BC450,A

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Typ

Max

Unit

Collector – Emitter Saturation Voltage

(IC = –100 mAdc, IB = –10 mAdc)

VCE(sat)

—

–0.125

–0.25

Vdc

Base – Emitter Saturation Voltage

(IC = –100 mAdc, IB = –10 mAdc)

VBE(sat)

—

–0.85

—

Vdc

Base – Emitter On Voltage

(IC = –2.0 mA, VCE = –5.0 V)

(IC = –100 mA, VCE = –5.0 V)*

VBE(on)

–0.55

—

—

–0.76

–0.7

–1.2

Vdc

DYNAMIC CHARACTERISTICS

Current–Gain — Bandwidth Product

(IC = –50 mAdc, VCE = –5.0 Vdc, f = 100 MHz)

fT

100

200

—

MHz

1. Pulse Test: Pulse Width

v 300 ms, Duty Cycle 2.0%.

Figure 1. Switching Time Test Circuits

* Total Shunt Capacitance of Test Jig and Connectors

For PNP Test Circuits, Reverse All Voltage Polarities

5.0

µs

+10 V

0

Vin

5.0

µF

100

100

TURN–ON TIME

–1.0 V

VCC

+40 V

RL

OUTPUT

*CS < 6.0 pF

tr = 3.0 ns

5.0

µs

Vin

5.0

µF

100

100

TURN–OFF TIME

+VBB

VCC

+40 V

RL

OUTPUT

*CS < 6.0 pF

tr = 3.0 ns

RB

RB