Series RXB
Power Wirewound Resistors
Non Flammable
VITROHM
Dimensions
Dimensions(mm)
Type
RXB20
RXB21
RXB22
RXB23
RXB24
Power rating
30W
40W
55W
70W
95W
A
64
83
120
152
184
L1
51
70
108
140
171
L
32
51
89
120
152
W
5
5
5
6
6
Technical Specifications
Type
RXB20
RXB21
RXB22
RXB23
RXB24
Power
rating
30W
40W
55W
70W
95W
Resistors
range
0R1 - 7K5
0R1 - 10K
0R1 - 30K
0R1 - 47K
0R1 - 60K
R
≤
1Ω
±
10% (K)
Resistance
tolerance
R
≥
1Ω
±
5% (J)
-55°C ~
200°C
Operating
temp. range
Power Derating Curve
Characteristics:
Non Flammable, Excellent Heat Resistance, Easy to mount
Characteristics
Power rating load
Test methods
JIS-5202 5-4 hold the resistor horizontally and load the specified
power for 30 minutes
Dielectric
withstanding voltage
Short-time overload
JIS-C-5202 5-5 1000% rated power 5 seconds
JIS-C-5202 5-7 AC1000V 1 minute
No evidence of mechanical damage or insulation
breakdown
No evidence of mechanical damage，
△R≤±（2%R+0.05Ω）
Terminal strength
Solderability
Vibration
Heat resistance
JIS-C-5202 6-1 4.5Kgf 30 seconds
JIS-C-5202 6-5 270℃±10℃，5±0.5s。
JIS-C-5202 6-3 1.5mm 10½55Hz/1minute X,Y,Z 2hours each
JIS-C-5202 7-2 350℃±5℃ 2hours
No evidence of mechanical damage
75% coverage min
No evidence of mechanical damage
No deterioration of protective coatings or markings
△R≤±（2%R+0.05Ω）
Heat shock
JIS-C-5202 7-3 power rating load 30 minutes-- -55℃ 15 minutes
No evidence of mechanical damage，
△R≤±（2%R+0.05Ω）
Load life in humidity
JIS-C-5202 7-9 40℃±2℃，90%½95% 10% rated power load
90 minutes ON 30 minutes OFF 500 hours
No
evidence
of
mechanical
Specifications
Temperature 350℃ max
damage，△R≤±（2%R+0.05Ω）。insulation
resistance 10MΩmin
Load life
JIS-C-5202
7-10 100% rated power load 90 minutes ON 30
No
deterioration
of
protective
coatings
or
minutes OFF 500 hours.
Flame retardant
JIS-C-5202 7-13 100½600% rated power load
markings，△R≤±（5%R+0.05Ω）
No evidence of flaming or arcing
Revision 200809
VITROHM PORTUGUESA, Lda. - Est.Nacional 249-4, Trajouce - 2765-653 S. Domingos de Rana - PORTUGAL
Tel: + 351 214 457 700 -Fax: + 351 214 457 755 -Germany Sales Tel: + 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com - www.vitrohm.com
Series RXB1
Power Wirewound Resistors
Non Flammable
VITROHM
Characteristics:
Non Flammable, Excellent Heat Resistance, Easy to mount
Temperaure Rise Curve
Derating Curve
Technical Specifications:
P
25
Rate
power
40W
65W
90W
180W
Critical
Resistance Range
VOLT
(V)
RXB1-40
RXB1-65
RXB1-90
RXB1-180
0R1 - 6K8
0R1 - 18K
0R1 - 27K
0R1 - 47K
360
960
1400
1900
RES.
(kΩ)
3.2
14
21
20
-50°C to
250°C
Temperature
Range
L
50
90
120
150
L
1
67
107
137
170
Dimensions (mm)
L
2
86
126
156
190
D
(max)
Type
d
(max)
H
5.5×10
5.5×10
5.5×10
6.5×10
37
37
37
59
10
10
10
12
Tol. 5% (< 1R tol. 10% )
Characteristics:
Characteristics
Power rating load
Test methods
JIS-5202 5-4 hold the resistor horizontally and load the specified
power for 30 minutes
Dielectric
withstanding voltage
Short-time overload
JIS-C-5202 5-5 1000% rated power 5 seconds
JIS-C-5202 5-7 AC1000V 1 minute
No evidence of mechanical damage or insulation
breakdown
No evidence of mechanical damage，
△R≤±（2%R+0.05Ω）
Terminal strength
Solderability
Vibration
Heat resistance
JIS-C-5202 6-1 4.5Kgf 30 seconds
JIS-C-5202 6-5 270℃±10℃，5±0.5s。
JIS-C-5202 6-3 1.5mm 10½55Hz/1minute X,Y,Z 2hours each
JIS-C-5202 7-2 350℃±5℃ 2hours
No evidence of mechanical damage
75% coverage min
No evidence of mechanical damage
No deterioration of protective coatings or markings
△R≤±（2%R+0.05Ω）
Heat shock
JIS-C-5202 7-3 power rating load 30 minutes-- -55℃ 15 minutes
No evidence of mechanical damage，
△R≤±（2%R+0.05Ω）
Load life in humidity
JIS-C-5202 7-9 40℃±2℃，90%½95% 10% rated power load
90 minutes ON 30 minutes OFF 500 hours
No
evidence
of
mechanical
Specifications
Temperature 350℃ max
damage，△R≤±（2%R+0.05Ω）。insulation
resistance 10MΩmin
Load life
JIS-C-5202
7-10 100% rated power load 90 minutes ON 30
No
deterioration
of
protective
coatings
or
minutes OFF 500 hours.
Flame retardant
JIS-C-5202 7-13 100½600% rated power load
markings，△R≤±（5%R+0.05Ω）
No evidence of flaming or arcing
Revision 200809
VITROHM PORTUGUESA, Lda. - Est.Nacional 249-4, Trajouce - 2765-653 S. Domingos de Rana - PORTUGAL
Tel: + 351 214 457 700 -Fax: + 351 214 457 755 -Germany Sales Tel: + 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com - www.vitrohm.com
Series RXB2
Power Wirewound Resistors
Non Flammable
1,7
2
3
VITROHM
3
±1
20,5
±2
min.
5
3
108
±1
max.
10
6,3
37,2
±1
8,3
100
150
200
250
RXB2 90W
33R 5% Z
120
±2,2
Temperature Rise Curve
400
Derating Curve
(%)
300
100
80
60
200
100
40
20
20
40
60
80
100
120
(%)
50
300 (ºC)
Technical Specifications:
Type
RXB2-90
P
25
Rate power
90W
Resistance range
0R1 – 27K 5% (<1R 10%)
Critical
VOLT (V)
RES.(kΩ)
1400
21
Temperature range
-50 ºC to 250ºC
Characteristics:
Non Flammable, Excellent Heat Resistance, Easy to mount
Characteristics
Power rating load
Dielectric withstanding voltage
Short-time overload
Terminal strength
Solderability
Vibration
Heat resistance
Heat shock
Load life in humidity
Test methods
JIS-5202 5-4 hold the resistor horizontally and load the
specified power for 30 minutes
JIS-C-5202 5-7 AC1000V 1 minute
JIS-C-5202 5-5 1000% rated power 5 seconds
JIS-C-5202 6-1 4.5Kgf 30 seconds
JIS-C-5202 6-5 270℃±10℃，5±0.5s。
JIS-C-5202 6-3 1.5mm 10½55Hz/1minute X,Y,Z 2hours each
JIS-C-5202 7-2 350℃±5℃ 2hours
JIS-C-5202 7-3 power rating load 30 minutes-- -55℃ 15
minutes
JIS-C-5202 7-9 40℃±2℃，90%½95% 10% rated power load
90 minutes ON 30 minutes OFF 500 hours
Load life
Flame retardant
JIS-C-5202 7-10 100% rated power load 90 minutes ON 30
minutes OFF 500 hours.
JIS-C-5202 7-13 100½600% rated power load
No evidence of mechanical damage or insulation
breakdown
No evidence of mechanical damage，
△R≤±（2%R+0.05Ω）
No evidence of mechanical damage
75% coverage min
No evidence of mechanical damage
No deterioration of protective coatings or
markings
△R≤±（2%R+0.05Ω）
No evidence of mechanical damage，
△R≤±（2%R+0.05Ω）
No evidence of mechanical
damage，△R≤±（2%R+0.05Ω）。insulation
resistance 10MΩmin
No deterioration of protective coatings or
markings，△R≤±（5%R+0.05Ω）
No evidence of flaming or arcing
Specifications
Temperature 350℃ max
VITROHM PORTUGUESA, Lda. – Est. Nacional 249-4, Trajouce – 2765-653 S. Domingos de Rana – PORTUGAL
Tel:+ 351 214 457 700 - Fax:351 214 457 755 – Germany Sales Tel:+ 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com – www.vitrohm.com
Revision 201101
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