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BF245B-D27Z [FAIRCHILD]

Transistor;
BF245B-D27Z
型号： BF245B-D27Z
厂家： FAIRCHILD SEMICONDUCTOR    FAIRCHILD SEMICONDUCTOR
描述：

Transistor
文件： 总3页 (文件大小：24K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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BF245A/BF245B/BF245C  
N-Channel Amplifiers  
•
•
This device is designed for VHF/UHF amplifiers.  
Sourced from process 50.  
TO-92  
1
1. Gate 2. Source 3. Drain  
Absolute Maximum Ratings T =25°C unless otherwise noted  
a
Symbol  
Parameter  
Value  
30  
Units  
V
V
V
Drain-Gate Voltage  
Gate-Source Voltage  
Forward Gate Current  
DG  
-30  
V
GS  
D
I
10  
mA  
GF  
P
Total Device Dissipation @T =25°C  
350  
mW  
A
Derate above 25°C  
2.8  
mW/°C  
°C  
T
T
Operating and Storage Junction Temperature Range  
- 55 ~ 150  
J, STG  
Electrical Characteristics T =25°C unless otherwise noted  
a
Symbol  
Parameter  
Test Condition  
Min.  
Max.  
Units  
Off Characteristics  
V
V
Gate-Source Breakdown Voltage  
V
V
= 0, I = 1µA  
-30  
V
V
(BR)GSS  
GS  
DS  
DS  
G
Gate-Source  
BF245A  
BF245B  
BF245C  
= 15V, I = 200µA  
-0.4  
-1.6  
-3.2  
-2.2  
-3.8  
-7.5  
D
V
(off)  
Gate-Source Cut-off Voltage  
Gate Reverse Current  
V
V
= 15V, I = 10nA  
-0.5  
-8  
-5  
V
GS  
DS  
GS  
D
I
= -20V, V = 0  
nA  
GSS  
GS  
On Characteristics  
I
Zero-Gate Voltage Drain Current  
DSS  
BF245A  
BF245B  
BF245C  
V
V
= 15V, V = 0  
2
6
12  
6.5  
15  
25  
mA  
GS  
GS  
GS  
On Characteristics  
g
Common Source Forward  
Transconductance  
= 15V, V = 0, f = 1KHz  
3
6.5  
mmhos  
fs  
GS  
©2003 Fairchild Semiconductor Corporation  
Rev. A1, June 2003  
Package Dimensions  
TO-92  
+0.25  
–0.15  
4.58  
0.46 ±0.10  
+0.10  
–0.05  
1.27TYP  
1.27TYP  
0.38  
[1.27 ±0.20  
]
[1.27 ±0.20]  
3.60 ±0.20  
(R2.29)  
Dimensions in Millimeters  
©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™  
ImpliedDisconnect™ PACMAN™  
SPM™  
ActiveArray™  
Bottomless™  
CoolFET™  
CROSSVOLT™ FRFET™  
DOME™  
EcoSPARK™  
E2CMOS™  
EnSigna™  
Across the board. Around the world.™  
The Power Franchise™  
FACT Quiet series™ ISOPLANAR™  
POP™  
Stealth™  
FAST®  
LittleFET™  
MicroFET™  
MicroPak™  
Power247™  
PowerTrench®  
QFET™  
SuperSOT™-3  
SuperSOT™-6  
SuperSOT™-8  
SyncFET™  
FASTr™  
GlobalOptoisolator™ MICROWIRE™  
QS™  
GTO™  
HiSeC™  
I2C™  
MSX™  
MSXPro™  
OCX™  
QT Optoelectronics™ TinyLogic®  
Quiet Series™  
TruTranslation™  
RapidConfigure™  
RapidConnect™  
UHC™  
OCXPro™  
OPTOLOGIC®  
OPTOPLANAR™  
UltraFET®  
SILENT SWITCHER® VCX™  
SMART START™  
Programmable Active Droop™  
DISCLAIMER  
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  
Product Status  
Definition  
Advance Information  
Formative or In  
Design  
This datasheet contains the design specifications for  
product development. Specifications may change in  
any manner without notice.  
Preliminary  
First Production  
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.  
No Identification Needed  
Obsolete  
Full Production  
This datasheet contains final specifications. Fairchild  
Semiconductor reserves the right to make changes at  
any time without notice in order to improve design.  
Not In Production  
This datasheet contains specifications on a product  
that has been discontinued by Fairchild semiconductor.  
The datasheet is printed for reference information only.  
©2003 Fairchild Semiconductor Corporation  
Rev. I2  

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