Wire Wound Resistors

Wire Wound Resistors

Sheth Electronics

Sheth Electronics offered Wirewound resistors are commonly made by winding a metal wire, usually nichrome, around a ceramic, plastic, or fiberglass core. The ends of the wire are soldered or welded to two caps or rings, attached to the ends of the core. The assembly is protected with a layer of paint, molded plastic, or an enamel. These are manufactured using best available raw materials that are procured from some well established vendors.

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Ceramic Encased   Axial Leads:  Type- MCA

Watts

W (mm)

H (mm)

L  (mm)

1

6

6

16

2/2.5/3

7

7

16

4

7

7

20

5/6

9

9

25

7

9.5

9.5

32

9/10

9

9

38

12

11

11

38

15

9

9

45

20

9

9

52

25/30

11

11

55

40/50

11

11

65

75

11

11

85

100

11

11

100

1. Wire wound resistors custom built in adjustable style with presentable bands.
2. Varnish coated
3. Resistance wire
4. Copper nickel alloy for low and medium values
5. Nickel chromium alloy for high values
6. Coating glossy varnish, class f, grey colour
7. Leads - radial,copper wires,solder plated.
8. Construction - tubular with central hole stud insert molded plastic end capsTolerance +/- 10% +/- 5%.
9. Breakdown voltage >= 500v (b/w leads & body)
10. Temperature coefficient - better than + 150 ppm / deg. C.
11. Temperature severity - 40c to + 200c
12. Endurance - change in value < 3% after 1000 hours at 70c, full load
13. Humidity - change in value < 1. 5% after 1000 hours at 40c, 90-95% rh
14. Long functional life
15. Highly efficient Specifications:
16. High Grade Ni- Cr wire Wound element
17.Coated with heat insulating Flame Proof coating
18. High surge with standing suitable for energy meters
19. Low Temp-Coefficient, High stability
20. Color Coded or Printed ensured low inductance
21. Ayrton-Perry winding ensured low inductance
22. Standard tolerance 1%, 2%, 5% available

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