 |
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■
Stability to 5% |
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■
Wide resistance range & high accuracy |
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■
Moisture proof & flame retardant |
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RI40 High-resistance Cermet
Resistors |
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★
Standard
▲
GB5729-94(IEC115-1)Fixed resistor used in electronics
equipment part
1: Generic specification
▲
Q/RU236-99Type RI40 cermet
resistor specification
▲
IEC68 Basic environment test procedure
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★
Dimension
(mm)
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Type
|
Resistance
dimension
|
Terminal
dimension
|
|
D
|
L
|
d±0.05
|
l±1
|
|
RI40-0.25
|
2.5
|
7.0
|
0.6
|
28
|
|
RI40-0.5
|
3.9
|
10.5
|
0.7
|
28
|
|
RI40-1
|
5.5
|
14
|
0.8
|
26
|
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RI40-2
|
6.5
|
17
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0.8
|
26
|
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Note：1
the Allowed painted length≤
1.5mm
。
2
0.25W
Red marking at the end of resistor by tolerance code。
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★
Main Specification
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Type
|
Rated
power at
70℃
(W)
|
Resistance
range
(Ω)
|
Resistance
tolerance
±(%)
|
TCR
±(×10-6/℃)
|
Limit
Voltage
(DC or AC effective value)
(V)
|
Insulation
votage
(DC or AC peak value)
(V)
|
|
RI40
|
0.25
|
1.5K~
10M
|
1(F)、5(J)、10(K)
|
500
|
350
|
500
|
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0.5
|
220~
33M
|
5(J)、10(K)
|
500
|
750
|
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1
|
330~
56M
|
700
|
1000
|
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2
|
1K~
100M
|
700
|
1000
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★
Main lnspection ltems,
methods & requirements
|
|
Items
|
Requirement
|
Methods
|
|
TCR
|
±(500×10-6/℃)
|
-55℃
~
125℃
|
|
Endurance
at
70℃
|
±（5%R+0.1Ω）
|
70℃
±
2℃
、VR(或Umax）1000h
|
|
Withstand
voltage
|
Have
no to broke through or fly the arc light
|
V-block，Infliction
exchanges electric voltage, its biggest and worth
for insulate the electric voltage of 1.42 times 1min
|
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Solder
ability
|
Solder
disengagement flow combine Terminal embellish
|
235±
5℃
2±0.5s
|
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Over-load
|
±（1%R+0.05Ω）
|
2.5VR(或2Umax)
5s(0.25 0.5W)15s(Other)
|
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Terminal
strength
|
±（1%R+0.05Ω）
|
Pull
the dint：10N
Twist：2time
Turn round：180°
2time
|
|
Resistance
to soldering heat
|
±（1%R+0.05Ω）
|
350±
10℃
3.5±0.5S
distance
dollar piece corpus：：2+
0.50mm
|
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Fast
temperature change
|
±（1%R+0.05Ω）
|
-55℃
/
125℃
5 Circulation
|
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Vibration
|
±（1%R+0.05Ω）
|
10Hz~500Hz
0.75mm
(或
98m
/s2)6h
|
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Climate
category
|
±（5%R+0.1Ω）
|
Cold
low atmospheric pressure circulation of dry heat
circulation hot and damp( the first circulation) hot
and damp( rest circulation) direct current burthen
|
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Steady
damp-heat
|
±（5%R+0.1Ω）
|
56day,
RH：93～98%
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Endurance
at upper-category temperature
|
±（5%R+0.1Ω）
|
125℃
1000h
|
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Flame
retardant
|
Burn
time
＜10s
|
Flames
method
15s
5time
|
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|
Specification
are
subject to change without notice.
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