High Frequency Thin Film Leaded Resistors
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158 Revision: 16-Oct-09
MBA/SMA 0204 HF
Vishay Beyschlag
MBA/SMA 0204 HF leaded thin film resistors for RF
applications are the perfect choice in high frequency circuit
designs; where the impedance change due to the parasitic
inductance of regular and professional resistors can not
be accepted. Typical applications are in the fields of
telecommunication equipment and industrial electronics.
APPLICATIONS
•Telecommunication equipment
•Industrial electronics
FEATURES
•Speciality product for RF applications
•Low-inductance non-helical trimmed product
•Suitable for more than 3 GHz
•Resistance range: 1.5 Ω to 470 Ω
•Lead (Pb)-free solder contacts
•Pure tin plating provides compatibility with lead (Pb)-free
and lead containing soldering processes
•Compliant to RoHS directive 2002/95/EC
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.
METRIC SIZE
DIN 0204
CECC A
TECHNICAL SPECIFICATIONS
DESCRIPTION MBA/SMA 0204 HF
CECC Size A
Resistance Range 1.5 Ω to 470 Ω
Resistance Tolerance ± 1 %; ± 2 %
Temperature Coefficient ± 50 ppm/K
Operation Mode Long term Standard
Climatic Category (LCT/UCT/Days) 55/125/56 55/155/56
Rated Dissipation, P70 0.25 W 0.4 W
Operating Voltage, Umax. AC/DC Limited by P70
Film Temperature 125 °C 155 °C
Max. Resistance Change at P70
for Resistance Range, ΔR/R max., After: 1.5 Ωto 470 Ω
1000 h ≤ 0.25 % ≤ 0.5 %
8000 h ≤ 0.5 % ≤ 1.0 %
225 000 h ≤ 1.5 % -
Permissible Voltage Against Ambient:
1 Minute; Uins 300 V
Continuous 75 V
Failure Rate ≤ 0.7 x 10- 9/h
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MBA/SMA 0204 HF
High Frequency Thin Film Leaded Resistors Vishay Beyschlag
Notes
(1) Please refer to table PACKAGING for complete information
• The PART NUMBER shown above is to facilitate the unified part numbering system for ordering products
DIMENSIONS
Note
(2) Resistance values to be selected for ± 1 % from the E24/E96 series and for ± 2 % from E24 series
PART NUMBER AND PRODUCT DESCRIPTION
PART NUMBER: MBA0204AC5109GCT00
MODEL/SIZE VARIANT TCR/MATERIAL VALUE TOLERANCE PACKAGING (1) SPECIAL
MBA0204 = MBA/SMA 0204 A = HF High
Frequency
C = 50 ppm 3 digit value
1 digit multiplier
MULTIPLIER
8 = *10- 2
9 = *10- 1
0 = *100
F = ± 1.0 %
G = ± 2.0 %
CT
C1
RP
00 = Standard
PRODUCT DESCRIPTION: MBA/SMA 0204-50 2 % HF CT 51R0
MBA/SMA 0204 - 50 2 % HF CT 51R0
MODEL/SIZE TCR TOLERANCE VARIANT PACKAGING (1) RESISTANCE
VALUE
MBA/SMA 0204 50 ppm ± 1.0 %
± 2.0 %
HF CT
C1
RP
51R0 = 51 Ω
PACKAGING
MODEL REEL BOX
PIECES CODE PIECES CODE
MBA/SMA 0204 5000 RP 1000
5000 C1
CT
DIMENSIONS - leaded resistor types, mass and relevant physical dimensions
TYPE Dmax.
(mm)
Lmax.
(mm)
dnom.
(mm)
Imin.
(mm)
Mmin.
(mm)
MASS
(mg)
MBA/SMA 0204 HF 1.6 3.6 0.5 29.0 5.0 125
TEMPERATURE COEFFICIENT AND RESISTANCE RANGE
DESCRIPTION RESISTANCE VALUE (2)
TCR TOLERANCE MBA/SMA 0204 HF
± 50 ppm/K ± 1 %; ± 2 % 1.5 Ω to 470 Ω; 50 Ω
L
d
D
IIM
04AC 10950 C00AMB 2 G T
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MBA/SMA 0204 HF
Vishay Beyschlag High Frequency Thin Film Leaded 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) 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 low-inductivity non-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 resistors are covered by protective
coating designed for electrical, mechanical and climatic
protection.The terminations receive a final pure tin on nickel
plating. Four colour code rings designate the resistance
value and tolerance in accordance with IEC 60062.
Additional black dots near the 3rd colour ring identify the
special HF product.
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.
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. 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 and
lead-containing soldering processes. The immunity of the
plating against tin whisker growth has been proven under
extensive testing. All products comply with GADSL (1) and
the CEFIC-EECA-EICTA (2) list of legal restrictions on
hazardous substances. This includes full compatibility with
the following directives:
•2000/53/EC End of Vehicle Life Directive (ELV) and
Annex II (ELVII)
•2002/95/EC Restriction of the use of Hazardous
Substances Directive (RoHS)
•2002/96/EC Waste Electrical and Electrical Equipment
Directive (WEEE)
APPROVALS
Where applicable, the resistors are tested in accordance with
CECC 40101-806 which refers to EN 60115-1 and
EN 140100.
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.
Notes
(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/index.php?id=1053&id_article=340
FUNCTIONAL PERFORMANCE
°C
100 150
0
- 50 0 5 0
0. 5
1
W
70
Ambient Temperature amb
ϑ
Power Dissipation
P
MBA/SMA 0204 HF
Derating - Standard Operation
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MBA/SMA 0204 HF
High Frequency Thin Film Leaded Resistors Vishay Beyschlag
°C
100 150
0
- 50 0 5 0
0. 5
1
W
70
Ambient Temperature amb
ϑ
Power Dissipation
P
MBA/SMA 0204 HF
Rise of the Surface Temperature
0.80.6 0.7
0
0 0.4 W
40
K
60
0.2
20
0.1 0.3 0.5
80
Load
P
Temperature Rise
T
r
MBA/SMA 0204 HF
Temperature Rise
|Z|/R for MBA/SMA 0204 HF
.,
470 Ω
220 Ω
100 Ω
50 Ω
27 Ω
6.8 Ω
0.5
Frequency
f
IZI/R
0.1 0.3 10 20
GHz
1.0
1.5
2.0
RF - Behaviour
1
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MBA/SMA 0204 HF
Vishay Beyschlag High Frequency Thin Film Leaded Resistors
TESTS AND REQUIREMENTS
Essentially all tests are carried out in accordance with the
following specifications:
EN 60115-1, generic specification (includes tests)
EN 140100, sectional specification (includes schedule for
qualification approval)
CECC 40101-806, detail specification (includes schedule for
conformance inspection)
The following table contains the applicable tests selected
from the documents listed above.
The tests are carried out in accordance with IEC 60068-xx
test method and under standard atmospheric conditions in
accordance with IEC 60068-1, 5.3. Climatic category
LCT/UCT/56 (rated temperature range: Lower Category
Temperature, Upper Category Temperature; damp heat,
long term, 56 days) is valid.
Unless otherwise specified the following values apply:
Temperature: 15 °C to 35 °C
Relative humidity: 45 % to 75 %
Air pressure: 86 kPa to 106 kPa (860 mbar to 1060 mbar).
For testing the components are mounted on a test board in
accordance with IEC 60115-1, 4.31 unless otherwise
specified.
In the Test Procedures and Requirements table only the
tests and requirements are listed with reference to the
relevant clauses of IEC 60115-1 and IEC 60068-2 test
methods. A short description of the test procedure is also
given.
TEST PROCEDURES AND REQUIREMENTS
IEC
60115-1
CLAUSE
IEC
60068-2-xx
TEST
METHOD
TEST PROCEDURE REQUIREMENTS
PERMISSIBLE CHANGE (ΔR max.)
Stability for product types:
MBA/SMA 0204 HF 1.5 Ω to 470 Ω
4.5 - Resistance ± 1 %; ± 2 %
4.8 - Temperature
coefficient
At (20/LCT/20) °C and
(20/UCT/20) °C± 50 ppm/K
4.25.1
-Endurance at
70 °C: standard
operation mode
U= or
U = Umax.;
1.5 h ON; 0,5 h OFF
70 °C; 1000 h ± (0.5 % R+ 0.05 Ω)
70 °C; 8000 h ± (1 % R+0.1 Ω)
-Endurance at
70 °C: long term
operation mode
U= or
U = Umax.;
1.5 h ON; 0.5 h OFF
70 °C; 1000 h ± (0.25 % R+ 0.05 Ω)
70 °C; 8000 h ± (0.5 % R+ 0.05 Ω)
4.25.3 -
Endurance at
upper category
temperature
125 °C; 1000 h ± (0.25 % R+ 0.05 Ω)
155 °C; 1000 h ± (0.5 % R+ 0.05 Ω)
4.24 78 (Cab) Damp heat,
steady state
(40 ± 2)°C; 56 days;
(93 ± 3) % RH ± (0.5 % R+ 0.05 Ω)
4.23 Climatic
sequence:
4.23.2 2 (Ba) Dry heat 155 °C; 16 h
4.23.3 30 (Db) Damp heat,
cyclic
55 °C; 24 h; 90 % to 100 % RH;
1 cycle
4.23.4 1 (Aa) Cold - 55 °C; 2 h
4.23.5 13 (M) Low air pressure 8.5 kPa; 2 h; 15 °C to 35 °C
4.23.6 30 (Db) Damp heat,
cyclic
55 °C; 5 days;
95 % to 100 % RH; 5 cycles
± (0.5 % R+ 0.05 Ω)
no visible damage
- 1 (Aa) Cold - 55 °C; 2 h ± (0.1 % R+ 0.01 Ω)
P70 x R
P70 x R
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MBA/SMA 0204 HF
High Frequency Thin Film Leaded Resistors Vishay Beyschlag
12NC INFORMATION FOR HISTORICAL CODING REFERENCE
Last Digit of 12NC Indicating Resistance Decade Ordering Example (For historical coding reference of
MBA 0204 HF)
The ordering code of a MBA 0204 HF resistor, value 51 Ω
and TCR 50 with ± 2 % tolerance, supplied on bandolier
ammopack, in a box units is: 2312 908 05109.
4.13 - Short time
overload
Room temperature;
U= 2.5 x or
U = 2 x Umax.; 5 s
± (0.1 % R+ 0.01 Ω)
no visible damage
4.19 14 (Na) Rapid change of
temperature
30 min at LCT and
30 min at UCT; 5 cycles
± (0.1 % R+ 0.01 Ω)
no visible damage
4.29 45 (XA)
Component
solvent
resistance
Isopropyl alcohol + 23 °C;
toothbrush method
marking legible;
no visible damage
4.18.2 20 (Tb) Resistance to
soldering heat
Unmounted components;
(260 ± 3) °C; (10 ± 1) s
± (0.1 % R+ 0.01 Ω)
no visible damage
4.17 20 (Ta) Solderability
+ 235 °C; 2 s
solder bath method;
SnPb40 Good tinning (≥ 95 % R covered);
no visible damage
+ 245 °C; 3 s
solder bath method;
SnAg3Cu0.5
4.22 6 (B4) Vibration 6 h; 10 Hz to 2000 Hz 1.5 mm
or 196 m/s2± (0.1 % R + 0.01 Ω)
4.16
21 (Ua1)
21 (Ub)
21 (Uc)
Robustness of
terminations Tensile, bending and torsion ± (0.1 % R+0.01 Ω);
no visible damage
4.7 - Voltage proof URMS = Uins; 60 s No flashover or breakdown
TEST PROCEDURES AND REQUIREMENTS
IEC
60115-1
CLAUSE
IEC
60068-2-xx
TEST
METHOD
TEST PROCEDURE REQUIREMENTS
PERMISSIBLE CHANGE (ΔR max.)
Stability for product types:
MBA/SMA 0204 HF 1.5 Ω to 470 Ω
P70 x R
RESISTANCE DECADE LAST DIGIT
1 Ω to 9.99 Ω8
10 Ω to 99.9 Ω9
100 Ω to 999 Ω1
12NC CODE FOR HISTORICAL CODING REFERENCE OF MBA 0204 HF
DESCRIPTION
2312 ... .....
BANDOLIER IN BOX
AMMOPACK
TYPE TCR TOL.
C1
1000
units
CT
5000
units
MBA 0204 HF ± 50 ppm/K ± 2 % 903 0.... 908 0....
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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