MBA/SMA 0204 VG06, MBB/SMA 0207 VG06, MBE/SMA 0414 VG06
Leaded Metal Film Resistors with Established Reliability
Vishay Beyschlag
Document Number: 28768 For technical questions, contact: specialresistors@vishay.com
www.vishay.com
Revision: 28-Jun-12 63
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
DIMENSIONS
Note
• Color code marking is applied according to IEC 60062
(3)
in five bands. Each color band appears as a single solid line, voids are permissible if
at least
2
/
3
of the band is visible from each radial angle of view. The last color band for tolerance is approximately 50 % wider than the other
bands. Zero ohm jumpers are marked with one centered black color band. An interrupted violet band between the 1
st
and 2
nd
full band indicates
the failure rate level E7. An interrupted orange band between the 4
th
and 5
th
full band indicates the temperature coefficient of 15 ppm/K.
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 body (Al
2
O
3
) and conditioned to achieve the desired
temperature coefficient. Plated steel termination caps are
firmly pressed on the metallised rods. 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 light blue protective coating
designed for electrical, mechanical and climatic protection.
Five colour code rings designate the resistance value and
tolerance in accordance with IEC 60062
(3)
.
The result of the determined production is verified by an
extensive testing procedure performed on 100 % of the
individual resistors. For IECQ-CECC approved products, this
includes pulse load screening for the elimination of products
with a potential risk of early life failures according to
EN 140101-806, 2.1.2.2 (feasible for R 10 ). Only
accepted products are stuck directly on the adhesive tapes
in accordance with IEC 60286-1
(3)
. Products within a
package unit are from the same production lot and carry the
same date code.
ASSEMBLY
The resistors are suitable for processing on lead forming and
cropping equipment and automatic insertion machines. They
are suitable for automatic wave or reflow soldering, including
miniature wave selective soldering. Solderability is specified
for 2 years after production or requalification, however, the
permitted storage time is 20 years.
The resistors are completely lead (Pb)-free, the fused pure
tin plating provides compatibility with lead (Pb)-free soldering
processes. The immunity of the plating against tin whisker
growth has been proven under extensive testing.
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, if applied, shall be qualified by
appropriate means to ensure the long-term stability of the
whole system.
All products comply with the GADSL
(1)
and the
CEFIC-EECA-EICTA
(2)
list of legal restrictions on
hazardous substances. This includes full compliance with
the following directives:
2000/53/EC End of Vehicle Life Directive (ELV) and
Annex II (ELVII)
2011/65/EU Restriction of the use of Hazardous
Substances Directive (RoHS)
2002/96/EC Waste Electrical and Electrical Equipment
Directive (WEEE)
DIMENSIONS AND MASS
TYPE
D
max.
(mm)
L
max.
(mm)
I
min.
(mm)
d
nom.
(mm)
M
min.
(mm)
MASS
(mg)
MBA/SMA 0204 VG06 1.6 3.6 29 0.5 5 125
MBB/SMA 0207 VG06 2.5 6.3 28 0.6 10 220
MBE/SMA 0414 VG06 4.0 11.9 31 0.8 15 700
