Diodes Incorporated ZMV835ATA
- Part No.:
- ZMV835ATA
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-76, SOD-323
- Datasheet:
-
ZMV835ATA.pdf
- Description:
- DIODE VAR CAP 68PF 25V SOD-323
- Quantity:
- Payment:

- Shipping:

Inventory:2,734
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Product details
Overview
ZMV835ATA from Diodes Incorporated is a variable capacitance tuning diode. It is normally reverse-biased so its capacitance can tune RF, oscillator, or filter networks rather than carry rectifier current.
ZMV835ATA is most relevant to VCO tuning, RF filters, frequency control loops, receiver front-end adjustment, where the surrounding circuit depends on the same rating profile, footprint, thermal behavior, and sourcing continuity.
Technical Context
ZMV835ATA is used under reverse bias as a voltage-controlled capacitance element. The device is normally part of an RF resonant, oscillator, or tuning network rather than a power path.
Capacitance ratio, Q factor, tuning voltage range, package parasitics, and leakage are the main design checks for ZMV835ATA; orientation and bias noise can directly affect frequency stability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | variable capacitance tuning diode for VCO tuning and RF filters. |
| Technology | silicon varactor / tuning diode technology |
| Voltage Rating / Operating Class | reverse-bias tuning voltage dependent on circuit |
| Current / Output Class | low leakage signal-diode operating current |
| Package | small signal-diode surface-mount package |
| Primary Circuit Role | Provides the board-level function indicated by its family code while preserving package-specific assembly constraints. |
| Thermal Design Meaning | Power loss and temperature rise should be reviewed using the real waveform, package mounting, and board layout. |
| Assembly Meaning | The package code affects pick-and-place setup, solder-joint inspection, and mechanical compatibility on existing boards. |
| Design Detail | voltage-controlled capacitance |
| Design Detail | RF and oscillator tuning support |
| Design Detail | low-current reverse-biased operation |
Pinout & Package
ZMV835ATA uses small signal-diode surface-mount package. Pin mapping, polarity, or item format should be matched to the exact board, fixture, or procurement requirement before replacement.
| Pin / Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward-current entry terminal. | Connects to the source side of the intended conduction path. |
| Cathode | Forward-current exit and reverse-blocking terminal. | Connects to the protected, rectified, clamped, or higher-potential node. |
| small signal-diode surface-mount package | Mechanical and thermal package format. | Defines footprint, polarity marking, heat flow, and assembly handling. |
Key Features
- ZMV835ATA is identified as a variable capacitance tuning diode.
- reverse-bias tuning voltage dependent on circuit voltage or operating class for the relevant circuit stress.
- low leakage signal-diode operating current current or output class, subject to package and thermal derating.
- small signal-diode surface-mount package package or item format for procurement and assembly review.
- voltage-controlled capacitance
- RF and oscillator tuning support
- low-current reverse-biased operation
Applications
| VCO tuning | RF filters |
|---|---|
|
Use Scenario: VCO tuning where the design needs reverse-bias tuning voltage dependent on circuit behavior from ZMV835ATA. Device Role: ZMV835ATA provides the variable capacitance tuning diode function in the local circuit block. Use Value: The part keeps the small signal-diode surface-mount package footprint and rating profile aligned with the intended board function. |
Use Scenario: RF filters requiring the device family behavior instead of a generic component choice. Device Role: ZMV835ATA handles the switching, protection, control, memory, or power-path task defined by its category. Use Value: Using the correct family reduces requalification risk around timing, voltage, current, thermal, and package constraints. |
| frequency control loops | receiver front-end adjustment |
|
Use Scenario: frequency control loops where operating stress, package size, and sourcing continuity all matter. Device Role: ZMV835ATA sits in the circuit as a BOM-controlled part rather than a cosmetic ordering code. Use Value: The device-specific rating and package information help engineers avoid unsuitable substitutions during procurement. |
Use Scenario: receiver front-end adjustment for legacy, current-production, or lifecycle-sensitive assemblies. Device Role: ZMV835ATA supports the same product-family function when matched to the existing schematic and layout. Use Value: A careful match protects system behavior while giving buyers a traceable sourcing path. |
Equivalent & Alternatives
When evaluating ZMV835ATA equivalent devices, compare voltage rating or operating class, current or output capability, package and footprint, pin mapping or polarity, thermal behavior, qualification suffix, lifecycle and sourcing status. A similar family name is not enough when the board depends on timing, leakage, firmware, optical output, or protection behavior.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZMV835ATA | Base ordering family related to ZMV835ATA, usually differing by suffix, reel, lead finish, or package code. | May help sourcing discussions but does not remove the need for electrical and mechanical comparison. | Use only after matching ratings, pinout or polarity, package, qualification, and lifecycle status. |
Quality
ZMV835ATA should be sourced as original Diodes Incorporated material through traceable and controlled supply channels. Quality verification may include package inspection, marking verification, polarity or pinout review, solderability testing, leakage or continuity checks, and reel label verification, along with incoming inspection suited to variable capacitance tuning diode production, repair, or lifecycle procurement.
Availability
ZMV835ATA is available at Aetrix Electronics and suitable for VCO tuning, RF filters, frequency control loops, receiver front-end adjustment requiring small signal-diode surface-mount package in a controlled BOM or repair program.
Supply support may include scheduled delivery planning, volume procurement support, BOM continuity assistance, traceable sourcing management, and lifecycle availability coordination for manufacturers, repair teams, contract manufacturers, and engineering buyers managing variable capacitance tuning diode demand.
For production deployment, confirming package fit, pin mapping or polarity, electrical rating, temperature margin, lifecycle status, approved manufacturer identity, and sourcing continuity helps reduce qualification risk for ZMV835ATA.
Manufacturer
Diodes Incorporated supplies rectifiers, Schottky diodes, SBR devices, protection products, transistors, MOSFETs, analog ICs, logic devices, and power-management semiconductors. ZMV835ATA belongs to the Diodes Incorporated product family identified by its prefix and package suffix.
FAQ
What is ZMV835ATA used for?
ZMV835ATA is used for VCO tuning, RF filters, frequency control loops. In those circuits, ZMV835ATA provides the variable capacitance tuning diode function with small signal-diode surface-mount package. The final selection should match the schematic role, operating stress, package footprint, and sourcing requirements.
What package or format does ZMV835ATA use?
ZMV835ATA uses small signal-diode surface-mount package. This package or item format affects footprint, soldering, thermal behavior, polarity or pin mapping, and incoming inspection. When replacing ZMV835ATA, the package code should be checked as carefully as the headline electrical rating.
What are the key design checks for ZMV835ATA?
Key design checks for ZMV835ATA include voltage margin, current or output load, temperature rise, pinout or polarity, package fit, lifecycle status. These checks help prevent a visually similar part from changing circuit behavior or assembly reliability.
Can ZMV835ATA be replaced by a similar part?
ZMV835ATA can be compared with similar family members only after electrical limits, package, orientation, qualification suffix, timing or leakage behavior, and approved-source rules are reviewed. A similar name alone is not enough because ZMV835ATA may carry package, program, bin, or lifecycle details.
Why source ZMV835ATA through Aetrix Electronics?
Sourcing ZMV835ATA through Aetrix Electronics supports traceable procurement, scheduled delivery planning, BOM continuity assistance, and lifecycle availability coordination. This is useful when ZMV835ATA is needed for production builds, repair lots, controlled alternates, or long-running equipment support.
ZMV835ATA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Capacitance @ Vr, F:
- 74.8pF @ 2V, 1MHz
- Capacitance Ratio:
- 6.5
- Capacitance Ratio Condition:
- C2/C20
- Voltage - Peak Reverse (Max):
- 25 V
- Diode Type:
- Single
- Q @ Vr, F:
- 100 @ 3V, 50MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
ZMV835ATA FAQ
1.How can I place an order for ZMV835ATA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZMV835ATA 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 ZMV835ATA reliable?
The price and inventory of ZMV835ATA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZMV835ATA is usually 5 days.
3.What payment methods are accepted for ZMV835ATA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZMV835ATA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZMV835ATA?
ZMV835ATA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZMV835ATA 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 ZMV835ATA?
For technical support, including ZMV835ATA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZMV835ATA requirements.
6.How does Aetrix verify that ZMV835ATA is sourced from the original manufacturer or authorized distributors?
All ZMV835ATA 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 ZMV835ATA meets industry standards.
7.What is the process for return or replacement of ZMV835ATA?
All ZMV835ATA units undergo pre-shipment inspection (PSI). If there is an issue with ZMV835ATA, 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 ZMV835ATA part is unused and in its original packaging.
Return procedure for ZMV835ATA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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