ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：RF TRANS NPN 40V 1.1GHZ TO-92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Box (TB)
- Transistor Type：NPN
- Voltage - Collector Emitter Breakdown (Max)：40V
- Frequency - Transition：1.1GHz
- Noise Figure (dB Typ @ f)：-
- Gain：-
- Power - Max：350mW
- DC Current Gain (hFE) (Min) @ Ic, Vce：65 @ 1mA, 10V
- Current - Collector (Ic) (Max)：50mA
- Operating Temperature：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
Download product information
Overview
The BF240_ND74Z is an NPN medium frequency transistor manufactured by onsemi, housed in a TO-92 (SOT54) plastic package. It features a maximum collector current of 25 mA and a maximum voltage rating of 40 V. Designed for RF applications, this component serves as a core element in AM mixers and intermediate frequency amplifiers within AM/FM receivers. The device utilizes silicon planar epitaxial technology to ensure reliable performance in low-current, low-voltage operational environments typical of consumer radio electronics.
Feature Summary
- NPN medium frequency transistor construction
- Low current capability up to 25 mA
- Low voltage operation with 40 V rating
- Silicon planar epitaxial technology
Applications
- AM mixer circuits
- IF amplifiers in AM receivers
- IF amplifiers in FM receivers
Procurement Notes
Verify the specific suffix ND74Z against official onsemi documentation to confirm packaging details such as tape and reel specifications. Confirm RoHS compliance status and environmental classifications prior to integration. Ensure the component matches the required TO-92 form factor for the target PCB layout. Cross-reference the datasheet for any updates regarding lead-free processing or material declarations.
Selection Notes
Select this component when designing circuits requiring NPN transistors for medium frequency signal processing. The 40 V rating and 25 mA current limit define the operational boundaries for amplifier stages. Consider the TO-92 package constraints for thermal management and board space. Validate that the application does not exceed the specified voltage or current limits to maintain device integrity.
Part Context
This part belongs to the BF240 series of NPN silicon planar epitaxial RF transistors. It is functionally related to other devices in the BF199, BF570, and BF840 families, which share similar medium frequency transistor characteristics. These components are commonly used in legacy and modern radio receiver designs where small-signal amplification and mixing are required.
Replacement Considerations
Direct substitutes include BF240 variants from manufacturers like NXP Semiconductors, Motorola, and Fairchild Semiconductor. Verify pinout compatibility and electrical parameters such as hFE and breakdown voltages before substitution.
