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 BUK7237-55A

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Type numberPackagePackage descriptionTotal product weight
BUK7237-55ASOT428DPAK335.26154 mg
12NCVersionPb-free solderingPb solderingNumber of processing cyclesRHF-indicator
MSLPPTMPPTMSLPPTMPPT
93405624611813126030 s126020 s3Leaded
SubpartMaterial groupSubstancesCAS numberMass(mg)Mass(%) of subpartMass(%) of total product
DieDoped siliconSilicon (Si)7440-21-32.30000100.000000.68603
subTotal2.30000100.000000.68603
Lead FrameCopper alloyCopper (Cu)7440-50-8202.2428998.7900060.32392
Iron (Fe)7439-89-60.204720.100000.06106
Nickel (Ni) - cas no. 7440-02-07440-02-02.210981.080000.65948
Phosphorous (P)7723-14-00.061420.030000.01832
subTotal204.72000100.0000061.06278
Mould CompoundFillerSilica fused60676-86-091.8840078.0000027.40666
Flame retardantBromophenol/Formaldehyde/Epichlorohydrin polymer68541-56-01.767001.500000.52705
PigmentCarbon black1333-86-40.471200.400000.14055
PolymerEpichlorohydrin/o-Cresol/Formaldehyde polymer (generic)29690-82-211.308809.600003.37313
Phenol Formaldehyde resin (generic)9003-35-411.191009.500003.33799
subTotal117.80000100.0000034.78538
Post-PlatingPure metalTin (Sn)7440-31-57.29000100.000002.17442
subTotal7.29000100.000002.17442
Solder WireLead alloyLead (Pb)7439-92-11.9728593.500000.58845
Silver (Ag)7440-22-40.031651.500000.00944
Tin (Sn)7440-31-50.105505.000000.03147
subTotal2.11000100.000000.62936
WirePure metalAluminium (Al)7429-90-50.8873799.990000.26468
Nickel (Ni) - cas no. 7440-02-07440-02-00.000090.010000.00003
subTotal0.88746100.000000.26471
WirePure metalAluminium (Al)7429-90-50.1540699.990000.04595
Nickel (Ni) - cas no. 7440-02-07440-02-00.000020.010000.00000
subTotal0.15407100.000000.04595
total335.26154100.00000100.00000
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.