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Diodes Incorporated ZVP0545GTA
- Part No.:
- ZVP0545GTA
- Manufacturer:
- Diodes Incorporated
- Category:
- FETs, MOSFETs
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
ZVP0545GTA.pdf
- Description:
- MOSFET P-CH 450V 75MA SOT223
- Quantity:
- Payment:
- Shipping:
Inventory:755
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Product details
Overview
ZVP0545GTA from Diodes Incorporated is a P-channel enhancement-mode vertical DMOS FET in SOT223 package, rated for -450 V drain-source voltage and 150 Ω RDS(ON) at VGS = -10 V, delivering -75 mA continuous drain current at +25°C. It serves as a high-voltage, low-current switching device in offline power supplies, LED drivers, and relay drivers where compact size and high breakdown voltage are critical.
For engineers reviewing the ZVP0545GTA datasheet, ZVP0545GTA pinout, ZVP0545GTA application, or ZVP0545GTA equivalent, key selection criteria include verified -450 V BVDSS rating, thermal stability up to +150°C junction temperature, gate threshold voltage range of -1.5 V to -4.5 V, and SOT223 package compatibility with standard PCB layout practices for medium-power discrete switching.
Technical Context
This MOSFET employs vertical DMOS architecture optimized for high-voltage blocking while maintaining low on-resistance per unit area. Its P-channel configuration enables high-side switching without level-shifting circuitry in low-power DC-DC bias rails and auxiliary supply control paths.
It operates with gate threshold voltage (VGS(TH)) between -1.5 V and -4.5 V, ensuring reliable turn-on with standard logic-level negative gate drive. Dynamic parameters-including 120 pF input capacitance, 20 pF output capacitance, and sub-20 ns turn-off fall time-support efficient switching in <100 kHz applications such as flyback snubber control and hold-up circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | -450 V - supports direct connection to 380 V AC rectified rails with margin for surge transients |
| RDS(ON) | 150 Ω @ VGS = -10 V - enables low static loss in microamp-to-milliamp bias and control circuits |
| ID (cont.) | -75 mA @ TA = +25°C - suitable for gate driving, LED string current setting, and low-power load switching |
| PD | 2 W - requires minimal heatsinking in SOT223 footprint for ambient temperatures ≤+70°C |
| VGS(TH) | -1.5 to -4.5 V - ensures predictable turn-on with simple negative bias networks or open-drain controllers |
| Ciss | 120 pF - limits gate drive power requirement in low-frequency switching (<50 kHz) applications |
| TJ Range | -55°C to +150°C - qualified for industrial and extended-temperature environments including enclosed power modules |
Pinout & Package
Package: SOT223 (Type DN), surface-mount, 4-pin outline with exposed drain pad (pin 2) for thermal conduction. Molded plastic body meets UL 94V-0 flammability rating and RoHS/"Green" compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Source) | Source terminal | Connected to higher potential node in P-channel high-side switch; referenced for gate drive |
| Pin 2 (Drain) | Drain terminal | Exposed metal pad - primary thermal path and high-voltage output node; must be routed with clearance ≥2.5 mm |
| Pin 3 (Gate) | Gate terminal | High-impedance control input; requires ESD protection and gate resistor (≥10 kΩ) for stable switching |
| Pin 4 (Source) | Source terminal (dual-source configuration) | Internally tied to Pin 1; provides redundant source connection for improved current sharing and solder joint reliability |
Key Features
| Feature | Design Value |
|---|---|
| High-voltage blocking | -450 V BVDSS - eliminates need for series-connected devices in 230 VAC-derived auxiliary supplies |
| Thermal robustness | RθJA = 114°C/W - enables operation at full power in still-air conditions with minimal copper area |
| Lead-free & green | RoHS 3 compliant, halogen- and antimony-free - satisfies automotive and industrial environmental mandates without derating |
| Low gate leakage | IGSS ≤ 20 nA @ ±20 V - preserves battery-backed bias networks and reduces standby power in always-on circuits |
| Stable RDS(ON) vs. temperature | +0.3%/°C typical drift - simplifies thermal design in unregulated linear regulators and constant-current sources |
Applications
| Offline Auxiliary Power Supply | LED String Bias Control |
|---|---|
|
Use Scenario: Provides isolated 12 V bias for PWM controller ICs in flyback converters powered from 230 VAC mains. IC Role / Device Role / Timing Role: High-side switch controlling current into optocoupler feedback network and VCC winding rectifier. Use Value: -450 V rating withstands reflected spikes during transformer reset; 150 Ω RDS(ON) limits no-load dissipation to <15 mW. |
Use Scenario: Sets precise bias current for indicator LEDs in industrial HMIs operating from 24 V DC bus. IC Role / Device Role / Timing Role: Constant-current sink regulating LED brightness independent of forward voltage variation. Use Value: Gate threshold spread (-1.5 V to -4.5 V) allows single resistor programming across production lots; -75 mA rating covers multi-LED strings up to 5 units. |
| Relay Driver Interface | Hold-Up Circuit Enable Switch |
|
Use Scenario: Drives coil of 5 V or 12 V signal relays in PLC I/O modules using microcontroller GPIO with open-drain output. IC Role / Device Role / Timing Role: Level-shifting interface translating logic-low active signals into high-side coil energization. Use Value: Dual-source pins (Pins 1 & 4) reduce trace inductance and improve transient immunity during relay coil de-energization. |
Use Scenario: Enables backup capacitor discharge path in UPS systems when main AC fails, preventing false brownout detection. IC Role / Device Role / Timing Role: Controlled discharge switch activated by supervisor IC upon loss-of-input detection. Use Value: 2 W power rating sustains 100 ms discharge pulses at 1 A peak; -150 mA pulsed ID supports fast capacitor dump without secondary protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage P-channel MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZVP3306A | -60 V VDSS, 2.5 Ω RDS(ON), SOT23 package | Lower voltage rating; unsuitable for >100 V DC rails | Select only for low-voltage logic-level control where space constraints prohibit SOT223 |
| DMN601WK-7 | -60 V VDSS, 1.2 Ω RDS(ON), SOT26 package | Higher current capability but insufficient breakdown for AC-line derived supplies | Prefer for battery-powered systems requiring <100 mΩ on-resistance and dual N/P channel integration |
Compared with ZVP0545GTA, both alternatives offer lower RDS(ON) but fail to meet the -450 V blocking requirement essential for mains-connected auxiliary supplies-making ZVP0545GTA uniquely suited for high-voltage, low-current switching where voltage margin is non-negotiable.
Availability
ZVP0545GTA is available at Aetrix Electronics and suitable for offline auxiliary power supplies, LED bias control, relay driver interfaces, and hold-up circuit enable switches requiring stable component supply and long-term industrial availability.
Supply support for ZVP0545GTA 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, specializing in high-reliability power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
ZVP0545GTA belongs to Diodes' high-voltage vertical DMOS FET product line, designed specifically for cost-sensitive, space-constrained applications demanding robust 450 V blocking with minimal gate drive complexity in SOT223 packaging.
FAQ
Is ZVP0545GTA recommended for new designs?
No-Diodes Incorporated explicitly states "ZVP0545G IS NOT RECOMMENDED FOR NEW DESIGNS" in the datasheet. It remains available for legacy support and existing production, but design-in should consider newer high-voltage P-channel alternatives with improved RDS(ON) and enhanced thermal performance. Engineering teams should contact Diodes for migration guidance.
What is the thermal resistance of ZVP0545GTA in standard SOT223 layout?
The datasheet specifies RθJA = 114°C/W under JEDEC-standard PCB conditions (1-inch² copper pad, 1 oz Cu). With the exposed drain pad (Pin 2) connected to ≥2 cm² internal ground plane, actual RθJA can improve to ~65°C/W. Transient thermal resistance data (Figure 13) confirms safe single-pulse operation up to 2 W for durations ≤10 ms.
Can ZVP0545GTA be used in linear regulator configurations?
Yes-its guaranteed RDS(ON) stability over temperature and low gate leakage (<20 nA) make it viable as a pass element in low-dropout linear regulators up to 100 mA output. However, maximum power dissipation is limited to 2 W; at 100 mA and 20 V drop, junction temperature rise would exceed safe limits without heatsinking.
Does ZVP0545GTA have avalanche rating or SOA curves?
No avalanche rating is specified. The Safe Operating Area (SOA) curve (Figure 12) shows DC and pulsed limits up to 150°C junction temperature, with RDS(ON)-limited region dominating below 10 ms. Designers must avoid operation beyond the SOA boundary-especially during inductive turn-off-and implement external clamping if voltage overshoot exceeds -450 V.
ZVP0545GTA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 450 V
- Current - Continuous Drain (Id) @ 25°C:
- 75mA (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 150Ohm @ 50mA, 10V
- Vgs(th) (Max) @ Id:
- 4.5V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- -
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 120 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 2W (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223-3
ZVP0545GTA FAQ
1.How can I place an order for ZVP0545GTA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZVP0545GTA 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 ZVP0545GTA reliable?
The price and inventory of ZVP0545GTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZVP0545GTA is usually 5 days.
3.What payment methods are accepted for ZVP0545GTA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZVP0545GTA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZVP0545GTA?
ZVP0545GTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZVP0545GTA 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 ZVP0545GTA?
For technical support, including ZVP0545GTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZVP0545GTA requirements.
6.How does Aetrix verify that ZVP0545GTA is sourced from the original manufacturer or authorized distributors?
All ZVP0545GTA 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 ZVP0545GTA meets industry standards.
7.What is the process for return or replacement of ZVP0545GTA?
All ZVP0545GTA units undergo pre-shipment inspection (PSI). If there is an issue with ZVP0545GTA, 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 ZVP0545GTA part is unused and in its original packaging.
Return procedure for ZVP0545GTA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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