CB/MCB Series
Ceramic Housed with Axial Leads Power Resistor
Features:
•
•
•
•
•
Stackpole Electronics, Inc.
Resistive Product Solutions
Fireproof power resistor
High thermal conductivity
“M” in MCB stands for Metal Oxide element
Standoffs may be available (CBF, MCBF).
Contact factory for details.
RoHS compliant, lead-free and halogen-free
Electrical Specifications
Type/Code
Power Rating
(Watts) @ 70ºC
2W
Maximum Working
Voltage (V)
250
Maximum Overload
Voltage (V)
500
TCR (ppm/ºC)
(1)
Ohmic Range (Ω) and Tolerance
5%, 10%
0.056 - 0.1
0.12 - 0.2
0.22 - 100
0.1
0.12 - 3
3.3 - 100
0.1 - 0.15
0.18 - 0.68
0.75 - 470
0.39 - 0.51
0.56 - 0.82
0.91 - 470
0.51 - 1
1.1 - 2.7
3 - 680
0.56 - 1
1.3 - 3
3.6 - 820
110 - 51K
110 - 51K
510 - 51K
750 - 51K
910 - 51K
CB2
± 800 ppm/ºC
± 500 ppm/ºC
± 200 ppm/ºC
± 800 ppm/ºC
± 500 ppm/ºC
± 200 ppm/ºC
± 800 ppm/ºC
± 500 ppm/ºC
± 200 ppm/ºC
± 800 ppm/ºC
± 500 ppm/ºC
± 200 ppm/ºC
± 800 ppm/ºC
± 500 ppm/ºC
± 200 ppm/ºC
± 800 ppm/ºC
± 500 ppm/ºC
± 200 ppm/ºC
± 200 ppm/ºC
± 200 ppm/ºC
± 200 ppm/ºC
± 200 ppm/ºC
± 200 ppm/ºC
CB3
3W
300
600
CB5
5W
350
700
CB7
7W
500
1000
CB10
10W
700
1400
CB15
MCB3
MCB5
MCB7
MCB10
15W
3W
5W
7W
10W
700
300
350
500
700
1400
600
700
1000
1400
MCB15
15W
700
1400
(1) Lower TCR may be available for certain values. Contact factory.
100
-55ºC
70ºC
Power Derating Curve:
Percent Rated Power (%)
80
60
40
20
0
-80
MCB
155ºC
CB
275ºC
-40
0
40
80
120
160
200
240
280
320
Ambient Temperature (ºC)
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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CB/MCB Series
Ceramic Housed with Axial Leads Power Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Test
Moisture Resistance
Thermal Shock
Load Life @ 70°C - 1,000 hours
Resistance to Soldering Heat
Short Time Overload - 5xPn for 5 seconds
Dielectric Withstanding Voltage
Operating Temperature Range: -55°C to +155°C for MCB, -55ºC to +275ºC for CB
Test Specification
± 5%
± 2%
± 5%
± 2%
± 2%
± 2%
Mechanical Specifications
Type/Code
CB2
CB3, MCB3
CB5, MCB5
CB7, MCB7
CB10, MCB10
CB15, MCB15
A
Body Length
0.709
18.00
0.866
22.00
0.866
22.00
1.378
35.00
1.890
48.00
1.890
48.00
±
±
±
±
±
±
±
±
±
±
±
±
0.047
1.20
0.047
1.20
0.047
1.20
0.059
1.50
0.059
1.50
0.059
1.50
B
Height
0.252
6.40
0.315
8.00
0.374
9.50
0.374
9.50
0.374
9.50
0.512
13.00
±
±
±
±
±
±
±
±
±
±
±
±
0.047
1.20
0.047
1.20
0.039
1.00
0.039
1.00
0.039
1.00
0.047
1.20
C
Width
0.252
6.40
0.315
8.00
0.374
9.50
0.374
9.50
0.374
9.50
0.512
13.00
±
±
±
±
±
±
±
±
±
±
±
±
0.047
1.20
0.047
1.20
0.039
1.00
0.039
1.00
0.039
1.00
0.047
1.20
D
Lead Diameter
0.031
0.80
0.031
0.80
0.031
0.80
0.031
0.80
0.031
0.80
0.031
0.80
±
±
±
±
±
±
±
±
±
±
±
±
0.004
0.10
0.004
0.10
0.004
0.10
0.004
0.10
0.004
0.10
0.004
0.10
E
(CBF, MCBF
only)
0.299
7.60
0.374
9.50
0.437
11.10
0.500
12.70
0.500
12.70
0.626
15.90
±
±
±
±
±
±
±
±
±
±
±
±
0.039
1.00
0.039
1.00
0.039
1.00
0.039
1.00
0.039
1.00
0.039
1.00
F
Lead Length
1.000
25.40
1.000
25.40
1.000
25.40
1.000
25.40
1.000
25.40
1.000
25.40
min.
min.
min.
min.
min.
min.
min.
min.
min.
min.
min.
min.
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
RoHS Compliance
Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to meet the various
regulatory requirements now prevalent, such as the European Union’s directive regarding “Restrictions on Hazardous Substances”
(RoHS 3). As part of this ongoing program, we periodically update this document with the status regarding the availability of our
compliant components. All our standard part numbers are compliant to EU Directive 2011/65/EU of the European Parliament as
amended by Directive (EU) 2015/863/EU as regards the list of restricted substances.
RoHS Compliance Status
Standard
Product
Series
CB
MCB
Description
Package /
Termination
Type
Axial
Axial
Standard
Series
RoHS
Compliant
YES
YES
Lead-Free Termination
Composition
Lead-Free
Mfg. Effective Date
(Std Product Series)
Jan-06
Jan-06
Lead-Free
Effective Date
Code
(YY/WW)
06/01
06/01
General Purpose Ceramic Housed with
Axial Leads Wirewound Resistor
Ceramic Housed General Purpose
Metal Oxide Element Resistor
100% Matte Sn
100% Matte Sn
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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www.seielect.com
marketing@seielect.com
CB/MCB Series
Ceramic Housed with Axial Leads Power Resistor
“
Conflict Metals” Commitment
Stackpole Electronics, Inc.
Resistive Product Solutions
We at Stackpole Electronics, Inc. are joined with our industry in opposing the use of metals mined in the “conflict region” of the
eastern Democratic Republic of the Congo (DRC) in our products. Recognizing that the supply chain for metals used in the
electronics industry is very complex, we work closely with our own suppliers to verify to the extent possible that the materials and
products we supply do not contain metals sourced from this conflict region. As such, we are in compliance with the requirements of
Dodd-Frank Act regarding Conflict Minerals.
Compliance to “REACH”
We certify that all passive components supplied by Stackpole Electronics, Inc. are SVHC (Substances of Very High Concern) free
and compliant with the requirements of EU Directive 1907/2006/EC, “The Registration, Evaluation, Authorization and Restriction of
Chemicals”, otherwise referred to as REACH. Contact us for complete list of REACH Substance Candidate List.
Environmental Policy
It is the policy of Stackpole Electronics, Inc. (SEI) to protect the environment in all localities in which we operate. We continually
strive to improve our effect on the environment. We observe all applicable laws and regulations regarding the protection of our
environment and all requests related to the environment to which we have agreed. We are committed to the prevention of all forms
of pollution.
How to Order
1
2
3
4
5
6
7
8
9
C
B
2
J
B
1
0
0
R
Product Series
Code
Description
CB
Standard
MCB
Standard (Metal Oxide)
CBF
With standoff
MCBF With standoff (Metal Oxide)
Power
Code
2
3
5
7
10
15
Rating
Power
2W
3W
5W
7W
10W
15W
Tolerance
Code
Tol
J
5%
K
10%
Code
Description
B
Bulk
Packaging
Product Code
CB2, CB5, MCB5
CB3, CB7, CB10,
CB15, MCB3,
MCB7, MCB10,
MCB15
CBF15, MCBF15
Resistance Value
Quantity
1500
1000
912
Four characters with
the multiplier used as
the decimal holder.
"L" used as multiplier
-3
of 10 for any value
under 0.1 ohm
0.056 ohm = 56L0
0.1 ohm = R100
33 ohm = 33R0
3.32 Kohm = 3K32
Rev Date: 06/28/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
www.seielect.com
marketing@seielect.com
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