MCS 0402, MCT 0603, MCU 0805, MCA 1206 - Precision
www.vishay.com
Vishay Beyschlag
Revision: 16-Aug-16
4
Document Number: 28700
For technical questions, contact: thinfilmchip@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
DESCRIPTION
Production is strictly controlled and follows an extensive
set of instructions established for reproducibility. A
homogeneous film of metal alloy is deposited on a high
grade ceramic substrate (Al
2
O
3
) and conditioned to achieve
the desired temperature coefficient. Specially designed
inner contacts are deposited on both sides. A special laser
is used to achieve the target value by smoothly fine trimming
the resistive layer without damaging the ceramics. A further
conditioning is applied in order to stabilize the trimming
result. The resistor elements are covered by a protective
coating designed for electrical, mechanical and climatic
protection. The terminations receive a final pure tin on nickel
plating.
The result of the determined production is verified by an
extensive testing procedure and optical inspection
performed on 100 % of the individual chip resistors. This
includes full screening for the elimination of products with
potential risk of early field failures. Only accepted products
are laid directly into the paper tape in accordance with
IEC 60286-3 Type 1a
(1)
.
ASSEMBLY
The resistors are suitable for processing on automatic SMD
assembly systems and for automatic soldering using wave,
reflow or vapor phase. The encapsulation is resistant to all
cleaning solvents commonly used in the electronics
industry, including alcohols, esters and aqueous solutions.
The suitability of conformal coatings, potting compounds
and their processes, if applied, shall be qualified by
appropriate means to ensure the long-term stability of the
whole system.
The resistors are RoHS-compliant, the pure tin plating
provides compatibility with lead (Pb)-free and
lead-containing soldering processes. Solderability is
specified for 2 years after production or requalification. The
permitted storage time is 20 years. The immunity of the
plating against tin whisker growth has been proven under
extensive testing.
MATERIALS
Vishay acknowledges the following systems for the
regulation of hazardous substances:
• IEC 62474, Material Declaration for Products of and for the
Electrotechnical Industry, with the list of declarable
substances given therein
(2)
• The Global Automotive Declarable Substance List
(GADSL)
(3)
• The REACH regulation (1907/2006/EC) and the related list
of substances with very high concern (SVHC)
(4)
for its
supply chain
The products do not contain any of the banned substances
as per IEC 62474, GADSL, or the SVHC list, see
www.vishay.com/how/leadfree
.
Hence the products fully comply with the following
directives:
• 2000/53/EC End-of-Life Vehicle Directive (ELV) and
Annex II (ELV II)
• 2011/65/EU Restriction of the Use of Hazardous
Substances Directive (RoHS) with amendment
2015/863/EU
• 2012/19/EU Waste Electrical and Electronic Equipment
Directive (WEEE)
Vishay pursues the elimination of conflict minerals from its
supply chain, see the Conflict Minerals Policy at
www.vishay.com/doc?49037.
APPROVALS
The resistors are approved within the IECQ-CECC Quality
Assessment System for Electronic Components to the detail
specification EN 140401-801 which refers to EN 60115-1,
EN 60115-8 and the variety of environmental test
procedures of the IEC 60068
(1)
series.
Conformity is attested by the use of the CECC logo ( ) as
the mark of conformity on the package label.
Vishay Beyschlag has achieved “Approval of
Manufacturer” in accordance with IECQ 03-1. The release
certificate for “Technology Approval Schedule” in
accordance with CECC 240001 based on IECQ 03-3-1 is
granted for the Vishay Beyschlag manufacturing process.
RELATED PRODUCTS
Resistors are available with established reliability in
accordance with EN 140401-801 version E. Please refer to
the special datasheet (www.vishay.com/doc?28744
) for
information on failure rate level, available resistance ranges
and order codes.
For more information about products with higher rated
power and higher operation temperature please refer to the
Professional Thin Film Chip Resistor datasheet
(www.vishay.com/doc?28705
).
Precision chip resistor arrays may be used in voltage
divider applications or precision amplifiers where close
matching between multiple resistors is necessary.
Please refer to the ACAS 0612 - Precision datasheet
(www.vishay.com/doc?28751).
Notes
(1)
The quoted IEC standards are also released as EN standards with the same number and identical contents.
(2)
The IEC 62474 list of declarable substances is maintained in a dedicated database, which is available at http://std.iec.ch/iec62474.
(3)
The Global Automotive Declarable Substance List (GADSL) is maintained by the American Chemistry Council and available at
www.gadsl.org
.
(4)
The SVHC list is maintained by the European Chemical Agency (ECHA) and available at http://echa.europa.eu/candidate-list-table.
