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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Diodes Incorporated ZVN2535ASTZ

Name: ZVN2535ASTZ
Brand: Diodes Incorporated
SKU: ZVN2535ASTZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZVN2535ASTZ

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

Package:: E-Line-3

Datasheet:: ZVN2535ASTZ.pdf

Description:: MOSFET N-CH 350V 90MA E-LINE

Quantity:: RFQ Add To RFQ list

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Inventory:4,776

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Product details

Overview

ZVN2535ASTZ from Diodes Incorporated is an N-channel enhancement-mode vertical DMOS FET rated for 350 V drain-source voltage, 90 mA continuous drain current, and 35 Ω R_DS(on) at V_GS = 10 V. It serves as a high-voltage, low-current switching device in offline auxiliary power supplies, LED driver bias circuits, and signal-level isolation stages where robust breakdown margin and TO-92 compatibility are required.

For engineers reviewing the ZVN2535ASTZ datasheet, ZVN2535ASTZ pinout, ZVN2535ASTZ application, or ZVN2535ASTZ equivalent, key selection criteria include verified 350 V BVDSS, gate threshold voltage range (1–3 V), sub-1 µA IDSS at 350 V, 100 mS transconductance, and TO-92 package thermal derating behavior under sustained 700 mW dissipation.

Technical Context

This discrete MOSFET employs vertical DMOS construction to achieve high-voltage blocking with moderate on-resistance in a through-hole TO-92 package. Its enhancement-mode operation requires positive gate drive relative to source, and it exhibits specified 1–3 V V_GS(th) with tight 10–400 µA IDSS spread across temperature and voltage conditions.

Dynamic performance includes 7 ns turn-on delay, 10 ns fall time, and low capacitance profile (C_iss = 70 pF, C_oss = 10 pF at 25 V), enabling use in low-frequency (<500 kHz) switching applications where fast transitions are secondary to voltage ruggedness and leakage control.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS max	350 V - supports direct connection to 230 VAC rectified rails with safety margin
R_DS(on)	35 Ω @ V_GS = 10 V, I_D = 100 mA - defines conduction loss in low-current switch mode
V_GS(th)	1–3 V - ensures reliable turn-on with standard logic-level or resistor-biased gate drives
I_DSS	10–400 µA @ V_DS = 350 V - critical for standby leakage in always-on auxiliary supplies
P_tot	700 mW @ T_amb = 25 °C - sets maximum continuous power handling on PCB without heatsink
g_fs	100 mS @ V_DS = 25 V, I_D = 100 mA - determines small-signal gain and gate drive sensitivity
C_iss	70 pF @ V_DS = 25 V - influences gate drive power and EMI in switching transitions

Pinout & Package

Package: TO-92 (E-Line compatible), through-hole, 3-lead plastic case with standard D-G-S pin assignment (viewed from flat side, leads down: left = Drain, center = Gate, right = Source).

Pin/Terminal	Circuit Role	Design Meaning
Drain (D)	High-voltage output node	Connected to primary-side rail (e.g., rectified AC line); must withstand full 350 V transient stress
Gate (G)	Control input	Requires ≤±20 V drive; 20 nA IGSS enables high-impedance bias networks
Source (S)	Reference node / return path	Common return for gate drive and load; ties to ground or negative rail in low-side configuration

Key Features

Feature	Design Value
350 V BVDSS rating	Enables direct interface with 230 VAC-derived DC buses without cascading devices
TO-92 mechanical compatibility	Allows drop-in replacement of legacy ZVN2535A and similar low-power HV FETs in existing layouts
Low 10–400 µA IDSS at 350 V	Minimizes no-load power loss in standby-operated auxiliary converters
100 mS forward transconductance	Provides predictable, linearized gate control over 10–250 mA operating range
70 pF input capacitance	Reduces gate drive current demand and associated heat in <500 kHz switching

Applications

Offline Auxiliary Power Supply

LED Driver Bias Circuit

Use Scenario: Provides isolated 12 V/50 mA bias supply for main controller IC in AC-DC SMPS.

IC Role / Device Role / Timing Role: High-side switch controlling energy transfer into auxiliary transformer primary.

Use Value: 350 V rating eliminates need for voltage divider or cascode, simplifying primary-side design.

Use Scenario: Supplies constant-current reference voltage for linear LED string drivers in signage.

IC Role / Device Role / Timing Role: Voltage-regulated current sink enabling stable bias for op-amp feedback loop.

Use Value: Low IDSS ensures minimal drift in reference voltage over temperature and time.

Signal-Level Isolation Stage

Microcontroller Input Protection

Use Scenario: Galvanically isolates 24 V industrial sensor signals before MCU ADC input.

IC Role / Device Role / Timing Role: High-impedance switch enabling/disabling signal path based on system state.

Use Value: 35 Ω R_DS(on) introduces negligible series resistance in active path while blocking fault voltages.

Use Scenario: Clamps and limits transient voltage on GPIO pins exposed to external connectors.

IC Role / Device Role / Timing Role: Fast-acting shunt protection element triggered by overvoltage on protected line.

Use Value: Verified 350 V breakdown withstands IEC 61000-4-5 surge events without degradation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage N-channel switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZVN2530A	BVDSS = 300 V, R_DS(on) = 45 Ω, same TO-92 package	Limited to 230 VAC-derived rails with reduced safety margin	Select when lower cost outweighs 50 V derating requirement
DMN2535UW	BVDSS = 350 V, R_DS(on) = 28 Ω, SOT-23 package, higher g_fs (150 mS)	Suitable for surface-mount designs; not pin-compatible with TO-92	Choose for space-constrained PCBs accepting re-layout and thermal redesign

Compared with ZVN2535ASTZ, ZVN2530A trades 50 V breakdown headroom for lower unit cost, while DMN2535UW delivers lower on-resistance and faster switching in a smaller footprint-but requires board revision and thermal reassessment due to SOT-23 power density limits.

Availability

ZVN2535ASTZ is available at Aetrix Electronics and suitable for offline auxiliary power supplies, LED driver bias circuits, and signal-level isolation stages requiring stable component supply and long-term industrial availability.

Supply support for ZVN2535ASTZ 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, industry-standard components for power management and signal conditioning.

ZVN2535ASTZ belongs to Diodes' vertical DMOS FET product line, designed specifically for cost-sensitive, high-voltage, low-current switching in AC-DC auxiliary supplies and industrial control interfaces.

FAQ

Is ZVN2535ASTZ suitable for use as a high-side switch in 230 VAC-powered systems?

Yes. With a guaranteed 350 V BVDSS and 10–400 µA IDSS at 350 V, it safely handles peak rectified voltages (~325 V) plus safety margins. Derating per JEDEC JESD78 is recommended, and layout must minimize dv/dt-induced gate coupling. Thermal design must respect 700 mW P_tot at 25 °C ambient.

What is the maximum gate drive voltage that can be applied to ZVN2535ASTZ?

The absolute maximum V_GS is ±20 V. Operation beyond this risks irreversible gate oxide damage. For reliable enhancement-mode switching, V_GS should be maintained between 4.5 V (to ensure full enhancement above V_GS(th) max) and 15 V (to avoid overstress while preserving gate driver longevity).

Does ZVN2535ASTZ have avalanche rating or SOA data in its datasheet?

No. The official datasheet does not specify single-pulse avalanche energy (E_AS) or safe operating area (SOA) curves. It is intended for non-avalanche, linearly operated or switched-mode applications with controlled voltage and current limiting. Designers must implement external clamping or current limiting for inductive load switching.

Can ZVN2535ASTZ replace ZVN2535A in existing designs?

Yes-ZVN2535ASTZ is a direct, form-fit-function replacement for ZVN2535A. Both share identical TO-92 packaging, pinout, electrical specifications, and thermal characteristics. The "TZ" suffix denotes tape-and-reel packaging option; the device itself is electrically and mechanically identical to the original ZVN2535A.

ZVN2535ASTZ Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: E-Line-3

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 350 V

Current - Continuous Drain (Id) @ 25°C:: 90mA (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: 35Ohm @ 100mA, 10V

Vgs(th) (Max) @ Id:: 3V @ 1mA

Gate Charge (Qg) (Max) @ Vgs:: -

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 70 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 700mW (Ta)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: E-Line (TO-92 compatible)

ZVN2535ASTZ FAQ

1.How can I place an order for ZVN2535ASTZ through Aetrix?

Please submit a Request for Quotation (RFQ) for ZVN2535ASTZ 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 ZVN2535ASTZ reliable?

The price and inventory of ZVN2535ASTZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZVN2535ASTZ is usually 5 days.

3.What payment methods are accepted for ZVN2535ASTZ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZVN2535ASTZ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZVN2535ASTZ?

ZVN2535ASTZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZVN2535ASTZ 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 ZVN2535ASTZ?

For technical support, including ZVN2535ASTZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZVN2535ASTZ requirements.

6.How does Aetrix verify that ZVN2535ASTZ is sourced from the original manufacturer or authorized distributors?

All ZVN2535ASTZ 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 ZVN2535ASTZ meets industry standards.

7.What is the process for return or replacement of ZVN2535ASTZ?

All ZVN2535ASTZ units undergo pre-shipment inspection (PSI). If there is an issue with ZVN2535ASTZ, 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 ZVN2535ASTZ part is unused and in its original packaging.

Return procedure for ZVN2535ASTZ:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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