BCW72LT1

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Typ

Max

Unit

ON CHARACTERISTICS

DC Current Gain

(IC = 2.0 mAdc, VCE = 5.0 Vdc)

hFE

200

—

450

—

Collector – Emitter Saturation Voltage

(IC = 10 mAdc, IB = 0.5 mAdc)

(IC = 50 mAdc, IB = 2.5 mAdc)

VCE(sat)

—

—

—

0.21

0.25

—

Vdc

Base – Emitter Saturation Voltage

(IC = 50 mAdc, IB = 2.5 mAdc)

VBE(sat)

—

0.85

—

Vdc

Base – Emitter On Voltage

(IC = 2.0 mAdc, VCE = 5.0 Vdc)

VBE(on)

0.6

—

0.75

Vdc

SMALL– SIGNAL CHARACTERISTICS

Current – Gain — Bandwidth Product

(IC = 10 mAdc, VCE = 5.0 Vdc, f = 100 MHz)

fT

—

300

—

MHz

Output Capacitance

(IE = 0, VCB = 10 Vdc, f = 1.0 MHz)

Cobo

—

—

4.0

pF

Input Capacitance

(IE = 0, VCB = 10 Vdc, f = 1.0 MHz)

Cibo

—

9.0

—

pF

Noise Figure

(IC = 0.2 mAdc, VCE = 5.0 Vdc, RS = 2.0 kΩ, f = 1.0 kHz,

BW = 200 Hz)

NF

—

—

10

dB

Figure 1. Turn–On Time

Figure 2. Turn–Off Time

EQUIVALENT SWITCHING TIME TEST CIRCUITS

*Total shunt capacitance of test jig and connectors

10 k

+ 3.0 V

275

CS < 4.0 pF*

10 k

+ 3.0 V

275

CS < 4.0 pF*

1N916

300 ns

DUTY CYCLE = 2%

+10.9 V

– 0.5 V

<1.0 ns

10 < t1 < 500 µs

DUTY CYCLE = 2%

+10.9 V

0

– 9.1 V

< 1.0 ns

t1

TYPICAL NOISE CHARACTERISTICS

(VCE = 5.0 Vdc, TA = 25°C)

Figure 3. Noise Voltage

f, FREQUENCY (Hz)

5.0

7.0

10

20

3.0

Figure 4. Noise Current

f, FREQUENCY (Hz)

2.0

10

20

50

100

200

500

1 k

2 k

5 k

10 k

100

50

20

10

5.0

2.0

1.0

0.5

0.2

0.1

BANDWIDTH = 1.0 Hz

RS = 0

IC = 1.0 mA

100

µA

30

µA

BANDWIDTH = 1.0 Hz

RS ≈ ∞

10

µA

300

µA

IC = 1.0 mA

300

µA

100

µA

30

µA

10

µA

10

20

50

100

200

500

1 k

2 k

5 k

10 k