SMBT3904S is a dual NPN silicon switching transistor in an SOT363 package, featuring two galvanically isolated transistors with good matching in a single package. It has a collector-emitter voltage rating of 40 V, a collector current of 200 mA, and a total power dissipation of 250 mW at a case temperature of 115°C. The junction temperature ranges up to 150°C with a thermal resistance from junction to soldering point of ≤140 K/W. It is RoHS compliant and qualified to AEC-Q101.
NPN Silicon Switching Transistors
Summary of Features
Manufacturer: Infineon Technologies
Win Source Part Number: 095582-SMBT3904S
Packaging: Reel - TR
Mounting: SMD (SMT)
Frequency - Transition: 300MHz
Transistor Polarity: 2 NPN (Dual)
Categories: Discrete Semiconductor Products
Temperature Range - Operating: 150°C (TJ)
Case / Package: PG-SOT363-6
Maximum Current Collector: 200mA
VCEO Maximum Collector-Emitter Breakdown Voltage: 40V
Max Vce (sat): 300mV @ 5mA, 50mA
Collector Cut-off Current(Max): 50nA (ICBO)
Typical Gain (hFE) (Min): 100 @ 10mA, 1V
Maximum Power Dissipation: 330mW
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 42 pct.
Supply and Demand Status: Balance
Application Field: Used in Power Management, Industrial
TRANS 2NPN 40V 0.2A SOT363 Product overview: SMBT3904S 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 40V, 0.2A. Search-friendly keywords include transistor, BJT, switching, amplification, 40V, 0.2A, Bipolar Transistor, Bipolar Transistor Arrays. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 277-SMBT3904S can be used for catalog matching and distributor lookup.
| Infineon Technologies AG | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | |
|---|---|---|---|
| Product Category | Bipolar RF Transistors | Transistors | Bipolar RF Transistors |
| Product Number | SMBT3904S | 095582-SMBT3904S | 277-SMBT3904S |
| Product Name | Bipolar Transistor, Fast Switching Transistor | TRANSISTORS - Transistors (BJT) - Arrays - SMBT3904S | 40V 0.2A Bipolar Transistor |
| Polarity | NPN (Dual); NPN | NPN; 2 NPN (Dual) | NPN |
| Package Type | SOT363 | SOT3; PG-SOT363-6 | Reel - TR |
| Packing Method | Tape Reel; TAPE & REEL | Reel - TR | |
| IC(max) | 200 milliamps | ||
| VCEO | 40 volts |
