CNCHIPDEPOT Original Part
MMBT3906
MMBT3906 PNP BJT transistor with 40V VCEO, 200mA collector current, 300MHz fT and SOT-23 package.
Transistor PolarityPNP
Collector-Emitter Voltage (VCEO)40 V
Collector Current (IC)200 mA
DC Current Gain (hFE)100 Min @ IC = -10 mA, VCE = -1 V
Power Dissipation (PD)200 mW
PackageSOT-23
Product Overview
The MMBT3906 is a PNP bipolar junction transistor designed for general-purpose switching and small-signal amplification. It features a 40V collector-emitter voltage rating, 200mA maximum collector current, and a minimum DC current gain of 100 at 10mA collector current. Its moderate current capability and 300MHz transition frequency make it suitable for compact analog, interface, and low-current switching circuits.
Packaged in a SOT-23 surface-mount package, the MMBT3906 is well suited to space-constrained PCB designs. It can be used in PNP high-side switching, complementary transistor stages, signal amplification, buffering, and low-power control applications.
Specifications
Key electrical, package, and sourcing parameters for quick engineering review.
| Part Number | MMBT3906 |
| Brand | CNCHIPDEPOT |
| Package | SOT-23 |
| Product Type | BJT |
| Transistor Polarity | PNP |
| Collector-Emitter Voltage (VCEO) | 40 V |
| Collector Current (IC) | 200 mA |
| DC Current Gain (hFE) | 100 Min @ IC = -10 mA, VCE = -1 V |
| Power Dissipation (PD) | 200 mW |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.3 V Max (Magnitude) @ IC = -50 mA, IB = -5 mA |
| Transition Frequency (fT) | 300 MHz |
| Operating Temperature | -55°C to +150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3 / SC-59 / SOT-23-3 |
| Collector Cutoff Current | 100 nA Max |
Cross Reference & Replacement Information
The following part numbers are commonly reviewed for replacement or compatibility matching. Always verify datasheet, package, pinout, and operating conditions before bulk purchase.
| Target Brand | Target MPN | Replace Type | Notes |
|---|---|---|---|
| Texas Instruments | 2N3906 | Direct Replacement | Standard PNP transistor with equivalent specs, widely used alternative. |
| NXP Semiconductors | BC846B | Cross Reference | Similar NPN general purpose transistor with comparable electrical characteristics. |
| STMicroelectronics | MMBT3906LT1G | Exact Equivalent | Same MPN from STMicroelectronics, identical performance. |
| ON Semiconductor | PN2907A | Possible Replacement | PNP transistor with similar voltage and current ratings, check package compatibility. |
Datasheet
Download the datasheet or contact us for additional technical information.
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Typical Applications
- PNP high-side switching circuits
- General-purpose signal amplification
- Complementary NPN/PNP transistor stages
- Analog signal buffer circuits
- Low-current load switching
- Compact surface-mount control circuits
Ordering & RFQ Information
- MOQ: Contact sales
- Lead Time: 3–7 working days for stock items
- Packaging: Reel / Tube / Tray depending on package
- Sample Availability: Available on request
- Mass Production Status: 50K+ pcs Stock / Mass Production
FAQ
Can this part replace my current model?
It may be suitable depending on your circuit requirements. Please verify datasheet, package, pinout, and test samples before bulk orders.
Can I request samples?
Yes. Please submit your RFQ with target quantity and application details.
Need this part or a compatible replacement?
Send us your target part number, BOM list, quantity, and technical requirements. CNCHIPDEPOT can help review replacement options and provide RFQ support.
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SMT Assembly Workshop
SMT production and assembly capabilities supporting electronic component and PCB-related manufacturing requirements.
Semiconductor Production
Controlled production environments supporting semiconductor and electronic component manufacturing processes.
Component Testing Equipment
Electrical testing and verification equipment used to support performance checks and product consistency.
Quality Inspection Lab
Quality inspection processes help verify component condition, specifications and production consistency before shipment.