.3 0.35 7.5 0 . 5 12.1 0 . 5 * 3.5 + 1 . 0/ - 0 . 5 philippins ex1-2u1s 2b4 001 3.0 13.7 0 . 5 0.9 13.7 0 . 5 0.9 3.4 *2-0.4 x 1.1 3.4 6.05 5.25 0.75 5.25 6.05 0.75 3.95 4.55 5.35 3.4 3.35 3.95 5.35 3.4 *4-0.6 x 1.1 *4-0.4 x 0.7 2- 1.1 +0.1/-0 3- 1.5 +0.1/-0 2- 1.1 +0.1/-0 2- 1.4 +0.1/-0 2- 0.9 +0.1/-0 4- 1.5 +0.1 / -0 phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
3 specification ( at 20 c ) specifications items ex2 ex1 contact form 1c x 2 (separate) 1c max. switching voltage 16vdc max. switching current 30a (at16vdc) min. switching current 1a (5vdc) max. carrying current 35a (2minutes max. 12vdc at 25 c) 30a (2minutes max. 12vdc at 85 c) 20a (2minutes max. 12vdc at 125 c) contact rating contact resistance 4m ? typical (measured at 7a) initial contact material silver oxide complex alloy operate time (excluding bounce) 2.5ms typical (at nominal voltage) release time (excluding bounce) 3ms typical (at nominal voltage with diode) nominal operate power 900mw insulation resistance 100m ? at 500vdc between open contact 500vac min. (for 1minute) withstand voltage between contact and coil 500vac min. (for 1minute) misoperation 98m/s 2 shock resistance destructive failure 980m/s 2 misoperation 10 to 300hz, 43m/s 2 vibration resistance destructive failure 10 to 500hz 43m/s 2 , 200hour ambient temperature -40 to +125 c coil temperature rise 70 c /w (without contact carrying current) mechanical 1 x 10 6 operations p/w motor lock (14vdc, 25a) 100x10 3 operations life expectancy electrical p/w motor free (14vdc, 25a/7a) 100x10 3 operations weight approx. 6.4g approx. 3.5g coil rating ( at 20c ) part numbers nominal voltage (vdc) coil resistance ( ? )+/-10% must operate voltage (vdc) must release voltage (vdc) ex2/1-2u1s (sealed type) 12 160 6.5 0.9 ex2/1-2u1 (unsealed type) 12 160 6.5 0.9 numbering system ex2/1- 2 u 1 s enclosure nil: unsealed s: sealed must operate voltage 1: 6.5 v ( at 20c ) contact material u: silver oxide complex allo y coil resistance 2: 160 ? ( at 20c) phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
4 technical data coil temperature rise 0 50 100 150 0 5 10 15 time (min) coil temperature rise (c) 16v 12v 6.5v 0 50 100 150 00.511.5 coil wattage (w) saturated coil temperature (c) phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
5 relay characteristics distribution (initial, n = 25 pcs., at 20 c) operate/release voltage contact resistance coil resistance operate time release time 0.01 0.1 1 5 10 20 30 50 70 80 90 95 99 99.9 99.99 012345678910 operate/release voltage (v) cdf (%) operate voltage release voltage 0.01 0.1 1 5 10 20 30 50 70 80 90 95 99 99.9 99.99 0 5 10 15 20 25 contact resistance (m ?) cdf (%) contact resistance (n/o) contact resistance (n/c) 0.01 0.1 1 5 10 20 30 50 70 80 90 95 99 99.9 99.99 100 110 120 130 140 150 160 170 180 190 200 coil resistance ( ? ) cdf (%) coil resistance 0.01 0.1 1 5 10 20 30 50 70 80 90 95 99 99.9 99.99 012345678910 release time (ms) cdf (%) release time (excluding contact bounce) release time (including contact bounce) with coil clump diode 0.01 0.1 1 5 10 20 30 50 70 80 90 95 99 99.9 99.99 012345678910 operate time (ms) cdf (%) operate time (excluding contact bounce) operate time (including contact bounce) phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
6 electrical life test (14vdc-25a, p/w motor, lock) test items sam p les 1. operate voltage 2. release voltage 3. contact resistance 4. coil resistance 5. operate time 6. release time (with coil clump diode) temperature frequency contact load number of operations : 20c : 0.2s on, 9.8s off, 0.1hz : 14vdc-25a, p/w motor, lock : 100 x 10 3 ex2 relay (design sample) 10 pcs test conditions 0 2 4 6 8 10 initial after test operate voltage voltage (v) 6.5v max. 0 2 4 6 8 10 initial after test release voltage voltage (v) 0.9v min. -50 -40 -30 -20 -10 0 10 20 30 40 50 initial after test operate voltage deviation (%) -50 -40 -30 -20 -10 0 10 20 30 40 50 initial after test release voltage deviation (%) EX2-2U1S 10 pcs phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
7 1 10 100 initial after test contact resistance (n/o) resistance (m ?) 25m ? max. 1 10 100 initial after test contact resistance (n/c) resistance (m ? ) 25m ? max. 100 110 120 130 140 150 160 170 180 190 200 initial after test coil resistance resistance ( ? ) 160 ? 10% 0 2 4 6 8 10 initial after test operate time time (ms) 10ms max. 0 2 4 6 8 10 initial after test release time time (ms) 10ms max. phone 707-996-5201 fax 707-996-3380 www.worldproducts.com email: sales@worldproducts.com world products inc. electronic component solutions
|
