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Product Detailed Parameters
- Description：RF TRANS NPN 6V 14.5GHZ
- Series：-
- Mfr：CEL
- Package：Strip
- Transistor Type：NPN
- Voltage - Collector Emitter Breakdown (Max)：6V
- Frequency - Transition：14.5GHz
- Noise Figure (dB Typ @ f)：1.5dB @ 2GHz
- Gain：12dB
- Power - Max：200mW
- DC Current Gain (hFE) (Min) @ Ic, Vce：75 @ 20mA, 3V
- Current - Collector (Ic) (Max)：50mA
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-253-4, TO-253AA
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The CEL 2SC5454 is a discontinued NPN epitaxial silicon transistor housed in a 4-pin Mini Mold package. It features high gain and low noise characteristics suitable for RF applications. Key electrical parameters include a collector-to-base voltage (VCBO) of 9V, collector-to-emitter voltage (VCEO) of 6V, and a maximum collector current (IC) of 50 mA. The device exhibits a typical DC current gain (hFE) of 150 at VCE=3V and IC=20mA, with a gain bandwidth product (fT) of 14.5 GHz at 2GHz. Reverse transfer capacitance (Cre) is typically 0.3pF at 1MHz. Noise figure ranges from 1.5 to 2.5 dB at 2GHz.
Feature Summary
- High gain performance optimized for radio frequency amplification
- Low noise figure capability for sensitive signal reception
- Small reverse transfer capacitance to minimize feedback effects
- Operational capability at low supply voltages
Applications
- RF amplifier stages in communication equipment
- Low-noise front-end circuits
- General-purpose high-frequency switching applications
Procurement Notes
This component is officially marked as discontinued by the manufacturer. Verification of availability requires checking distributor stock lists or secondary market suppliers. Confirm the specific JEITA part number NE67739/2SC5454 matches the required pinout and hFE classification R54 before integration into designs.
Selection Notes
Select this transistor for designs requiring operation below 6V with high-frequency performance up to 3GHz. Ensure biasing conditions align with the specified S-parameter test points (e.g., VCE=3V or 5V). Verify that the 4-pin Mini Mold package dimensions fit the PCB layout constraints.
Part Context
The 2SC5454 is also identified by the JEITA designation NE67739. It was manufactured by California Eastern Laboratories (CEL), which later became part of Renesas Electronics. The datasheet indicates it is an NPN epitaxial silicon transistor designed for high-frequency use.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Due to the discontinued status, alternative components must be selected based on matching electrical specifications such as fT, VCBO, and package type.
FAQ
What is the maximum operating frequency for the 2SC5454?
The Gain Bandwidth Product (fT) is specified at 14.5 GHz. S-parameters are provided up to 3000 MHz (3 GHz).
What is the hFE classification for this part?
The device belongs to hFE Classification Rank FB, with a range of 75 to 150.
Is the 2SC5454 currently in production?
No, the datasheet explicitly marks the NE67739 / 2SC5454 as DISCONTINUED.
