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Diodes Incorporated FZT717TA
- Part No.:
- FZT717TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
FZT717TA.pdf
- Description:
- TRANS PNP 12V 3A SOT-223-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
FZT717TA from Diodes Incorporated is a 12V PNP medium-power transistor in SOT223 package, rated for -3A continuous collector current and -10A peak pulse current, with VCEO = -12V and VBE(sat) = -1.05V at IC = -3A/ IB = -50mA, used in automotive load switching and industrial DC-DC converter bias circuits.
For engineers reviewing the FZT717TA datasheet, FZT717TA pinout, FZT717TA application, or FZT717TA equivalent, key selection criteria include verified PNP polarity, SOT223 thermal performance (RθJL = 12.9°C/W), safe operating area under pulsed loads, and AEC-Q101 qualification readiness for automotive-grade designs.
Technical Context
This PNP bipolar junction transistor operates with emitter-grounded configuration, supporting linear amplification and saturated switching modes. Its BVCEO = -12V and VCE(sat) ≤ -320mV at IC = -3A/ IB = -50mA enable robust low-voltage power control in constrained space applications.
Thermal design is enabled by RθJL = 12.9°C/W to collector lead and derated power dissipation down to 1.2W on minimum pad layout. The device exhibits hFE = 60 at IC = -3A and fT = 80–110MHz, confirming suitability for medium-speed switching up to ~100kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -12V - Maximum allowable collector-emitter voltage before breakdown in common-emitter configuration. |
| IC (cont) | -3A - Continuous collector current rating defining steady-state power stage capacity. |
| VCE(sat) | -320mV @ IC=-3A/IB=-50mA - Low saturation voltage enabling <1W conduction loss at full load. |
| hFE | 60 @ IC=-3A - Confirmed DC current gain for reliable base drive sizing in switching applications. |
| fT | 80–110MHz - Transition frequency indicating usable bandwidth for fast-switching control loops. |
| RθJL | 12.9°C/W - Junction-to-lead thermal resistance enabling direct heatsinking via collector tab. |
| ESD HBM | 4kV - Human Body Model rating supporting handling in non-ESD-controlled assembly environments. |
Pinout & Package
Package: SOT223 (Type DN), surface-mount, 4-pin outline with exposed collector tab for thermal conduction and mechanical anchoring. Molded green compound, UL 94V-0 rated, 0.112g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Emitter) | Emitter terminal | Reference node for PNP operation; connected to higher potential in typical switch configurations. |
| Pin 2 (Base) | Control input | Current-driven gate requiring ≥-50mA for full saturation at IC = -3A. |
| Pin 3 (Collector) | Power output / heat path | Primary current path and thermal interface; electrically and thermally tied to exposed metal tab. |
| Pin 4 (Collector Tab) | Collector extension | Integral thermal pad soldered to PCB copper pour; not electrically isolated from Pin 3. |
Key Features
| Feature | Design Value |
|---|---|
| Lead-free & halogen-free | RoHS 3 compliant with <900ppm Br/Cl and <1000ppm Sb; supports environmentally regulated industrial and automotive programs. |
| SOT223 thermal performance | RθJL = 12.9°C/W enables >2W dissipation with 25mm×25mm 2oz copper, reducing need for external heatsinks. |
| Pulsed current capability | ICM = -10A allows short-duration surge handling in motor drive or solenoid control without device failure. |
| Automotive readiness | Manufactured in IATF 16949 facilities; PPAP-capable and qualified per AEC-Q101 stress test requirements. |
Applications
| Automotive Door Module | Industrial DC-DC Bias Control |
|---|---|
Use Scenario: Driving window lift motors and mirror actuators in 12V vehicle architectures. IC Role / Device Role / Timing Role: PNP high-side switch controlling ground-return loads with integrated ESD protection. Use Value: -320mV VCE(sat) limits power loss to <1W at 3A, reducing thermal stress in sealed modules. | Use Scenario: Regulating auxiliary bias rails in isolated flyback converters for PLC I/O modules. IC Role / Device Role / Timing Role: Linear pass element stabilizing 5V/3.3V reference supplies during transient load steps. Use Value: hFE = 60 ensures stable current gain across temperature, minimizing output voltage drift. |
| LED Driver for Commercial Lighting | Power Sequencing in Embedded Systems |
Use Scenario: Switching high-current LED strings in streetlight drivers with PWM dimming. IC Role / Device Role / Timing Role: Saturated PNP switch synchronizing with controller PWM signal at ≤100kHz. Use Value: fT ≥ 80MHz guarantees clean turn-on/turn-off edges, reducing EMI in multi-string arrays. | Use Scenario: Enabling controlled power-up sequencing of FPGA core and I/O banks in edge computing hardware. IC Role / Device Role / Timing Role: Delayed-enable switch isolating downstream rails until primary supply stabilizes. Use Value: -12V VCEO provides margin against 12V rail overshoot during cold-start conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP medium-power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXTN25012E6TA | VCEO = -12V, IC = -3A, but SOT23 package (RθJA = 200°C/W); no exposed collector tab. | Limited to <0.5W continuous use; unsuitable for high-duty-cycle loads without forced cooling. | Select only when board space is critical and thermal load remains below 500mW. |
| MJD2955T4G | VCEO = -60V, IC = -10A, TO-220 package; higher voltage/current but larger footprint and slower fT (3MHz). | Over-specified for 12V systems; introduces unnecessary cost and layout area. | Prefer for legacy designs requiring drop-in replacement with higher voltage margin. |
Compared with ZXTN25012E6TA and MJD2955T4G, FZT717TA uniquely balances SOT223 thermal efficiency (RθJL = 12.9°C/W), automotive qualification readiness, and 12V system optimization-making it optimal for space-constrained, thermally demanding 12V PNP switching where reliability and manufacturability are prioritized.
Availability
FZT717TA is available at Aetrix Electronics and suitable for automotive door modules, industrial DC-DC bias control, and commercial LED driver applications requiring stable component supply and long-term production continuity.
Supply support for FZT717TA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
FZT717TA belongs to Diodes' medium-power bipolar transistor product line, engineered specifically for high-reliability 12V automotive and industrial switching applications where thermal performance, AEC-Q101 readiness, and SOT223 manufacturability are essential.
FAQ
Is FZT717TA qualified to AEC-Q101?
No, FZT717TA is not pre-qualified to AEC-Q101, but it is manufactured in IATF 16949-certified facilities and supports PPAP documentation. Customers requiring formal qualification can initiate AEC-Q101 testing through Diodes' automotive program with documented change control and lot traceability.
What is the maximum PCB copper area needed to sustain 3A continuous current?
To sustain -3A continuous at ambient +25°C with ≤100°C junction temperature, a 25mm × 25mm 2oz copper pad is required per the datasheet's Note 6, delivering 2W dissipation capability. Smaller pads reduce allowable current-minimum recommended layout supports only 1.2W (≈1.8A).
Can FZT717TA replace FZT692B in existing designs?
FZT717TA is not a direct replacement for FZT692B: the latter is an NPN transistor (VCEO = +12V, IC = +3A), while FZT717TA is PNP with opposite polarity and complementary biasing. Circuit topology must be reconfigured-e.g., moving from low-side to high-side switching-to use this part.
Does the SOT223 package require thermal vias under the collector tab?
Thermal vias are strongly recommended beneath the collector tab: the datasheet specifies RθJA = 41.7°C/W assumes 50mm × 50mm 2oz copper with thermal vias. Without vias, junction temperature rise increases significantly-especially above 1.5A-risking thermal runaway in enclosed enclosures.
FZT717TA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 3 A
- Voltage - Collector Emitter Breakdown (Max):
- 12 V
- Vce Saturation (Max) @ Ib, Ic:
- 320mV @ 50mA, 3A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 100mA, 2V
- Power - Max:
- 2 W
- Frequency - Transition:
- 110MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223-3
FZT717TA FAQ
1.How can I place an order for FZT717TA through Aetrix?
Please submit a Request for Quotation (RFQ) for FZT717TA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for FZT717TA reliable?
The price and inventory of FZT717TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FZT717TA is usually 5 days.
3.What payment methods are accepted for FZT717TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FZT717TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FZT717TA?
FZT717TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FZT717TA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for FZT717TA?
For technical support, including FZT717TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FZT717TA requirements.
6.How does Aetrix verify that FZT717TA is sourced from the original manufacturer or authorized distributors?
All FZT717TA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that FZT717TA meets industry standards.
7.What is the process for return or replacement of FZT717TA?
All FZT717TA units undergo pre-shipment inspection (PSI). If there is an issue with FZT717TA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The FZT717TA part is unused and in its original packaging.
Return procedure for FZT717TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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