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NE685 Datasheet(PDF) 3 Page - NEC

Part # NE685
Description  SURFACE MOUNT NPN SILICON HIGH FREQUENCY TRANSISTOR
PDF  17 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

NE685 Datasheet(HTML) 3 Page - NEC

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VCE = 0.5 V, IC = 0.5 mA
500
0.9
12.03
0.76
19
1.19
800
1.1
10.22
0.72
37
0.84
1000
1.3
9.24
0.67
50
0.72
VCE = 1.0 V, IC = 0.5 mA
FREQ.
NFOPT
GA
Γ
Γ
Γ
Γ
ΓOPT
(MHz)
(dB)
(dB)
MAG
ANG
Rn/50
NE68533
TYPICAL NOISE PARAMETERS (TA = 25˚C)
500
0.9
13.19
0.75
18
1.23
800
1.0
10.87
0.73
35
0.89
1000
1.2
10.16
0.68
47
0.77
500
0.9
15.67
0.73
16
0.77
800
1.0
12.73
0.68
30
0.57
1000
1.1
11.79
0.65
42
0.58
2000
1.6
4.73
0.59
53
0.36
500
1.07
18.37
0.61
14
0.54
800
1.13
14.40
0.55
19
0.39
1000
1.30
13.15
0.56
35
0.40
2000
1.43
7.48
0.42
40
0.34
2500
1.63
6.59
0.24
69
0.22
500
0.9
14.57
0.73
17
0.74
800
1.0
12.04
0.67
33
0.54
1000
1.2
10.94
0.64
45
0.50
VCE = 1.0 V, IC = 1.0 mA
VCE = 2.5 V, IC = 1 mA
VCE = 2.5 V, IC = 3 mA
VCE = 2.5 V, IC = 0.3 mA
500
1.42
13.3
0.80
18
2.52
800
1.58
9.7
0.72
32
1.40
1000
1.70
8.0
0.64
43
1.29
FREQ.
NFOPT
GA
Γ
Γ
Γ
Γ
ΓOPT
(MHz)
(dB)
(dB)
MAG
ANG
Rn/50
NE68539
TYPICAL NOISE PARAMETERS (TA = 25˚C)
500
0.85
16.3
0.72
17
0.66
800
0.98
12.6
0.61
29
0.50
1000
1.07
11.0
0.51
40
0.48
1500
1.29
7.8
0.38
55
0.39
2000
1.52
6.2
0.30
67
0.32
500
1.27
19.5
0.57
17
0.44
800
1.40
15.8
0.41
25
0.38
1000
1.50
14.1
0.31
26
0.35
1500
1.81
10.9
0.23
21
0.29
2000
2.13
8.6
0.19
10
0.26
2500
2.47
6.8
0.17
-10
0.22
500
1.17
18.2
0.63
19
0.46
800
1.30
14.9
0.51
29
0.38
1000
1.39
13.2
0.34
33
0.34
1500
1.69
10.0
0.23
28
0.30
2000
2.00
7.6
0.17
13
0.25
2500
2.33
5.8
0.16
-13
0.21
VCE = 3 V, IC = 5.0 mA
VCE = 2.5 V, IC = 1.0 mA
VCE = 2.5 V, IC = 3.0 mA
NE685 SERIES



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