Chemical content BUK7K8R7-40E

Nexperia is committed to being a proactive and sustainable company, which is why chemical content information for our semiconductor products is publicly available from our website. This data serves our customers with the relevant information to assess compliance with national and international legal standards, including EU/CN RoHS, REACH, and California Proposition 65. With this detailed level of data directly retrieved from our product database, Nexperia is sticking to the highest standards in semiconductor industry. Further information is available under Environment.

Type numberPackagePackage descriptionTotal product weight
BUK7K8R7-40ESOT1205LFPAK56D90.30000 mg
12NCVersionPb-free solderingPb solderingNumber of processing cyclesAssembly siteRHF-indicator
934067811115412601260Shanghai, China; Newport, United Kingdom; Dongguan, China; Hsin-chu, Taiwan; Sherman, United States Of America; Cabuyao, Philippines; Manchester, United KingdomLeaded
SubpartMaterial groupSubstancesCAS numberMass(mg)Mass(%) of subpartMass(%) of total product
DieDoped siliconSilicon (Si)7440-21-32.80000100.000003.10078
ClipCopper alloyCopper (Cu)7440-50-813.1736099.8000014.58870
Iron (Fe)7439-89-60.019800.150000.02193
Phosphorus (P)7723-14-00.006600.050000.00731
Lead FrameCopper alloyCopper (Cu)7440-50-835.3292099.8000039.12425
Iron (Fe)7439-89-60.053100.150000.05880
Phosphorus (P)7723-14-00.017700.050000.01960
Mould CompoundAdditiveNon hazardousProprietary0.456401.400000.50543
FillerSilica fused60676-86-023.4720072.0000025.99336
Silica -amorphous-7631-86-92.053806.300002.27442
Flame retardantAntimony Trioxide (Sb2O3)1309-64-40.652002.000000.72204
PigmentCarbon black1333-86-40.097800.300000.10831
Bromophenol/Formaldehyde/Epichlorohydrin polymer68541-56-00.717202.200000.79424
Phenol Formaldehyde resin (generic)9003-35-41.760405.400001.94950
Non hazardousProprietary1.434404.400001.58848
Post-PlatingImpurityNon hazardousProprietary0.000190.010000.00021
Tin alloyTin (Sn)7440-31-51.9298199.990002.13711
Solder PasteLead alloySilver (Ag)7440-22-40.108002.500000.11960
Tin (Sn)7440-31-50.216005.000000.23920
Lead (Pb)7439-92-13.9960092.500004.42525
1 This is a generic description of the substance used as the actual composition of the substances are either considered proprietary or no official CAS number is available. If a CAS number is given, it is the closest match available.
All information in this document is furnished for exploratory or indicative purposes only. All information in this document is believed to be accurate and reliable. However, Nexperia does not give any representations or warranties as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Nexperia may make changes to information published in this document at any time and without notice. Minor deviations may occur in the products from different manufacturing location. This document supersedes and replaces all information supplied prior to the publication hereof. Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights.