PR01 Datasheet, PDF (14/14 Pages) Vishay Siliconix – Power Metal Film Resistors

PR01/02/03
Vishay BCcomponents
Power Metal Film Resistors
TEST PROCEDURES AND REQUIREMENTS
IEC
60 115-1
CLAUSE
4.16
4.16.2
4.16.3
4.16.4
4.20
4.22
IEC
60 068-2
TEST
METHOD
21 (U)
21 (Ua1)
21 (Ub)
21 (Uc)
29 (Eb)
6 (Fc)
TEST
PROCEDURE
robustness of terminations:
tensile all samples
load 10 N; 10 s
bending half number of samples
load 5 N; 4 × 90°
torsion other half of samples
bump
3 × 360° in opposite directions
3 × 1500 bumps in three directions; 40 g
vibration
frequency 10 to 500 Hz; displacement 1.5 mm
or
acceleration 10 g; three directions; total
6 hours (3 × 2 hours)
REQUIREMENTS
number of failures: < 1 × 10^−6
number of failures: < 1 × 10^−6
no damage ∆R/R max.: ± 0.5 % + 0.05 Ω
no damage ∆R/R max.: ± 0.5 % + 0.05 Ω
no damage
∆R/R max.: ± 0.5 % + 0.05 Ω
4.19
4.23
4.23.3
4.23.6
4.24.2
4.25.1
4.8.4.2
14 (Na)
30 (Db)
30 (Db)
3 (Ca)
rapid change of
temperature
30 minutes at LCT and
30 minutes at UCT; 5 cycles
climatic sequence:
damp heat
(accelerated) 1^st cycle
damp heat
(accelerated)
remaining cycles
damp heat
(steady state) (IEC)
endurance (at 70 °C)
temperature coefficient
6 days; 55 °C; 95 to 98 % RH
56 days; 40 °C; 90 to 95% RH; loaded with
0.01 P_n (IEC steps: 4 to 100 V)
1000 hours; loaded with P_n or V_max;
1.5 hours on and 0.5 hours off
at 20/LCT/20 °C and 20/UCT/20 °C
(TC × 10^−6/K)
no visual damage
PR01: ∆R/R max.: ± 1 % + 0.05 Ω
PR02: ∆R/R max.: ± 1 % + 0.05 Ω
PR03: ∆R/R max.: ± 2 % + 0.05 Ω
R_ins min.: 10³ MΩ
∆R/R max.: ± 3 % + 0.1 Ω
R_ins min.: 1000 MΩ
∆R/R max.: ± 3 % + 0.1 Ω
∆R/R max.: ± 5 % + 0.1 Ω
≤± 250
OTHER TESTS IN ACCORDANCE WITH IEC 60115 CLAUSES AND IEC 60068 TEST METHOD
4.17
20 (Tb)
solderability
(after ageing)
8 hours steam or 16 hours 155 °C; leads
immersed 6 mm for 2 ± 0.5 s in a solder bath
at 235 ± 5 °C
4.6.1.1
see 2^nd amendment to
IEC 60115-1,Jan. ’87
insulation resistance
pulse load
maximum voltage (DC) after 1 minute; metal
block method
good tinning (≥ 95 % covered);
no damage
R_ins min.: 10⁴ MΩ
see Pulse Load Capabilities graphs
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Document Number: 28729
Revision: 24-Feb-04