PR01, PR02, PR03
Vishay BCcomponents
www.vishay.com
DESCRIPTION
Production is strictly controlled and follows an extensive
set of instructions established for reproducibility.
ASSEMBLY
The resistors are suitable for processing on automatic
insertion equipment and cutting and bending machines.
Excellent solderability is proven, even after extended
storage. They are suitable for automatic soldering using
wave or dipping.
A
homogeneous film of metal alloy is deposited on a high
grade ceramic body and conditioned to achieve the desired
temperature coefficient. Plated steel termination caps are
firmly pressed on the metalized rods. Mostly, a special laser
is used to achieve the target value by smoothly cutting a
helical groove in the resistive layer without damaging the
ceramics. Connecting wires of electrolytic copper plated
with 100 % pure tin are welded to the termination caps.
The resistor elements are covered by a red, non-flammable
lacquer protective coating designed for electrical,
mechanical, and climatic protection. Four or five color code
rings designate the resistance value and tolerance in
accordance with IEC 60062.
The resistors are completely lead (Pb)-free, the pure tin
plating provides compatibility with lead (Pb)-free and
lead-containing soldering processes. The immunity of the
plating against tin whisker growth, in compliance with
IEC 60068-2-82, has been proven under extensive testing.
The encapsulant is resistant to cleaning solvent specified in
IEC 60115-1. The suitability of conformal coatings, if
applied, shall be qualified by appropriate means to ensure
the long-term stability of the whole system.
The result of the determined production is verified by an
extensive testing procedure performed on 100 % of the
individual resistors. Only accepted products are stuck
directly on the adhesive tapes in accordance with
IEC 60286-1 or for the radial versions in accordance to
IEC 60286-2.
RELATED PRODUCTS
For a correlated range of Metal Film Resistors see the
datasheet:
“High Ohmic / High Voltage Metal Film Leaded Resistors”,
www.vishay.com/doc?30260
For product that offers high power dissipation and metal
oxide film technology see the datasheet:
MATERIALS
Vishay acknowledges the following systems for the
regulation of hazardous substances:
“High Power Metal Oxide Leaded Resistors”,
www.vishay.com/doc?20128
• IEC 62474, Material Declaration for Products of and for the
Electrotechnical Industry, with the list of declarable
substances given therein (1)
• The Global Automotive Declarable Substance List
(GADSL) (2)
• The REACH regulation (1907/2006/EC) and the related list
(3)
of substances with very high concern (SVHC)
supply chain
for its
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.
Notes
(1)
The IEC 62474 list of declarable substances is maintained in a dedicated database, which is available at http://std.iec.ch/iec62474
The Global Automotive Declarable Substance List (GADSL) is maintained by the American Chemistry Council, and available at
www.gadsl.org
(2)
(3)
The SVHC list is maintained by the European Chemical Agency (ECHA) and available at http://echa.europa.eu/candidate-list-table
Revision: 11-Jul-2018
Document Number: 28729
4
For technical questions, contact: filmresistorsleaded@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