Datasheet

Document Number: 28766 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 28-Aug-07 31
MBA/SMA 0204, MBB/SMA 0207, MBE/SMA 0414 - Professional
Professional Leaded Resistors
Vishay Beyschlag
- 1 (Aa) cold - 55 °C; 2 h ± (0.1 % R + 0.01 Ω) ± (0.25 % R + 0.05 Ω) ± 0.5 % R
4.13 -
short time
overload
room temperature;
U = 2.5 x or
U = 2 x U
max
; 5 s
± (0.1 % R + 0.01 Ω)
no visible
damage
± (0.25 % R + 0.05 Ω)
no visible
damage
± 0.5 % R
no visible
damage
4.19 14 (Na)
rapid change of
temperature
30 minutes at LCT and
30 minutes at UCT;
5cycles
± (0.1 % R + 0.01 Ω)
no visible
damage
± (0.25 % R + 0.05 Ω)
no visible
damage
± 0.5 % R
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 ± 5) °C;
(10 ± 1) s
± (0.1 % R + 0.01 Ω)
no visible
damage
± (0.25 % R +0.05 Ω)
no visible
damage
± 0.5 % R
no visible
damage
4.17 20 (Ta) solderability
+ 235 °C; 2 s
solder bath method
good tinning (> 95 %
covered, no visible
damage)
4.22 6 (B4) vibration
6 h; 10 Hz to 2000 Hz
1.5 mm or 196 m/s
2
± (0.1 % R + 0.01 Ω) ± (0.25 % R +0.05 Ω) ± 0.5 % R
4.16
21 (Ua
1
)
21 (Ub)
21 (Uc)
robustness of
terminations
tensile, bending and
torsion
± (0.1 % R + 0.01 Ω) ± (0.25 % R +0.05 Ω) ± 0.5 % R
4.7 - voltage proof U
RMS
= 100 V; 60 s no flashover or breakdown
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 0.5
STABILITY
CLASS 1
STABILITY
CLASS 2
MBA/SMA 0204 1 Ω to 332 kΩ 0.22 Ω to < 1 Ω > 332 kΩ
MBB/SMA 0207 1 Ω to 1 MΩ 0.22 Ω to < 1 Ω > 1 MΩ
MBE/SMA 0414 1 Ω to 2.4 MΩ 0.22 Ω to < 1 Ω > 2.4 MΩ
P
70
x R