■LRG
series
Features
Radial lead metal thin film chip
resistors
(the highest reliability and precision)
・
Most reliable and the highest precision radial read thin film resistor
・
The tightest resistance tolerance: +/-0.01%,the smallest temperature coefficient of
resistance: ±1ppm/°C
Applications
・
Industrial measurement, electrical scales
・
High precision sensors, medical electronics
Resistors with radial leads
◆Part
numbering system
LRG 020
Series code
Size
Temperature coefficient of resistance
L - 1002 - L - T01
Packaging quantity: T01(100pcs)
Resistance tolerance
Nominal resistance value
LRG series
◆Electrical
Specification
Type
Lead
pitch
(mm)
Power
ratings
Temperature
coefficient
of resistance
Resistance range(Ω) Resistance tolerance
±0.01% (L)
±0.02% (P)
±0.05% (W)
±0.5% (D)
Maximum
voltage
Resistance
value series
Operating Packaging
temperature quantity
(ppm/°C)
±1
（K）
LRG020
5.08
0.3W
±2
（L）
±5
（V）
100≦R≦100k
250V
E-24, E-96
-55℃
~ 125℃
100pcs
◆Dimensions
7.9mm max
4.0mm max
8.6mm max
1.1±0.05mm
0.5±0.05mm
0.25±0.05mm
5.08mm min
5.08±0.25mm
49
◆Reliability
specification
Test items
Short time overload
Life (biased)
High temperature high humidity
Temperature shock
High temperature exposure
Resistance to soldering heat
*1
Condition (test methods (MIL-PRF-55342/JIS C5201-1)
*
2.5 x rated voltage,
1
5seconds
*
70℃, rated voltage, 90min on 30min off, 2000hours
1
Standard
±0.05％+0.01Ω
±0.05％+0.01Ω
±0.05％+0.01Ω
±0.05％+0.01Ω
±0.05％+0.01Ω
±0.05％+0.01Ω
85℃, 85%RH, 1/10 of rated power, 90min on 30min off, 2000hours
-65℃ (15min) ∼ 150℃ (15min) 100cycles
155℃, no bias, 1000hours
260±5℃, 10 seconds (reflow)
Rated voltage is given by E=
R x P
E= rated voltage (V), R=nominal resistance value(Ω), P=rated power(W)
If rated voltage exceeds maximum voltage /element, maximum voltage/element is the rated voltage.
◆Reliability
test data
○Biased
life test
1000
800
Resistance drif
（ppm）
600
400
200
0
-200
-400
-600
-800
-1000
10 100 1000 10000
Test duration(h)
LRG020-6.8kΩ
LL70℃_0.3W
Resistors with radial leads
LRG series
◆Derating
Curve
Ratio to rated power (％)
100
50
0
-55
0 50 70 100 155
Ambient temperature (℃)
50
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