規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Transistor Type | NPN |
| Current - Collector(Ic)(Max) | 1 A |
| Voltage - Collector Emitter Breakdown(Max) | 60 V |
| Vce Saturation(Max) @ Ib Ic | 250mV @ 100mA, 1A |
| Current - Collector Cutoff(Max) | 100nA |
| DC Current Gain(h FE)(Min) @ Ic Vce | 100 @ 500mA, 5V |
| Power - Max | 500 mW |
| Frequency - Transition | 150MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
FMMT491TA is likely a specialized course or module code, possibly related to finance, technology, or engineering, though specifics may vary by institution. Typically, such courses cover advanced topics in their field, such as financial modeling, mechatronics, or technical applications.
For precise details, consult your institution’s course catalog or syllabus, as naming conventions are often unique. If it’s a technical subject (e.g., "Finite Element Methods in Mechanical Engineering"), expect hands-on projects or theoretical frameworks. If finance-related, it may involve trading algorithms or risk management.
Key features often include:
- Prerequisites (e.g., prior coursework in math or programming).
- Applied learning (labs, case studies).
- Industry-relevant tools (MATLAB, Python, Bloomberg Terminal).
For clarity, verify with your academic advisor or department. If this is a product code (e.g., semiconductor), check the manufacturer’s documentation.
For precise details, consult your institution’s course catalog or syllabus, as naming conventions are often unique. If it’s a technical subject (e.g., "Finite Element Methods in Mechanical Engineering"), expect hands-on projects or theoretical frameworks. If finance-related, it may involve trading algorithms or risk management.
Key features often include:
- Prerequisites (e.g., prior coursework in math or programming).
- Applied learning (labs, case studies).
- Industry-relevant tools (MATLAB, Python, Bloomberg Terminal).
For clarity, verify with your academic advisor or department. If this is a product code (e.g., semiconductor), check the manufacturer’s documentation.
Equivalent
Equivalent products to the FMMT491TA (PNP transistor, SOT-23 package) include:
- BC856B (Nexperia/ON Semi)
- 2N2907A (TO-92, but similar specs)
- MMBT491 (Fairchild/ON Semi)
- PBSS8110Z (Nexperia, enhanced PNP)
Check datasheets for exact parameter matching. For direct SOT-23 replacements, BC856B or MMBT491 are closest.
- BC856B (Nexperia/ON Semi)
- 2N2907A (TO-92, but similar specs)
- MMBT491 (Fairchild/ON Semi)
- PBSS8110Z (Nexperia, enhanced PNP)
Check datasheets for exact parameter matching. For direct SOT-23 replacements, BC856B or MMBT491 are closest.
Features
The FMMT491TA is a PNP bipolar junction transistor (BJT) with the following key features:
- Type: PNP transistor
- Voltage Ratings:
- Collector-Emitter Voltage (VCE): -20V
- Collector-Base Voltage (VCB): -20V
- Emitter-Base Voltage (VEB): -5V
- Current Ratings:
- Continuous Collector Current (IC): -1A
- Power Dissipation (Ptot): 625mW
- Gain (hFE): 100–300 (at IC = -150mA)
- Package: SOT-23 (small surface-mount package)
- Applications: Switching, amplification, and general-purpose low-power circuits.
Compact and efficient, it’s suitable for portable and space-constrained designs.
- Type: PNP transistor
- Voltage Ratings:
- Collector-Emitter Voltage (VCE): -20V
- Collector-Base Voltage (VCB): -20V
- Emitter-Base Voltage (VEB): -5V
- Current Ratings:
- Continuous Collector Current (IC): -1A
- Power Dissipation (Ptot): 625mW
- Gain (hFE): 100–300 (at IC = -150mA)
- Package: SOT-23 (small surface-mount package)
- Applications: Switching, amplification, and general-purpose low-power circuits.
Compact and efficient, it’s suitable for portable and space-constrained designs.
Pinout
The FMMT491TA is a SOT-23 packaged NPN transistor with 3 pins (Emitter, Base, Collector). Key functions:
- High current gain (hFE) for amplification.
- Low saturation voltage for efficient switching.
- Moderate power dissipation (200mW).
Common uses: signal amplification, switching circuits, and driver applications.
Pinout (standard SOT-23):
1. Pin 1 (Emitter)
2. Pin 2 (Base)
3. Pin 3 (Collector)
Check datasheet for exact pinout confirmation.
- High current gain (hFE) for amplification.
- Low saturation voltage for efficient switching.
- Moderate power dissipation (200mW).
Common uses: signal amplification, switching circuits, and driver applications.
Pinout (standard SOT-23):
1. Pin 1 (Emitter)
2. Pin 2 (Base)
3. Pin 3 (Collector)
Check datasheet for exact pinout confirmation.
Manufacturer
The FMMT491TA is a PNP bipolar junction transistor (BJT) manufactured by Diodes Incorporated, a global semiconductor company.
Diodes Incorporated specializes in producing high-quality discrete, analog, and mixed-signal semiconductors for various applications, including consumer electronics, computing, communications, and industrial markets. Known for reliability and innovation, the company offers a broad portfolio of diodes, transistors, MOSFETs, and power management ICs.
The FMMT491TA is part of their small-signal transistor lineup, designed for switching and amplification in compact, energy-efficient circuits.
Diodes Incorporated specializes in producing high-quality discrete, analog, and mixed-signal semiconductors for various applications, including consumer electronics, computing, communications, and industrial markets. Known for reliability and innovation, the company offers a broad portfolio of diodes, transistors, MOSFETs, and power management ICs.
The FMMT491TA is part of their small-signal transistor lineup, designed for switching and amplification in compact, energy-efficient circuits.
Application
The FMMT491TA is a PNP bipolar transistor commonly used in:
1. Switching Circuits – Fast switching in relays, LEDs, and small motors.
2. Amplification – Low-power signal amplification in audio and RF stages.
3. Power Management – Voltage regulation and load control in portable devices.
4. Automotive Electronics – Sensor interfaces and lighting controls.
5. Consumer Electronics – Used in gadgets like remote controls and power supplies.
Its high current gain (hFE) and low saturation voltage make it suitable for efficient, compact designs.
1. Switching Circuits – Fast switching in relays, LEDs, and small motors.
2. Amplification – Low-power signal amplification in audio and RF stages.
3. Power Management – Voltage regulation and load control in portable devices.
4. Automotive Electronics – Sensor interfaces and lighting controls.
5. Consumer Electronics – Used in gadgets like remote controls and power supplies.
Its high current gain (hFE) and low saturation voltage make it suitable for efficient, compact designs.
Package
The FMMT491TA is a PNP bipolar junction transistor (BJT) in a SOT-23 surface-mount package. This compact 3-pin package is widely used for small-signal applications, offering efficient space utilization on PCBs. Key features include a small footprint (2.9mm x 1.3mm x 0.95mm) and suitability for automated assembly. Ideal for switching and amplification in low-power circuits.