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Product Detailed Parameters
- Description：RF TRANS NPN 20V 600MHZ TO-92-3
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Transistor Type：NPN
- Voltage - Collector Emitter Breakdown (Max)：20V
- Frequency - Transition：600MHz
- Noise Figure (dB Typ @ f)：3dB ~ 5dB @ 100MHz
- Gain：-
- Power - Max：250mW
- DC Current Gain (hFE) (Min) @ Ic, Vce：120 @ 1mA, 6V
- Current - Collector (Ic) (Max)：20mA
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The KSC1674CYTA is an NPN silicon epitaxial planar transistor manufactured by Fairchild Semiconductor. It is housed in a TO-92 plastic package with three leads. The device is rated for a maximum collector current of 0.02 A and a collector-emitter voltage of 20 V. It features a minimum DC current gain (hFE) of 70, ensuring reliable amplification performance. The component operates within a temperature range up to 150 °C and has a maximum power dissipation of 0.25 W. Designed for high-frequency applications, it complies with RoHS standards and contains no lead.
Feature Summary
- NPN configuration suitable for general-purpose switching and amplification
- High-frequency band operation capability
- Lead-free construction compliant with environmental directives
Applications
- General-purpose amplifier circuits
- Switching applications in consumer electronics
- Signal processing stages requiring low-power NPN control
Procurement Notes
Verify the specific suffix CYTA against official Fairchild documentation to confirm pinout and marking details. Ensure compliance requirements match project specifications. Request manufacturer datasheets for thermal derating curves and absolute maximum ratings prior to integration into final designs.
Selection Notes
Select this component when a low-current NPN transistor with 20V breakdown is required. Compare hFE ranges against circuit biasing needs. Verify package compatibility with existing PCB footprints. Consider thermal management constraints given the 0.25W dissipation limit in enclosed environments.
Part Context
This part belongs to the KSC1674 series of small-signal NPN transistors. It shares functional characteristics with other members of the family but may differ in packaging or specific electrical tolerances. The CYTA suffix typically denotes a specific tape-and-reel or bulk packaging variant intended for automated assembly processes.
Replacement Considerations
Direct substitutes include KSC1674OTA and KSC1674ZTA from the same manufacturer family. Cross-brand replacements must match the 20V Vceo, 20mA Ic, and TO-92 package dimensions. Verify equivalent hFE grades and frequency response characteristics before substitution.
