PZT2222A datasheet(4/8 Pages) PHILIPS

4 / 8 page

1999 Apr 14

4

Philips Semiconductors

Product speciﬁcation

NPN switching transistor

PZT2222A

handbook, full pagewidth

RC

R2

R1

DUT

MLB826

Vo

RB

(probe)

450

Ω

(probe)

450

Ω

oscilloscope

VBB

Vi

VCC

Fig.2 Test circuit for switching times.

Vi = 9.5 V; T = 500 µs; tp =10 µs; tr =tf ≤ 3 ns.

R1 = 68

Ω; R2 = 325 Ω; RB = 325 Ω; RC = 160 Ω.

VBB = −3.5 V; VCC = 29.5 V.

Oscilloscope input impedance Zi =50 Ω.

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