Chemical content 74HCT4020BQ-Q100

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Type number	Package	Package description	Total product weight
74HCT4020BQ-Q100	SOT763-1	DHVQFN16	22.07093 mg

12NC	Version	Pb-free soldering			Pb soldering			Number of processing cycles	Assembly site	RHF-indicator
12NC	Version	MSL	PPT	MPPT	MSL	PPT	MPPT	Number of processing cycles	Assembly site	RHF-indicator
935302097115	6	1	260	30 s	1	235	20 s	3	Nijmegen, Netherlands; Bangkok, Thailand; Suzhou, China

Subpart	Material group	Substances	CAS number	Mass(mg)	Mass(%) of subpart	Mass(%) of total product
Adhesive	Additive	Non hazardous	Proprietary	0.00100	1.00000	0.00452
	Filler	Silver (Ag)	7440-22-4	0.07476	75.00000	0.33873
	Polymer	Acrylic resin	Proprietary	0.00598	6.00000	0.02710
		Resin system	Proprietary	0.01794	18.00000	0.08129
		subTotal		0.09968	100.00000	0.45164

Die	Doped silicon	Silicon (Si)	7440-21-3	0.75442	100.00000	3.41816
		subTotal		0.75442	100.00000	3.41816

Lead Frame Material	Copper alloy	Copper (Cu)	7440-50-8	7.97467	97.47000	36.13202
		Iron (Fe)	7439-89-6	0.19636	2.40000	0.88968
		Phosphorus (P)	7723-14-0	0.00245	0.03000	0.01112
		Zinc (Zn)	7440-66-6	0.00818	0.10000	0.03707
		subTotal		8.18167	100.00000	37.06989

Mould Compound	Additive	Non hazardous	Proprietary	0.37116	2.98400	1.68169
	Filler	Silica -amorphous-	7631-86-9	0.43410	3.49000	1.96685
		Silica fused	60676-86-0	10.55031	84.82000	47.80184
	Flame retardant	Flame retardant, organic phosphorus compound	Proprietary	0.12463	1.00200	0.56470
	Pigment	Carbon black	1333-86-4	0.02040	0.16400	0.09243
	Polymer	3,3',5,5'-Tetramethyl-4,4'-dihydroxybiphenyl diglycidyl ether homopolymer	89118-70-7	0.46035	3.70100	2.08577
		Epoxy resin system	Proprietary	0.19727	1.58600	0.89382
		Phenolic resin	Proprietary	0.28024	2.25300	1.26972
		subTotal		12.43847	100.00000	56.35682

Pre-Plating	Pure metal layer	Gold (Au)	7440-57-5	0.01637	3.00000	0.07415
		Nickel (Ni)	7440-02-0	0.50351	92.30000	2.28131
		Palladium (Pd)	7440-05-3	0.01691	3.10000	0.07662
		Silver (Ag)	7440-22-4	0.00873	1.60000	0.03955
		subTotal		0.54551	100.00000	2.47163

Wire	Pure metal	Copper (Cu)	7440-50-8	0.04942	96.55000	0.22391
	Pure metal layer	Gold (Au)	7440-57-5	0.00018	0.35000	0.00081
		Palladium (Pd)	7440-05-3	0.00159	3.10000	0.00719
		subTotal		0.05118	100.00000	0.23191

		total		22.07093	100.00000	100.00000

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.

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.

Restricted substances declaration

The many processes used to manufacture semiconductors are complex and delicate, and require a variety of specialized chemicals and materials. To protect our employees and the environment, we have several programs in place that regulate our use of hazardous chemicals or "substances of concern". In fact, we follow some of the toughest practical standards in the industry.

We carefully monitor our use of substances categorized as restricted, hazardous, or relevant, and have committed, as part of our near-term Sustainability Program, to achieving a 100% reduction of all restricted and hazardous substances that aren’t critical use. We track our usage of chemicals in our company-wide Chemical Management program, which registers and classifies the chemical substances we handle. Any use or emission of restricted or hazardous substances must be covered by internal dispensation, so we are searching for alternatives as quickly as possible.

The Nexperia List of Hazardous Substances in Products and Packaging specifies substances that are not permitted in materials, parts, semi-finished goods and products at levels above our established threshold to ensure that no Nexperia products put on the market contain any substances that are restricted by law or other regulations, including the European Union’s Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment (commonly known as RoHS).

While most substances on this list are not permitted by law, a number of them are not permitted by Nexperia in view of upcoming legislation, their impact on the environment or on health & safety.

The Nexperia List of Hazardous Substances in Products and Packaging also contains a number of Restricted Substances. Use of these substances is allowed, but any use of these substances must be reported above the declaration threshold as specified in this list. Most substances are placed on this list because of health risks in their use and/or processing. Others are placed on this list because they limit recycling, because they are scarce or they have for instance a high environmental impact in mining.