UMA0204 Datasheet, PDF (6/8 Pages) Vishay Siliconix – Ultra Precision MELF Resistor

UMA 0204
Vishay Beyschlag
Ultra Precision MELF Resistor
TEST PROCEDURES AND REQUIREMENTS - continued
EN
60 115-1
CLAUSE
IEC
60 068-2
TEST
METHOD
TEST
PROCEDURE
stability for product types:
REQUIREMENTS
PERMISSIBLE CHANGE (∆R/R)
STABILITY
CLASS 0.05
OR BETTER
STABILITY
CLASS 0.1
OR BETTER
STABILITY
CLASS 0.25
OR BETTER
4.39
4.23
4.23.2
4.23.3
4.23.4
4.23.5
4.23.6
−
4.19
67 (Cy)
2 (Ba)
30 (Db)
1 (Aa)
13 (M)
30 (Db)
1 (Aa)
14 (Na)
damp heat, steady
state, accelerated
climatic sequence:
dry heat
damp heat, cyclic
cold
low air pressure
damp heat, cyclic
cold
rapid change of
temperature
UMA 0204 100 Ω to 100 kΩ
(85 ± 2) °C;
(85 ± 5) % RH;
U = 0.1 × P ₇₀ × R ≤ 100 V;
1000 h
± (0.1 %R + 1 mΩ)
43 Ω to 221 kΩ 22 Ω to 332 kΩ
± (0.25 %R + 1 mΩ)
UCT; 16 h
55 °C; 24 h; ≥ 90 % RH; 1 cycle
LCT °C; 2 h
8.5 kPa; 2 h; (25 ± 10) °C
55 °C; 24 h; ≥ 90 % RH; 5 cycles
LCT = −10 °C; UCT = 85 °C
± (0.03 %R + 1 mΩ) ± (0.05 %R + 1 mΩ)
-
LCT = −55 °C; UCT = 125 °C
-
-
± (0.1 %R + 1 mΩ)
−55 °C; 2 h
30 minutes at LCT;
30 minutes at UCT;
LCT = −10 °C;
UCT = 85 °C
± (0.02 %R + 1 mΩ)
4.13
−
4.27
−
4.37
−
5 cycles
1000 cycles
LCT = −55 °C; UCT = 125 °C
5 cycles
1000 cycles
short time overload;
precision operation
mode
short time overload;
standard operation
mode
single pulse high
U = 2.5 × P ₇₀ × R ≤ 2 × U_max;
5s
U = 2,5 × P ₇₀ × R ≤ 2 × U_max;
5s
severity no. 4:
voltage overload;
standard mode
U = 10 × P ₇₀ × R ≤ 2 × U_max;
10 pulses 10 µs/700 µs
periodic electric
overload;
U = 15 × P ₇₀ × R ≤ 2 × U_max;
0.1 s on; 2.5 s off; 1000 cycles
standard mode
± (0.01 %R + 1 mΩ) ± (0.02 %R + 1 mΩ)
-
± (0.05 %R + 1 mΩ) ± (0.05 %R + 1 mΩ)
-
-
-
± (0.025 %R + 1 mΩ)
-
-
± (0.1 %R + 1 mΩ)
± (0.005 %R + 1 mΩ)
± (0.01 %R + 1 mΩ)
± (0.01 %R + 1 mΩ)
± (0.25 %R + 5 mΩ) ⁽¹⁾
± (0.5 %R + 5 mΩ) ⁽¹⁾
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Document Number: 28715
Revision: 25-Feb-04