Cement Wirewound Resistors
SQM Series
MERITEK
(Radial Type)
F
EATURES
Heat and flame resistant
The complete insulation characteristics are ideal for printed circuit board applications.
For high resistance value, the winding core will be replaced by metal oxide film core (RS type).
Non-inductive types are available on request.
Tolerance: ±5% ±10%.
P
ART
N
UMBERING
S
YSTEM
SQM
5W
VALUE J
RES. TOL. 5% / 10% = J / K
RESISTANCE 0R1 1R 100R
POWER RATING
MERITEK CEMENT WIREWOUND RESISTOR SERIES
(Bulk only)
S
PECIFICATIONS
DIMENSION(Mm)
SQM
L
20.0
25.0
25.0
39.0
51.0
35.0
H
4~15 ±1
4~15 ±1
4~15 ±1
4~15 ±1
4~15 ±1
4~15 ±1
D
11.5
12.0
13.0
13.0
13.0
16.0
D1
7.5
8.5
9.0
9.0
9.0
12.0
d
0.65±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
Value Range
Wire wound
0.01Ω~50Ω
0.01Ω~50Ω
001Ω~50Ω
0.01Ω~100Ω
0.01Ω~100Ω
0.01Ω~100Ω
Metal oxide
51Ω~50KΩ
51Ω~50KΩ
51Ω~50KΩ
101Ω~47KΩ
101Ω~47KΩ
101Ω~47KΩ
Max
Working
Voltage
150V
300V
350V
500V
750V
750V
2W
3W
5W
7W
10W
10WS
1.
2.
Resistance Range for standard resistance,below or over this resistance on request.
Non-inductive type available up to 50 ohms.
D
ERATING
C
URVE
T
EMPERATURE
R
ISE
Rev. 7
Cement Wirewound Resistors
SQM Series
MERITEK
(Radial Type)
P
ERFORMANCE
Temperature Coefficient
Insulation Resistance
Load Life (1,000hours)
Short-Time Overload
±300 PPM/°C
>100MΩ
±5%+0.05Ω
±2%+0.05Ω
Dielectric Withstanding Volt
Moisture Resistance
Shock And Vibration
Effect Of Soldering
±2%+0.05Ω
±5%+0.05Ω
±1%+0.05Ω
±2%+0.05Ω
Rev. 7
Cement Wirewound Resistors
SQP Series
MERITEK
(Axial Type)
F
EATURES
Heat and flame resistant
Complete insulation characteristics are suitable for printed circuit board applications.
For high resistance value, the winding core will be replaced by metal oxide film core
(RS type).
Non-inductive type is available upon request.
Tolerance: ±5% ±10%.
P
ART
N
UMBERING
S
YSTEM
SQP
5W
VALUE
J
RES. TOL. 5% / 10% = J / K
RESISTANCE 0R1 1R 100R
POWER RATING
MERITEK CEMENT WIREWOUND RESISTOR SERIES
(Bulk only)
S
PECIFICATIONS
Dimension (mm)
SQP
L
2W
3W
5W
7W
10W
15W
20W
25W
30W
40W
18.0
22.0
22.0
35.0
48.0
48.0
60.0
60.0
77.0
90.0
H
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
32.0 ±3
D
7.0
8.0
9.5
9.5
9.5
12.5
14.0
14.0
18.0
19.0
D1
7.0
8.0
9.0
9.0
9.0
12.0
13.0
13.0
17.0
18.0
d
0.65±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
0.8±0.03
Wirewound
0.1Ω~50Ω
0.1Ω~50Ω
0.1Ω~50Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~500Ω
0.1Ω~500Ω
Metal Oxide
51Ω~20KΩ
51Ω~33KΩ
51Ω~50KΩ
101Ω~50KΩ
101Ω~50KΩ
101Ω~150KΩ
101Ω~150KΩ
101Ω~150KΩ
Value Range
Max Working
Voltage
150V
300V
350V
500V
500V
500V
500V
1000V
1000V
1000V
1. Resistance ranges listed above are standard parts, resistance below or over this range is available upon request.
2. Non-inductive type available up to 20 ohms.
Rev. 7
Cement Wirewound Resistors
SQP Series
MERITEK
(Axial Type)
P
ERFORMANCE
Temperature Coefficient
Insulation Resistance
Load Life (1,000hours)
Short-Time Overload
Dielectric Withstanding Volt
Moisture Resistance
Shock And Vibration
Effect Of Soldering
±300 PPM/℃
>100MΩ
±5%+0.05Ω
±2%+0.05Ω
±2%+0.05Ω
±5%+0.05Ω
±1%+0.05Ω
±2%+0.05Ω
Rev. 7
Cement Wirewound Resistors
SQT Series
MERITEK
(Axial Type)
F
EATURES
Heat and flame resistant
Complete insulation characteristics are suitable for printed circuit board applications.
For high resistance value, the winding core will be replaced by metal oxide film core (RS type).
Non-inductive types are available on request.
Tolerance: ±5% ±10%.
P
ART
N
UMBERING
S
YSTEM
SQT
5W
VALUE J
RES. TOL. 5% / 10% = J / K
RESISTANCE 0R1 1R 100R
POWER RATING
MERITEK CEMENT WIREWOUND RESISTOR SERIES
(Bulk only)
S
PECIFICATIONS
SQT
5W
7W
10W
15W
20W
25W
DIMENSION(mm)
L
22.0
35.0
48.0
48.0
60.0
60.0
H
27.0 ±3
27.0 ±3
27.0 ±3
27.0 ±3
27.0 ±3
27.0 ±3
D
10.0
10.0
10.0
12.5
13.0
13.0
D1
9.0
9.0
9.0
12.5
14.0
14.0
t
1.5
3.0
3.0
3.0
5.0
5.0
Value Range
Wire wound
0.1Ω~50Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~100Ω
0.1Ω~100Ω
Metal oxide
51Ω~50KΩ
101Ω~47KΩ
101Ω~47KΩ
101Ω~47KΩ
101Ω~47KΩ
101Ω~47KΩ
Max working
voltage
350V
500V
750V
750V
750V
750V
1.
Resistance ranges listed above are standard parts, resistance below or over this range is available upon request.
2. Non-inductive type available up to 50 ohms.
Rev. 7