power metal strip ? resistors (extended range) surface mount www.vishay.com for technical questions , contact: ww2bresistors@vishay.com document number: 30109 36 revision: 13-oct-06 wse vishay dale features ? 0805 size resistors with 0.25 w power rating ? smaller footprint than a 1206 resistor (uses 40 % less board space) ? superior overload and pulse handling capability ? smd alternative for low power leaded wirewound resistors ? low tcr 15 ppm/c ? low noise: < - 40 db ? voltage coefficient: < 0.00001 %/v (< 0.1 ppm/v) ? very low inductance: < 0.08 h standard electrical specifications model size power rating p 70 c w limiting element voltage v temperature coefficient ppm/k resistance range e-series 0.1 %, 0.25 %, 0.5 %, 1 % WSE0805 0805 0.25 ( p x r ) 1/2 15, 25 10 - 10k 96 technical specifications parameter unit WSE0805 dielectric withstanding voltage v ac 200 insulation resistance > 10 9 operating temperature range c - 65 to + 150 weight/1000 pieces g 5.5 global part number information global part numbering: WSE08051k500fxea global model resistance value tolerance code tcr code packaging code special WSE0805 r = decimal k = thousand 100r0 = 100 4k000 = 4 k b = 0.1 % c = 0.25 % d = 0.5 % f = 1.0 % x = 15 ppm/c e = 25 ppm/c ea = lead (pb)-free, tape/reel ek = lead (pb)-free, bulk tg = tin/lead, tape/reel (rt1) ba = tin/lead, bulk (b43) (dash number) (up to 2 digits) from 1 - 99 as applicable e08051k5 00f e ws x a
wse power metal strip ? resistors (extended range) surface mount vishay dale document number: 30109 for technical ques tions, contact: ww2bres istors@vishay.com www.vishay.com revision: 13-oct-06 37 dimensions note (1) land pattern dimensions (g , x, z) are per ipc-782a note ? embossed carrier tape per eia-481-1a l d w t top coatin g z g x recommended land pattern model dimensions in inches [millimeters] dlwtg (1) x (1) z (1) WSE0805 0.015 0.005 [0.38 0.13] 0.080 0.005 [2.30 0.13] 0.050 0.005 [1.27 0.13] 0.025 max [0.64 max] 0.028 0.004 [0.70 0.10] 0.050 0.004 [1.27 0.10] 0.122 0.004 [3.103 0.10] 60 50 40 30 20 10 0 0.00 0.05 0.10 0.15 0.20 0.25 power in watts temperature rise in c temperature rise 120 100 8 0 60 40 20 0 - 55 - 25 025 50 75 100 125 150 175 70 ambient temperature in c rated power in % % deratin g performance test conditions of test test limits thermal shock - 65 c to + 150 c, 100 cycles, 15 min at each extreme 0.10 % r short time overload 5 x rated power for 5 s 0.10 % r low temperature operation - 65 c, 0.25 w for 45 min 0.05 % r high temperature exposure 100 h at + 150 c 0.10 % r moisture resistance mil-std-202, method 106, 0 % power, 7b not required 0.10 % r load life 1000 h at 70 c, 1.5 h ?on?, 0.5 h ?off? 0.05 % r resistance to bonding exposure 260 c for 10 s 0.10 % r packaging model reel tape width diameter pieces/reel code WSE0805 8 mm/punched paper 178 mm/7" 5000 ea
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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