This flexible range of Power Wirewound Resistors either have wire or power oxide film
elements. The SQ series resistors are wound or deposited on a fine non - alkali ceramic core
then embodied in a ceramic case and sealed with an inorganic silica filler. This design provides
a resistor with high insulation resistance, low surface temperature, excellent T.C.R., and
entirely fire proof construction. These resistors are ideally suited to a range of areas where low
cost, and efficient thermal performance are important design criteria. Metal film cores adjusted
by laser spiral are used where the resistor value is above that suited to wire. Similar
performance is obtained although short time overload is slightly derated.
Characteristics - Electrical
Test Condition
Resistance Temp. Coefficient:
*Short Time Overload:
Rated Load:
Voltage Withstand:
Insulation Resistance:
Temperature Cycle:
Load Life:
Moisture-proof Load Life:
Incombustability:
Max. Overload Voltage:
*Metal Film Elements:
-55°C ~ 155°C
10 times rated power for 5 seconds
Rated power for 30 minutes
1000V AC 1 minute
500V megger
-30°C ~ 85°C for 5 cycles
70°C on-off cycle for 1000 hours
40°C 95% RH on-off cycle 1000 hours
16 times rated wattage for 5 minutes
2 times max. working voltage
Short time overload 5 times rated power, 5 seconds
Performance
± 300ppm/°C
± 2%
± 1%
no change
1000 Meg
± 1%
± 5%
± 5%
No flame
Type SQP - Horizontal
35 ±3
2W: 23 ±3
d
H
L
Power
Rating
2W
3W
5W
7W
10W
15W
20W - 25W
Dimensions
H ± 1 L ± 1.5 d ± 0.05 l ± 0.3
7
8
9
9
9
11.5
13.5
18
22
22
35
48
48
60
0.65
0.8
0.8
0.8
0.8
0.8
0.8
23
35
35
35
35
35
35
W
Resistance Range
Wire
Metal Film
R10 - 82R
R10 - 180R
R10 - 180R
R10 - 430R
R10 - 470R
R50 - 600R
R50 - 1K0
83R - 10K
181R - 33K
181R - 100K
431R - 100K
471R - 100K
601R - 150K
1.1K - 150K
ø2.7
Max. Working
Voltage
150V
350V
350V
500V
750V
1000V
1000V
W±1
7
8
10
10
10
12.5
14
Rated Continuous Working Voltage (RCWV)
RCWV: Rated Power x Resistance Value or Maximum Working Voltage listed above whichever is lower
1773285 CIS BI 06/2011
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to:
te.com/help
High Power Resistors
Type SQ Series
Type SQH - Horizontal with
Faston Connectors
Power
Rating
10W
15W
20W
30W
40W
W±1
10
12.5
14.5
19
19
H±1
10
11.5
13.5
19
19
L ± 1.5
48
48
60
75
90
P
Dimensions
H1± 1 D±0.5
21
21
24
31
31
5
5
6
7.5
7.5
P1±0.2
2.5
2.5
3.0
–
–
P2±0.2
1.7
1.7
2.5
–
–
Resistance Range
Wire
Metal Film
R50 - 600R
1R0 - 600R
1R0 - 1K0
1R0 - 2K0
1R0 - 2K0
601R - 50K
601R - 50K
1K1 - 50K
–
–
32 ±1
32 ±1
42 ±1
55 ±2
67 ±2
Type SQB - Horizontal with Faston
Connectors and Bracket
Power
Rating
10W
15W
20W
30W
40W
A ± 0.5
8.0
8.0
8.0
10.5
10.5
Dimensions
B ± 0.5 C ± 0.5
5.0
12.0
5.5
5.5
8.0
8.0
12.0
12.0
18.0
18.0
G ± 0.5
3.0
3.0
3.0
3.5
3.5
Power Derating Curve
100
80
Surface Temperature (°C)
Rated Load (%)
60
40
20
0
-50
0
50
100
150
200
155°C
250
300
275°C
-55
-70
Load Against Temperature
300
15W-40W
250
7W, 10W
200
150
100
50
0
0
20
40
06
80
100
Rated Load (%)
5W
Ambient Temperature (°C)
Type SQM - Vertical
Power
Rating
2W
3W
5W
7W
10W
10WS
W±1
11
12
13
13
13
16
Dimensions
H±1
S ± 1.5
20
7
25
25
39
51
35
8
9
9
9
12
P ± 2.0
5
5
5
5
5
7.5
Resistance Range
Wire
Metal Film
R10 - 82R
83R - 10K
R10 - 180R
R10 - 180R
R10 - 430R
R10 - 470R
R10 - 360R
181R - 33K
181R - 100K
431R - 100K
471R - 100K
361R - 100K
N.B. Custom design versions in wire at low tolerances, better T.C.R., and higher ohmic values are available to special order. Please
enquire.
1773285 CIS BI 06/2011
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to:
te.com/help
High Power Resistors
Type SQ Series
Type SPS - Vertical Mounting with Stabilising Bracket
5.0
5.0
5.0
5.0
2.0
R0.2
0.8
Ø1.0
Suggested PCB Layout Plan
Power
Rating
7W
10W
Dimension
L ± 1.5 K ± 0.5
48
8.5
60
20
Resistance Range
Wire
Metal Film
R10 - 430R 431R - 100K
R10 - 470R
471R - 100K
Type SQZ - Horizontal
Pluggable
Power
Rating W±1
5W
7W
10W
15W
10
10
10
12.5
H±1
10
10
10
12
13
Dimensions
L±1.5 P±1.5 P1
P2
28
36
48
48
60
15
20
32
32
42
4.2
4.2
4.2
4.2
7
2
2
2
2
6
P3
5
5
5
5
10
P4
1.5
1.5
1.5
1.5
2.7
H1±1 H2±1
25
25
25
26
36
10.5
10.5
10.5
10.5
15.0
Resistance Range
Wire
Metal Film
R10 - 130R
R10 - 430R
R20 - 470R
1R0 - 600R
1R0 - 1K0
131R - 100K
431R - 100K
471R - 100K
601R - 150K
1K1 - 150K
20W-25W* 15
*NB: 20W & 25W Devices Terminations are not crimped
Type SQZ - Recommended PCB Hole Dimensions
Power
Rating
5W
7W
10W
15W
20W_25W
a
2.0
2.0
2.0
2.0
3.5
b
0.8
0.8
0.8
0.8
1.0
p
15
20
32
32
42
How to Order
SQP
Common Part
SQP - Axial Type
SQZ - Pluggable Type
SQM - Vertical Type
SPS - Vertical Type
SQH - Horizontal Type
SQB - Horizontal Type
(with bracket)
W
Element
20
Rated Power
2 - 2 Watts
1R0
Resistance Value
0.1 ohm
(1 milliohm) R10
1 ohm
(1000 milliohms) 1R0
1K ohm
(1000 ohms) 1K0
1M ohm
(1000000 ohms) 1M0
F
Resistance Tolerance
F - ±1%
G - ±2%
J - ±5%
K - ±10%
W - Wire
R - Metal Film
3 - 3 Watts
5 - 5 Watts
etc
TE Connectivity, TE connectivity (logo) and TE (logo) are trademarks.
Other logos, product and Company names mentioned herein may be trademarks of their respective owners.
While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other
representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein
at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantabili-
ty or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change
without notice. Consult TE for the latest dimensions and design specifications.
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