MICROSEMI 2N3866

140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
2N3866 / 2N3866A
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
Features
•
•
•
Silicon NPN, To-39 packaged VHF/UHF Transistor
Specified 400 MHz, 28Vdc Characteristics
- Output Power = 1.0 Watt
- Minimum Gain = 10 dB
- Efficiency = 45%
800 MHz Current-Gain Bandwidth Product
1. Emitter
2. Base
3. Collector
TO-39
DESCRIPTION:
Silicon NPN transistor, designed for VHF and UHF equipment. Applications include amplifier; pre-driver, driver, and
output stages. Also suitable for oscillator and frequency-multiplier functions.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symbol
VCEO
Parameter
Collector-Emitter
Value
30
Unit
Vdc
VCBO
VEBO
Collector-Base Voltage
55
Vdc
Emitter-Base Voltage
3.5
Vdc
IC
Collector Current
400
mA
5.0
28.6
Watts
mW/ ºC
Thermal Data
P
D
Total Device Dissipation
Derate above 25ºC
MSC1067.PDF 3-10-99
2N3866 / 2N3866A
ELECTRICAL SPECIFICATIONS (Tcase = 25°C)
STATIC
(off)
Symbol
BVCER
BVCEO
BVCBO
BVEBO
ICEO
ICEX
Test Conditions
Value
Min.
Typ.
Max.
Unit
Collector-Emitter Breakdown Voltage
(IC = 5.0 mAdc, RBE = 10 ohms)
55
-
-
Vdc
Collector-Emitter Sustaining Voltage
(IC=5.0 mAdc, IB=0)
30
-
-
Vdc
Collector-Base Breakdown Voltage
(IE = 0, IC = 0.1 mAdc)
55
-
-
Vdc
Emitter-Base Breakdown Voltage
(IE = 0.1 mAdc, IC = 0)
3.5
-
-
Vdc
Collector Cutoff Current
(VCE = 28 Vdc, IB = 0)
-
-
20
µA
Collector Cutoff Current
(VCE = 55 Vdc, VBE = 1.5 Vdc)
-
-
100
µA
5.0
10
25
-
200
200
-
-
-
1.0
Vdc
(on)
HFE
VCE(sat)
DC Current Gain
(IC = 360 mAdc, VCE = 5.0 Vdc) Both
(IC = 50 mAdc, VCE = 5.0 Vdc) 2N3866
(IC = 50 mAdc, VCE = 5.0 Vdc) 2N3866A
Collector-Emitter Saturation Voltage
(IC = 100 mAdc, IB = 20 mAdc)
DYNAMIC
Symbol
fT
COB
Test Conditions
Current-Gain - Bandwidth Product
(IC = 50 mAdc, VCE = 15 Vdc, f = 200 MHz)
Output Capacitance
(VCB = 30 Vdc, IE = 0, f = 1.0 MHz)
MSC1067.PDF 3-10-99
Value
2N3866
2N3866A
Min.
Typ.
Max.
Unit
500
800
800
-
-
MHz
-
2.8
3.5
pF
2N3866 / 2N3866A
FUNCTIONAL
Symbol
GPE
Pout
Test Conditions
Power Gain
Value
Test Circuit-Figure 1
Pin = 0.1 W, VCE = 28Vdc
f = 400 MHz, TC = 25 C
Test Circuit-Figure 1
Pin = 0.1 W, VCE = 28Vdc
f = 400 MHz, TC = 25 C
Test Circuit-Figure 1
Pin = 0.1 W, VCE = 28Vdc
f = 400 MHz, TC = 25 C
Output Power
Collector Efficiency
ηC
8-60
L1
Typ.
Max.
Unit
10
-
-
dB
1.0
-
-
Watts
45
-
-
%
LS
POUT
(RL=50 OHMS)
RFC
8-60
PIN
(R S=50 OHMS)
Min.
RFC
3-35
0.9-7
12
RFC
5.6 OHMS
1000
VCE = -28V
Figure 1 - 400 MHz RF AMPLIFIER CIRCUIT FOR GPE, POUT, AND EFFICIENCY SPECIFICATIONS.
L1: 2 TURNS No. 18 wire, ¼” ID, 1/8” long
Ls: 2 ¾ TURNS No. 18 wire, ¼” ID, 3/16” long
Capacitor values in pF unless
otherwise indicated.
Tuning capacitors are air variable
MSC1067.PDF 3-10-99
2N3866 / 2N3866A
.
TO-39
2N5109
NPN
200
3
10
15
12
1200
20
400
400
TO-39
MRF5943C
NPN
200
3.4
30
15
11.4
1000
30
400
POWER MACRO
MRF553
NPN 175
1.5
11.5
60
12.5
16
500
SO-8
MRF5943, R1, R2
NPN
200
3.4
30
15
15
1300
30
400
TO-72
2N5179
NPN
200
4.5
1.5
6
17
900
1
12
50
POWER MACRO
MRF553T
NPN 175
1.5
11.5
50
12.5
16
500
TO-72
2N2857
NPN
300
5.5
50
6
13
1600
1
15
40
TO-39
MRF607
NPN 175
1.75
11.5
50
12.5
16
330
TO-39
MRF517
NPN
300
7.5
50
15
5.5
4600
3
25
150
TO-39
2N6255
NPN 175
3
7.8
50
12.5
TO-72
2N5179
NPN 200
MA C R O X
MRF559
NPN 512
10
65
18 1000
TO-72
MRF904
NPN
450
1.5
5
6
11
4000
1
15
30
12
50
TO-72
2N6304
NPN
450
5
2
5
14
1400
1
15
50
NPN
500
1.9
2
5
5000
1
12
35
7.5
16
150
MACRO T
BFR96
NPN
500
2
10
10
14.5
500
2.6
15
100
SO-8
MRF5812, R1, R2
NPN
500
2
50
10
15.5
17.8
5000
15
200
MACRO X
MRF581A
NPN
500
2
50
10
14
15
5000
15
200
Macro
BFR90
NPN
500
2.4
2
10
15
18
5000
15
30
TO-72
BFY90
NPN
500
2.5
2
5
20
1300
15
MA C R O X
MRF559
NPN 512
0.5
13
60
12.5
16
150
TO-39
2N3866A
NPN 400
1
10
45
28
30
400
M R F 3 8 6 6 , R 1 , R 2 NPN 400
1
10
45
28
30
400
1.5
11
50
12.5
16
400
SO-8
POWER MACRO
MRF555
NPN 470
POWER MACRO
MRF555T
NPN 470
1.5
11
50
MA C R O X
MRF559
NPN 870
0.5
6.5
MA C R O X
MRF559
NPN 870
0.5
9.5
SO-8
MRF8372,R1,R2
NPN 870
0.75
POWER MACRO
MRF557
NPN 870
POWER MACRO
MRF557T
NPN 870
12.5
16
400
70
7.5
16
150
65
12.5
16
150
8
55
12.5
16
200
1.5
8
55
12.5
16
400
1.5
8
55
12.5
16
400
BFR91
11
16.5
MRF914
NPN
500
2.5
5
10
15
4500
12
40
MRF581
NPN
500
2.5
50
10
15
17.8
5000
16
200
TO-39
MRF586
NPN
500
3
90
15
11
14.5
4500
2.2
17
200
17
MACRO X
MRF951
NPN
1000
1.3
5
6
14
MACRO X
MRF571
NPN
1000
1.5
10
6
10
MACRO T
BFR91
NPN
1000
2.5
2
5
8
MACRO T
BFR90
NPN
1000
3
2
10
10
TO-39
MRF545
PNP
TO-39
MRF544
NPN
8000
0.45
10
100
8000
1
10
70
11
5000
1
12
35
12.5
5000
1
15
30
14
1400
2
70 400
13.5
1500
1
1
2
2
3
Macro T
8
5
1
4
3
Macro X
70 400
RF (LNA / General Purpose) Selection Guide
1
MSC1067.PDF 3-10-99
50
TO-72
Low Cost RF Plastic Package Options
2
1
MACRO X
RF (Low Power PA / General Purpose) Selection
4
3.5
6
MACRO T
0.5
Type
Device
Packag
Device
GPE VCC
20
Ccb(pF)
BVCEO
IC max (mA)
400
20
Ftau (MHz)
20
12
Gu Max (dB)
12
50
Freq (MHz)
NF (dB)
NF IC (mA)
NF VCE
GNF (dB)
60
10
BVCEO
18
1
IC max (mA)
0.15
NPN 175
Efficiency (%)
NPN 175
2N4427
GPE (dB)
Pout
MRF4427, R2
Type
SO-8
TO-39
Package
GPE Freq (MHz)
RF Low Power PA, LNA, and General Purpose Discrete Selector Guide
Power
SO-8
2N3866 / 2N3866A
MSC1067.PDF 3-10-99