V6 (DZ23C4V3-V) - 4.3V SOT-23 Dual Zener Diode | Vishay
MPN: V6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.05 | $0.05 |
| 10 | $0.04 | $0.40 |
| 100 | $0.03 | $3.00 |
| 500 | $0.025 | $12.50 |
| 1,000 | $0.02 | $20.00 |
Drop-in alternatives for V6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DZ23C4V3-V-GS08
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DZ23C4V3-H-7-F
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
BZX84C4V3
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
V6 Maximum Ratings & Electrical Characteristics
| Part Number (Full) | DZ23C4V3-V |
| Package Marking | V6 |
| Device Type | Small Signal Zener Diode, Dual |
| Package | SOT-23 |
| Configuration | Dual diode |
| Mounting Type | Surface Mount |
| Manufacturer | Vishay Siliconix |
| Datasheet Size | 119 KB / 8 pages (per Alldatasheet listing) |
V6 Pin Configuration
| Pin 1 | Cathode / Anode (Diode 1) β Terminal 1 of first Zener diode (confirm exact polarity from Vishay DZ23C datasheet) |
| Pin 2 | Common Terminal β Common terminal connecting both diodes (configuration-dependent; verify in datasheet) |
| Pin 3 | Cathode / Anode (Diode 2) β Terminal of second Zener diode (confirm exact polarity from Vishay DZ23C datasheet) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
V6 is suitable for 6 applications: Microcontroller GPIO Input Clamping, Analog Bias and Offset Generation, Sensor Interface Protection, Automotive Body and Comfort Electronics, Consumer Audio Equipment Line Clamping, Test and Measurement Probe Front Ends.
Microcontroller GPIO Input Clamping
The DZ23C4V3-V dual Zener is used to clamp voltage excursions on microcontroller GPIO and logic input lines, protecting the silicon against overvoltage transients from wiring harnesses, connectors, or user-touchable nodes. Because the package integrates two diodes, one SOT-23 protects both the positive excursion clamp and the bias or reference node of a signal line, cutting placement count versus two discrete SOD-123 Zeners. Its small-signal power class suits low-current logic clamps; designers should verify the datasheet clamping voltage at the expected transient current and keep the ground return short to limit inductive overshoot. Place the Zener within a few millimeters of the connector or pin being protected so the trace inductance ahead of the clamp stays low, and confirm that normal operating signal swing sits safely below the Zener breakdown so the clamp does not distort logic levels during normal operation.
Recommended
Analog Bias and Offset Generation
In analog bias networks, the DZ23C4V3-V supplies a stable, low-cost offset voltage for transistor bias points, comparator thresholds, and op-amp reference dividers where precision bandgap references are unnecessary. The dual-die construction means both Zeners come from the same wafer and package, improving thermal and lot-to-lot matching between the two nodes - useful in differential bias schemes. Operate the Zener at the datasheet test current for lowest dynamic impedance, and feed it from a series resistor sized for the expected supply variation. Temperature coefficient of the breakdown voltage should be checked in the Vishay datasheet if the bias point must track over the industrial temperature range. This approach trades the few-hundred-microvolt precision of a dedicated voltage reference for a cost of a few cents per position, which suits consumer and industrial boards with moderate accuracy requirements.
Recommended
Sensor Interface Protection
Sensor front ends - thermocouple amplifiers, bridge sensor conditioners, and industrial 4-20 mA loop receivers - benefit from a dual Zener clamp such as the DZ23C4V3-V at the input connector. The two internal diodes clamp both signal polarity excursions with a single placement, and the SOT-23 footprint fits tight connector-side routing where protection must sit close to the entry point. Because Zener capacitance is higher than dedicated TVS arrays, this clamp suits low-frequency sensor signals rather than fast digital buses; check junction capacitance in the datasheet for signal bandwidth above roughly 1 MHz. Series input resistors should limit fault current to within the datasheet power rating, and the clamp ground must return directly to the analog ground star point so transient currents do not inject noise into the measurement path, preserving sensor accuracy during fault events.
Recommended
Automotive Body and Comfort Electronics
Body-control modules, seat controllers, and lighting modules use small-signal Zeners like the DZ23C4V3-V for clamp and bias tasks on switch inputs, relay coil sense lines, and diagnostic pins. The dual configuration protects both the high-side sense node and its reference in one SOT-23 placement, which matters in dense automotive PCBs where placement count drives cost. Designs targeting production vehicles should select the automotive-qualified variant of the family and verify AEC-Q qualification status on the Vishay product page before release, since the commercial-grade suffix may not carry the same qualification data. Load-dump and inductive-load transients on automotive harnesses are far beyond a small-signal Zener's energy rating, so this device belongs behind a bulk TVS stage as a secondary fine clamp, with series resistance sized to keep fault energy within the datasheet limits.
Recommended
Consumer Audio Equipment Line Clamping
Line-input and headphone-output stages in consumer audio equipment use the DZ23C4V3-V as a cost-effective clamp on connector pins exposed to ESD from users and cable handling. The dual diode clamps both signal polarities of a stereo or differential pair channel with one placement, keeping the connector area layout compact. Zener clamps are suitable here because audio signals are low-frequency and the modest junction capacitance of a small-signal Zener does not measurably affect audio-band response. Keep the clamp after the series protection resistor and close to the connector to absorb ESD energy before it reaches coupling capacitors or codec inputs. Verify the datasheet clamping voltage remains above the maximum audio signal swing plus headroom so the clamp never conducts during normal playback, which would introduce distortion into the signal path.
Recommended
Test and Measurement Probe Front Ends
Bench instruments, multimeter inputs, and data-acquisition front ends use dual Zeners such as the DZ23C4V3-V as secondary clamps behind input dividers, catching overloads that pass the initial protection stage. The dual package clamps both the amplifier input and its guard or reference node in one SOT-23, simplifying the dense front-end layout typical of measurement instruments. Because instrument inputs must remain high-impedance, the Zener's leakage current from the datasheet specification must be low enough not to corrupt microvolt-level measurements; this often dictates operating the clamp at a voltage margin well above the signal range. Series input resistors set fault current limits, and layout should keep the clamp's return path isolated from the sensitive analog ground to prevent fault transients from coupling into the measurement path during overload conditions.
Recommended
Recommended Products Summary
Engineering reference data for V6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DZ23C4V3-V-GS08 | DZ23C4V3-H-7-F | BZX84C4V3 |
|---|---|---|---|---|
| Package | SOT-23 | SOT-23 - same | SOT-23 - same | SOT-23 - same |
| Brand | Vishay Intertechnology | Vishay Intertechnology | Diodes Incorporated | Nexperia |
| Diode Configuration | Dual | Dual | Dual | Single |
| Nominal Zener Voltage | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Power Dissipation | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Unit Price (1 pc, as of 2026-09-04) | $0.05 | $0.05 | $0.06 | $0.05 |
| Lifecycle Status | Active | Active | Active | Active |
Key Differentiators
- Dual diode integration in one package (vs BZX84C4V3)
- Cross-brand second source availability (vs DZ23C4V3-H-7-F)
- Lower cost than precision references (vs TL431)
Design Notes
Package marking V6 is not a unique part identifier - it is reused across many manufacturers and series (the Alldatasheet marking database lists dozens of V6-marked parts). Always confirm the part identity using the full MPN, the supplier label, and a functional Zener-voltage measurement before assembling. Marking-only identification has caused polarity and voltage-substitution errors in production. Order by the full number DZ23C4V3-V, not by the marking.
Estimated: for small-signal Zeners in SOT-23, derate the datasheet power rating linearly above the reference ambient (typically 25 C) using the datasheet derating curve. At elevated ambient inside a sealed enclosure, available dissipation may fall to roughly half the 25 C rating. Verify junction temperature stays within the datasheet maximum using the SOT-23 thermal resistance from the Vishay datasheet and your actual worst-case clamp current.
Place the clamp physically adjacent to the connector or pin being protected, with the series protection resistor between the connector and the Zener. Keep the Zener's ground return direct to the ground plane with a via close to the pad to minimize loop inductance; a long shared return lets transient current couple into adjacent signal traces. Avoid routing sensitive analog signals under or parallel to the clamp return path to preserve measurement accuracy.
Compliance Information
Compliance status not present in provided web data; confirm via official Vishay product page and environmental datasheets.
