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Document Number: 28713
Revision: 18-Jul-06
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
Professional MELF Resistors
4.37
-
periodic elec-
tric overload;
standard oper-
ation mode
periodic elec-
tric overload;
power opera-
U
=
≤
2 x
U
max
;
0.1 s on; 2.5 s off;
1000 cycles
± (0.5 %
R
+ 5 m
Ω
)
± (1 %
R
+ 5 m
Ω
)
4.22
6 (Fc)
vibration
endurance by
sweeping; 10 to
2000 Hz; no
resonance;
amplitude
≤
1.5 mm or
≤
200 m/s
2
; 6 h
± (0.05 %
R
+ 5 m
Ω
)
± (0.1 %
R
+ 5 m
Ω
)
4.40
-
electrostatic
discharge
(Human
Body Model)
IEC 61340-3-1*;
3 pos. + 3 neg.
discharges
MMU 0102: 1.5 kV
MMA 0204: 2 kV
MMB 0207: 4 kV
± (0.5 %
R
+ 50 m
Ω
)
4.17.2
58 (Td)
solderability
solder bath method;
SnPb40;
non-activated flux;
(215 ± 3) °C;
(3 ± 0.3) s
good tinning (
≥
95 % covered); no visible damage
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
4.18.2
58 (Td)
resistance to
soldering heat
solder bath method;
(260 ± 5) °C;
(10 ±1) s
± (0.05 %
R
+ 10 m
Ω
) ± (0.1 %
R
+ 10 m
Ω
) ± (0.25 %
R
+ 10 m
Ω
) ± (0.25 %
R
+ 10 m
Ω
)
reflow method 2
(IR/forced gas
convection);
(260 ± 5) °C;
(10 ±1) s
± (0.02 %
R
+ 10 m
Ω
) ± (0.05 %
R
+ 10 m
Ω
) ± (0.05 %
R
+ 10 m
Ω
) ± (0.1 %
R
+ 10 m
Ω
)
4.29
45 (XA)
component
solvent
solvent
resistance of
marking
isopropyl alcohol;
50 °C; method 2
isopropyl alcohol;
50 °C; method 1,
toothbrush
no visible damage
4.30
45 (XA)
marking legible;
no visible damage
TEST PROCEDURES AND REQUIREMENTS
EN
60115-1
CLAUSE
IEC
60068-2*
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
PERMISSIBLE CHANGE (
Δ
R
)
STABILITY
CLASS 0.5
OR BETTER
STABILITY CLASS
0.25
OR BETTER
STABILITY CLASS
1
OR BETTER
STABILITY
CLASS 2
OR BETTER
stability for product
types:
MMU 0102
MMA 0204
MMB 0207
15
×
10
Ω
to 221k
Ω
10
Ω
to 332 k
Ω
10
Ω
to 1 M
Ω
1
Ω
to < 10
Ω
1
Ω
to < 10
Ω
1
Ω
to < 10
Ω
< 1
Ω
< 1
Ω
< 1
Ω
> 221 k
Ω
> 332 k
Ω
> 1 M
Ω
P
70
R
×