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Diodes Incorporated ZXTN19100CZTA
- Part No.:
- ZXTN19100CZTA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
ZXTN19100CZTA.pdf
- Description:
- TRANS NPN 100V 5.25A SOT-89-3
- Quantity:
- Payment:
- Shipping:
Inventory:3,441
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Product details
Overview
ZXTN19100CZTA from Diodes Incorporated is a 100V NPN medium-power transistor in SOT89 package, rated for 5.25A continuous collector current, with VCE(sat) < 65mV at 1A and Rsat = 44mΩ. It serves as a high-voltage switching element in PSU startup circuits, motor drives, and solenoid/relay control stages.
For engineers reviewing the ZXTN19100CZTA datasheet, ZXTN19100CZTA pinout, ZXTN19100CZTA application, or ZXTN19100CZTA equivalent, key selection criteria include its 100V VCEO, low saturation resistance, thermal performance on FR4 PCBs (RθJA down to 28°C/W), and AEC-Q101 readiness for automotive-grade reliability validation.
Technical Context
This NPN bipolar junction transistor operates in linear and saturated switching modes, with BVCEO = 100V and BVCEX = 200V for forward-blocking capability. Its fT = 150MHz supports fast switching transitions, while hFE = 200–500 across IC = 100mA–5.25A enables stable current amplification in driver stages.
Thermal design is enabled by multiple derating profiles: RθJC = 4.69°C/W (junction-to-case) and RθJA ranging from 28°C/W (short-duration pulse) to 117°C/W (15mm × 15mm PCB), depending on copper area and mounting conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 100V - Maximum safe collector-emitter voltage under forward bias; defines upper rail limit in high-side switch designs. |
| IC (continuous) | 5.25A - Sustained current handling without thermal runaway on 50mm × 50mm 1oz copper; supports medium-power loads. |
| VCE(sat) | 65mV @ 1A/100mA - Low conduction loss enabling <0.065W dissipation per switch event at nominal load. |
| Rsat | 44mΩ - Equivalent on-resistance derived from VCE(sat)/IC; simplifies loss modeling vs. MOSFETs in BJT-based drivers. |
| fT | 150MHz - Transition frequency confirming suitability for sub-100ns switching applications like PWM motor control. |
| hFE | 200–500 - DC current gain range ensuring reliable base drive scaling across operating currents from 100mA to full 5.25A. |
| RθJC | 4.69°C/W - Junction-to-case thermal resistance; enables direct heatsink attachment via collector tab for enhanced power handling. |
Pinout & Package
Package: SOT89 - surface-mount plastic case with exposed collector tab for thermal conduction; UL 94V-0 rated, 0.05g weight, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Emitter) | E | Current return path; connected to ground or low-side reference; requires low-inductance routing for fast turn-off. |
| Pin 2 (Collector) | C | Main power output terminal; electrically and thermally tied to metal tab; must be soldered to large copper pour or heatsink. |
| Pin 3 (Base) | B | Control input; driven with ≥525mA peak base current for full 5.25A saturation; requires series resistor to limit drive current. |
Key Features
| Feature | Design Value |
|---|---|
| High breakdown voltage | BVCEX = 200V ensures robustness against voltage transients in industrial PSU and motor drive bus lines. |
| Low saturation resistance | Rsat = 44mΩ minimizes conduction losses in high-current switching, reducing thermal stress on PCB layout. |
| Thermally optimized package | SOT89 collector tab provides direct thermal path to PCB copper or external heatsink, supporting >2W steady-state dissipation. |
| AEC-Q101 readiness | Manufactured in IATF 16949-certified facilities; PPAP-capable with change control for automotive start-up and body electronics. |
| Green compliance | Halogen- and antimony-free, RoHS 3 compliant (<900ppm Br/Cl, <1000ppm Sb); meets global environmental manufacturing standards. |
Applications
| PSU Start-Up Switch | DC Motor Drive Stage |
|---|---|
Use Scenario: Enables initial charging of bulk capacitors in offline SMPS before controller IC becomes operational. IC Role / Device Role / Timing Role: High-voltage NPN switch controlling primary-side current flow during soft-start phase. Use Value: 100V VCEO withstands reflected flyback spikes; low VCE(sat) limits inrush power loss during extended start-up duration. |
Use Scenario: Drives brushed DC motors up to 24V/3A in industrial actuators and HVAC dampers. IC Role / Device Role / Timing Role: Medium-power BJT switch in half-bridge or single-ended H-bridge configurations. Use Value: 5.25A IC and 150MHz fT support PWM frequencies up to 20kHz with minimal switching loss and overshoot. |
| Lamp & Relay Driver | Solenoid Control Interface |
Use Scenario: Interfaces microcontroller GPIO to incandescent lamps (up to 50W) and 12V/24V electromagnetic relays. IC Role / Device Role / Timing Role: General-purpose NPN interface transistor providing current gain and isolation. Use Value: hFE ≥ 200 at 100mA ensures reliable saturation with ≤5mA MCU drive; VBE(sat) = 1.075V simplifies base resistor calculation. |
Use Scenario: Controls 12V/24V solenoid valves in fluid control systems requiring fast, repeatable actuation cycles. IC Role / Device Role / Timing Role: High-current switching element managing inductive load energy dissipation via flyback diode. Use Value: 200V BVCEX clamps inductive kickback safely; RθJC = 4.69°C/W allows sustained 10Hz cycling without thermal throttling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN medium-power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXTN2010F | VCEO = 100V, IC = 3A, VCE(sat) = 120mV @ 1A - lower current rating and higher saturation voltage. | Less suitable for >3A motor or solenoid loads; acceptable for relay/lamp drivers with margin. | Select when board space or cost constraints favor smaller SOT23-3 footprint over SOT89. |
| MMBT4401 | VCEO = 40V, IC = 600mA, SOT23 package - significantly lower voltage/current capability. | Only viable for low-voltage logic-level interfacing; cannot replace ZXTN19100CZTA in 100V systems. | Use only in non-critical 5–12V signal buffering where 100V robustness is unnecessary. |
Compared with ZXTN2010F and MMBT4401, ZXTN19100CZTA delivers unique combination of 100V blocking, 5.25A current, and 44mΩ Rsat in SOT89 - making it irreplaceable in high-reliability, medium-power industrial switching where thermal and voltage margins are critical.
Availability
ZXTN19100CZTA is available at Aetrix Electronics and suitable for PSU start-up circuits, DC motor drives, and solenoid/relay control systems requiring stable component supply, automotive-grade traceability, and long-term production continuity.
Supply support for ZXTN19100CZTA 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.
ZXTN19100CZTA belongs to Diodes' high-voltage bipolar transistor product line, engineered specifically for robust switching in industrial power supplies, motor controls, and automotive body electronics where reliability under transient stress is essential.
FAQ
What is the maximum allowable junction temperature for ZXTN19100CZTA?
The absolute maximum operating junction temperature is +150°C, with storage temperature range from –55°C to +150°C. Derating begins at +25°C ambient; for example, at 100°C ambient, maximum continuous power dissipation drops to ~1.4W on a 50mm × 50mm PCB (RθJA = 51°C/W).
Can ZXTN19100CZTA be used in automotive applications?
Yes - it is manufactured in IATF 16949-certified facilities and supports PPAP documentation. While not pre-qualified to AEC-Q101, Diodes offers AEC-Q101 qualification support upon request for automotive start-up, lighting, and body control modules.
How is the collector terminal connected in the SOT89 package?
The collector is internally bonded to the exposed metal tab on the underside of the SOT89 package. This tab must be soldered to a large copper area or external heatsink to achieve specified RθJC = 4.69°C/W and sustain >2W power dissipation.
What base drive current is required to fully saturate ZXTN19100CZTA at 5.25A collector current?
Full saturation at IC = 5.25A requires IB = 525mA (hFE ≥ 10 assumed for forced beta), with VBE(sat) = 1.075V. A 10Ω base resistor from a 5.5V logic source delivers ~500mA, meeting minimum requirement with margin.
ZXTN19100CZTA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 5.25 A
- Voltage - Collector Emitter Breakdown (Max):
- 100 V
- Vce Saturation (Max) @ Ib, Ic:
- 350mV @ 525mA, 5.25A
- Current - Collector Cutoff (Max):
- 50nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 100mA, 2V
- Power - Max:
- 2.4 W
- Frequency - Transition:
- 150MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
ZXTN19100CZTA FAQ
1.How can I place an order for ZXTN19100CZTA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZXTN19100CZTA 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 ZXTN19100CZTA reliable?
The price and inventory of ZXTN19100CZTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXTN19100CZTA is usually 5 days.
3.What payment methods are accepted for ZXTN19100CZTA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXTN19100CZTA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZXTN19100CZTA?
ZXTN19100CZTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZXTN19100CZTA 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 ZXTN19100CZTA?
For technical support, including ZXTN19100CZTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXTN19100CZTA requirements.
6.How does Aetrix verify that ZXTN19100CZTA is sourced from the original manufacturer or authorized distributors?
All ZXTN19100CZTA 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 ZXTN19100CZTA meets industry standards.
7.What is the process for return or replacement of ZXTN19100CZTA?
All ZXTN19100CZTA units undergo pre-shipment inspection (PSI). If there is an issue with ZXTN19100CZTA, 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 ZXTN19100CZTA part is unused and in its original packaging.
Return procedure for ZXTN19100CZTA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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