MMBT3906 (In Stock:2569)

Single Bipolar Transistors
Manufacturer:
Mfr. Part #:
onzuu Part #:
Datasheet:
Description:
MMBT3906
276-MMBT3906
MMBT3906 Overview: Learn about the features, specs, applications, datasheet, and where to buy the obsolete PNP transistor MMBT3906. Ideal for circuit design and sourcing alternatives.

MMBT3906 Description

MMBT3906 Transistor Overview

The MMBT3906 is a general-purpose PNP bipolar junction transistor (BJT) designed for low-power amplification and switching applications. Manufactured by onsemi, this device is offered in a compact SOT-23 surface-mount package. Although now obsolete, it remains widely referenced in legacy designs.

MMBT3906

Datasheet

Download the official datasheet for the MMBT3906 to access detailed electrical characteristics and circuit guidelines:

Features

  • PNP-type small signal transistor
  • Surface mount SOT-23 package
  • Max Collector Current (Ic): 200mA
  • Max Collector-Emitter Voltage (Vce): 40V
  • High transition frequency (ft) of 300MHz
  • Low Vce(sat): 300mV @ 50mA
  • Operating temperature range: -55°C to +150°C
  • Obsolete status—suitable for legacy support or finding alternatives

Specifications

Parameter Value
Manufacturer onsemi
Series SOT-23
Packaging Tape & Reel (TR), Cut Tape (CT), Digi-Reel®
Part Status Obsolete
Transistor Type PNP
Collector Current (Ic) 200 mA (max)
Collector-Emitter Breakdown Voltage (Vce) 40 V
Vce Saturation 300mV @ 5mA, 50mA
Cutoff Current (ICBO) 100 nA
DC Gain (hFE) 100 @ 10mA, 1V
Power Dissipation 200 mW
Transition Frequency 300 MHz
Operating Temperature -55°C ~ 150°C
Mounting Type Surface Mount
Package TO-236-3 (SOT-23-3)
Supplier Package SOT-23-3

Applications

  • General-purpose switching circuits
  • Signal amplification
  • Load driving in embedded systems
  • Low-power analog circuits
  • Legacy product repairs and maintenance

🛒 Buy MMBT3906 or Find Alternatives

Looking for MMBT3906 or equivalent parts? Contact Onzuu, your trusted electronic component distributor. We offer sourcing, BOM services, and global delivery.

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Why Choose Onzuu as Your Distributor

Onzuu is a reliable B2B electronic components distributor offering competitive pricing, fast global shipping, and comprehensive BOM services. We specialize in hard-to-find and obsolete parts like the MMBT3906.

  • Bulk purchasing options
  • Quality assurance
  • Technical support and sourcing service

Frequently Asked Questions (FAQ)

Q1: Is the MMBT3906 still in production?
A1: No, it is marked as obsolete. Consider suitable replacements or check distributor stock.
Q2: What is a good replacement for the MMBT3906?
A2: Compatible PNP transistors like 2N3906 (through-hole) or BC856 (SMD) can be alternatives, depending on your requirements.
Q3: What does SOT-23 mean?
A3: SOT-23 is a small-outline transistor surface-mount package, ideal for compact PCB designs.

Conclusion

The MMBT3906 remains a reference transistor for general-purpose applications in legacy and compact designs. With low power dissipation, reasonable switching performance, and wide availability through distributors like Onzuu, it’s a practical choice where PNP SMD transistors are required.

Technical specifications

Operating Temperature150°C (TJ)
Frequency - Transition250MHz
Current - Collector (Ic) (Max)200 mA
Vce Saturation (Max) @ Ib, Ic400mV @ 5mA, 50mA
ECCNEAR99
Mounting TypeSurface Mount
Product StatusObsolete
Voltage - Collector Emitter Breakdown (Max)40 V
Supplier Device PackageSOT-23-3
Series-
Transistor TypePNP
Package / CaseTO-236-3, SC-59, SOT-23-3
Power - Max350 mW
REACH StatusREACH Unaffected
MfrSTMicroelectronics
Current - Collector Cutoff (Max)-
HTSUS8541.21.0075
PackageTape & Reel (TR)
RoHS StatusROHS3 Compliant
DC Current Gain (hFE) (Min) @ Ic, Vce100 @ 10mA, 1V
Base Product NumberMMBT
Moisture Sensitivity Level (MSL)1 (Unlimited)

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Estimated Delivery

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