BF988 Vishay, BF988 Datasheet

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BF988

Manufacturer Part Number
BF988
Description
Manufacturer
Vishay
Datasheet

Specifications of BF988

Application
VHF/UHF
Channel Type
N
Channel Mode
Depletion
Continuous Drain Current
0.03A
Drain Source Voltage (max)
12V
Power Gain (typ)@vds
28@8VdB
Noise Figure (max)
1.5(Typ)dB
Package Type
TO-50
Pin Count
4
Forward Transconductance (typ)
0.024S
Input Capacitance (typ)@vds
2.1@8V@Gate 1/1.2@8V@Gate 2pF
Output Capacitance (typ)@vds
1.05@8VpF
Reverse Capacitance (typ)
0.025@8VpF
Operating Temp Range
-55C to 150C
Mounting
Surface Mount
Number Of Elements
1
Power Dissipation (max)
200mW
Screening Level
Military
Lead Free Status / Rohs Status
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BF988
Manufacturer:
TFK
Quantity:
3
Part Number:
BF988
Manufacturer:
STANLEY
Quantity:
10 000
N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
Features
Applications
Input- and mixer stages especially VHF- and UHF-
tuners.
Mechanical Data
Case: TO-50 Plastic case
Weight: approx. 124 mg
Marking: BF988
Pinning:
1 = Drain, 2 = Source,
3 = Gate 1, 4 = Gate 2
Parts Table
Absolute Maximum Ratings
T
Document Number 85007
Rev. 1.6, 15-Apr-05
• Integrated gate protection diodes
• High cross modulation performance
• Low noise figure
• High gain
• High AGC-range
• Low feedback capacitance
• Low input capacitance
• Lead (Pb)-free component
• Component in accordance to RoHS 2002/95/EC
BF988
BF988A
BF988B
Drain - source voltage
Drain current
Gate 1/Gate 2 - source peak
current
Total power dissipation
Channel temperature
Storage temperature range
amb
and WEEE 2002/96/EC
= 25 °C, unless otherwise specified
Parameter
Part
T
BF988A or BF988B
BF988A
BF988B
amb
≤ 60 °C
Test condition
Ordering Ccode
e3
± I
Symbol
G1/G2SM
V
P
T
T
I
DS
Ch
stg
D
BF988
BF988
BF988
tot
Electrostatic sensitive device.
Observe precautions for handling.
2
G 2
G 1
3
1
Marking
4
- 55 to + 150
Vishay Semiconductors
Value
200
150
12
30
10
TO50
TO50
TO50
D
S
Package
BF988
www.vishay.com
13625
Unit
mW
mA
mA
°C
°C
V
1

Related parts for BF988

BF988 Summary of contents

Page 1

... Mechanical Data Case: TO-50 Plastic case Weight: approx. 124 mg Marking: BF988 Pinning Drain Source Gate Gate 2 Parts Table Part BF988 BF988A or BF988B BF988A BF988A BF988B BF988B Absolute Maximum Ratings °C, unless otherwise specified amb Parameter Drain - source voltage Drain current ...

Page 2

... Test condition Symbol R thChA plated with 35 µ Test condition Part = - G1S G2S = 10 mA ± V G2S mA ± V G1S G2S G1S BF988 G1S G2S BF988A BF988B = G2S = 20 µ G1S D Test condition Symbol |y | 21s C issg1 = G2S issg2 C rss C oss = 0 ∆ 0 Value ...

Page 3

... BF988 Vishay Semiconductors S12 S22 LOG ANG LOG MAG MAG deg 83.0 -0.02 76.6 -0.06 70.9 -0.13 65.6 -0.20 60.6 -0.28 55 ...

Page 4

... BF988 Vishay Semiconductors Typical Characteristics (Tamb = 25 °C unless otherwise specified) 300 250 200 150 100 100 120 140 160 - Ambient Temperature ( ° 12159 T amb Figure 1. Total Power Dissipation vs. Ambient Temperature 30 V G1S G2S – Drain Source Voltage ( V ) 12812 DS Figure 2. Drain Current vs. Drain Source Voltage ...

Page 5

... V –20 –25 –0.4 V –30 –35 –40 1.5 0 12821 Figure 11. Short Circuit Forward Transfer Admittance 0.00 12822 BF988 Vishay Semiconductors f = 1300 MHz 1000 MHz 700 MHz 400 MHz G2S 100...1300 MHz 100 MHz Figure 10. Short Circuit Input Admittance 100 MHz ...

Page 6

... BF988 Vishay Semiconductors mA G2S j0.5 j0.2 0 0.2 0 –j0.2 1300 MHz 1000 –j0.5 12960 –j Figure 13. Input Reflection Coefficient ° 120 ° 60 ° 150 ° 300 1000 1300 MHz 100 180 ° 0.04 –150 ° –120 ° –60° 12961 –90 ° ...

Page 7

... Package Dimensions in mm Document Number 85007 Rev. 1.6, 15-Apr-05 Vishay Semiconductors 96 12242 BF988 www.vishay.com 7 ...

Page 8

... BF988 Vishay Semiconductors Ozone Depleting Substances Policy Statement It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...

Page 9

... Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right ...

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