2002 Dec 19
2
BCcomponents
Product specification
Professional flat chip resistors
MCS 0402; MCT 0603;
MCU 0805
FEATURES
· Advanced thin film technology
· Advanced dissipation rating: 100 mW for 0603
· Excellent overall stability: Class 0,5
· Green product, supports lead-free soldering.
Case sizes
APPLICATIONS
· Telecommunication
· Medical equipment
· Industrial equipment.
DESCRIPTION
MCS 0402, MCT 0603 and MCU 0805 Professional Thin
Film Flat Chip Resistors are the perfect choice for most
fields of modern professional electronics where reliability
and stability is of major concern. Typical applications
include telecommunication, medical equipment and
high-end computer and audio/video electronics.
Production is strictly controlled and follows an extensive set
of instructions established for reproducibility. A homo-
geneous film of metal alloy is deposited on a super high
grade (96% Al2O3) ceramic substrate 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
cutting a meander groove in the resistive layer without
damaging the ceramics. For the high ohmic range,
optimized Cermet products provide comparable properties.
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. Only
accepted products are laid directly into the paper tape in
accordance with EN 60286-3.
The resistors are suitable for processing on automatic SMD
assembly systems. They are suitable for automatic soldering
using wave, reflow or vapour phase. The encapsulation is
resistant to all cleaning solvents commonly used in the
electronics industry, including alcohols, esters and aqueous
solutions.
The resistors are lead-free, the pure tin plating provides
compatibility with lead-free soldering processes. The
immunity of the plating against tin whisker growth has been
proven under extensive testing. All products comply with
the CEFIC-EECA-EICTA list of legal restrictions on hazardous
substances. Solderability is specified for 2 years after
production or re-qualification. The permitted storage time is
20 years.
The resistors are tested in accordance with
EN 140401-801 (superseding CECC 40401-801) which
refers to EN 60115-1 and EN140400. Approval of
conformity is indicated by the CECC logo on the package
label.
BCcomponents BEYSCHLAG has achieved "Approval of
Manufacturer" in accordance with EN 100114-1. The
release certificate for "Technology Approval Schedule" in
accordance with CECC 240 001 based on EN 100114-6 is
granted for the BCcomponents BEYSCHLAG manufacturing
process.
This product family of thin film flat chip resistors is
completed by Zero Ohm Jumpers.
On request, resistors are available with established
reliability in accordance with CECC 40 401-801 Version E.
Please refer to the special data sheet for information on
failure rate level, available resistance ranges and order
codes.
Imperial:
0402
0603
0805
Metric:
RR 1005M
RR 1608M
RR 2012M
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