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BFU690F
NPN wideband silicon RF transistor
Rev. 1 -- 16 December 2010 Product data sheet
1. Product profile
1.1 General description
NPN silicon microwave transistor for high speed, low noise applications in a plastic, 4-pin
dual-emitter SOT343F package.
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling
electrostatic sensitive devices.
Such precautions are described in the ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A or
equivalent standards.
1.2 Features and benefits
Low noise high linearity microwave transistor
High output third-order intercept point 34 dBm at 1.8 GHz
40 GHz fT silicon technology
1.3 Applications
Ka band oscillators DRO's
C-band high output buffer amplifier
ZigBee
LTE, cellular, UMTS
NXP Semiconductors BFU690F
NPN wideband silicon RF transistor
1.4 Quick reference data
Table 1. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
VCBO collector-base voltage open emitter - - 16 V
VCEO collector-emitter voltage open base - - 5.5 V
VEBO emitter-base voltage open collector - - 2.5 V
IC collector current - 70 100 mA
Ptot total power dissipation Tsp 90 C [1] - - 230 mW
hFE DC current gain IC = 20 mA; VCE = 2 V; 90 135 180
Tj = 25 C
CCBS collector-base VCB = 2 V; f = 1 MHz - 404 - fF
capacitance
fT transition frequency IC = 60 mA; VCE = 1 V; - 18 - GHz
f = 2 GHz; Tamb = 25 C
Gp(max) maximum power gain IC = 60 mA; VCE = 1 V; [2] - 20.5 - dB
f = 1.8 GHz; Tamb = 25 C
NF noise figure IC = 15 mA; VCE = 2 V; - 0.65 - dB
f = 1.8 GHz; S = opt
PL(1dB) output power at 1 dB IC = 70 mA; VCE = 4 V; - 22 - dBm
gain compression ZS = ZL = 50 ;
f = 1.8 GHz; Tamb = 25 C
[1] Tsp is the temperature at the solder point of the emitter lead.
[2] Gp(max) is the maximum power gain, if K > 1. If K < 1 then Gp(max) = Maximum Stable Gain (MSG).
2. Pinning information
Table 2. Discrete pinning
Pin Description Simplified outline Graphic symbol
1 emitter
3 4 4
2 base
3 emitter 2
4 collector
1, 3
2 1 mbb159
3. Ordering information
Table 3. Ordering information
Type number Package
Name Description Version
BFU690F - plastic surface-mounted flat pack package; reverse SOT343F
pinning; 4 leads
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