Datasheet

www.vishay.com For technical questions, contact: [e-mail] Document Number: 28767
78 Revision: 05-Aug-08
MBA/SMA 0204, MBB/SMA 0207, MBE/SMA 0414 - Precision
Vishay Beyschlag
Precision Leaded Resistors
4.24 78 (Cab)
Damp heat,
steady state
(40 ± 2) °C;
56 days;
(93 ± 3) % RH
± (0.05 % R +0.01 Ω) ± (0.1 % R + 0.01 Ω) ± (0.25 % R + 0.05 Ω)
4.23
Climatic
sequence:
4.23.2 2 (Ba) Dry heat 125 °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
± (0.05 % R + 0.01 Ω)
no visible damage
± (0.1 % R + 0.01 Ω)
no visible damage
± (0.25 % R + 0.05 Ω)
no visible damage
4.13 −
Short time
overload
Room temperature;
U = 2.5 x or
U = 2 x U
max.
; 5 s
± (0.01 % R + 0.01 Ω)
no visible damage
± (0.02 % R + 0.01 Ω)
no visible damage
± (0.05 % R +0.01 Ω)
no visible damage
4.19 14 (Na)
Rapid change
of temperature
30 min at LCT and
30 min at UCT;
5cycles
± (0.01 % R + 0.01 Ω)
no visible damage
± (0.02 % R + 0.01 Ω)
no visible damage
± (0.05 % R + 0.01 Ω)
no visible damage
TEST PROCEDURES AND REQUIREMENTS
IEC
60115-1
CLAUSE
IEC
60068-2
TEST
METHOD
TEST PROCEDURE
REQUIREMENTS
PERMISSIBLE CHANGE (ΔR max.)
Stability for product
types:
STABILITY
CLASS 0.05
STABILITY
CLASS 0.1
STABILITY
CLASS 0.25
MBA/SMA 0204 100 Ω to 100 kΩ
43 Ω to < 100 Ω;
> 100 kΩ to 221 kΩ
22 Ω to < 43 Ω;
> 221 kΩ to 332 kΩ
MBB/SMA 0207 100 Ω to 270 kΩ
43 Ω to < 100 Ω;
> 270 kΩ to 510 kΩ
10 Ω to < 43 Ω;
> 510 kΩ to 1 MΩ
MBE/SMA 0414 100 Ω to 470 kΩ
43 Ω to <100 Ω;
> 470 kΩ to 1 MΩ
22 Ω to < 43 Ω;
> 1 MΩ to 1.5 MΩ
P
70
x R