BF245A/BF245B/BF245C
BF245A/BF245B/BF245C
N-Channel Amplifiers
• This device is designed for VHF/UHF amplifiers.
• Sourced from process 50.
1
TO-92
1. Gate 2. Source 3. Drain
Absolute Maximum Ratings
T
a
=25°C unless otherwise noted
Symbol
V
DG
V
GS
I
GF
P
D
T
J,
T
STG
Drain-Gate Voltage
Gate-Source Voltage
Forward Gate Current
Total Device Dissipation @T
A
=25°C
Derate above 25°C
Operating and Storage Junction Temperature Range
Parameter
Value
30
-30
10
350
2.8
- 55 ~ 150
Units
V
V
mA
mW
mW/°C
°C
Electrical Characteristics
T
a
=25°C unless otherwise noted
Symbol
Parameter
Test Condition
V
DS
= 0, I
G
= 1µA
V
DS
= 15V, I
D
= 200µA
Min.
-30
-0.4
-1.6
-3.2
-0.5
-2.2
-3.8
-7.5
-8
-5
Max.
Units
V
V
Off Characteristics
V
(BR)GSS
Gate-Source Breakdown Voltage
V
GS
Gate-Source
BF245A
BF245B
BF245C
V
GS
(off)
I
GSS
Gate-Source Cut-off Voltage
Gate Reverse Current
V
DS
= 15V, I
D
= 10nA
V
GS
= -20V, V
GS
= 0
V
nA
On Characteristics
I
DSS
Zero-Gate Voltage Drain Current
BF245A
BF245B
BF245C
On Characteristics
Common Source Forward
g
fs
Transconductance
V
GS
= 15V, V
GS
= 0
2
6
12
3
6.5
15
25
6.5
mA
V
GS
= 15V, V
GS
= 0, f = 1KHz
mmhos
©2003 Fairchild Semiconductor Corporation
Rev. A1, June 2003
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not
intended to be an exhaustive list of all such trademarks.
ACEx™
FACT™
ActiveArray™
FACT Quiet series™
Bottomless™
FAST
®
FASTr™
CoolFET™
CROSSVOLT™
FRFET™
GlobalOptoisolator™
DOME™
EcoSPARK™
GTO™
2
CMOS™
E
HiSeC™
EnSigna™
I
2
C™
Across the board. Around the world.™
The Power Franchise™
Programmable Active Droop™
DISCLAIMER
ImpliedDisconnect™
ISOPLANAR™
LittleFET™
MicroFET™
MicroPak™
MICROWIRE™
MSX™
MSXPro™
OCX™
OCXPro™
OPTOLOGIC
®
OPTOPLANAR™
PACMAN™
POP™
Power247™
PowerTrench
®
QFET™
QS™
QT Optoelectronics™
Quiet Series™
RapidConfigure™
RapidConnect™
SILENT SWITCHER
®
SMART START™
SPM™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic
®
TruTranslation™
UHC™
UltraFET
®
VCX™
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In
Design
First Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
©2003 Fairchild Semiconductor Corporation
Rev. I2
京公网安备 11010802033920号
EEWORLD
