1/4 www.rohm.com c 2012 rohm co., ltd. all rights reserved. 2012.02 - rev.d zener diode udzs18b ? applications ? dimensions (unit : mm) ? land size figure (unit : mm) constant voltage control ? features 1) compact, 2-pin mini-mold type for high-density mounting. (umd2) 2) high reliability. 3) can be mounted automatically, using chip mounter. ? structure ? construction silicon epitaxial planar ? taping specifications (unit : mm) ? absolute maximum ratings (ta=25 ?c) rohm : umd2 jeita : sc-90/a jedec : s0d-323 dot (year week factory) ex. udzs3.6b 0.30.05 0.70.2 0.1 0.10.1 0.05 1.70.1 2.50.2 1.250.1 umd2 2.1 0.8min. 0.9min. 4.00.1 2.00.05 1.550.05 1.400.1 4.00.1 1.05 2.75 3.50.05 1.750.1 8.00.2 0.30.1 1.00.1 2.80.1 symbol unit pm w tj tstg topr limits 150 -55 to +150 200 parameter junction temperature storage temperature power dissipation operating temperature -55 to +150
2/4 www.rohm.com c 2012 rohm co., ltd. all rights reserved. 2012.02 - rev.d data sheet udzs18b ? electrical characteristics (ta=25 ? c) ? type no. min. max. iz(ma) max. iz(ma) max. iz(ma) max. vr(v) udzs 3.6b 3.600 3.845 5.0 100 5.0 1000 1.0 10.0 1.0 udzs 3.9b 3.890 4.160 5.0 100 5.0 1000 1.0 5.0 1.0 udzs 4.3b 4.170 4.430 5.0 100 5.0 1000 1.0 5.0 1.0 udzs 4.7b 4.550 4.750 5.0 100 5.0 800 0.5 2.0 1.0 udzs 5.1b 4.980 5.200 5.0 80 5.0 500 0.5 2.0 1.5 udzs 5.6b 5.490 5.730 5.0 60 5.0 200 0.5 1.0 2.5 udzs 6.2b 6.060 6.330 5.0 60 5.0 100 0.5 1.0 3.0 udzs 6.8b 6.650 6.930 5.0 40 5.0 60 0.5 0.5 3.5 udzs 7.5b 7.280 7.600 5.0 30 5.0 60 0.5 0.5 4.0 udzs 8.2b 8.020 8.360 5.0 30 5.0 60 0.5 0.5 5.0 udzs 9.1b 8.850 9.230 5.0 30 5.0 60 0.5 0.5 6.0 udzs 10b 9.770 10.210 5.0 30 5.0 60 0.5 0.1 7.0 udzs 11b 10.760 11.220 5.0 30 5.0 60 0.5 0.1 8.0 udzs 12b 11.740 12.240 5.0 30 5.0 80 0.5 0.1 9.0 udzs 13b 12.910 13.490 5.0 37 5.0 80 0.5 0.1 10.0 udzs 15b 14.340 14.980 5.0 42 5.0 80 0.5 0.1 11.0 udzs 16b 15.850 16.510 5.0 50 5.0 80 0.5 0.1 12.0 udzs 18b 17.560 18.350 5.0 65 5.0 80 0.5 0.1 13.0 udzs 20b 19.520 20.390 5.0 85 5.0 100 0.5 0.1 15.0 udzs 22b 21.540 22.470 5.0 100 5.0 100 0.5 0.1 17.0 udzs 24b 23.720 24.780 5.0 120 5.0 120 0.5 0.1 19.0 udzs 27b 26.190 27.530 5.0 150 5.0 150 0.5 0.1 21.0 udzs 30b 29.190 30.690 5.0 200 5.0 200 0.5 0.1 23.0 udzs 33b 32.150 33.790 5.0 250 5.0 250 0.5 0.1 25.0 udzs 36b 35.070 36.870 5.0 300 5.0 300 0.5 0.1 27.0 ( )the zener voltage(vz) is measured 40ms after power is supplied. ( )the operating resistances(zz,zzk) are measured by superimposing a minute alternating current on the regulated current(iz) typ. reverse current ir(ua) operating resistance zz( ? ) rising operataing resistance zz( ? ) symbol zener voltage vz(v) type typeno. type typeno. udzs 3.6b 62 udzs 12b 25 udzs 3.9b 72 udzs 13b 35 udzs 4.3b 82 udzs 15b 45 udzs 4.7b 92 udzs 16b 55 udzs 5.1b a2 udzs 18b 65 udzs 5.6b c2 udzs 20b 75 udzs 6.2b e2 udzs 22b 85 udzs 6.8b f2 udzs 24b 95 udzs 7.5b h2 udzs 27b a5 udzs 8.2b j2 udzs 30b c5 udzs 9.1b l2 udzs 33b e5 udzs 10b 05 udzs 36b f5 udzs 11b 15
3/4 www.rohm.com c 2012 rohm co., ltd. all rights reserved. 2012.02 - rev.d data sheet udzs18b power dissipation:pd(mw) time:t(ms) prsm-time characteristics temp.coefficience:z(/) zener voltagevz(v) z-vz characteristics time:t(s) rth-t characteristics transient thaermal impedance:rth (/w) reverse surge maximum power:prsm(w) 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 rth(j-a) rth(j-c) 1ms im=10ma if=100ma 300us time mounted on epoxy board 0 50 100 150 200 250 0 25 50 75 100 125 150 0.1 1 10 100 1000 10000 0.001 0.01 0.1 1 10 100 t prsm 0.001 0.01 0.1 1 10 0 5 10 15 20 25 30 35 40 3.6 24 20 18 16 15 13 12 11 10 9.1 8.2 7.5 5.6 6.8 6.2 5.1 4.7 4.3 3.9 36 33 22 30 27 zener current:iz(ma) zener voltage:vz(v) vz-iz characteristics -0.08 -0.06 -0.04 -0.02 0 0.02 0.04 0.06 0.08 0.1 0.12 0 10203040 -5 0 5 10 15 20 25 30 35 40 ambient temperature:ta() pd-tacharacteristics temp.coefficience:z(mv/) ? electrical characteristic curves (ta=25 ?c)
4/4 www.rohm.com c 2012 rohm co., ltd. all rights reserved. 2012.02 - rev.d data sheet udzs18b reverse voltagevr(v) vr-ir characteristics reverse current:ir (na) reverse current:ir(na) ir dispersion map capacitance between terminals:ct(pf) reverse voltage:vr(v) vr-ct characteristics ct dispersion map capacitance betweenterminals:ct(pf) zener current:iz(ma) zener voltage:vz(v) vz-iz characteristics dynamic impedance:zz() zener current(ma) zz-iz characteristics vz dispersion map zener voltage:vz() 0.0001 0.001 0.01 0.1 1 10 100 012 3456 78910111213 ta=125 ta=-25 ta=25 ta=75 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 ta=25 r=13v n=30pcs ave:0.0962na 1 10 100 02 468101214 f=1mhz 10 11 12 13 14 15 16 17 18 19 20 ta=25 f=1mhz vr=0v n=10pcs ave:13.98pf 0.001 0.01 0.1 1 10 16 17 18 19 20 ta=-25 ta=125 ta= 7 5 ta=25 100 1000 10000 0 . 111 0 17.7 17.8 17.9 18 18.1 18.2 ave:17.90v ta=25 iz=5ma n=10pcs
r1120a www.rohm.com ? 2012 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specified herein is subject to change for improvement without notice. the content specified herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specifications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when design ing circuits for mass production. great care was taken in ensuring the accuracy of the information specified in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specified herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specified in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any product, such as derating, redundancy, fire control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specified herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
|
