Cement Type Resistors SQZ
  • Air ProCement Type Resistors SQZ
  • Air ProCement Type Resistors SQZ

Cement Type Resistors SQZ

Cement type resistors SQZ Features: 1.Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity. 2.Operating ambient temperature:-55℃~+275℃ 3.Resistance tolerance: ±1%,±2%,±5%,±10%.

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Product Description

Cement type resistors SQZ



Products 

Cement type resistors SQZ

Features

1.Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity.
2.Operating ambient temperature:-55℃~+275℃ 
3.Resistance tolerance: ±1%,±2%,±5%,±10%.

Power rated

Item

2W

3W

5W

7W

10W

15W

20W~25W

Max. working voltage

150V

350V

350V

500V

750V

1000V

100V

Dielectric withstanding voltage

1000V
(AC)

1000V
(AC)

1000V
(AC)

1000V
(AC)

1000V
(AC)

1000V
(AC)

1000V
(AC)

Resistance tolerance

J±5%

J±5%

J±5%

J±5%

J±5%

J±5%

J±5%

Products
(1 lead wire) 

Dimensions(mm)

Resistance  Range(Ω)

 

L±1.5

W±1

H±1.5

P±1.5

P1±0.2

P2±0.2

H1±2

H2±1

KN

MO

 

5W  z-01

28

10

10

15

7

1.5

25

10.5

0.1-130

131-68K

 

7W  z-01

36

10

10

20

7

1.5

25

10.5

0.1-600

601-68K

 

10W z-01

48

10

10

35

7

1.5

25

10.5

0.2-1K

1K1-100K

 

10W z-03

48

10

10

35

7

1.5

40

25

0.2-1K

1K1-100K

 

15W z-05

50

12.5

12

35

10

3

35

15.0

1-1K

1K1-150K

 

20W~25w
z-05

65

14

13

42

10

3

36

15.0

1-1K

1K1-150K

 

Products(2 lead wires) 

Dimensions(mm)

Resistance Range(Ω)

 

L±1.5

W±1

H±1.5

P±1.5

H1±0.5

H2±0.5

A±0.1

B±0.1

C±0.2

KN

MO

 

5W  z-02

28

10

10

15

10.5

4.5

1.5

3.5

7.5

0.1-130

131-68K

 

7W  z-02

36

10

10

20

10.5

4.5

1.5

3.5

7.5

0.1-600

60Ω-68K

 

10W z-04

48

10

10

20

25

4.5

1.5

3.5

7.5

0.2-1K

60Ω-68K

 

10W z-04

48

10

10

35

25

4.5

1.5

3.5

7.5

0.2-1K

1K1-100K

 

15W z-06

50

12.5

12

35

28

4.5

2

5

10

1-1K

1K1-150K

 

20W z-06

65

14

14

42

28

4.5

2

5

10

1-1K

1K1-150K

 

25W z-06

65

14

14

42

28

4.5

2

5

10

1-1K

1K1-150K

 

20W z-07

65

14

14

42

10

4.5

2

5

10

1-1K

1K1-150K

 

25W z-07

65

14

14

42

10

4.5

2

5

10

1-1K

1K1-150K

 

Cement Type Resistor (wire wound) 

Characteristics

Specifications

Test Method

DC ResistanceJIS-C-5202 5.1

J ± 5%

At 25℃

Dielectric withstanding voltage 
 
JIS-C-5202 5.7

No evidence of flashover mechanical amage, arcing or insulation breakdown.

Resistance shall be clamped with a conductive material which conforms to resistors surface so that 90o of the outer periphery is contacted a potential of 1000V AC shall be applied for 60 seconds.

Insulation Resistance 
 
JIS-C-5202 5.6

1000MΩ     MIN

Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric.

Thermal Shock

ΔR≤±(2%R0+0.1Ω)

After application of rated power for 30 minutes, 30 minutes exposure to -30±5℃ ambient temperature.

Humidity

JIS-C-5202 7.5

ΔR≤±(2%R0+0.1Ω)

Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40±2℃ and 90~95% relative humidity.

Cement Type Resistor (metal oxide film) 

Short time overload 

ΔR≤±(2%R0+0.05Ω)

Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds.

Load Life 

JIS-C-5202 7.10

ΔR≤±(5%R0+0.1Ω)

Permanent resistance change after 1000 hours operating at RCWV, with duty cycle of 1.5 hours on and 0.5 hours off at 25℃±2℃.

Load Life in Humidity

JIS-C-5202 7.9

ΔR≤±(5%R0+0.1Ω)

Temperature resistance change after 1000 hours(1.5hours on and 0.5 hours off) at RCVW in a humidity chamber controlled at 40±2℃ and 90~95% relative humidity.

Solderability

JIS-C-5202 6.5

95% coverage MIN

Test temperature of solder:230±5℃ 
Dwell time in solder:3±0.5 seconds

Humidity

JIS-C-5202 7.5

ΔR≤±(5%R0+0.1Ω)

Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40±2℃ and 90~95% relative humidity.

Resistance to Soldering Heat

ΔR≤±(1%R0+0.05Ω)

Immerge into the 350±10°C tin stove by3.2~4.8
mm length as the follow form.


Temperature

Dip   Time

350°C±10°C

3.0±0.5 seconds

260°C±5°C

10±1seconds

 

Nonflammability

Nonflammable

Load 5 min according to 5times, 10 times, 16 times rated power and A.C. respectively.

Notes 

More details, please feel free to contact us. 


 

 

 


Derating Curve of Cement Type Resistors SQZ​:


For resistors operated in ambient temperatures above 70 ℃,power rating must be derated in accordance with the curve below.


 

 

 

 

Surface Temperature Rise of Cement Type Resistors SQZ​:

 





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