Manufacturer Part Number
MMBF4091
Manufacturer
onsemi
Introduction
The MMBF4091 is an n-channel JFET designed for high-performance switching applications.
Product Features and Performance
N-channel JFET
Voltage - Breakdown (V(BR)GSS): 40 V
Current - Drain (Idss) @ Vds (Vgs=0): 30 mA @ 20 V
Voltage - Cutoff (VGS off) @ Id: 5 V @ 1 nA
Input Capacitance (Ciss) (Max) @ Vds: 16pF @ 20V
Resistance - RDS(On): 30 Ohms
Power - Max: 350 mW
Operating Temperature: -55°C ~ 150°C (TJ)
Surface Mount Technology
Product Advantages
Low on-resistance: 30 Ohms
High breakdown voltage: 40 V
Efficient switching characteristics
Wide operating temperature range
Compact SOT-23-3 package for space-saving designs
Key Technical Parameters
FET Type: N-Channel
Voltage - Breakdown: 40 V
Current - Drain: 30 mA
Voltage - Cutoff: 5 V
Input Capacitance: 16pF
Resistance - RDS(On): 30 Ohms
Power - Max: 350 mW
Quality and Safety Features
Operates reliably in temperatures ranging from -55°C to 150°C
Designed to meet stringent onsemi quality standards
Compatibility
Compatible with surface mount technology applications
Encased in TO-236-3, SC-59, SOT-23-3 package for easy integration
Application Areas
High-frequency switching applications
Audio and video signal processing
Telecommunications
Computer and peripheral devices
Product Lifecycle
The product is obsolete, indicating discontinuation
Potential seekers should verify availability of replacements or upgrades
Several Key Reasons to Choose This Product
Obsolete product offering for unique or legacy applications
High breakdown voltage for robust performance in demanding conditions
Low on-resistance enhances overall efficiency
Suitable for a wide range of operating temperatures
Compact packaging suitable for space-constrained applications