MEGGITT CGS
HIGH VOLTAGE RESISTORS
HIGH VALUE RESISTORS
HIGH POWER RESISTORS
ALUMINIUM CLAD RESISTORS
CURRENT SENSE RESISTORS
High Power Resistor
TYPE SBC (SQUARE CERAMIC) SERIES
This range of Power Wirewound Resistors are wound on
continuous glass fibre elements or have a ceramic core
depending on resistor value. The element is housed in a
ceramic case and sealed with an inorganic silica filler. Their
construction gives a resistor with high insulation resistance
and low surface temperature, capable of withstanding high
overload currents. These resistors are ideally suited to a
variety of applications within industrial and commercial
environments, where performance and reliability are of prime
importance. Applications include fan force ovens, cooker
hoods, power supplies and triac based speed controls.
Custom Design Variants in value and style are welcomed.
MEGGITT CGS
KEY FEATURES
UP TO 17 WATTS
FUSIBLE STYLES
VERTICAL OR AXIAL
NON FLAMMABLE
SPECIAL SOLVENT RESISTANCE
ATTRACTIVELY PRICED
CUSTOMER SPECIALS INVITED
WIDELY AVAILABLE FROM DISTRIBUTION
MEGGITT
ELECTRONIC
COMPONENTS
SALES ACTION DESK
TEL: (01793 611666)
FAX: (01793 611777)
EMAIL: sales@megelec.co.uk
WEB SITE: www.meggittelectronics.com
LOG No FO420
ISSUE 11
4 Pages
08-01
SPECIFICATION
(cont...)
CONSTRUCTION
TYPE SBC SERIES
Page 2 of 4
A range of flame-proof wirewound resistors with excellent electrical and mechanical characteristics. The resistance wire is wound on a fibreglass
or ceramic core and protected by a ceramic body. This construction combines good thermal characteristics with high insulation resistance,
and gives good physical protection. Lead length allows vertical or horizontal mounting.
ELECTRICAL
Resistance Values:
Resistance Tolerance:
Maximum Continuous Voltage:
Load Life:
Power Rating:
Series E24 5% E12 10% (see tables for value limits per style)
±5% ± 10%
PxR
±3% 1000 hours at 70°C
See Surface Temperature Curve (below)
ENVIRONMENTAL & MECHANICAL
Temperature Coefficient of Resistance:
Resistance Change due to Solder Heat:
Voltage Coefficient of Resistance:
Temperature Range:
Load Stability:
Long Term Damp Heat:
Shelf Life:
Insulation Resistance:
Dielectric Strength:
Lead Material:
Marking:
200ppm/°C (400ppm/°C below 18R)
Less than 0.2% (350°C for 2.5 seconds)
Negligible
0°C to 70°C
Less than 5% (full load at 70°C for 1000 hours)
Less than 0.2% (21 days at 40°C for 93% humidity)
Less than 1.0% (per 12 months)
Greater than 10
4
M
2000V RMS
Steel - Solder coat
Legend mark, Manufacturer name, type, ohmic value and tolerance.
SURFACE TEMPERATURE RISE CURVE
SBCH2
SBCH4/5
SBCH6/7
SBCH11
SBCH15
SBCH8
POWER DERATING CURVE
250
200
Surface Temp.
125
100
% of Power
80
60
40
20
0
25
75
125
175
225
275
Ambient Temperature
325
375
150
100
50
0
2
4
6
NB - SBC series
will run 15°C
hotter than
described here
8 10 12
Power in Watts
14
16
18
TYPE SBC - SBCH (Axial Power Resistor)
We offer three ceramic profiles for the main wattage sizes. These are for additional heat dissipation and vertical mounting of resistors.
The suffix for each style is as follows:-
SBC Standard
SBCH 4/5/6/7
SBCH 8/11/15
TYPE SBCHE (For Vertical Mounting)
We offer SBCHE Styles with one lengthened lead for vertical mounting. See additional hardware on last page.
Lead Length 20mm longer than case length. Supplied with one longer lead wrapped back in flute in ceramic.
SPECIFICATION
(cont...)
TYPE SBC - (NO FLUTES IN CERAMIC)
30
±3
TYPE SBC SERIES
Page 3 of 4
SBC - 2, 4 & 6
L
30
±3
A
±0.3
Model
B
Power
Max.
2W
4W
6W
8W
10 W
15 W
Ohmic Values
Min.
0R2
0R3
1R0
1R0
3R3
4R7
Max.
150R
3K3
8K2
8K2
12K
18K
Dimensions Weight
A
B
L
grams
2.3
2.9
4.2
7.4
10.8
15.3
6.4 6.4 20
6.4 6.4 25
6.4 6.4 38
9 9 38
9 9 50
9 9 75
O0.8
SBC - 8, 11 & 15
L
30
±0.1
30
±3
±3
A
±0.3
SBC-2
SBC-4
SBC-6
SBC-8
SBC-11
SBC-15
±0.3
B
O0.8
±0.1
L = Length of Ceramic Section
±0.3
TYPE SBCH - (FLUTES IN CERAMIC)
1.1
2.4
B
3.1
A
A
2.6
B
SBCH-4
SBCH-5
SBCH-6
SBCH-7
SBCH-8
SBCH-11
SBCH-15
1.6
Model
Power
Max.
4W
5W
7W
7W
9W
11 W
17 W
Ohmic Values
Min.
0R2
0R3
0R47
0R33
1R0
1R0
1R0
Max.
6K8
10K
22K
15K
8K2
22K
22K
Dimensions Weight
A
7
7
7
9
9
9
9
B
8
8
8
10
10
10
10
L
20
25
38
25
38
50
75
grams
2.2
3.5
5.0
6.0
8.0
10.0
15.0
L = Length of Ceramic Section
TYPE SCPC (RADIAL PLUG-IN STYLE)
7
1.6
P
0.5
H
2
B
A
B
L
H
1
Model
SCPC-3
SCPC-5
SCPC-7
SCPC-10
SCPC-20
Power
Max.
3W
5W
7W
10W
20W
Ohmic Values
Min.
0R1
0R1
0R1
0R2
0R3
Max.
330R
1K0
2K7
8K2
15K
L
22
27
35
50
63
Dimensions ± 1mm
A
10
10
10
10
13
B
9
9
9
9
12
P
10
15
22.5
37
49
H
1
H
2
23
25
25
25
43
10
10
10
10
25
L = Length of Ceramic Section
TYPE SBCLF (EXTERNALLY FUSED STYLE)
O 0.8
±0.02
Max 12.5
0.3
A
Model
B
SBCLF-4
SBCLF-5
SBCLF-7
SBCLF-10
Power
Max.
4W
5.5 W
7W
10W
Ohmic Values
Min Max
2R2 2K2
2R2 5K6
3R3 8K2
4R7 12K
Dimensions
A B L
10 9 25
10 9 38
10 9 50
10 9 75
30
±3
1.1
L
15
8.5
Solder for fuse is SnPb 60:40
L = Length of Ceramic
TYPE SBCV (VERTICAL MOUNT STYLE)
Model
A
O 0.8
±0.02
30
±3
L
B
N.B. Lead drawn through hole in ceramic
SBCV-6
SBCV-8
SBCV-11
SBCV-15
Power Ohmic Values
Max. Min Max
7W
2.2
2K2
9W
2.2
5K6
11 W 3.3
8K2
17W 4.7
12K
Dimensions
A B L
10 9 25
10 9 38
10 9 50
10 9 75
L = Length of Ceramic Section
SPECIFICATION
(cont...)
TYPE SPW (HIGH POWER FASTON STYLE)
TYPE SBC SERIES
Page 4 of 4
SPW10
13
±0.4
10
±1
1.8
±0.15
SPW20
6.35
SPW15
MOD. PWF
Terminals 6.3 x 0.8mm
Power
Max
10W
15W
20W
30W
35W
Ohmic Values
Min.
Max.
2R2
8K2
3R3
10K
4R7
15K
6R8
18K
8R2
22K
13
±.04
8.5
±0.3
Surface Temp. at
20°C ambient
250
200
150
100
50
0
SPW30
SPW35
Model
SPW-10
SPW-15
SPW-20
SPW-30
SPW-35
Dimensions
L
A
B
10
10
10
10
10
Weight
grams
13 38
14
13 50
20
13 75
32
13 100
46
13 120
59
5 10 15 20 25 30 35
Power in Watts
L = Length of Ceramic Section
ACCESSORIES
This device is
used with models
SBCV. ORDER LC1
SUPPORT
ORDER LC1
These can be used with
SBCH/SBCV models
ORDER BCV SUPPORT PILLAR
1.0
0.9
6.0
4.0
R0.2
This device is suitable for SPW Series.
order PW7 AS ACCESSORY AT
THE SAME TIME AS RESISTORS
ORDER PW7
18.5
3.5
3.5
5.5
15
0.8
12.4
R0.5
R0.5
13
10.0°
O1.2
24.0
3
12
23.5
45
14.0
38.0
4.0°
R0.2
12.8
5
14.7°
4.1
3.5
3.0
2.9
12
HOW TO ORDER
SBCH
COMMON PART
PART
- Axial
- Vertical
- Vertical fusible
- Axial one long lead
- Radial with standoffs
- Lug type
6
RATING (WA
POWER RATING (WATTS)
1K0
RESISTANCE VALUE
RESISTANCE VALUE
0.1 Ohm
1 Ohm
1 K Ohm
(100 mille Ohms)
(1000 mille Ohms)
(1000 Ohms)
R10
1R0
1K0
J
TOLERANCE
J - 5%
K - 10%
SBCH
SBCV
SBCLF
SBCHE
SCPC
SPW
See Relevent
Table
N.B. All resistors are supplied with arklone proof seal
Meggitt Electronic Components Ltd. Ohmic House, Westmead Industrial Estate, Swindon, Wilts. SN5 7US
Telephone:(01793)487301(Admin.) (01793)611666 (Sales) Email: sales@megelec.co.uk Fax:(01793) 611777
This publication is issued to provide outline information only and (unless specifically agreed to the contrary by the Company in writing) is not to form part of any order
or be regarded as a representation relating to the products or service concerned. We reserve the right to alter without notice the specification, design, price or conditions
of supply of any product or service. Whilst Meggitt Electronic Components products are of the very highest quality and reliability, all electronic components can occasionally
be subject to failure. Where failure of a Meggitt Electronic Components product could result in life threatening consequences, then the circuit and application must be discussed
with the Company. Such areas might include ECG, respiratory. and other medical and nuclear applications and any non fail safe applications circuit.
28.3
5
3.1
13.3
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