1998 Nov 18

14

Philips Components

Product specification

Cemented wirewound resistors

AC01/03/04/05/07/10/15/20

Fig.20 Pulse on a regular basis; maximum permissible peak pulse power

as a function of pulse duration (ti).

P

ˆ

max

()

AC15

handbook, full pagewidth

1

CCB388

10−1

10−2

10−3

10−4

1

10

102

103

105

104

ti (s)

Pmax

(W)

ˆ

tp/ti = 1000

tp/ti = 200

tp/ti = 50

tp/ti = 10

tp/ti = 2

0.33

Ω

4.3

Ω

33

Ω

330

Ω

39 k

Ω

Fig.21 Pulse capability; Watt

× seconds/ohm as a function of Rn.

AC15

handbook, full pagewidth

103

105

104

102

10

1

10−1

CCB389

103

102

10−4

10−1

10−2

10−3

10

1

Rn (Ω)

pulse

energy

(Ws/

Ω)