BCX70GLT1 BCX70JLT1 BCX70KLT1

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Max

Unit

ON CHARACTERISTICS

DC Current Gain

(IC = 10 mAdc, VCE = 5.0 Vdc)

BCX70G

BCX70J

BCX70K

(IC = 2.0 mAdc, VCE = 5.0 Vdc)

BCX70G

BCX70J

BCX70K

(IC = 50 mAdc, VCE = 1.0 Vdc)

BCX70G

BCX70J

BCX70K

hFE

—

40

100

120

250

380

60

90

100

—

—

—

220

460

630

—

—

—

—

Collector – Emitter Saturation Voltage

(IC = 50 mAdc, IB = 1.25 mAdc)

(IC = 10 mAdc, IB = 0.25 mAdc)

VCE(sat)

—

—

0.55

0.35

Vdc

Base – Emitter Saturation Voltage

(IC = 50 mAdc, IB = 1.25 mAdc)

(IC = 50 mAdc, IB = 0.25 mAdc)

VBE(sat)

0.7

0.6

1.05

0.85

Vdc

Base – Emitter On Voltage

(IC = 2.0 mAdc, VCE = 5.0 Vdc)

VBE(on)

0.55

0.75

Vdc

SMALL– SIGNAL CHARACTERISTICS

Current–Gain — Bandwidth Product

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

fT

125

—

MHz

Output Capacitance

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

Cobo

—

4.5

pF

Small – Signal Current Gain

(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 1.0 kHz)

BCX70G

BCX70J

BCX70K

hfe

125

250

350

250

500

700

—

Noise Figure

(IC = 0.2 mAdc, VCE = 5.0 Vdc, RS = 2.0 kΩ, f = 1.0 kHz, BW = 200 Hz)

NF

—

6.0

dB

SWITCHING CHARACTERISTICS

Turn–On Time

(IC = 10 mAdc, IB1 = 1.0 mAdc)

ton

—

150

ns

Turn–Off Time

(IB2 = 1.0 mAdc, VBB = 3.6 Vdc, R1 = R2 = 5.0 kΩ, RL = 990Ω)

toff

—

800

ns

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