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PDF BF245A Data sheet ( Hoja de datos )
| Número de pieza | BF245A | |
| Descripción | JFET VHF/UHF Amplifiers | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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ON Semiconductort
JFET VHF/UHF Amplifiers
N–Channel — Depletion
BF245A
BF245B
MAXIMUM RATINGS
Rating
Drain–Source Voltage
Drain–Gate Voltage
Gate–Source Voltage
Drain Current
Forward Gate Current
Total Device Dissipation @ TA = 25°C
Derate above 25°C
Storage Channel Temperature Range
3 DRAIN
Symbol
VDS
VDG
VGS
ID
IG(f)
PD
Tstg
Value
±30
30
30
100
10
350
2.8
–65 to +150
3 DRAIN
Unit
Vdc
Vdc
Vdc
mAdc
mAdc
mW
mW/°C
°C
2
GATE
STYLE 22
1 SOURCE
1
GATE
STYLE 23
2 SOURCE
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
OFF CHARACTERISTICS
Gate–Source Breakdown Voltage
(IG = 1.0 µAdc, VDS = 0)
Gate–Source
(VDS = 15 Vdc, ID = 200 µAdc)
BF245(1)
BF245A, BF244A(2)
BF245B, BF244B
BF245C
V(BR)GSS
VGS
Gate–Source Cutoff Voltage
(VDS = 15 Vdc, ID = 10 nAdc)
Gate Reverse Current
(VGS = 20 Vdc, VDS = 0)
ON CHARACTERISTICS
Zero–Gate–Voltage Drain Current
(VDS = 15 Vdc, VGS = 0)
BF245(1)
BF245A, BF244A(2)
BF245B, BF244B
BF245C
VGS(off)
IGSS
IDSS
1. On orders against the BF245, any or all subgroups might be shipped.
2. On orders against the BF244A, any or all subgroups might be shipped.
Min
30
0.4
0.4
1.6
3.2
–ā0.5
—
2.0
2.0
6.0
12
1
23
BF244A, BF244B
CASE 29–11, STYLE 22
TO–92 (TO–226AA)
1
23
BF245, BF245A,
BF245B, BF245C
CASE 29–11, STYLE 23
TO–92 (TO–226AA)
Typ Max
Unit
— — Vdc
Vdc
— 7.5
— 2.2
— 3.8
— 7.5
— –ā8.0 Vdc
— 5.0 nAdc
mAdc
— 25
— 6.5
— 15
— 25
© Semiconductor Components Industries, LLC, 2001
June, 2001 – Rev. 0
1
Publication Order Number:
BF245A/D
1 page  
BF245A BF245B
COMMON GATE CHARACTERISTICS
S–PARAMETERS
(VDS = 15 Vdc, Tchannel = 25°C, Data Points in MHz)
30°
20° 10°
0° 350° 340°
330°
30°
20° 10°
0° 350° 340°
330°
40° 0.7 320° 40° 0.04 32
100 200 300 ID = 0.25 IDSS
0.6 400
0.03
50°
60°
70°
100
0.5
200
300
400
500
600
700
500
0.4 ID = IDSS 600
800
900
310°
300°
290°
50°
60°
70°
0.02
0.01
31
30
29
700
80° 0.3 800 280° 80° 0.0 28
90°
900 270° 90°
100
27
500
100°
260°
100°
600
ID = IDSS
600 ID = 0.25 IDSS
26
110°
250° 110°
700 700 0.01
25
800
120°
240° 120°
800
24
0.02
900
130° 230° 130° 23
900 0.03
140° 220°
150° 160° 170° 180° 190° 200° 210°
Figure 13. S11g
30°
20° 10°
0° 350° 340°
330°
40° 0.5 320°
100
0.4
50°
100
ID = IDSS
310°
0.3
60° 300°
70°
0.2 ID = 0.25 IDSS
290°
80° 280°
0.1 900
90° 270°
900
100° 260°
110° 250°
120° 240°
140° 0.04 22
150° 160° 170° 180° 190° 200° 210°
Figure 14. S12g
30°
20° 10°
0° 350° 340°
330°
1.5 300
40°
1.0 200
100
500
400
600
700
32
0.9 800 900
50°
ID = IDSS, 0.25 IDSS
31
0.8
60° 30
70° 0.7 29
80° 28
0.6
90° 27
100° 26
110° 25
120° 24
130° 230° 130° 23
140° 220°
150° 160° 170° 180° 190° 200° 210°
Figure 15. S21g
140° 22
150° 160° 170° 180° 190° 200° 210°
Figure 16. S22g
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet BF245A.PDF ] | |
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