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2SC2668
TOSHIBA Transistor Silicon NPN Epitaxial Planar Type (PCT process)
2SC2668
High Frequency Amplifier Applications FM, RF, IF Amplifier Applications
* * Small reverse transfer capacitance: Cre = 0.70 pF (typ.) Low noise figure: NF = 2.5dB (typ.) Unit: mm
Maximum Ratings (Ta = 25C)
Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Emitter current Collector power dissipation Junction temperature range Storage temperature range Symbol VCBO VCEO VEBO IC IB PC Tj Tstg Rating 40 30 4 20 4 100 125 -55~125 Unit V V V mA mA mW C C
JEDEC JEITA TOSHIBA
2-4E1A
Weight: 0.13 g (typ.)
Electrical Characteristics (Ta = 25C)
Characteristics Collector cut-off current Emitter cut-off current DC current gain Reverse transfer capacitance Transition frequency Collector-base time constant Noise figure Power gain Symbol ICBO IEBO hFE (Note) Cre fT Ccrbb' NF Gpe Test Condition VCB = 40 V, IE = 0 VEB = 4 V, IC = 0 VCE = 6 V, IC = 1 mA VCE = 6 V, f = 1 MHz VCE = 6 V, IC = 1 mA VCE = 6 V, IE = -1 mA, f = 30 MHz VCC = 6 V, IE = -1 mA, f = 100 MHz, (Figure 1) Min 3/4 3/4 40 3/4 3/4 3/4 3/4 3/4 Typ. 3/4 3/4 3/4 0.70 550 3/4 2.5 18 Max 0.5 0.5 200 3/4 3/4 30 5.0 3/4 pF MHz ps dB dB Unit mA mA
Note: hFE classification
R: 40~80
O: 70~140
Y: 100~200
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L1: 0.8 mmf silver plated copper wire, 4 turns. 10 mm ID, 8 mm length.
Figure 1 Y Parameter (typ.)
(1)
NF, Gpe Test Circuit
Common emitter (VCE = 6 V, IE = -1 mA, f = 100 MHz)
Characteristics Input conductance Input capacitance Reverse transfer admittance Phase angle of reverse transfer admittance Forward transfer admittance Phase angle of forward transfer admittance Output conductance Output capacitance Symbol gie Cie iYrei qre iYfei qfe goe Coe Typ. 2.9 10.2 0.33 -90 40 -20 45 1.1 Unit ms pF ms ms ms pF
(2)
Common base (VCB = 6 V, IE = -1 mA, f = 100 MHz)
Characteristics Input conductance Input capacitance Reverse transfer admittance Phase angle of reverse transfer admittance Forward transfer admittance Phase angle of forward transfer admittance Output conductance Output capacitance Symbol gib Cib iYrbi qrb iYfbi qfb gob Cob Typ. 34 -10 0.27 -105 34 165 45 1.1 Unit ms pF ms ms ms pF
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RESTRICTIONS ON PRODUCT USE
000707EAA
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice.
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