2002 Sep 24 9
BCcomponents Prod uct spec ification
Thick film flat chip resistors DCS 0402; DCT 0603;
DCU 0805; DCA 1206
TESTS AND REQUIREMENTS
Essentially all tests are carried out in accordance with the
following specificati ons:
IEC 60115-1, Generic specification (includes tests)
IEC 60115-1, Sectional specification (includes schedule
for qualification approval)
The testing also covers most of the requirements specified by
EIA/IS-703 and JIS-C-5202.
The tests are carried out in accordance with IEC 60068 and
under standard atmospheric conditions in accordance with
IEC 60068-1, 5.3. Climatic category LCT/UCT/56 (rated
temperature range: Lower Category Temperature, Upper
Category Tem perat ure ; damp heat, long term, 56 days) is
valid.
Unless oth erwise specifi ed the following values appl y:
Temperature: 15 °C to 35 °C
Relative humidity: 45% to 75%
Air pressure: 86 kPa to 106 kPa (860 mbar to
1 060 mbar).
For testing the components are mounted on a test board in
accordance withIEC 60115-1, 4.31 unless otherwise
specified.
In Table 5 the tests and requirements are listed with
reference to the relevant clauses of IEC 60115-1 and
IEC 60068-2; a short description of the test procedure is also
given.
Table 5 Test procedures and requirements
IEC
60115-1
CLAUSE
IEC
60068-2
TEST
METHOD
TEST PROCEDURE REQUIREMENTS
PERMISSIB LE CHA N GE (∆R/R)
stability for product
types: DCS 0402 −−
DCT 0603 10 Ω to 1 MΩ <10 Ω; >1 MΩ
DCU 0805 10 Ω to 1 MΩ <10 Ω; >1 MΩ
DCA 1206 10 Ω to 1 MΩ <10 Ω; >1 MΩ
4.5 −resistance ±1%; ±5%
4.8.4.2 −temperature
coefficient at 20 / LCT / 20 °C and
20 / UCT / 20 °C -300/+500 ppm/K; ±300 ppm/K;
±200 ppm/K; ±100 ppm/K
4.25.1 −endurance at
70 °CU= or
U = Umax;
1,5 h on; 0,5 h off
70 °C; 1000 h ±(1,5% + 0,1 Ω)±(3% + 0,1 Ω)
4.25.3 −endurance at
upper
category
temperature
125 °C; 1000 h ±(1,5% + 0,1 Ω)±(3% + 0, 1 Ω)
4.24 3 (Ca) damp heat,
steady state 40 ±2°C; 56 days;
93 +2/−3% RH ±(1,5% + 0,1 Ω)±(3% + 0,1 Ω)
P70 R×