Bipolar transistors

Diodes

ESD protection, TVS, filtering and signal conditioning

MOSFETs

SiC MOSFETs

GaN FETs

IGBTs

Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)

Chemical content 74HCT238DB

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Type numberPackagePackage descriptionTotal product weight
74HCT238DBSOT338-1SSOP16126.88154 mg
12NCVersionPb-free solderingPb solderingNumber of processing cyclesRHF-indicator
MSLPPTMPPTMSLPPTMPPT
93518926011810126030 s124020 s3Leaded
93518926011210126030 s124020 s3Leaded
SubpartMaterial groupSubstancesCAS numberMass(mg)Mass(%) of subpartMass(%) of total product
AdhesiveFillerSilver (Ag)7440-22-47.5000075.000005.91103
PolymerResin systemProprietary2.5000025.000001.97034
subTotal10.00000100.000007.88137
DieDoped siliconSilicon (Si)7440-21-30.33243100.000000.26200
subTotal0.33243100.000000.26200
Lead Frame MaterialCopper alloyCopper (Cu)7440-50-847.8772697.4700037.73383
Iron (Fe)7439-89-61.178882.400000.92912
Phosphorous (P)7723-14-00.014740.030000.01161
Zinc (Zn)7440-66-60.049120.100000.03871
subTotal49.12000100.0000038.71327
Mould CompoundFillerMisc. Silica compounds (generic)14808-60-750.2500075.0000039.60387
Flame retardantAntimony Trioxide (Sb2O3) - cas no. 1309-64-41309-64-41.474002.200001.16171
Misc. Bromine compounds (generic)7726-95-61.072001.600000.84488
PolymerEpoxy resin systemProprietary14.2040021.2000011.19469
subTotal67.00000100.0000052.80515
Pre-PlatingPure metal layerGold (Au)7440-57-50.002001.000000.00158
Nickel (Ni) - cas no. 7440-02-07440-02-00.1940097.000000.15290
Palladium (Pd)7440-05-30.004002.000000.00315
subTotal0.20000100.000000.15763
WirePure metalGold (Au)7440-57-50.2268299.000000.17876
Palladium (Pd)7440-05-30.002291.000000.00181
subTotal0.22911100.000000.18057
total126.88154100.00000100.00000
Note(s):
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.
Disclaimer
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.