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■ Safety Certificate
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Stability reaches 5% |
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Wide resistance range & high accuracy |
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Moisture proof & flame retardant |
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RI41High-resistance Cermet Resistors
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★
Standard
▲
GB/T5729(IEC115-1)Fixed resistor used in electronic equipment
1: Generic specification
▲
Q/RU277-2004
(corporation
standard)Type RI41 cenmet resistor"
specification
▲
IEC68Basice environment test procedure
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★ Dimension:
(mm)
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Type
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Resistance
dimension
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Terminal
dimension
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ΦD
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L
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d±0.05
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l±1
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RI41-1W
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4.3
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10．5
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0.7
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29
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RI41-2W
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5.0
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14．0
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0.8
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27
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RI41-3W
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6.5
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17.0
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0.8
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27
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RI41-5W
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9.0
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25.5
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0.8
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33
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1.length of termination coated≤1.5mm.
2.red markingof company on product.
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★
Main Specification
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Type
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Rated
power at 70℃
(W)
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Resistance
range
(Ω)
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Resistance
tolerance
±(%)
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TCR
±(×10-6/℃)
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Limit
Voltage
(DC or AC effective value)
(V)
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Insulation
votage
(DC or AC peak value)
(V)
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RI41
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1
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220~100M
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5(J)、10(K)
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350
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1500
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500
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2
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2000
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700
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3
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2500
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700
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5
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3000
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1000
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★
Main lnspection ltems, methods & requirements
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Items
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Requirement
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Methods
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TCR
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±(350×10-6/℃)
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-55℃~+155℃
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Endurance
at room temperature
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±（2%R+0.1Ω）
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VR(orUmax)240h
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Withstand
voltage
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No
breakage or flashover
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V-black
Method 1.42times
insulation voltage，1min
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Solder
ability
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Good
tinning
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235±5℃
2±0.5s
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Over-load
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±（1%R+0.05Ω）
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2.5VR(or2Umax)
5s
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Terminal
strength
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±（1%R+0.05Ω）
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Tensile
10N
bending 2time，each
direction1time
torsion180°
，2time
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Resistance
to soldering heat
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±（1%R+0.05Ω）
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350±10℃
3.5±0.5S
body away：2+0.50mm
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Fast
temperature change
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±（1%R+0.05Ω）
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-55℃/155℃
cycle 5time
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Vibration
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±（1%R+0.05Ω）
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10Hz~500Hz
0.75mm(or98m/s2)6h
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Climate
category
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±（2%R+0.1Ω）
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Dry
heat，damp
heat first cycle，cold，…..
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Steady
damp-heat
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±（2%R+0.1Ω）
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V=0.1
40±2℃
humidity(90～95)%
day56
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Endurance
at upper-category temperature
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±（2%R+0.1Ω）
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155℃
240h
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Flame
retardant
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Flaming
time<10s
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Flaming
15s 5time
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Voltage
coefficient
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±8%
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10V/100V
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Charge/discharge
test
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±50%
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V=10KV（RI41
5KV）Cd=0.001μF
Period
of puls5s 50time
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Specification are subject to change without notice
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