14 / 16 page  2002 Oct 07 14 BCcomponents Product specification Professional leaded resistors MBA 0204; MBB 0207; MBE 0414 stability for product types: STABILITY CLASS 0,5 STABILITY CLASS 1 STABILITY CLASS 2 MBA 0204 1 Ω to 332 kΩ 0,22 Ω to < 1 Ω > 332 k Ω MBB 0207 1 Ω to 1 MΩ 0,22 Ω to < 1 Ω > 1 M Ω MBE 0414 1 Ω to 2,4 MΩ 0,22 Ω to < 1 Ω > 2,4 M Ω 4.25.3 − endurance at upper category temperature 125 °C; 1000 h ±(0,25% + 0,05 Ω) ±(0,5% + 0,05 Ω) ±1% 155 °C; 1000 h ±(0,5% + 0,05 Ω) ±(1% + 0,05 Ω) ±2% 4.24 3 (Ca) damp heat, steady state 40 ±2 °C; 56 days; 93 +2/ −3% RH ±(0,5% + 0,05 Ω) ±(1% + 0,05 Ω) ±2% 4.23 climatic sequence: 4.23.2 2 (Ba) dry heat 155 °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 to 35 °C 4.23.6 30 (Db) damp heat, cyclic 55 °C; 5 days; 95 to 100 % RH; 5 cycles ±(0,5% + 0,05 Ω) no visible damage ±(1% + 0,05 Ω) no visible damage ±2% no visible damage − 1 (Aa) cold −55 °C; 2 h ±(0,1% + 0,01 Ω) ±(0,25% + 0,05 Ω) ±0,5% 4.13 − short time overload room temperature; U = 2,5 × or U = 2 × Umax; 5 s ±(0,1% + 0,01 Ω) no visible damage ±(0,25% + 0,05 Ω) no visible damage ±0,5% no visible damage 4.19 14 (Na) rapid change of temperature 30 minutes at LCT and 30 minutes at UCT; 5cycles ±(0,1 % + 0,01 Ω) no visible damage ±(0,25% + 0,05 Ω) no visible damage ±0,5% 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 ± 1s ±(0,1% + 0,01 Ω) no visible damage ±(0,25% + 0,05 Ω) no visible damage ±0,5% no visible damage 4.17 20 (Ta) solderability +235 °C; 2 s solder bath method good tinning ( ≥ 95% covered); no visible damage IEC 60115-1 CLAUSE IEC 60068-2 TEST METHOD TEST PROCEDURE REQUIREMENTS PERMISSIBLE CHANGE ( ∆R/R) P70 R × |
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