CB Series
Ceramic Housed Wirewound with Axial Leads
Features:
•
•
•
•
•
•
•
Fireproof power wirewound
High thermal conductivity
Different element(resistor) available:
precision / ceramic & metal oxide
Non-inductive styles available
Body standoffs available; add “F” after CB
RoHS compliant / lead-free
Stackpole Electronics, Inc.
Resistive Product Solutions
Electrical Specifications
Type / Code
CB 2
CB 3
CB 5
CB 7
CB 10
CB 15
CB 20
CB 22
CB 25
CB 30
WCB 2
WCB 3
WCB 5
WCB 7
WCB 10
WCB 15
MCB 3
MCB 5
MCB 7
Power Rating
(Watts) @ 70ºC
2
3
5
7
10
15
20
22
25
30
2
3
5
7
10
15
3
5
7
0.5%
-
-
-
-
-
-
-
-
-
-
1 - 5K
1 - 10K
1 - 10K
1 - 15K
1 - 20K
1 - 20K
-
-
-
Ohmic Range(Ω) and Tolerance
1%
5%
-
0.1 - 300
-
0.1 - 680
-
0.1 - 680
-
0.1 - 1.5K
-
0.1 - 2K
-
0.15 - 2K
-
0.2 - 2K
-
1 - 250
-
0.2 - 2K
-
1 - 250
1 - 5K
1 - 5K
1 - 10K
1 - 10K
1 - 10K
1 - 10K
1 - 15K
1 - 15K
1 - 20K
1 - 20K
1 - 20K
1 - 20K
-
1 - 500K
-
1 - 500K
-
1 - 500K
10%
0.1 - 300
0.1 - 680
0.1 - 680
0.1 - 1.5K
0.1 - 2K
0.15 - 2K
0.2 - 2K
1 - 250
0.2 - 2K
1 - 250
-
-
-
-
-
-
-
-
-
Resistance Temperature Coefficient Standard:
CB series: ±800ppm below 1Ω & ±300ppm for 1Ω and above;
WCB series: ±50ppm from 1Ω to 10Ω & ±20ppm above 10Ω;
MCB series: ±200ppm
How to Order
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
CB
Code
Description
CB
Standard
WCB
MCB
CBF
WCBF With standoff
MCBF
NWCB Non inductive
Non inductive
NWCBF
with standoff
2
5
10
20
25
2
Code
3
7
15
22
30
100
5%
Tolerance
0.5%
1%
5%
10%
B
SEI Types
CB 2, CB 3, CB 5, MCB 3, MCB 5
WCB 2, WCB 3, WCB 5
CB 7, CB 10, CB 15, WCB 7,
WCB 10, WCB 15, MCB 7
CB 20, CB 22, CB 25, CB 30
Pkg Qty
750
500
250
100
Description
Code
Bulk
B
Rev Date: 01/28/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
81
www.seielect.com
marketing@seielect.com
CB Series
Ceramic Housed Wirewound with Axial Leads
Stackpole Electronics, Inc.
Resistive Product Solutions
Mechanical Specifications
Type / Code
CB 2
CB 3
CB 5
CB 7
CB 10
CB 15
CB 20
CB 22
CB 25
CB 30
WCB 2
WCB 3 / MCB 3
WCB 5 / MCB 5
WCB 7 / MCB 7
WCB 10
WCB 15
A
0.709 ± 0.039
18 ± 1
0.866 ± 0.039
22 ± 1
0.866 ± 0.039
22 ± 1
1.378 ± 0.039
35 ± 1
1.89 ± 0.039
48 ± 1
1.89 ± 0.039
48 ± 1
2.362 ± 0.039
60 ± 1
2.5 ± 0.039
63.5 ± 1
2.362 ± 0.039
60 ± 1
2.5 ± 0.039
63.5 ± 1
0.7 ± 0.039
17.8 ± 1
0.875 ± 0.039
22.2 ± 1
0.875 ± 0.039
22.2 ± 1
1.4 ± 0.039
35.6 ± 1
1.875 ± 0.039
47.6 ± 1
1.875 ± 0.039
47.6 ± 1
B
0.276 ± 0.039
7±1
0.312 ± 0.039
8±1
0.394 ± 0.039
10 ± 1
0.394 ± 0.039
10 ± 1
0.394 ± 0.039
10 ± 1
0.492 ± 0.039
12.5 ± 1
0.571 ± 0.039
14.5 ± 1
0.5 ± 0.039
12.7 ± 1
0.571 ± 0.039
14.5 ± 1
0.625 ± 0.039
15.9 ± 1
0.245 ± 0.039
6.2 ± 1
0.312 ± 0.039
7.9 ± 1
0.375 ± 0.039
9.5 ± 1
0.375 ± 0.039
9.5 ± 1
0.375 ± 0.039
9.5 ± 1
0.5 ± 0.039
12.7 ± 1
C
0.276 ± 0.039
7±1
0.312 ± 0.039
8±1
0.394 ± 0.039
10 ± 1
0.394 ± 0.039
10 ± 1
0.394 ± 0.039
10 ± 1
0.492 ± 0.039
12.5 ± 1
0.531 ± 0.039
13.5 ± 1
0.5 ± 0.039
12.7 ± 1
0.531 ± 0.039
13.5 ± 1
0.625 ± 0.039
15.9 ± 1
0.255 ± 0.039
6.5 ± 1
0.312 ± 0.039
7.9 ± 1
0.375 ± 0.039
9.5 ± 1
0.375 ± 0.039
9.5 ± 1
0.375 ± 0.039
9.5 ± 1
0.5 ± 0.039
12.7 ± 1
D
0.025 ± 0.039
0.65 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.036 ± 0.039
0.91 ± 1
0.032 ± 0.039
0.81 ± 1
0.036 ± 0.039
0.91 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.032 ± 0.039
0.81 ± 1
0.036 ± 0.039
0.91 ± 1
0.036 ± 0.039
0.91 ± 1
0.036 ± 0.039
0.91 ± 1
E
0.3 ± 0.039
7.6 ± 1
0.375 ± 0.039
9.5 ± 1
0.437 ± 0.039
11.1 ± 1
0.5 ± 0.039
12.7 ± 1
0.5 ± 0.039
12.7 ± 1
0.625 ± 0.039
15.9 ± 1
0.625 ± 0.039
15.9 ± 1
0.625 ± 0.039
15.9 ± 1
0.625 ± 0.039
15.9 ± 1
-
0.3 ± 0.039
7.6 ± 1
0.375 ± 0.039
9.5 ± 1
0.437 ± 0.039
11.1 ± 1
0.5 ± 0.039
12.7 ± 1
0.5 ± 0.039
12.7 ± 1
0.625 ± 0.039
15.9 ± 1
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Rev Date: 01/28/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
82
www.seielect.com
marketing@seielect.com
CB Series
Ceramic Housed Wirewound with Axial Leads
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 +275°C
Test Results
± 5%
± 2%
± 5%
± 2%
± 2%
± 2%
Rev Date: 01/28/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
83
www.seielect.com
marketing@seielect.com
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