MMBT3904,215
- Description
- Single Bipolar Transistor, NPN, 40 V, 200 mA, 250 mW, TO-236AB (SOT-23), 3 Pins, Surface Mount
- Collector Emitter Saturation Voltage
- 200mV
- Collector Emitter Voltage (VCEO)
- 40V
- hFE Min
- 100
- Max Junction Temperature (Tj)
- 150°C
- Datasheet

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- Single NPN Bipolar Junction Transistor
- 40 V VCEO, 60 V VCBO, 6 V VEBO
- 200 mA Maximum Collector Current
- Minimum hFE of 100; 200 mV Collector-Emitter Saturation Voltage
- 250 mW Power dissipation, 150 C Maximum Junction Temperature
- -65 C to +150 C Operating range; SOT-23, 1.1 Mm height, Tape and reel, 3, 000 per Reel
The MMBT3904,215 is a single NPN bipolar junction transistor from Nexperia in a 3-pin SOT-23 package. It is rated at 40 V collector-emitter (VCEO), 60 V collector-base (VCBO) and 6 V emitter-base (VEBO), with a 200 mA maximum collector current and a minimum hFE of 100. Collector-emitter saturation voltage is 200 mV and power dissipation is 250 mW. The device operates from -65 C to +150 C.
The 3904 is the surface-mount successor to the 2N3904 and is one of the most commonly specified general-purpose NPN transistors, used for low-side switching of LEDs and relays, logic buffering and inversion, small-signal amplification, current sources and bias networks. Its 200 mV saturation voltage and hFE of 100 make it predictable as a saturated switch driven from a microcontroller pin through a base resistor. Buyers span essentially every board-level electronics segment. The listing records the collector-emitter voltage at 40 V, which is the standard 3904 rating.
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Quantity
Let us do the sourcing. Even if it's not available now, our team can track it down and tailor a solution just for you.