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| Número de pieza | MMU0102 | |
| Descripción | Professional MELF Resistors | |
| Fabricantes | Vishay Intertechnology | |
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MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
Professional MELF Resistors
MMU 0102, MMA 0204 and MMB 0207 professional thin film
MELF resistors are the perfect choice for most fields of
modern professional electronics where reliability and stability
is of major concern. The typical applications in the fields of
automotive, telecommunication and medical equipment
reflect the outstanding level of proven reliability.
FEATURES
• Approved according to EN 140401-803
• Advanced thin film technology
• Excellent overall stability: exceeds Class 0.25
• Force fitted steel caps, tin plated on nickel barrier
• Pure Sn termination on Ni barrier layer
• Compatible with lead (Pb)-free and lead containing
soldering processes
• Lead (Pb)-free and RoHS compliant
APPLICATIONS
• Automotive
• Telecommunication
• Industrial
• Medical equipment.
METRIC SIZE
DIN:
0102
CECC:
RC 2211M
0204
RC 3715M
0207
RC 6123M
TECHNICAL SPECIFICATIONS
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DESCRIPTION
MMU 0102
CECC size
RC 2211M
Resistance range
0.22 Ω to 2.21 MΩ
Resistance tolerance
± 5 %; ± 2 %; ± 1 %; ± 0.5 %
MMA 0204
RC 3715M
0.22 Ω to 10 MΩ
± 5 %; ± 1 %; ± 0.5 %
MMB 0207
RC 6123M
0.1 Ω to 15 MΩ
± 5 %; ± 2 %; ± 1 %; ± 0.5 %
Temperature coefficient
Operation mode
Climatic category (LCT/UCT/days)
Rated dissipation, P701)
Operating voltage, Umax AC/DC
Film temperature3)
Max. resistance change at P70
for resistance range,
|ΔR/R| max., after:
1000 h
8000 h
225 000 h
± 50 ppm/K; ± 25 ppm/K
standard
power
55/125/56
55/155/56
0.2 W
0.3 W
150 V
125 °C
155 °C
standard
power
55/125/56
55/155/56
0.25 W
0.4 W
200 V
125 °C
155 °C
0.22 Ω to 221 kΩ
0.22 Ω to 332 kΩ
≤ 0.15 %
≤ 0.3 %
≤1%
≤ 0.25 %
≤ 0.5 %
-
≤ 0.15 %
≤ 0.3 %
≤1%
≤ 0.25 %
≤ 0.5 %
-
± 100 ppm/K; ± 50 ppm/K;
± 25 ppm/K
standard
power
55/125/56
55/155/56
0.4 W
1.0 W2)
300 V
125 °C
155 °C
0.22 Ω to 1 MΩ
≤ 0.15 %
≤ 0.3 %
≤1%
≤ 0.25 %
≤ 0.5 %
-
Permissible voltage
against ambient (insulation):
1 minute; Uins
continuous
Failure rate
200 V
75 V
≤ 2 x 10-9/h
300 V
75 V
≤ 0.7 x 10-9/h
500 V
75 V
≤ 0.7 x 10-9/h
Note: These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift increasing over
operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a functional lifetime.
1) The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heatflow support of the
printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is not exceeded. Furthermore, a
high level of ambient temperature or of power dissipation may raise the temperature of the solder joint, hence special solder alloys or board
materials may be required to maintain the reliability of the assembly.
2) Specified power rating requires dedicated heat-sink pads.
3) Film temperatures above the specified range may be permissible, e.g. 175 °C. Please contact the factory for details.
www.vishay.com
12
For technical questions contact: [email protected]
Document Number: 28713
Revision: 18-Jul-06
1 page  
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
Professional MELF Resistors
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 (85 % Al2O3, for MICRO-MELF: 96 % Al2O3)
and conditioned to achieve the desired temperature
coefficient. Nickel 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. 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.
Four or five colour code rings designate the resistance value
and tolerance in accordance with IEC 60062*.
The result of the determined production is verified by an
extensive testing procedure performed on 100 % of the
individual resistors. Only accepted products are laid directly
into the blister tape in accordance with IEC 60286-3* or bulk
case in accordance with IEC 60286-6*.
ASSEMBLY
The resistors are suitable for processing on automatic
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SMD assembly systems. They are suitable for automatic
soldering using wave, reflow or vapour phase as shown in
IEC 61760-1*. Excellent solderability is proven, even after
extended storage in excess of 10 years. The encapsulation
is resistant to all cleaning solvents commonly used in the
electronics industry, including alcohols, esters and aqueous
solutions.The resistors are completely lead (Pb)-free, the
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.
All products comply with the GADSL1) and the CEFIC-
EECA-EICTA2) list of legal restrictions on hazardous
substances. This includes full compliance with the following
directives:
• 2000/53/ECEnd of Vehicle life Directive (ELV) and Annex II
(ELV II)
• 2002/95/EC Restriction of the use of Hazardous
Substances Directive (RoHS)
• 2002/96/EC Waste Electrical and Electronic Equipment
Directive (WEEE)
1) Global Automotive Declarable Substance List, see www.gadsl.org
2) CEFIC (European Chemical Industry Council), EECA (European
Electronic Component Manufacturers Association), EICTA
(European trade organisation representing the information and
communications technology and consumer electronics), see
www.eicta.org -> issues -> environment policy -> chemicals ->
chemicals for electronics
APPROVALS
The resistors are tested in accordance with EN 140401-803
(superseding CECC 40401-803) which refers to
EN 60115-1, EN 140400 and the variety of enviromental test
procedures of the IEC 60068* series. Approval of conformity
is indicated by the CECC logo on the package label.
Vishay BEYSCHLAG has achieved "Approval of
Manufacturer" in accordance with IEC QC 001002-3,
clause 2. The release certificate for "Technology Approval
Schedule" in accordance with CECC 240001 based on
IEC QC 001002-3, clause 6 is granted for the Vishay
BEYSCHLAG manufacturing process.
SPECIALS
This product family of thin film MELF resistors is completed
by Zero Ohm Jumpers.
On request, resistors are available with established reliability
in accordance with EN 140401-803 Version E. Please refer
to the special data sheet for information on failure rate level,
available resistance ranges and ordering codes.
Note:
* The quoted IEC standards are also released as EN standards with
the same number and identical contents.
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16
For technical questions contact: [email protected]
Document Number: 28713
Revision: 18-Jul-06
5 Page 
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
Professional MELF Resistors
TEST PROCEDURES AND REQUIREMENTS
EN
60115-1
CLAUSE
IEC
60068-2*
TEST
METHOD
TEST
PROCEDURE
STABILITY CLASS
0.25
OR BETTER
REQUIREMENTS
PERMISSIBLE CHANGE (ΔR)
STABILITY
CLASS 0.5
OR BETTER
STABILITY CLASS
1
OR BETTER
STABILITY
CLASS 2
OR BETTER
stability for product
types:
MMU 0102 10 Ω to 221kΩ
1Ω to < 10 Ω
<1Ω
MMA 0204 10 Ω to 332 kΩ
1Ω to < 10 Ω
<1Ω
MMB 0207 10 Ω to 1 MΩ
1Ω to < 10 Ω
<1Ω
4.37 - periodic elec- U = 15 × P70 × R
tric overload; ≤ 2 x Umax;
standard oper- 0.1 s on; 2.5 s off;
ation mode
1000 cycles
± (0.5 % R + 5 mΩ)
periodic elec-
tric overload;
power opera-
± (1 % R + 5 mΩ)
> 221 kΩ
> 332 kΩ
> 1 MΩ
4.22 6 (Fc) vibration endurance by
sweeping; 10 to
2000 Hz; no
resonance;
amplitude
≤ 1.5 mm or
≤ 200 m/s2; 6 h
± (0.05 % R + 5 mΩ)
± (0.1 % R + 5 mΩ)
4.40
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- electrostatic IEC 61340-3-1*;
discharge
3 pos. + 3 neg.
(Human
discharges
Body Model) MMU 0102: 1.5 kV
MMA 0204: 2 kV
MMB 0207: 4 kV
± (0.5 % R + 50 mΩ)
4.17.2
58 (Td) solderability
solder bath method;
SnPb40;
non-activated flux;
(215 ± 3) °C;
(3 ± 0.3) s
solder bath method;
SnAg3Cu0,5 or
SnAg3,5;
non-activated flux;
(235 ± 3) °C;
(2 ± 0.2) s
good tinning (≥ 95 % covered); no visible damage
good tinning (≥ 95 % covered); no visible damage
4.18.2
4.29
4.30
58 (Td)
45 (XA)
45 (XA)
resistance to
soldering heat
component
solvent
solvent
resistance of
marking
solder bath method; ± (0.05 % R + 10 mΩ) ± (0.1 % R + 10 mΩ) ± (0.25 % R + 10 mΩ) ± (0.25 % R + 10 mΩ)
(260 ± 5) °C;
(10 ±1) s
reflow method 2
(IR/forced gas
convection);
(260 ± 5) °C;
(10 ±1) s
± (0.02 % R + 10 mΩ) ± (0.05 % R + 10 mΩ) ± (0.05 % R + 10 mΩ) ± (0.1 % R + 10 mΩ)
isopropyl alcohol;
50 °C; method 2
no visible damage
isopropyl alcohol;
50 °C; method 1,
toothbrush
marking legible;
no visible damage
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22
For technical questions contact: [email protected]
Document Number: 28713
Revision: 18-Jul-06
11 Page | ||
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| PDF Descargar | [ Datasheet MMU0102.PDF ] | |
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