CB/MCB Series
Ceramic Housed with Axial Leads Wirewound Resistor
Features:
Stackpole Electronics, Inc.
Resistive Product Solutions
•
•
•
•
Fireproof power wirewound
High thermal conductivity
Standoffs may be available (CBF, MCBF).
Contact factory for details.
RoHS compliant / lead-free
Electrical Specifications
Type / Code
CB2
CB3
CB5
CB7
CB10
CB15
MCB3
MCB5
MCB7
MCB10
MCB15
Power Rating
(Watts) @ 70ºC
2W
3W
5W
7W
10W
15W
3W
5W
7W
10W
15W
Maximum Working
Voltage (V)
250
300
350
500
700
700
300
350
500
700
700
Maximum Overload
Voltage (V)
500
600
700
1000
1400
1400
600
700
1000
1400
1400
Ohmic Range ( ) and Tolerance
5%
0.056 - 100
0.1 - 100
0.1 - 470
0.39 - 470
0.56 - 680
0.56 - 820
110 - 51K
110 - 51K
510 - 51K
750 - 51K
910 - 51K
10%
0.056 - 100
0.1 - 100
0.1 - 470
0.39 - 470
0.56 - 680
0.56 - 820
110 - 51K
110 - 51K
510 - 51K
750 - 51K
910 - 51K
Mechanical Specifications
Type / Code
CB2, MCB2
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
1.378
35.00
1.378
35.00
1.378
35.00
1.378
35.00
1.378
35.00
1.378
35.00
±
±
±
±
±
±
±
±
±
±
±
±
0.118
3.00
0.118
3.00
0.118
3.00
0.118
3.00
0.118
3.00
0.118
3.00
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Rev Date: 11/08/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
CB/MCB Series
Ceramic Housed with Axial Leads Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Test
Moisture Resistance
Thermal Shock
Load Life @ 70°C - 1,000 hrs.
Resistance to Soldering Heat
Short Time Overload - 5xPn for 5sec
Dielectric Withstanding Voltage
Operating Temperature Range: -55°C to +155°C for MCB, -55ºC to +275ºC for CB
Test Results
± 5%
± 2%
± 5%
± 2%
± 2%
± 2%
Power Derating Curve:
Percent Rated Power (%)
100
80
60
40
20
0
-80
-55ºC
70ºC
MCB
155ºC
CB
275ºC
-40
0
40
80
120
160
200
Ambient Temperature (ºC)
240
280
320
How to Order
1
2
3
4
5
6
7
8
9
C
B
2
J
B
1
0
0
R
Product Series
CB
MCB
CBF
MCBF
Standard
With standoff
Code
2
3
5
7
10
15
Power
2W
3W
5W
7W
10W
15W
Tolerance
Tol
Code
5%
J
10%
K
Code
B
Description
Bulk
Packaging
Size
2, 3, 5
7, 10, 15
Resistance Value
Quantity
750
250
For characters with
"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: 11/08/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
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