Part Details for ZTX749 by Zetex / Diodes Inc
Results Overview of ZTX749 by Zetex / Diodes Inc
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
ZTX749 Information
ZTX749 by Zetex / Diodes Inc is a Small Signal Bipolar Transistor.
Small Signal Bipolar Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Part Details for ZTX749
ZTX749 CAD Models
ZTX749 Part Data Attributes
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ZTX749
Zetex / Diodes Inc
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Datasheet
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ZTX749
Zetex / Diodes Inc
Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, E-LINE PACKAGE-3
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | ZETEX PLC | |
| Package Description | E-LINE PACKAGE-3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 2 A | |
| Collector-Base Capacitance-Max | 100 pF | |
| Collector-Emitter Voltage-Max | 25 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 15 | |
| JESD-30 Code | R-PSIP-W3 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 200 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | PNP | |
| Power Dissipation-Max (Abs) | 1 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | WIRE | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | 10 | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 160 MHz | |
| VCEsat-Max | 0.5 V |
Alternate Parts for ZTX749
This table gives cross-reference parts and alternative options found for ZTX749. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of ZTX749, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
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| FXT749STOF | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, PLASTIC, E-LINE PACKAGE-3 | ZTX749 vs FXT749STOF |
| ZTX749STOA | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | ZTX749 vs ZTX749STOA |
| FXT749 | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | ZTX749 vs FXT749 |
| ZTX749STZ | Zetex / Diodes Inc | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | ZTX749 vs ZTX749STZ |
| ZTX749STZ | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | ZTX749 vs ZTX749STZ |
| ZTX749 | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-226AE, TO-226AE, 3 PIN | ZTX749 vs ZTX749 |
| ZTX749STOB | Zetex / Diodes Inc | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | ZTX749 vs ZTX749STOB |
| FXT749STOF | Zetex / Diodes Inc | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, PLASTIC, E-LINE PACKAGE-3 | ZTX749 vs FXT749STOF |
| FXT749STOA | Zetex / Diodes Inc | Check for Price | Small Signal Bipolar Transistor, 2A I(C), 25V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 COMPATIBLE, E-LINE PACKAGE-3 | ZTX749 vs FXT749STOA |
| ZTX749 | Rochester Electronics LLC | Check for Price | 2000mA, 25V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-226AE, TO-226AE, 3 PIN | ZTX749 vs ZTX749 |
ZTX749 Frequently Asked Questions (FAQ)
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The maximum safe operating area (SOA) for the ZTX749 is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal and electrical characteristics. As a general guideline, the SOA is typically limited by the device's maximum junction temperature, current rating, and voltage rating. It's recommended to consult with the manufacturer or a qualified engineer to determine the SOA for a specific application.
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To ensure the ZTX749 is properly biased for linear operation, it's essential to follow the recommended biasing conditions outlined in the datasheet. This typically involves setting the base-emitter voltage (VBE) and collector-emitter voltage (VCE) within the recommended ranges. Additionally, the base current (IB) should be limited to prevent overheating and ensure stable operation. It's also important to consider the device's thermal characteristics and ensure adequate heat sinking to prevent thermal runaway.
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The recommended PCB layout and thermal management for the ZTX749 involve following good design practices for high-power transistors. This includes using a thermally conductive PCB material, placing the device on a heat sink or thermal pad, and ensuring good airflow around the device. The PCB layout should also minimize thermal resistance and ensure that the device is not subjected to excessive thermal stress. It's recommended to consult with the manufacturer or a qualified engineer to determine the optimal PCB layout and thermal management strategy for a specific application.
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To protect the ZTX749 from electrostatic discharge (ESD), it's essential to follow proper handling and storage procedures. This includes using anti-static wrist straps, mats, and packaging materials, as well as ensuring that the device is stored in a dry, clean environment. During assembly and testing, it's recommended to use ESD-protected equipment and follow proper grounding procedures to prevent static buildup. Additionally, the device should be handled by trained personnel who are aware of the risks of ESD damage.
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The reliability and failure rate expectations for the ZTX749 are typically dependent on the specific application, operating conditions, and environmental factors. However, the device is designed to meet or exceed industry standards for reliability and quality. The manufacturer provides reliability data and failure rate estimates in the datasheet or upon request. It's recommended to consult with the manufacturer or a qualified engineer to determine the expected reliability and failure rate for a specific application.