FMMT617TA Diodes Inc. Transistor BJT NPN (SOT23 (3-Pin)) In Stock
Diodes Inc. FMMT617TA is a single NPN bipolar transistor rated at 3 A collector current and 15 V collector-emitter voltage, with a minimum DC current gain (hFE) of 150, housed in a compact 3-pin SOT-23 surface mount package.
- Manufacturer
- Diodes Inc.
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- FMMT617TA Datasheet PDF
- Category
- Transistor BJT NPN
- Price
- From $0.0500(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High 3 A collector current in a small SOT-23 package enables efficient load switching without requiring larger through-hole devices
- Low 15 V VCEO with hFE ≥ 150 at 3 A delivers strong current amplification for low-voltage power management and motor drive stages
- Single NPN configuration in SOT-23 (JESD-30 R-PDSO-G3) reduces BOM complexity for discrete transistor switch and amplifier designs
Applications
FMMT617TA is used in portable electronics, battery-powered devices, and DC-DC converter circuits that require a compact, high-current NPN transistor for load switching or low-side drive at up to 3 A and 15 V. Its high hFE of 150 also makes it suitable for audio preamplifier stages and sensor signal conditioning where low input drive current must control larger output currents.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 12Weeks |
| YTEOL | 7 |
| Collector Current-Max (IC) | 3A |
| Collector-Emitter Voltage-Max | 15V |
| Configuration | SINGLE |
| DC Current Gain-Min (hFE) | 150 |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity/Channel Type | NPN |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Transition Frequency-Nom (fT) | 120MHz |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum collector current and VCEO rating of FMMT617TA?
FMMT617TA is rated for a maximum collector current (IC) of 3 A and a collector-emitter voltage (VCEO) of 15 V. These ratings make it suitable for low-voltage high-current switching applications, such as driving LED arrays or small relay coils in 5 V and 12 V systems, while the SOT-23 package keeps the PCB footprint under 3 mm x 3 mm.
How does the hFE of FMMT617TA affect base drive requirements in a 3 A switching circuit?
With a minimum DC current gain (hFE) of 150 at 3 A collector current, FMMT617TA requires a base drive current of no more than 20 mA to fully saturate the transistor at full load. This low base current demand is compatible with standard 3.3 V or 5 V microcontroller GPIO outputs that typically source or sink up to 24 mA, simplifying the gate drive circuit design.
Is FMMT617TA a drop-in replacement for other SOT-23 NPN transistors rated near 3 A?
FMMT617TA can serve as a replacement candidate for other SOT-23 NPN transistors with similar 3 A and 15 V ratings, provided the hFE and saturation voltage specifications are also met. Designers should verify VCE(sat) at the target IC (typically below 400 mV at 3 A for comparable devices) and confirm the package pinout matches, since SOT-23 NPN transistors from different manufacturers occasionally differ in base-emitter-collector pin assignment.
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About Diodes Inc.
Diodes Inc. is a leading electronic component manufacturer. FindMyChip sources Diodes Inc. ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.0500 | $0.05 |
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