RMB 查看數據表（PDF） - Vishay Semiconductors
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RMB Datasheet PDF : 2 Pages
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RMB, RMBS
Vishay Sfernice
Molded Precision Wirewound Resistors
Axial Leads
FEATURES
• 0.75 W to 3 W at 25 °C
• NF C 83-210
• CECC 40201-005
• Low temperature coefficient ≤ ± 50 ppm/°C
RoHS
COMPLIANT
• Low ohmic values 15 mΩ available
• Excellent behavior against humidity
• Electrical insulation
• Mechanical strength
• Accurate sizes
• Termination = Sn/Ag/Cu or pure matte tin according to the
ohmic value
High stability and low temperature coefficient are the main features of the precision wirewound resistors type RMB RMBS models
just as maintenance parts. Their performances can be compared with those of the best film resistors but they have in addition a
greater power rating. RMBS styles meet the more severe requirements of NF C 83-210 (all RMBS styles are approved) and
characteristic U of MIL-R-26 E (approximate size of RW 70 and 79 resistors) specifications. The two models RMB and RMBS
have a similar construction. RMBS are submitted, in addition to a process which further increases the stability. On request,
non-inductive resistors are available under the reference RMB NI.
DIMENSIONS in millimeters
25 min.
A
25 min.
ØE
ØB
SERIES
AND STYLE
A max.
Ø B max.
E ± 0.1
Weight in g
RMB 0.75
RMBS 0.5
7
2.5
0.6
0.3
RMB 1.5
RMBS 1
10.2
4
0.6
0.7
RMB 3
RMBS 2
16.2
6.4
0.8
1.5
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE SERIES AND STYLE
RMB 0.75
NF C 83-210
CECC 40201-005
Power
Rating
Ohmic Range
in Relation
to Tolerance
at 25 °C
at 70 °C
± 5 % E24
± 2 % E48
± 1 % E96
± 0.5 % E96
-
-
0.75 W
0.6 W
0.1 Ω
2 kΩ
0.1 Ω
2 kΩ
0.1 Ω
2 kΩ
0.4 Ω
2 kΩ
± 0.1 %
Qualified Ohmic Range
NF C 83-210
Limiting Element Voltage
Critical Resistance
-
not applicable
Undergoes European Quality Insurance System (CECC)
RMB 1.5
RMB 3
RMBS 0.5
-
-
1.5 W
1.2 W
0.1 Ω
6.81 kΩ
0.1 Ω
6.81 kΩ
0.1 Ω
6.81 kΩ
0.4 Ω
6.81 kΩ
-
120 V
-
RP1
-
A
3W
0.5 W
2.4 W
0.4 W
0.051 Ω
13 kΩ
0.1 Ω
2 kΩ
0.08 Ω
12.3 kΩ
0.1 Ω
2 kΩ
0.1 Ω
12.4 kΩ
0.1 Ω
2 kΩ
0.3 Ω
12.4 kΩ
0.4 Ω
2 kΩ
Please consult
VISHAY SFERNICE
-
1Ω
174 Ω
200 V
not applicable
out of nominal ohmic range
RMBS 1
RP2
B
1W
0.8 W
0.1 Ω
6.81 kΩ
0.1 Ω
6.81 kΩ
0.1 Ω
6.81 kΩ
0.4 Ω
6.81 kΩ
1Ω
590 Ω
120 V
RMBS 2
RP3
C
2W
1.6 W
0.015 Ω
13 kΩ
0.078 Ω
12.4 kΩ
0.1 Ω
12.4 kΩ
0.3 Ω
12.4 kΩ
1Ω
1.3 kΩ
200 V
www.vishay.com
44
For technical questions, contact: sfer@vishay.com
Document Number: 50010
Revision: 21-Jan-08
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