Chemical content 74LVC257APW

As a proactive and sustainable company, Nexperia has decided to publish chemical content information of its product portfolio through direct Internet access. With this information, we can provide data to our customers to facilitate any assessment regarding compliance to the RoHS directive and lead-free status. Nexperia has set a standard in the semiconductor business with this detailed level of data, directly retrieved from its general product database. Nexperia products are compliant to the EU Directives RoHS, ELV and the China RoHS. Please see also our Restricted Substances Declaration.

Type numberPackagePackage descriptionTotal product weight
74LVC257APWSOT403-1TSSOP1663.50092 mg
12NCVersionPb-free solderingPb solderingNumber of processing cyclesAssembly siteRHF-indicator
93526068011217126030 s123520 s3Bangkok, Thailand; Suzhou, China; Nijmegen, Netherlands 
93526068011814126030 s123520 s3Suzhou, China; Bangkok, Thailand; Nijmegen, Netherlands 
SubpartMaterial groupSubstancesCAS numberMass(mg)Mass(%) of subpartMass(%) of total product
AdhesiveFillerSilver (Ag)7440-22-40.4005080.100000.63070
PolymerResin systemProprietary0.0995019.900000.15669
DieDoped siliconSilicon (Si)7440-21-30.38994100.000000.61407
Lead Frame MaterialCopper alloyCopper (Cu)7440-50-837.0386097.4700058.32766
Iron (Fe)7439-89-60.912002.400001.43620
Phosphorus (P)7723-14-00.011400.030000.01795
Zinc (Zn)7440-66-60.038000.100000.05984
Mould CompoundAdditiveNon hazardousProprietary1.081004.700001.70234
FillerSilica fused60676-86-018.1700079.0000028.61376
Flame retardantMagnesium Hydroxide (Mg(OH)2)1309-42-81.380006.000002.17320
PigmentCarbon black1333-86-40.046000.200000.07244
Polymer1,4-Bis(methoxymethyl)benzene/phenol copolymer26834-02-60.920004.000001.44880
Non hazardousProprietary0.943004.100001.48502
Tetramethylbiphenyl diglycidyl ether85954-11-60.460002.000000.72440
Pre-PlatingPure metal layerGold (Au)7440-57-50.015001.000000.02362
Nickel (Ni)7440-02-01.4550097.000002.29131
Palladium (Pd)7440-05-30.030002.000000.04724
WirePure metalCopper (Cu)7440-50-80.11097100.000000.17476
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.