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BFQ645
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BFQ645

SKU: BFQ645
BFQ645 Transistor Silicon NPN CASE: SOT173 MAKE: Siemens Semiconductors
Product specifications
Type Transistor Silicon NPN
Case SOT173
Manufacturer Siemens Semiconductors
Vbr CBO 25
@Freq. (test) 2.0G
@Ic (A) 3.0m
@Ic (A) 7.0m
Mat. Silicon Logic
Noise Fig. 0.9
Polarity NPN
PD Max. (W) 400m
S11 Deg. (Typ) 169
S11 Mag Typ. .509
S22 Deg. Typ. 53
S22 Mag Typ. .385
@VDS (VCE) (test) (V) 8.0
Coll. (or drain) Current Max. 40m
@Freq. (test) 10M
@VCE (test) 10
Oper. Temp (°C) Max. 175
Pinout Equivalence Number 4-34
Surface Mounted Yes/No YES
Maximum Collector Power Dissipation (Pc) 0.1 W
Maximum Collector-Base Voltage |Vcb| 12 V
Maximum Collector Current |Ic max| 0.04 A
Max. Operating Junction Temperature (Tj) 175 °C
Transition Frequency (ft): 9000 MHz
Forward Current Transfer Ratio (hFE), MIN 15
SKU 577442
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