Electrical Characteristics(T
J
= 25°C unless otherwise noted)
Parameter Symbol Test Condition Min Typ Max Unit
BCX70G V
CE =
5 V, IC= 10 µA———
BCX70H V
CE =
5 V, IC= 10 µA30 — —
BCX70J V
CE =
5 V, IC= 10 µA40 — —
BCX70K V
CE =
5 V, IC= 10 µA 100 — —
BCX70G V
CE =
5 V, IC= 2 mA 120 — 220
DC Current Gain
BCX70H
h
FE
V
CE =
5 V, IC= 2 mA 180 — 310
—
BCX70J V
CE =
5 V, IC= 2 mA 250 — 460
BCX70K V
CE =
5 V, IC= 2 mA 380 — 630
BCX70G V
CE =
1 V, IC= 50 mA 50 — —
BCX70H V
CE =
1 V, IC= 50 mA 70 — —
BCX70J V
CE =
1 V, IC= 50 mA 90 — —
BCX70K V
CE =
1 V, IC= 50 mA 100 — —
Collector-Emitter Saturation Voltage V
CEsat
IC= 10 mA, IB= 0.25 mA 50 — 350
mV
IC= 50 mA, IB= 1.25 mA 100 — 550
Base-Emitter Saturation Voltage V
BEsat
IC= 10 mA, IB= 0.25 mA 600 — 850
mV
IC= 50 mA, IB= 1.25 mA 700 — 1050
V
CE
= 5 V, IC= 2 mA 550 650 750
Base-Emitter Voltage V
BE
VCE= 5 V, IC= 10 µA — 520 — mV
VCE= 1 V, IC= 50 mA — 780 —
V
CB
= 45 V, VBE= 0 V — — 20 nA
Collector Cut-off Current I
CBO
V
CB
= 45 V, V
BE
= 0 V
——20µA
TA= 150°C
Emitter Cut-off Current I
EBO
VEB= 4 V, IC= 0 — — 20 nA
Gain-Bandwidth Product f
T
VCE= 5 V, IC= 10 mA
100 250 — MHz
f = 100 MHz
Collector-Base Capacitance C
CBOVCB
=10 V, f=1 MHz,IE= 0 — 2.5 — pF
Emitter-Base Capacitance C
EBOVEB
= 0.5 V, f= 1 MHz,IC= 0—8—pF
V
CE
=5V, IC= 200 µA,
Noise Figure F R
S
=2 kΩ, f =1 kHz, — 2 6 dB
B = 200 Hz
BCX70G — 200
Small Signal Current Gain
BCX70H
h
fe
VCE= 5 V, IC= 2 mA, — 260
BCX70J f = 1.0 kHZ — 330
BCX70K — 520
Turn-on Time at R
L
= 990Ω (see fig. 1) t
on
V
CC
= 10 V, IC= 10 mA,
— 85 150 ns
I
B(on) = -IB(off)
= 1 mA
Turn-off Time at R
L
= 990Ω (see fig. 1) t
off
V
CC
= 10 V, IC= 10 mA,
— 480 800 ns
I
B(on) = -IB(off)
= 1 mA
BCX70 Series
Small Signal Transistor (NPN)