CAT5

Differential Phase 

Delay(Max)

45ns/100m

Impedance

4-100MHz  100±15Ω

Mutual 

capacitance(Max)

5. 6nF/100m

D. C Resistance(Max)

9. 5Ω/100m at 20℃;

Dielectric Strength 

Between 

Conductors(Min)

2.5kV/2s

Permitted Bend Radius

No less than eight times the cable diameter

Transmission Performance

Frequency

 (MHz)

Attenuation (Max)

(dB/100m)

NEXT(Min)

(dB/100m)

ELFEXT(Min)

(dB/100m)

RL

(Min)

(dB)

Phase Velocity

(Min)

(m. /s)

Phase Delay

(Max)

(ns/100m)

4

4.1

53.3

49

18. 8

0. 604c

552

8

5. 8

48. 8

42.9

19. 7

0. 610c

547

10

6. 5

47. 3

41

20

0. 612c

545

16

8. 2

44.2

36. 9

20

0. 614c

543

20

9. 3

42.8

35

20

0. 615c

542

25

10. 4

41. 3

33

19. 3

0. 616c

541

31. 25

11. 7

39. 9

31. 1

18. 6

0. 617c

540

62.5

17. 0

35. 4

25. 1

16. 5

0. 619c

539

100

22.0

32.3

21

15. 1

0. 620c

538