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Product Detailed Parameters
- Description：RF TRANS NPN 25V 650MHZ SOT-23
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Transistor Type：NPN
- Voltage - Collector Emitter Breakdown (Max)：25V
- Frequency - Transition：650MHz
- Noise Figure (dB Typ @ f)：-
- Gain：-
- Power - Max：350mW
- DC Current Gain (hFE) (Min) @ Ic, Vce：60 @ 4mA, 10V
- Current - Collector (Ic) (Max)：-
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23
- Grade：-
- Qualification：-
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Overview
The CMPTH10 TR is a surface mount NPN silicon RF transistor manufactured via the epitaxial planar process and housed in an SOT-23 package. Designed for low noise UHF/VHF amplifier and high output oscillator applications, it features a collector-base voltage of 30 V, a collector-emitter voltage of 25 V, and a power dissipation rating of 350 mW at 25°C ambient temperature. The device exhibits a transition frequency (fT) of 650 MHz at 100 MHz test conditions, with a base-collector capacitance of 0.70 pF. It operates within a junction temperature range of -65 to +150 °C and includes a thermal resistance of 357 °C/W.
Feature Summary
- Epitaxial planar construction for reliable RF performance
- Optimized for low noise UHF/VHF amplifier circuits
- Suitable for high output oscillator designs
- Surface mount SOT-23 packaging for compact integration
Applications
- Low noise UHF amplifiers
- VHF amplifiers
- High output oscillators
Procurement Notes
Verify current availability status as the CMPTH10 TR has been classified as End of Life by Central Semiconductor Corp. Confirm if stock-only fulfillment applies or if alternative sourcing is required. Request technical data from [email protected] for potential alternate sources since no direct replacement part number is listed in official documentation.
Selection Notes
Select this component for designs requiring an NPN silicon RF transistor with a 650 MHz transition frequency and low noise characteristics in an SOT-23 package. Ensure the circuit operates within the 25 V collector-emitter voltage limit and 350 mW power dissipation constraints. Verify compatibility with UHF/VHF frequency ranges and check lead-free plating requirements against ordering suffix specifications.
Part Context
The CMPTH10 is part of Central Semiconductor Corp's discrete semiconductor portfolio, specifically their surface mount RF transistor line. Manufactured using the CP302 wafer process, which is now discontinued, the device belongs to a series designed for specialized RF applications. It shares design similarities with other NPN RF transistors in the company's catalog but is distinct due to its specific low-noise optimization and SOT-23 form factor.
Replacement Considerations
No public confirmed substitute part numbers are available for the CMPTH10 TR. Central Semiconductor lists it as End of Life with no direct replacement provided. Contact [email protected] for assistance in locating an alternate source.
