NPN Silicon High-Voltage Transistors
Summary of Features
Manufacturer: Infineon Technologies
Win Source Part Number: 328310-SMBTA42
Packaging: Reel - TR
Mounting: SMD (SMT)
Frequency - Transition: 70MHz
Transistor Polarity: NPN
Family Name: SMBTA42
Categories: Discrete Semiconductor Products
Temperature Range - Operating: 150°C (TJ)
Case / Package: PG-SOT23-3
Maximum Current Collector: 500mA
VCEO Maximum Collector-Emitter Breakdown Voltage: 300V
Max Vce (sat): 500mV @ 2mA, 20mA
Collector Cut-off Current(Max): 100nA (ICBO)
Typical Gain (hFE) (Min): 40 @ 30mA, 10V
Maximum Power Dissipation: 360mW
Alternative Parts (Cross-Reference): CMPTA42 Lead Free; UFMMT497TA; KST42MTF_Q; FMMT497TC;
Introduction Date: May 01, 1991
ECCN: EAR99
Country of Origin: China, Malaysia
Estimated EOL Date: 2022
Halogen Free: Not Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 53 pct.
Supply and Demand Status: Balance
Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R / TRANS NPN 300V 0.5A SOT-23 Product overview: SMBTA42 from Infineon Technologies is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Automotive, 300V, 0.5A, SOT-23. Search-friendly keywords include transistor, BJT, switching, amplification, Automotive, 300V, 0.5A, SOT-23, Bipolar Transistor, Single Bipolar Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 276-SMBTA42 can be used for catalog matching and distributor lookup.
| Infineon Technologies AG | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | |
|---|---|---|---|
| Product Category | Bipolar RF Transistors | Bipolar RF Transistors | Bipolar RF Transistors |
| Product Number | SMBTA42 | 328310-SMBTA42 | 276-SMBTA42 |
| Product Name | Bipolar Transistor, High Voltage Transistor | TRANSISTORS - Transistors (BJT) - Single - SMBTA42 | Automotive 300V 0.5A SOT-23 Bipolar Transistor |
| Polarity | NPN (Single); NPN | NPN; NPN | NPN |
| Package Type | SOT23; SOT23 | SOT3; SOT23; PG-SOT23-3 | Reel - TR |
| Packing Method | Tape Reel; TAPE & REEL | Tape Reel; Reel - TR | Reel - TR |
| IC(max) | 30 to 500 milliamps | 500 milliamps | |
| VCEO | 300 volts | 300 volts |
