1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 6 as series anti-surge thick film chip resistors fea tures ? small size and light weight ? suitable for both wave and reflow soldering ? can withstand high surge ? reduction of assembly costs series specifica tions characteristics power max max dielectric rating working overload withstanding resistance type at 70c voltage voltage voltage range as08 (0805) 0.33w 150v 300v 500v 1~10m as12 (1206) 0.5w 200v 400v 500v 1~10m as25 (2512) 1.5w 500v 500v 500v 1~20m std. oper. temp. -55c ~ +155c standard values e-24 values construction thick film terminal material silver, copper, nickel, and tin, non-sac alloy solderable finish matte tin tolerance 5% standard; 10% and 20% available derating reflow 100 percent rated powe r ambient te mperature, c 60 20 0 80 40 05 0 100 155 70 -55 300 temperature c time preheating 150 ~ 180 90 30sec. soldering cooling 200 50 0 250 100 150 230 ~ 245/250 20 10sec. test r test methods (jis c 5201-1 ) temperature coefficient 1-10: 400ppm/c (200 ppm can be provid - ed on a case to case basis) 11-10m: 100ppm/c natural r/c r2-r1 x 10 6 (ppm/c) r1(t2-t1) r1: at room temp. (t1) r2: at room temp. plus 100c (t2) test pattern: room temp. (t1), room temp. +100c(t2) short time overload (1.0% + 0.1) max. permanent r after the application of a potential of 2.5 times rcwv for 5 sec. terminal bending (1.0% + 0.05) max. twist of test board: y/x = 3/90 mm for 60 sec. soldering heat (1.0% + 0.05) max. 260c3c for 10 1 sec. single pulse (1.0% + 0.1) max. see graph on next page. humidity (3.0% + 0.1) max. temporary r after 240 hr. at 40 2c and 90-95% relative humidity load life in humidity (3.0% + 0.1) max. r after 1,000 hr. (1.5 hr. "on", 0.5 hr. "off" ) at rcwv at 40 2c and 90-95% relative humidity load life (3.0% + 0.1) max. r change after 1,000 hr. operat - ing at rcwv, with duty cycle of (1.5 hours"on", 0.5 hour"off") at 70c 2c ambient solderability min. 95% coverage wave solder: 245c 3c for 2-3 sec. temperature cycling (1.0% + 0.05) max. r after 5 cycles: -55c 3c 30 min. room temp. 10-15 min. +155c 2c 30 min. 4 room temp. 10-15 min. dielectric withstanding voltage no evidence of flashover, mechanical damage, arcing or insulation breakdown clamped in the trough of a 90c metal - lic v-block at specified ac potential 60-70 sec.
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 7 characteristics as series anti-surge thick film chip resistors series l w h a b as08 2.00 0.15 1.25 +0.15/-0.10 0.55 0.10 0.40 0.20 0.40 0.20 as12 3.10 0.15 1.55 +0.15/-0.10 0.55 0.10 0.45 0.20 0.45 0.20 as25 6.35 0.10 3.10 0.15 0.55 0.10 0.60 0.25 0.50 0.20 series a b c as08 1.3 1.2 1.0 as12 1.8 1.2 2.2 as25 3.0 2.5 4.0 series packaging qty./reel a b t w as08 paper 5,000 pcs. 1.65 2.40 0.81 10 as12 paper 5,000 pcs. 2.00 3.60 0.81 10 as25 embossed 4,000 pcs. 3.50 6.70 1.0 13.8 dimensions (mm) ordering informa tion standard part numbers tape and reel land pattern 0805 as08j1r00et as08j10r0et as08j1000et as08j1001et as08j1002et as08j1003et as08j1004et 1206 as12j1r00et as12j10r0et as12j1000et as12j1001et as12j1002et as12j1003et as12j1004et 2512 as25j1r00et as25j10r0et as25j12r0et as25j15r0et as25j22r0et as25j1000et as25j1001et as25j1002et as25j1003et as25j1004et a a b b pulse curve lightning surge 178 2 60 1 13 .5 2 .5 w 1 21 .5 a .2 b .2 t .1 1.5 +0.1/-0 1.75 .1 3.5 0.05 4.0 .1 8.0 .2 paper embossed 2.0 .05 a .2 b .2 1.0 .1 1.5 +0.1/-0 1.5 +0.1/-0 1.75 .1 3.5 0.05 4.0 .1 8.0 .2 2.0 .05 as08j1004et rohs compliant ohms first 3 digits are significant; 4th digit is multiplier. values below 100 ohms use "r" as a decimal holder. examples: 1001 = 1000 ohms 1502 = 15000 ohms tolerance j = 5% standard for e24 values series as08= 0805 as12= 1206 as25= 2512 tcr t= tape and reel: 0805 and 1206 paper tape; 2512 embossed tape. single as25 as12 as08 as25 as12 as08 continuous (100k ) as25 as12 as08 1.2/50s lightning surge resistance () voltage (v) 10,000 1,000 100 10 1 10 100 1k 10k 1m 100k b c a
|
