UXA 0204, UXB 0207, UXE 0414

Vishay Beyschlag

High Precision Leaded Resistors

TEST PROCEDURES AND REQUIREMENTS

IEC 60115-1CLAUSE

IEC60068-2TESTMETHOD

TEST

PROCEDURE

REQUIREMENTS

PERMISSIBLE CHANGE (ΔR)

Stability for product

types:

UXA 0204UXB 0207UXE 0414

endurance at

upper category temperaturedamp heat,steady stateclimatic sequence:

2 (Ba)

dry heatdamp heat, cyclic

coldlow air pressuredamp heat, cyclic

125°C; 16h 55°C; 24h;90% to100%RH;

1 cycle

- 55 °C; 2h8.5kPa;2h;15 °Cto35°C55°C; 5days;95% to100%RH;

5 cyclesroom temperature;U= 2.5 x 70 orU = 2xmax; 5 s30minutes at LCT and30minutes at UCT;

5cyclesisopropyl alcohol + 23 °C; toothbrush

methodunmounted components; (260± 5)°C; (10± 1)s+ 235°C; 2 s solder

bath method

± (0.04 %R +0.01 Ω)no visible damage

± (0.05 %R +0.01Ω)no visible damage

± (0.06 %R +0.01Ω)no visible damage

100 Ω to 100 kΩ100 Ω to 250 kΩ100 Ω to 100 kΩ

22Ω to < 100Ω;> 100 kΩ to 221 kΩ 40.2Ω to < 100 Ω;> 250kΩ to 301 kΩ22Ω to < 100 Ω;> 100kΩ to 511 kΩ

-10Ω to < 40.2 Ω;> 301 kΩ to 1 MΩ

-

4.25.3-125°C; 1000 h± (0.04 % R+0.01Ω)± (0.06 %R +0.01Ω)± (0.08 %R +0.01Ω)

4.243 (Ca)

(40± 2)°C; 56days; (93 ± 3) %RH

± (0.04 %R +0.01Ω)± (0.05 %R +0.01Ω)± (0.06 %R +0.01Ω)

4.234.23.2

4.23.330 (Db)

4.23.44.23.5

1 (Aa)13 (M)

4.23.630 (Db)

4.13-

short time overload± (0.01 %R +0.01Ω)no visible damage± (0.01 %R +0.01Ω)no visible damage± (0.02 %R +0.01Ω)no visible damage

4.1914 (Na)

rapid change of temperaturecomponent solvent resistance

± (0.01 %R +0.01Ω)no visible damage± (0.01 %R +0.01Ω)no visible damage± (0.02 % R +0.01Ω)no visible damage

4.2945 (XA)

marking legible;no visible damage

4.18.220 (Tb)

resistance to soldering heat± (0.01 % R +0.01Ω)no visible damage± (0.01 %R +0.01Ω)no visible damage± (0.02 %R +0.01Ω)no visible damage

4.1720 (Ta)solderabilitygood tinning ( 95 % coverage, no visible damage)

90

Document Number: 28726

Revision: 21-Aug-07