Data Sheet

^V£o^
20 STERN
[£ii£u <=5£>ni-L.onaucto'i Lr'iodi
j
AVE.
JLCtl, Una.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
IM-Channel Junction Field-Effect Transistors
BF 245 A
BF 245 B
BF246C
BF 245 A, B, and C are N-channel junction field-effect transistors in plastic package similar
to TO 92 (10 A 3 DIN 41868). They are
amplifiers.
particularly suitable for use in dc, AF and RF
2,5max
L — r
I— 12.7 mln -H I—
5,2 max
DSG
f$b
— "i r*~
4,8 max
Approx. weight 0.25 g Dimension* in mm
Maximum ratings
Drain-source voltage
Drain-gate voltage (/s * 0)
Gate-source voltage (/o = 0)
Drain current
Gate current
Junction temperature
Storage temperature range
Total power dissipation (Tamb & 75°C)1)
±VDS 30
+VDQ 30
-VGS 30
ID 25
/a 10
3 150
Trtg -65 to +160
Ptot 300
V
V
V
mA
mA
"C
°C
mW
Thermal resistance
Junction to ambient air
"thJA
5260
I K/W1)
Static characteristics (Tj - 25 °C)
Gate cutoff current
(-VGS " 20 V. vbs - 0, 7, - 1 25'C)
Gate-source breakdown voltage
Drain-source short-circuit current
(Vbs=15V,VGs-0)
Gate-source voltage
Gate-source pinch-off voltage
(V/bs-16V,/D=10nA)
Dynamic characteristics (ramb = 25 °C)
Four-pole characteristics
(Vbs*16V,VQs-0,/=1 kHz)
(VDs " 15 V. VQS - 0, f = 200 MHz)
(Vos " 20 V, -VQS = 1 V, f - 1 MHz)
Cutoff frequency of
short-circuit forward transfer admittance1 >
Noise figure
(VDs-1SV.VQS»0(flj-1
f100MH»,r.mb-25l>C)
-/ess
-/QSS
'^BfllGSS
BF245A: /oss
BF245B: /DSS
BF245C: /OSS
BF245A: -Vfes
BF 245 B: -VQS
BF245C: -VQS
-*
1X21 s|
\y22d
011
1/2151
922s
Ci j.
C12.
C22,
^
WF
£5
£500
230
2.0 to 6.5
6to15
12 to 26
0.4 to 2.2
1.6 to 3.8
3.2 to 7.5
0.5 to 8.0
3.0 to 6.5
25
250
8
40
4.0
1.1
1.6
700
1.6
nA
nA
V
mA2>
mA
mA
vzi
V
V
V
mS
US
US
mS
us
PF
PF
MHz
dB
N I Semi-t vuiduciori reserves the right 10 change teal conditions. panmeMr limits wd packug« Uimcmions wilhom notice
In formation furnished by NJ Svmi-Cunduclon a belwv«d to h« hiilh accurate and rdiubte H the lime of guinj to pros*. However M
.nidutiors .IV.IMIKS IHI responsibility I'nr iiny ermrs or o.ni-isiniM Jijcuvcred in Us use NJ .Semi4.oiiduih.rs cncouriges
..,.: i,, 1,-n'ii ih n .l'iin-:h.vr<i iw . urn-ni tirSiie nliiciny iinli»r»