vishay mcl4148 / mcl4448 document number 85566 rev. 1.8, 14-may-04 vishay semiconductors www.vishay.com 1 9612315 small signal fast switching diodes features ? silicon epitaxial planar diodes saving space hermetic sealed parts fits onto sod-323 / sot-23 footprints electrical data identical with the devices 1n4148 and 1n4448 respectively micro melf package applications extreme fast switches mechanical data case: micromelf glass case weight: approx. 12 mg cathode band color: black packaging codes/options: gs18 / 10 k per 13" reel (8 mm tape), 10 k/box gs08 / 2.5 k per 7" reel (8 mm tape), 12.5 k/box parts table absolute maximum ratings t amb = 25 c, unless otherwise specified part type differentiation ordering code remarks mcl4148 v rrm = 100 v, v f @ i f 50 ma = 1 v mcl4148-gs18 or mcl4148-gs08 tape and reel mcl4448 v rrm = 100 v, v f @ i f 100 ma = 1 v mcl4448-gs18 or mcl4448-gs08 tape and reel parameter test condition symbol value unit repetitive peak reverse voltage v rrm 100 v reverse voltage v r 75 v peak forward surge current t p = 1 si fsm 2a repetitive peak forward current i frm 450 ma forward current i f 200 ma average forward current v r = 0 i fav 150 ma power dissipation p v 500 mw
www.vishay.com 2 document number 85566 rev. 1.8, 14-may-04 vishay mcl4148 / mcl4448 vishay semiconductors thermal characteristics t amb = 25 c, unless otherwise specified electrical characteristics t amb = 25 c, unless otherwise specified typical characteristics (t amb = 25 c unless otherwise specified) parameter test condition symbol value unit junction ambient mounted on epoxy-glass hard tissue, fig. 5, 35 m copper clad, 0.9 mm 2 copper area per electrode r thja 500 k/w junction temperature t j 175 c storage temperature range t stg - 65 to + 175 c parameter test condition part symbol min ty p. max unit forward voltage i f = 5 ma mcl4448 v f 0.62 0.72 v i f = 50 ma mcl4148 v f 0.86 1 v i f = 100 ma mcl4448 v f 0.93 1 v reverse current v r = 20 v i r 25 na v r = 20 v, t j = 150 c i r 50 a v r = 75 v i r 5 a breakdown voltage i r = 100 a, t p /t = 0.01, t p = 0.3 ms v (br) 100 v diode capacitance v r = 0, f = 1 mhz, v hf = 50 mv c d 4pf rectification efficiency v hf = 2 v, f = 100 mhz r 45 % reverse recovery time i f = i r =10 ma, i r = 1 ma t rr 8ns i f = 10 ma, v r = 6 v, i r = 0.1 x i r , r l = 100 ? t rr 4ns fig. 1 forward current vs. forward voltage 0 0.4 0.8 1.2 1.6 0.1 1 10 100 1000 i - forward current ( ma ) f v f - forward voltag e(v) 2.0 16641 mcl 4148 scattering limit t j =25 c fig. 2 forward current vs. forward voltage 0 0.4 0.8 1.2 1.6 0.1 1 10 100 1000 i - forward current ( ma ) f v f - forward voltag e(v) 2.0 16643 mcl 4448 scattering limit t j =25 c
vishay mcl4148 / mcl4448 document number 85566 rev. 1.8, 14-may-04 vishay semiconductors www.vishay.com 3 fig. 3 reverse current vs. reverse voltage fig. 4 diode capacitance vs. reverse voltage fig. 5 board for r thja definition (in mm) 1 10 100 1000 i - reverse current ( na ) r v r - reverse voltag e(v) 10 1 100 94 9098 t j =25 c scattering limit 0.1 1 10 0 0.5 1.0 1.5 2.0 3.0 c - diode capacitance ( pf ) d 100 94 9099 2.5 v r - reverse voltag e(v) t f=1mhz j =25 c 25 2.5 10 0.71 1.3 1.27 9.9 24 0.152 0.355 95 10329
www.vishay.com 4 document number 85566 rev. 1.8, 14-may-04 vishay mcl4148 / mcl4448 vishay semiconductors package dimensions in mm (inches) iso method e 9612072 1.2 (0.047) 2.4 (0.094) 2.8 (0.109) 0.8 (0.031) 0.8 (0.031) 0.9 (0.035) 0.9 (0.035) reflow soldering wave soldering 0.8 (0.031) 1.0 (0.039) 1.4 (0.055)
vishay mcl4148 / mcl4448 document number 85566 rev. 1.8, 14-may-04 vishay semiconductors www.vishay.com 5 ozone depleting substa nces policy statement it is the policy of vishay semiconductor gmbh to 1. meet all present and future national and international statutory requirements. 2. regularly and continuously improve the performance of our products, processes, distribution and operatingsystems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. it is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances (odss). the montreal protocol (1987) and its london amendments (1990) intend to severely restrict the use of odss and forbid their use within the next ten years. various national and international initiatives are pressing for an earlier ban on these substances. vishay semiconductor gmbh has been able to use its policy of continuous improvements to eliminate the use of odss listed in the following documents. 1. annex a, b and list of transitional substances of the montreal protocol and the london amendments respectively 2. class i and ii ozone depleting substances in the clean air act amendments of 1990 by the environmental protection agency (epa) in the usa 3. council decision 88/540/eec and 91/690/eec annex a, b and c (transitional substances) respectively. vishay semiconductor gmbh can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. we reserve the right to make changes to improve technical design and may do so without further notice. parameters can vary in different applications. all operating parameters must be validated for each customer application by the customer. should the buyer use vishay semiconductors products for any unintended or unauthorized application, the buyer shall indemnify vishay semiconductors against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. vishay semiconductor gmbh, p.o.b. 3535, d-74025 heilbronn, germany telephone: 49 (0)7131 67 2831, fax number: 49 (0)7131 67 2423
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
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