axial cemented wirewound resistors www.vishay.com for technical questions contact: ww1resistors@vishay.com document number: 21007 1 revision: 21-mar-06 z300 vishay draloric features ? all welded construction ? non flammable cement coating ? ceramic core ? various kinds of lead forming available ? lead (pb)-free 1) lower tcr or other power range on request standard electrical specifications model power rating p 40 c w tolerance % resistance range e12/e24 1) wm 50 (class 1) tcr -10...-80 ppm/k wm 110 (class 3) tcr 100...180 ppm/k z301 1 10 5 2 1 r30 - 100r r30 - 100r - - r68 - 2k0 r68 - 2k0 - - zda0411 2 10 5 2 1 r47 - 560r r47 - 560r on request on request 1r5 - 4k3 1r5 - 4k3 - - z302 3 10 5 2 1 r10 - 510r r10 - 510r r22 - 510r 1r0 - 510r 1r8 - 3k3 24r - 3k3 - - z303 4 10 5 2 1 r10 - 1k0 r10 - 1k0 r10 - 1k0 1r0 - 1k0 1r8 - 3k9 12r - 3k9 - - z305 6 10 5 2 1 r10 - 2k4 r10 - 2k4 1r0 - 2k4 1r0 - 2k4 3r9 - 10k 10r - 10k - - z306 8 10 5 2 1 r10 - 4k7 r10 - 4k7 1r0 - 4k7 2r2 - 4k7 6r8 - 16k 6r8 - 16k - - z307 10 10 5 2 1 r20 - 8k2 r20 - 8k2 1r0 - 8k2 3r3 - 8k2 12r - 30k 12r - 30k - - ordering information z305 3 100r 5 % ab model class resistance value to l e ra n c e % packaging for packaging see appropriate catalog or web page.
document number: 21007 for technical ques tions contact: ww1resistors@vishay.com www.vishay.com revision: 21-mar-06 2 z300 axial cemented wirewound resistors vishay draloric dimensions for packaging dimensions see appropriate catalog or web page. b a g c model dimensions in millimeters [inches] a max b max c max g weight (g) z301 8.5 [0.355] 3 [0.118] 0.7 [0.7] 53 1 [2.087 0.039] 0.5 zda0411 11 [0.433] 4 [0.157] 0.7 [0.7] 53 1 [2.087 0.039 0.8 z302 13 [0.512] 4.8 [0.189] 0.8 [0.8] 53 1 [2.087 0.039] 1.1 z303 15.8 [0.622] 5.5 [0.217] 0.8 [0.8] 53 1 [2.087 0.039] 1.4 z305 22.3 [0.878] 8.7 [0.343] 0.8 [0.8] 83 1 [3.268 0.039] 3.7 z306 32.3 [1.272] 8.7 [0.343] 0.8 [0.8] 83 1 [3.268 0.039] 5 z307 49.8 [1.961 9 [0.354] 0.8 [0.8] 120 2 [4.724 0.079] 7 performance test test results damp heat, steady state 56 days 3 % r climatic sequence 3 % r load life 5000 h 3 % r short time overload, 5 x rated power x 5 sec 1 % r vibration 1 % r shock 1 % r resistance to soldering heat 1 % r 300 200 100 0 0 0.4 0. 8 1.2 1.6 2.0 z301 power in w temperature rise temperature rise in c zda 1 041 derating 0 20 40 60 8 0 100 120 ambient temperature in c 40 rated power in % - 55 50 150 250 350 temperature rise 300 200 100 0 0 1 2 3 4 5 z302 power in w temperature rise in c z303 temperature rise in c temperature rise 300 200 100 0 0 2 4 6 8 10 z307 z306 power in w z305
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