Part Details for STR1550 by STMicroelectronics
Results Overview of STR1550 by STMicroelectronics
- Distributor Offerings: (12 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Not Available)
- Number of Functional Equivalents: (0 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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STR1550 Information
STR1550 by STMicroelectronics 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.
Price & Stock for STR1550
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
98Y2500
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Newark | Transistor, Bipol, Npn, 500V, Sot-23-3, |Stmicroelectronics STR1550 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 28638 |
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$0.1960 / $0.6850 | Buy Now |
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DISTI #
98Y2500RL
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Newark | Transistor, Bipol, Npn, 500V, Sot-23-3, |Stmicroelectronics STR1550 RoHS: Compliant Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 28638 |
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$0.1960 / $0.2880 | Buy Now |
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DISTI #
511-STR1550
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Mouser Electronics | Bipolar Transistors - BJT 500mA High Volt NPN 500V Pwr Trans RoHS: Compliant | 0 |
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$0.1190 / $0.7100 | Order Now |
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Future Electronics | STR1550: 500 V 0.5 A 500 mW SMT Fast-Switching NPN Power Transistor - SOT-23 RoHS: Compliant pbFree: Yes Min Qty: 3000 Package Multiple: 3000 Lead time: 20 Weeks Container: Reel | 24000Reel |
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$0.1430 / $0.1510 | Buy Now |
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Bristol Electronics | Trans GP BJT NPN 500V 0.5A 500mW 3-Pin SOT-23 T/R | 2600 |
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RFQ | |
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DISTI #
STR1550
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TME | Transistor: NPN, bipolar, 500V, 0.5A, 0.5W, SOT23 Min Qty: 1 | 0 |
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$0.1200 / $0.6300 | RFQ |
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ComSIT USA | AVAILABLE EU | 39 |
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RFQ | |
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DISTI #
STR1550
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IBS Electronics | 500V 500MW 100@50MA 10V 500MA NPN SOT-23-3 BIPOLAR TRANSISTORS - BJT ROHS Min Qty: 3000 Package Multiple: 1 | 186000 |
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$0.1213 / $0.2129 | Buy Now |
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Chip Stock | Single Bipolar Transistor, NPN, 500 V, 500 mA, 500 mW, SOT-23, 3 Pins, Surface Mount | 269743 |
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RFQ | |
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Greenchips | Date Code: 21+/CN | 19394 |
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$0.1293 / $0.1580 | Buy Now |
STR1550 CAD Models
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STR1550 Part Data Attributes
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STR1550
STMicroelectronics
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Datasheet
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STR1550
STMicroelectronics
Small Signal Bipolar Transistor, 0.5A I(C), 500V V(BR)CEO, 1-Element, NPN, Silicon
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| ECCN Code | EAR99 | |
| Factory Lead Time | 14 Weeks | |
| Collector Current-Max (IC) | 0.5 A | |
| Collector-Emitter Voltage-Max | 500 V | |
| Configuration | Single | |
| DC Current Gain-Min (hFE) | 10 | |
| JESD-30 Code | R-PDSO-G3 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | Npn | |
| Power Dissipation-Max (Abs) | 0.5 W | |
| Surface Mount | Yes | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | Gull Wing | |
| Terminal Position | Dual | |
| Transistor Application | Amplifier | |
| Transistor Element Material | Silicon |
STR1550 Frequently Asked Questions (FAQ)
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A good PCB layout for the STR1550 involves keeping the input and output tracks short and wide, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
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The STR1550 requires a single 5V power supply. It's essential to ensure that the power supply is stable and well-regulated. Power sequencing is not critical, but it's recommended to power up the device after the input voltage has reached 4.5V to ensure proper operation.
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The STR1550 has a thermal shutdown feature that activates when the junction temperature exceeds 150°C. To prevent overheating, ensure good airflow around the device, use a heat sink if necessary, and avoid blocking the thermal pad on the underside of the package.
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To troubleshoot issues with the STR1550, check the input voltage, output voltage, and current consumption. Ensure that the device is properly powered, and the input and output tracks are not overloaded. Common pitfalls to avoid include incorrect PCB layout, inadequate decoupling, and insufficient heat sinking.
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To ensure EMI and EMC compliance, use a shielded enclosure, keep the input and output tracks short, and use a common-mode choke on the input. Ensure that the device is properly decoupled, and use a ferrite bead on the output. Follow the guidelines in the datasheet and application notes for specific EMI and EMC recommendations.