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XICON PASSIVE COMPONENTS • (800) 628-0544
Average Lifetime
(60% reliability level)
(Hrs)
Number
of Failures
r (pcs)
Total Testing
Time
T(Hrs)
Load Ratio
P/Pn (%)
Criterion
(%)
Failure Ratio
λCL (60%)
λ
0
20
60
100
Total
Total
±5
±10
ΔR/R
2.984 x 106
2.990 x 106
2.997 x 106
2.992 x 106
1.196 x 107
1.20 x 107
4.098 x 105
5.682 x 105
9.615 x 105
7.194 x 105
7.209 x 105
1.299 x 107
6
4
2
3
15
0
0.201
0.134
0.067
0.100
0.125
0.0055
0.244
0.176
0.104
0.139
0.138
0.0077
Load Life in Moisture
Samples: 1/4 Watt, 100Ω, 1kΩ, 10kΩ, 100kΩ, 150 pieces of each, 600 pieces in total.
Conditions: 40°C in 95% RH 1% hours "ON" and 0.5 hours "OFF" cycling for 5,000 hours with DC voltage given by the following ratios:
RELIABILITY TEST
Charging and Discharging a 2,000 pF Condenser for 100 Cycles.
10
0
−10
−20
−30
Voltage (kV)
a
b
c
1/4 Watt
a: 1.2 M
Ω
b: 33 k
Ω
c: 1 k
Ω
0
2
4
6
8
10
12
14
a
b
c
1/2 Watt
a: 1M
Ω
b: 10 k
Ω
c: 1 k
Ω
10
0
−10
−20
−30
Voltage (kV)
0
2
4
6
8
10
12
14
0
−5
−10
−15
30
50
70
90
100
130
Ambient Temperature (
°C)
1.0
0.5
1/2 Watt 100k
Ω, n = 50
2,500 hours
Load Ratio P/Pn = 1.25
0
0.25
0.75
0
−1
−2
−3
0 100
500
1000
Testing Time (Hrs)
1/4 Watt
1/2 Watt
Under 70
°C 220kΩ
3
2
1
0
−1
0
2
4
6
8
10
12
Time Elasped (Month)
a = 1/4 Watt 100k
Ω
b = 1/4 Watt 1k
Ω
c = 1/2 Watt 1M
Ω
a
b
c
100
75
50
25
0
0.1
0.5 1
5
10
50 100
fxR (Mhz−M
Ω)
a
b
SURGE RESISTANCE CHARACTERISTICS
VARIATION WITH TIME
FREQUENCY CHARACTERISTICS
RELATIONSHIP BETWEEN LOAD
RATIO AND AMBIENT TEMPERATURE
LOAD LIFE (RATED LOAD)
Carbon Composition Resistors
CC Series
XC-600213
Date Revised: 10/18/07
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
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