Rev Date: 11/08/2012 1 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
CB
/MCB
Series
Ceramic Housed with Axial Leads Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
CB2 2W 250 500 0.056 - 100 0.056 - 100
CB3 3W 300 600 0.1 - 100 0.1 - 100
CB5 5W 350 700 0.1 - 470 0.1 - 470
CB7 7W 500 1000 0.39 - 470 0.39 - 470
CB10 10W 700 1400 0.56 - 680 0.56 - 680
CB15 15W 700 1400 0.56 - 820 0.56 - 820
MCB3 3W 300 600 110 - 51K 110 - 51K
MCB5 5W 350 700 110 - 51K 110 - 51K
MCB7 7W 500 1000 510 - 51K 510 - 51K
MCB10 10W 700 1400 750 - 51K 750 - 51K
MCB15 15W 700 1400 910 - 51K 910 - 51K
Type / Code
Power Rating
(Watts) @ 70ºC
Ohmic Range (Ω) and Tolerance
5% 10%
Maximum Working
Voltage (V)
Maximum Overload
Voltage (V)
0.709 ± 0.047 0.252 ± 0.047 0.252 ± 0.047 0.031 ± 0.004 0.299 ± 0.039 1.378 ± 0.118 inches
18.00 ± 1.20 6.40 ± 1.20 6.40 ± 1.20 0.80 ± 0.10 7.60 ± 1.00 35.00 ± 3.00 mm
0.866 ± 0.047 0.315 ± 0.047 0.315 ± 0.047 0.031 ± 0.004 0.374 ± 0.039 1.378 ± 0.118 inches
22.00 ± 1.20 8.00 ± 1.20 8.00 ± 1.20 0.80 ± 0.10 9.50 ± 1.00 35.00 ± 3.00 mm
0.866 ± 0.047 0.374 ± 0.039 0.374 ± 0.039 0.031 ± 0.004 0.437 ± 0.039 1.378 ± 0.118 inches
22.00 ± 1.20 9.50 ± 1.00 9.50 ± 1.00 0.80 ± 0.10 11.10 ± 1.00 35.00 ± 3.00 mm
1.378 ± 0.059 0.374 ± 0.039 0.374 ± 0.039 0.031 ± 0.004 0.500 ± 0.039 1.378 ± 0.118 inches
35.00 ± 1.50 9.50 ± 1.00 9.50 ± 1.00 0.80 ± 0.10 12.70 ± 1.00 35.00 ± 3.00 mm
1.890 ± 0.059 0.374 ± 0.039 0.374 ± 0.039 0.031 ± 0.004 0.500 ± 0.039 1.378 ± 0.118 inches
48.00 ± 1.50 9.50 ± 1.00 9.50 ± 1.00 0.80 ± 0.10 12.70 ± 1.00 35.00 ± 3.00 mm
1.890 ± 0.059 0.512 ± 0.047 0.512 ± 0.047 0.031 ± 0.004 0.626 ± 0.039 1.378 ± 0.118 inches
48.00 ± 1.50 13.00 ± 1.20 13.00 ± 1.20 0.80 ± 0.10 15.90 ± 1.00 35.00 ± 3.00 mm
CB10, MCB10
CB15, MCB15
CB5, MCB5
CB2, MCB2
CB3, MCB3
CB7, MCB7
Unit
A
Body Length
B
Height
C
Width
D
Lead Diameter
E
(CBF, MCBF only)
F
Lead Length
Type / Code
Features:
Fireproof power wirewound
• High thermal conductivity
• Standoffs may be available (CBF, MCBF).
Contact factory for details.
• RoHS compliant / lead-free
Electrical Specifications
Mechanical Specifications
Rev Date: 11/08/2012 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
CB
/MCB
Series
Ceramic Housed with Axial Leads Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
123456789
C B 2 J B 1 0 0 R
0
Ambient Temperature (ºC)
28080 120 160 200 240
Percent Rated Power (%)
100
70ºC
80
60
40
20
-80 320
-55ºC
155ºC
275ºC
CB
MCB
-40 0 40
Moisture Resistance
± 5%
Thermal Shock ± 2%
Load Life @ 70
°
C - 1,000 hrs.
± 5%
Resistance to Soldering Heat
± 2%
Short Time Overload - 5xPn for 5sec ± 2%
Dielectric Withstanding Voltage
± 2%
Test Test Results
Operating Temperature Range: -55
°
C to +155
°
C for MCB, -55ºC to +275ºC for CB
Code
CB
Code
Quantity
MCB 3 J 750
CBF 5 K 250
MCBF 7
10
15
Standard
With standoff
B Bulk
Packaging
7W
10W
5%
10%
2W
15W
3W
5W
3.32 Kohm = 3K32
0.1 ohm = R100
33 ohm = 33R0
For characters with
"L" used as multiplier
of 10
-3
for any value
under 0.1 ohm
0.056 ohm = 56L0
Tol Code Description Size
2, 3, 5
7, 10, 15
Product Series Power Tolerance Resistance Value
Power Derating Curve:
How to Order
Performance Characteristics