BLF278,112 NXP Semiconductors, BLF278,112 Datasheet - Page 20

• Manufacturer Part Number: BLF278,112
• Description: TRANSISTOR RF DMOS SOT262A1
• Manufacturer: NXP Semiconductors

Specifications of BLF278,112

• Package / Case: SOT-262A1
• Transistor Type: 2 N-Channel (Dual)
• Frequency: 108MHz
• Gain: 22dB
• Voltage - Rated: 125V
• Current Rating: 18A
• Current - Test: 100mA
• Voltage - Test: 50V
• Power - Output: 300W
• Minimum Operating Temperature: - 65 C
• Mounting Style: SMD/SMT
• Resistance Drain-source Rds (on): 0.3 Ohm @ 10 V
• Transistor Polarity: N-Channel
• Configuration: Dual Common Source
• Drain-source Breakdown Voltage: 125 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 18 A
• Power Dissipation: 500000 mW
• Maximum Operating Temperature: + 200 C
• Application: VHF
• Channel Type: N
• Channel Mode: Enhancement
• Drain Source Voltage (max): 125V
• Power Gain (typ)@vds: 20(Min)@50V/18@50V/16@50VdB
• Frequency (max): 225MHz
• Package Type: CDFM
• Pin Count: 5
• Forward Transconductance (typ): 6.2S
• Drain Source Resistance (max): 300@10Vmohm
• Input Capacitance (typ)@vds: 480@50VpF
• Output Capacitance (typ)@vds: 190@50VpF
• Reverse Capacitance (typ): 14@50VpF
• Operating Temp Range: -65C to 200C
• Drain Efficiency (typ): 80%
• Mounting: Screw
• Mode Of Operation: CW Class-AB/CW Class-B/CW Class-C
• Number Of Elements: 2
• Power Dissipation (max): 500000mW
• Vswr (max): 7
• Screening Level: Military
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-2412; 933978520112; BLF278; BLF278

Philips Semiconductors
BLF278 scattering parameters
V
Note
1. For more extensive s-parameters see internet:
2003 Sep 19
DS
VHF push-pull power MOS transistor
f (MHz)
http://www.semiconductors.philips.com/markets/communications/wirelesscommunications/broadcast.
1000
= 50 V; I
100
125
150
175
200
250
300
350
400
450
500
600
700
800
900
10
20
30
40
50
60
70
80
90
5
D
= 500 mA; note 1
|s
0.87
0.88
0.88
0.88
0.89
0.91
0.92
0.93
0.94
0.95
0.95
0.97
0.97
0.98
0.98
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
0.99
11
|
s
11
179.2
178.1
177.1
176.1
175.1
174.2
172.4
170.7
168.9
167.1
165.2
142.1
159.8
169.0
171.2
172.2
172.9
173.5
174.1
174.7
175.2
175.7
176.9
177.9
178.7
179.5
60.05
32.09
15.70
|s
9.98
6.99
5.24
4.08
3.26
2.66
2.22
1.88
1.27
0.91
0.69
0.54
0.35
0.25
0.19
0.14
0.11
0.09
0.07
0.05
0.04
0.04
0.04
21
|
s
21
104.3
91.4
77.3
68.4
61.0
55.0
49.6
44.9
41.0
37.5
34.0
26.8
22.7
19.5
16.0
12.1
14.8
24.0
35.6
46.0
60.3
9.1
8.2
7.2
8.1
9.7
20
|s
0.00
0.00
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.03
0.03
0.04
0.04
12
|
s
12
0.68
13.4
35.3
65.3
78.0
86.7
87.8
90.3
91.4
92.2
91.5
91.4
91.6
92.5
93.1
94.1
19.4
3.4
10.3
15.0
18.3
19.8
19.7
18.0
4.4
1.9
167.5
|s
0.83
0.62
0.64
0.66
0.70
0.74
0.78
0.80
0.83
0.85
0.88
0.91
0.94
0.95
0.96
0.98
0.98
0.99
0.99
0.99
0.99
0.99
1.00
1.00
1.00
Product Specification
22
|
s
BLF278
22
160.9
165.8
177.6
179.5
178.3
177.1
176.0
175.0
175.8
171.2
168.1
166.8
166.5
166.5
166.7
167.4
169.4
170.0
170.8
172.4
174.0
175.5
176.5
177.6
178.3
179.2