, U
na.
20 STERN AVE.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
PN4946
_._,
A
~
A
,
TELEPHONE: (973) 376-2922
(212)227-6005
FAX: (973) 376-8960
NPN GENERAL PURPOSE TRANSISTORS
ELECTRICAL CHARACTERISTICS (2S°C Free Air Temperature unless otherwise noted)
SYMBOL
CHARACTERISTIC
WIN. TYP. MAX.
UNITS
iOO
100
150
300
TEST COND
| r
'ONS
Ic = 150 mA
r.M
N»
V« (lit)
VM (sat)
DC Pulse Current Gain (Note 51
DC Pulse Current Gain [Note SI
Pulsed Collector Saturation Voltage
(Note 5)
Pulsed Base Saturation Voltage
(Note 51
High Frequency Current Gain
.(f - 20 MHz)
Common Base, Open Circuit Output
Capacitance
(2N4944only)
Common Base, Open Circuit Output
'Capacitance
(2N4945only)
Common Base, Open Circuit Input
Capacitance
Collector Cutoff Current
Collector Cutoff Current
Emitter Cutoff Current
Collector to Base Breakdown Voltage
Collector to Emitter Sustaining
Voltage (Notes 4 and 5) (2N4944 only)
Voltage [Notes 4 and 5) (2N4945 only)
Emitter to Base Breakdown Voltage
0.10 0,25
0,85
3,0
16
1.1
15
25
Volts
Volts
Ic » 3 0 m A
Ic * 150mA
Ic - 150m*
Ic » 5 0 m A
Vc, =
V
c
, -
i
I, —
ii
K
1.0 V
i 0V
15mA
1
')
mA
10 V
10V
10V
0.5V
dO V
00 V
<1.0V
0
0
hi,
CM.
Vc« »
Vci »
Vc, =
Ve, =
Vc, =
V
C1
=
Vn =
1,
~
i =
i,
PF
PF
1,
-0
C*
Oi»
I CIO
li-O
lc = 0
63
80
50
5.0
25
PF
nA
*A
nA
Volts
Volts
Volts
l«o(75°C)
IMO
BVo,o
li - 0
1, - 0
lc»0
Vcw(iuit)
Vcio (SUSt)
80
40
Ic * 100;, A
Ic - 3 0 m A
Collector to Emitter Sustaining
(pulsed)
Ic = 30 mA
Ic = 0
|B=
0
\\f -'•
BV,,o
5.0
Volts
10 /,A
SMALL SIGNAL CHARACTERISTICS (f = 1.0 kHz)
SYMBOL
h,,
h,,
h,,
hi,
CHARACTERISTIC
Input Resistance
Output Conductance
Voltage Feedback Ratio
Small Signal Current Gain
TYP,
1800
8.0
2.1
60
TYP
3800
19.2
5.6
130
UNITS
ohms
jimhos
xlO '
TEST CONDITIONS
Ic - 1 O m A
Ic - 1 0 mA
Ic - ! 0 mA
|g a
I 0 mA
Vci
=
r. n y
V c i
« '. 0
• ,
Vci
~ ''• 0 V
•' V v *
TO92
(DIM A)
NJ Semi-Conductors reserves the right to change test conditions, parameteTITrnits and package dimensions without
notice. Information furnished by NJ Semi-Conductors is believed to.be both accurate and reliable at the time of going
to press. However, NJ Semi-Conductors assumes no responsibility for any errors or omissions discovered in its use.
NJ Semi-Conductors encourages customers to verify that datasheets are current before placing orders.
Quality Semi-Conductors
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