30BJ250-1K Datasheet, PDF (2/3 Pages) List of Unclassifed Manufacturers – Carbon Composition Resistors

Carbon Composition Resistors
SURGE RESISTANCE CHARACTERISTICS
Charging and Discharging a 2,000 pF Condenser for 100 Cycles.
10
0
−10
−20
−30
0
a
b
1/4 Watt
a: 1.2 MΩ
c
b: 33 kΩ
c: 1 kΩ
2 4 6 8 10 12 14
Voltage (kV)
RELATIONSHIP BETWEEN LOAD
RATIO AND AMBIENT TEMPERATURE
10
0
−10
−20
−30
0
1/2 Watt
a: 1MΩ
b: 10 kΩ
c: 1 kΩ
a
b
c
2 4 6 8 10 12 14
Voltage (kV)
CC Series
0
−1
−2
Under 70°C 220kΩ
−3
1/4 Watt
1/2 Watt
0 100
500
Testing Time (Hrs)
1000
LOAD LIFE (RATED LOAD)
3 _{a = 1/4 Watt 100kΩ}
b = 1/4 Watt 1kΩ
2 ^{c = 1/2 Watt 1MΩ}
1
a
bc
0
−1
0
2
4
6
8
10 12
Time Elasped (Month)
VARIATION WITH TIME
FREQUENCY CHARACTERISTICS
0
−5 ^{Load Ratio P/Pn = 1.25}
1.0 _0.75
0
0.25
0.5
−10
1/2 Watt 100kΩ, n = 50
2,500 hours
−15
30 50 70 90 100 130
Ambient Temperature (°C)
100
75
50
25
0
0.1
a
b
0.5 1
5 10
fxR (Mhz−MΩ)
50 100
RELIABILITY TEST
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:
Criterion
(%)
ΔR/R
±5
±10
Load Ratio
P/Pn (%)
0
20
60
100
Total
Total
Total Testing
Time
T(Hrs)
2.984 x 10⁶
2.990 x 10⁶
2.997 x 10⁶
2.992 x 10⁶
1.196 x 10⁷
1.20 x 10⁷
Number
of Failures
r (pcs)
6
4
2
3
15
0
Failure Ratio
λ
0.201
0.134
0.067
0.100
0.125
0.0055
λCL (60%)
0.244
0.176
0.104
0.139
0.138
0.0077
Average Lifetime
(60% reliability level)
(Hrs)
4.098 x 10⁵
5.682 x 10⁵
9.615 x 10⁵
7.194 x 10⁵
7.209 x 10⁵
1.299 x 10⁷
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
XC-600213
XICON PASSIVE COMPONENTS • [phone]
Date Revised: 10/18/07