Diodes Incorporated FZT753TA
- Part No.:
- FZT753TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
FZT753TA.pdf
- Description:
- TRANS PNP 100V 2A SOT-223-3
- Quantity:
- Payment:

- Shipping:

Inventory:34,644
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Product details
Overview
FZT753TA from Diodes Incorporated is a 100V PNP high-performance bipolar junction transistor in SOT223 package, rated for -2A continuous collector current and -6A peak pulse current, with VCE(sat) < -300mV at -1A, used in industrial power switching, automotive load control, and high-voltage DC-DC converter output stages.
For engineers reviewing the FZT753TA datasheet, FZT753TA pinout, FZT753TA application, or FZT753TA equivalent, key selection criteria include breakdown voltage (VCEO = -100V), thermal resistance (RθJA = 41.7°C/W on 50mm × 50mm 2oz copper), AEC-Q101 qualification, complementary pairing with FZT653, and SOT223 thermal pad layout requirements.
Technical Context
The FZT753TA operates as a high-voltage, medium-power PNP switch with verified DC current gain (hFE = 25–200 across IC = -50mA to -2A) and fT = 100–140MHz, enabling fast switching in PWM-driven circuits. Its VBE(sat) of -0.9V to -1.25V at -1A supports low-base-drive-loss operation in high-side configurations.
Thermal design is constrained by RθJL = 12.9°C/W (junction-to-lead), requiring direct thermal coupling of the collector tab to PCB copper; safe operating area (SOA) is defined up to 100µs pulses at VCE = -100V and IC = -2A under TA = +25°C conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -100V - Enables use in 48V and 60V industrial bus systems with margin against transients. |
| IC (continuous) | -2A - Supports sustained switching of solenoids, relays, and motor drivers without forced cooling. |
| VCE(sat) | < -300mV @ -1A - Minimizes conduction loss and self-heating in linear or saturated switching modes. |
| fT | 100–140MHz - Allows stable operation in high-frequency DC-DC converters up to ~500kHz switching. |
| RθJA | 41.7°C/W (50mm × 50mm 2oz Cu) - Defines maximum power dissipation (3.0W) under standard PCB thermal relief. |
| ESD HBM | 4,000V - Meets IEC 61000-4-2 Level 3 for robustness in assembly and field environments. |
| AEC-Q101 | Qualified - Validated for automotive under-hood applications including engine control modules and body electronics. |
Pinout & Package
Package: SOT223 - Surface-mount plastic package with exposed collector tab for enhanced thermal conduction; 0.112g mass; UL 94V-0 rated molding compound; moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Collector (C) | Main current sink terminal | Exposed metal tab - must be soldered to ≥25mm² copper pour for thermal management and electrical connection. |
| Emitter (E) | Current source node | Connected to higher potential rail in high-side switch configuration; carries full load current. |
| Base (B) | Control input | Receives negative drive current (e.g., -100mA typical) to saturate transistor; requires current-limiting resistor. |
Key Features
| Feature | Design Value |
|---|---|
| High VCEO rating | -100V enables use in 48V battery systems and industrial 60V rails without derating. |
| Low VCE(sat) | < -300mV at -1A reduces conduction losses to ≤300mW, easing thermal design in compact layouts. |
| AEC-Q101 qualification | Validated for automotive temperature range (-55°C to +150°C) and mechanical stress per JESD22 standards. |
| Complementary NPN pair | FZT653 shares identical SOT223 footprint and thermal profile, simplifying dual-rail driver board layout. |
| Green construction | Halogen- and antimony-free (<900ppm Br/Cl, <1000ppm Sb) meets EU RoHS 2 and automotive ELV directives. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Driving 24V brushed DC motors in factory automation actuators with PWM frequency up to 20kHz. IC Role / Device Role / Timing Role: High-side PNP switch controlling motor current path to ground via external N-channel MOSFET or integrated half-bridge. Use Value: -100V VCEO withstands back-EMF spikes >60V; -2A IC supports 15W motor loads without heatsink. |
Use Scenario: Controlling door lock solenoids and HVAC damper actuators in passenger vehicles. IC Role / Device Role / Timing Role: Load switch interfacing microcontroller GPIO to 12V/24V inductive loads with flyback protection. Use Value: AEC-Q101 qualification ensures reliability over 15-year vehicle lifetime; -6A ICM handles solenoid inrush peaks. |
| High-Voltage DC-DC Converters | Programmable Power Supplies |
Use Scenario: Synchronous rectification or pre-regulator stage in isolated 48V-to-12V telecom converters. IC Role / Device Role / Timing Role: PNP pass transistor in linear post-regulator or active clamp circuit for leakage energy recovery. Use Value: fT ≥100MHz supports stable loop compensation; low VCE(sat) maintains ≥92% efficiency at 1A output. |
Use Scenario: Adjustable current-limiting element in lab-grade bench supplies with remote sense capability. IC Role / Device Role / Timing Role: Precision emitter-follower configured for 0–2A programmable current sink with thermal foldback. Use Value: hFE stability across -50mA to -2A enables accurate current mirroring; RθJL = 12.9°C/W allows direct thermal feedback via collector tab. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP high-voltage switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBT753LT1G | Same die, SOT-23 package; lower IC (-500mA), higher RθJA (200°C/W), no AEC-Q101 qualification. | Limited to low-power signal switching; unsuitable for >1W continuous dissipation or automotive use. | Select only for space-constrained non-automotive logic-level interface where thermal budget permits. |
| PN2907A | TO-92 package; VCEO = -60V, IC = -600mA, no AEC-Q101, RθJA ≈ 200°C/W. | Restricted to prototyping and low-volume consumer devices; cannot replace FZT753TA in production automotive or industrial designs. | Use only for educational or evaluation purposes; not recommended for volume production or thermally demanding applications. |
Compared with MMBT753LT1G and PN2907A, the FZT753TA delivers 4× higher continuous current, 5× better thermal performance, and automotive-grade reliability-making it the sole viable option for production-grade 48V industrial switching and AEC-Q101-compliant body electronics.
Availability
FZT753TA is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and high-voltage DC-DC converters requiring stable component supply, long-term lifecycle support, and AEC-Q101 compliance.
Supply support for FZT753TA 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 semiconductor company specializing in discrete, analog, and mixed-signal solutions, with manufacturing and test facilities across Asia and North America.
The FZT753TA belongs to Diodes' high-reliability bipolar transistor product line, engineered for automotive and industrial power switching applications demanding high breakdown voltage, robust SOA, and extended temperature operation.
FAQ
What is the maximum allowable PCB copper area for optimal thermal performance of FZT753TA?
The datasheet specifies 3.0W power dissipation when mounted on 50mm × 50mm 2oz copper; reducing copper area to 25mm × 25mm de-rates PD to 2.0W. For continuous 2A operation, ≥3000mm² (50mm × 60mm) of 2oz copper connected directly to the collector tab is recommended to maintain TJ < 125°C at +70°C ambient.
Can FZT753TA be used in parallel with another unit for higher current handling?
No-FZT753TA lacks built-in current-sharing features such as matched hFE or emitter ballasting. Parallel operation risks thermal runaway due to VBE mismatch and unequal current division. For >2A loads, use a single higher-rated device like DXT753 (SOT223-4) or implement external emitter resistors with tight VBE binning.
Is the FZT753TA pinout compatible with the FZT653 NPN counterpart?
Yes-the FZT753TA (PNP) and FZT653 (NPN) share identical SOT223 pinout (C-E-B top view) and mechanical dimensions, enabling symmetrical PCB layout for complementary push-pull or H-bridge driver stages without redesign.
Does the "Q" suffix in FZT753QTA indicate a different die or just packaging?
The "Q" denotes automotive-grade traceability and PPAP documentation support; electrically and thermally, FZT753QTA is identical to FZT753TA. Both meet AEC-Q101, but only Q-suffix parts include full PPAP deliverables (PSW, FAI, control plans) required for Tier-1 automotive procurement.
FZT753TA 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):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 100 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 500mA, 2V
- Power - Max:
- 2 W
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223-3
FZT753TA FAQ
1.How can I place an order for FZT753TA through Aetrix?
Please submit a Request for Quotation (RFQ) for FZT753TA 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 FZT753TA reliable?
The price and inventory of FZT753TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FZT753TA is usually 5 days.
3.What payment methods are accepted for FZT753TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FZT753TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FZT753TA?
FZT753TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FZT753TA 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 FZT753TA?
For technical support, including FZT753TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FZT753TA requirements.
6.How does Aetrix verify that FZT753TA is sourced from the original manufacturer or authorized distributors?
All FZT753TA 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 FZT753TA meets industry standards.
7.What is the process for return or replacement of FZT753TA?
All FZT753TA units undergo pre-shipment inspection (PSI). If there is an issue with FZT753TA, 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 FZT753TA part is unused and in its original packaging.
Return procedure for FZT753TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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