Radial Ceramic Case Resistors

Wirewound / Metal Oxide

SQM / CVF / CVW Series

2to10watts

Resistance0R1to200K

Highoverloadcapability

Flameproofcase

SmallPCBfootprint

RoHScompliant

A subsidiary of

TT electronics plc

05 . 08

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print.

Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com

Radial Ceramic Case Resistors

Wirewound / Metal Oxide

2 to 10 watts

Resistance 0R1 to 200K

High overload capability

Flameproof case

Small PCB footprint

RoHS compliant

SQM Series

Electrical Data

SQM2 / CV-2

/ CV-2

SQM3 / CV-3 SQM5 / CV-5

SQM7 / CV-7 SQM10 / CV-10

Power rating at 70°C

watts

2

3

5

7

10

0R1 - 27R

0R1 - 39R

0R1 - 47R

0R1 - 680R

0R1 - 910R

30R – 33K

43R – 56K

51R – 100K

750R - 200K

1K0 - 200K

Limiting element voltage

volts dc or ac rms

150

300

350

500

750

Thermal impedance

°C/watt

50

45

30

28

23

Isolation voltage

volts

1000

TCR

ppm/°C

<20R: ± 400, ≥20R: ± 350

Resistance Tolerance

%

± 5 ± 10

Standard Values

E24

Ambient temperature range

°C

-55 to +155ºC

Type

L

± 1.0

W

± 1.0

D

± 1.0

P

± 1.0

d

±0.05

Weight

Nom.

SQM2/ CV-2

20

11.5

7.5

5

0.7

4.3

SQM3

25

12.5

8.5

5

0.7

5.6

SQM5

25

12.5

9

5

0.8

6.3

SQM7

38

12.5

9

5

0.8

10.7

SQM10

50

12.5

9

5

0.8

13.4

Construction

A high purity ceramic rod, with force fit end caps onto which is wound a wire element: or a deposited metal oxide film

(depending on value). The element is fitted into a ceramic case with fireproof insulation cement.

B

E

F

± 1.0

4.5

3.0

3.0

4.5

4.0

4.0

5.0

3.5

3.5

5.0

2.75

5.0

4.25 2.75

5.0

± 1.0 ± 1.0

5±1

D

L

P

d

B

E

F

W

Marked side

/ CV-3

/ CV-5

/ CV-7

/ CV-10

Resistance range – wirewound (CVW)

ohms

ohms

Resistance range – oxide (CVF)

A subsidiary of

TT electronics plc

05 . 08

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print.

Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com

Radial Ceramic Case Resistors

Wirewound / Metal Oxide

2 to 10 watts

Resistance 0R1 to 200K

High overload capability

Flameproof case

Small PCB footprint

RoHS compliant

SQM Series

Electrical Data

SQM2 / CV-2

/ CV-2

SQM3 / CV-3 SQM5 / CV-5

SQM7 / CV-7 SQM10 / CV-10

Power rating at 70°C

watts

2

3

5

7

10

0R1 - 27R

0R1 - 39R

0R1 - 47R

0R1 - 680R

0R1 - 910R

30R – 33K

43R – 56K

51R – 100K

750R - 200K

1K0 - 200K

Limiting element voltage

volts dc or ac rms

150

300

350

500

750

Thermal impedance

°C/watt

50

45

30

28

23

Isolation voltage

volts

1000

TCR

ppm/°C

<20R: ± 400, ≥20R: ± 350

Resistance Tolerance

%

± 5 ± 10

Standard Values

E24

Ambient temperature range

°C

-55 to +155ºC

Type

L

± 1.0

W

± 1.0

D

± 1.0

P

± 1.0

d

±0.05

Weight

Nom.

SQM2/ CV-2

20

11.5

7.5

5

0.7

4.3

SQM3

25

12.5

8.5

5

0.7

5.6

SQM5

25

12.5

9

5

0.8

6.3

SQM7

38

12.5

9

5

0.8

10.7

SQM10

50

12.5

9

5

0.8

13.4

Construction

A high purity ceramic rod, with force fit end caps onto which is wound a wire element: or a deposited metal oxide film

(depending on value). The element is fitted into a ceramic case with fireproof insulation cement.

B

E

F

± 1.0

4.5

3.0

3.0

4.5

4.0

4.0

5.0

3.5

3.5

5.0

2.75

5.0

4.25 2.75

5.0

± 1.0 ± 1.0

5±1

D

L

P

d

B

E

F

W

Marked side

/ CV-3

/ CV-5

/ CV-7

/ CV-10

Resistance range – wirewound (CVW)

ohms

ohms

Resistance range – oxide (CVF)

Make Possible

Resistors

09.14

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

© TT Electronics plc

www.ttelectronicsresistors.com

AllpartsarePb-freeandcomplywithEUDirective2011/65/EU(RoHS2)