 |
■
small size |
|
■
Stability reaches 5% |
|
■
Excellent temperature characteristic,wide resistance
range, high accuracy |
|
RY21S Ultra Mini Size Metal
Oxide film Resistor |
|
|
★
Standard
▲
GB5729-94(IEC115-1)Fixed resistor used in electronic
equipment part
1: Generic specification
▲
Q/RU264-2003 Type RY21S Ultra mini size metal film Resistor
specification
▲
IEC68 Basic environment test procedure
|
|
|
★
Dimension
(mm)
|
|
Type
|
Resistor
dimension max
|
Terminal
dimension
|
|
D
|
L
|
d±0.05
|
l±2
|
|
RY21S-1W
|
2.5
|
7.0
|
0.6
|
28
|
|
RY21S-2W
|
3.9
|
10.5
|
|
|
★
Main Specification
|
|
Type
|
Rated
power at
70℃
(W)
|
Resistance
range
(Ω)
|
Resistance
tolerance
±(%)
|
TCR
±(×10-6/℃)
|
Limit
voltage
(DC or AC effective value)
(V)
|
Insulation
voltage
(DC or AC peak value)
(V)
|
|
RY21S-1W
|
1
|
1~
10M
|
1(F)、2(G)、5(J)
|
100、250
|
250
|
350
|
|
RY21S-2W
|
2
|
1~
10M
|
1(F)、2(G)、5(J)
|
100、250
|
350
|
500
|
|
|
★
Main lnspection ltems, methods & requirements
|
|
Items
|
Requirements
|
Methods
|
|
TCR
|
(±100、±250、±250)×10-6/℃
|
-55℃
~
125℃
|
|
Endurance
at
70℃
|
±5%
|
70℃
±
2℃
、VR(
or Umax）1000h
|
|
Withstand
voltage
|
no
broke down or flashover
|
V-block
Infliction exchanges electric voltage, its biggest
and worth for insulate the electric voltage of 1.42
times 1min
|
|
Solder
ability
|
Solder
disengagement flow combine Terminal embellish
|
235±
5℃
2±0.5s
|
|
Over-load
|
±（1%R+0.05Ω）
|
2.5VR(
or 2Umax)
5s
|
|
Terminal
strength
|
±（0.5%R+0.05Ω）
|
Pull
the dint：
10N
Twist: Continue 2 time,
each direction is 1 time
Turn round: 1800
2
time
|
|
Resistance
to soldering heat
|
±（0.5%R+0.05Ω）
|
260±
50℃
10±1S
distance
dollar piece corpus：2+
0.50mm
|
|
Fast
temperature change
|
±（0.5%R+0.05Ω）
|
-55℃
/
125℃
5 Circulation
|
|
Vibration
|
±（0.5%R+0.05Ω）
|
10Hz~500Hz
0.75mm
( or
98m
/s2)6h
|
|
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
|
|
Steady
damp-heat
|
±（5%R+0.1Ω）
|
56day，RH：93～98%
|
|
Endurance
at upper-category temperature
|
±（5%R+0.1Ω）
|
125℃
1000h
|
|
|
Specification
are
subject to change without notice.
|
