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BB844
Silicon Variable Capacitance Diode
For FM radio tuner with extended frequency band
77MHz to 108MHz
Designed for application requiring back-to-back
diode configuration for optimum signal distortion and detuning
High tuning ratio at low supply voltage (car radio) Monolitic chip (common cathode) for perfect
dual diode tracking
Good C- V linearity High figure of merit
BB844
3
D 1
D 2
1
2
Type BB844
Package SOT23
Configuration common cathode
LS (nH) Marking 1.8 SNs
Maximum Ratings at TA = 25°C, unless otherwise specified Parameter Symbol Diode reverse voltage Peak reverse voltage Forward current Operating temperature range Storage temperature VR VRM IF Top Tstg
Value 18 20 50 -55 ... 150 -55 ...