www.vishay.com For technical questions contact: ff3dresistors@vishay.com Document Number: 28752
10 Revision: 14-Dec-04
PR01S/PR02S/PR03S
Vishay BCcomponents Power Metal Film Resistors
4.29 45 (Xa) component solvent
resistance
isopropyl alcohol or H2O
followed by brushing
in accordance with “MIL 202 F”
no visual damage
4.17 20 (Ta) solderability 2 s; 235 °C good tinning; no damage
4.7 voltage proof on
insulation
maximum voltage 500 V (RMS)
during 1 minute; metal block method
no breakdown or flashover
4.16 21 (U)
robustness of terminations:
4.16.2 21 (Ua1) tensile all samples load 10 N; 10 s number of failures: < 1 ×10−6
4.16.3 21 (Ub)
bending half number of samples
load 5 N; 4 ×90°number of failures: < 1 ×10−6
4.16.4 21 (Uc)
torsion other half of samples
3×360° in opposite directions
no damage
Δ
R/R max.:
±
0.5 % + 0.05
Ω
4.20 29 (Eb) bump 3 ×1500 bumps in three directions; 40 g
no damage
Δ
R/R max.:
±
0.5 % + 0.05
Ω
4.22 6 (Fc) vibration frequency 10 to 500 Hz; displacement 1.5 mm
or
acceleration 10 g; three directions; total
6 hours (3 ×2 hours)
no damage
ΔR/R max.: ± 0.5 % + 0.05 Ω
4.19 14 (Na) rapid change of
temperature
30 minutes at LCT and
30 minutes at UCT; 5 cycles
no visual damage
PR01S: ΔR/R max.: ± 1 % + 0.05 Ω
PR02S: ΔR/R max.: ± 1 % + 0.05 Ω
PR03S: ΔR/R max.: ± 2 % + 0.05 Ω
4.23 climatic sequence:
4.23.3 30 (Db) damp heat
(accelerated) 1st cycle
4.23.6 30 (Db) damp heat
(accelerated)
remaining cycles
6days;55°C; 95 to 98 % RH Rins min.: 103MΩ
ΔR/R max.: ± 3 % + 0.1 Ω
4.24.2 3 (Ca) damp heat
(steady state) (IEC)
56 days; 40 °C; 90 to 95% RH; loaded with
0.01 Pn (IEC steps: 4 to 100 V)
Rins min.: 1000 MΩ
ΔR/R max.: ± 3 % + 0.1 Ω
4.25.1 endurance (at 70 °C) 1000 hours; loaded with Pn or Vmax;
1.5 hours on and 0.5 hours off
ΔR/R max.: ± 5 % + 0.1 Ω
4.8.4.2
temperature coefficient
at 20/LCT/20 °C and 20/UCT/20 °C
(TC ×10−6/K)
≤± 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
good tinning (≥ 95 % covered);
no damage
4.6.1.1 insulation resistance maximum voltage (DC) after 1 minute; metal
block method
Rins min.: 104MΩ
see 2nd amendment to
IEC 60115-1,Jan. ’87
pulse load see Pulse Load Capabilities graphs
TEST PROCEDURES AND REQUIREMENTS
IEC
60115-1
CLAUSE
IEC
60068-2
TEST
METHOD
TEST PROCEDURE REQUIREMENTS