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Vishay General Semiconductor - Diodes Division TZQ5260B-GS08
- Part No.:
- TZQ5260B-GS08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Zener Diodes
- Package:
- SOD-80 Variant
- Datasheet:
-
TZQ5260B-GS08.pdf
- Description:
- DIODE ZENER 43V 500MW SOD80
- Quantity:
- Payment:
- Shipping:
Inventory:8,640
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Product details
Overview
TZQ5260B-GS08 from Vishay Semiconductors is a precision small-signal Zener diode with nominal zener voltage of 43 V, ±5 % tolerance, 3 mA test current (IZT), <0.1 μA reverse leakage at VR, and dynamic resistance of 33 Ω at IZT - designed for stable voltage reference and regulation in low-power analog circuits.
For engineers reviewing the TZQ5260B-GS08 datasheet, TZQ5260B-GS08 pinout, TZQ5260B-GS08 application, or TZQ5260B-GS08 equivalent, this device requires attention to thermal equilibrium testing conditions, QuadroMELF (SOD-80) mounting constraints, temperature coefficient (+0.095 %/K), and its specified 500 mW power dissipation limit under defined PCB thermal conditions.
Technical Context
This Zener diode operates in reverse breakdown with sharp knee characteristics and low noise, validated under DC measurement at thermal equilibrium (case temperature 30 °C ± 2 °C). Its stability and tight tolerance support precision biasing and reference functions where drift must be minimized across temperature.
The device exhibits a positive temperature coefficient of +0.095 %/K and is rated for junction temperatures up to 175 °C, with storage range from –65 °C to +175 °C. It uses UL 94 V-0 molding compound and meets MSL Level 1 per J-STD-020.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 43 V nominal, ±5 % tolerance - defines stable regulation point for reference circuits |
| Test Current (IZT) | 3 mA - operating point at which VZ and dynamic resistance are specified |
| Dynamic Resistance (ZZ) | 33 Ω at IZT - determines output impedance and load regulation sensitivity |
| Reverse Leakage (IR) | < 0.1 μA at VR - ensures minimal error current in high-impedance reference nodes |
| Power Dissipation (Ptot) | 500 mW - maximum steady-state power under RthJA ≤ 300 K/W condition |
| Temperature Coefficient (TKVZ) | +0.095 %/K - quantifies VZ drift per degree Celsius rise in junction temperature |
| Junction Temperature (Tj) | 175 °C max - sets upper thermal limit for reliable long-term operation |
Pinout & Package
QuadroMELF (SOD-80) surface-mount glass package with axial cathode identification; no discrete pins - terminals are anode and cathode ends of cylindrical body. Mounting requires symmetric footprint with ≥2 mm minimum pad spacing and controlled reflow profile (260 °C/10 s at terminals).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / reference ground node | Connected to lower-potential side in Zener regulation; establishes reference return path |
| Cathode | Zener breakdown terminal / regulated output node | Marked end; supplies stable 43 V output when reverse-biased above breakdown threshold |
Key Features
| Feature | Design Value |
|---|---|
| Very sharp reverse characteristic | Enables precise voltage clamping with minimal knee voltage spread at low currents |
| Low reverse leakage current | <0.1 μA at VR ensures negligible error current in high-Z reference dividers |
| High stability over time and temperature | Validated under thermal equilibrium; TKVZ tightly controlled at +0.095 %/K |
| Low noise performance | Supports use in sensitive analog references without introducing measurable ripple |
| UL 94 V-0 flammability rating | Confirms compliance with safety standards for enclosed industrial and automotive modules |
Applications
| Industrial Sensor Signal Conditioning | Programmable Logic Controller (PLC) Input Protection |
|---|---|
Use Scenario: Stabilizing bias voltage for op-amp-based bridge sensor interfaces in factory-floor pressure transmitters. IC Role / Device Role / Timing Role: Zener reference providing fixed 43 V rail for excitation and ADC reference scaling. Use Value: Maintains <±0.5 % output accuracy over –40 °C to +85 °C ambient due to low TKVZ and tight VZ tolerance. |
Use Scenario: Overvoltage clamp on 24 V digital input channels exposed to field-wiring transients. IC Role / Device Role / Timing Role: Fast-acting shunt protector limiting transient spikes to safe levels before downstream logic. Use Value: Sharp reverse knee and 500 mW Ptot enable robust clamping without thermal runaway during repetitive surges. |
| Medical Instrumentation Power Rails | Automotive Body Control Module References |
Use Scenario: Generating calibrated reference for isolated 12-bit SAR ADC in portable ECG front-end. IC Role / Device Role / Timing Role: Low-noise voltage reference source decoupled from noisy switching supplies. Use Value: Sub-microamp leakage and low noise preserve SNR >72 dB in analog signal chain. |
Use Scenario: Providing stable 43 V reference for LIN bus voltage monitor circuitry in door module ECUs. IC Role / Device Role / Timing Role: Regulation node ensuring accurate detection of bus fault thresholds across temperature. Use Value: MSL Level 1 and –65 °C to +175 °C Tstg support AEC-Q200–aligned reflow and under-hood reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX55-C43 (ON Semiconductor) | Same 43 V nominal, ±5 %, but TO-92 package (larger footprint, higher RthJA ≈ 500 K/W) | Less suitable for space-constrained SMT designs; higher thermal resistance limits power handling in dense layouts | Select TZQ5260B-GS08 for QuadroMELF footprint and superior thermal performance on compact PCBs |
| MMSZ43ET1G (onsemi) | SOD-123 package, same 43 V/±5 %, but higher IR (≤1.0 μA) and ZZ (≈45 Ω) | Acceptable for general-purpose regulation but less optimal for low-leakage precision references | Choose TZQ5260B-GS08 when sub-0.1 μA leakage and 33 Ω dynamic resistance are required |
Compared with BZX55-C43 and MMSZ43ET1G, the TZQ5260B-GS08 delivers tighter leakage control, lower dynamic impedance, and superior thermal efficiency in a miniature SOD-80 package - making it preferred for high-stability, space-limited, and low-noise analog reference designs.
Availability
TZQ5260B-GS08 is available at Aetrix Electronics and suitable for industrial sensor conditioning, PLC input protection, medical instrumentation power rails, and automotive body control module references requiring stable component supply, consistent parametric performance, and traceable sourcing.
Supply support for TZQ5260B-GS08 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
Vishay Intertechnology is a global semiconductor manufacturer specializing in discrete components, passive elements, and sensors - with emphasis on reliability, precision, and ruggedized performance.
The TZQ5260B-GS08 belongs to Vishay's TZQ52xxB series of small-signal Zener diodes, engineered for high-stability voltage reference and regulation in demanding industrial, medical, and automotive environments.
FAQ
What is the nominal zener voltage and tolerance of TZQ5260B-GS08?
The TZQ5260B-GS08 has a nominal zener voltage of 43 V with a tolerance of ±5 %, measured at thermal equilibrium with case temperature maintained at 30 °C ± 2 °C. This specification ensures predictable regulation behavior in precision reference applications where voltage accuracy directly impacts system calibration integrity.
What is the maximum power dissipation rating for TZQ5260B-GS08?
The TZQ5260B-GS08 is rated for a maximum total power dissipation of 500 mW under conditions where thermal resistance from junction to ambient (RthJA) is ≤300 K/W. This rating assumes proper PCB layout with adequate copper area; exceeding it risks thermal runaway or accelerated parameter drift.
How does the temperature coefficient of TZQ5260B-GS08 affect its performance?
The TZQ5260B-GS08 has a temperature coefficient (TKVZ) of +0.095 %/K, meaning its zener voltage increases by approximately 40.85 mV per °C rise in junction temperature. This positive drift must be factored into wide-temperature-range designs, especially where long-term reference stability is critical.
What packaging format is used for TZQ5260B-GS08?
The TZQ5260B-GS08 is supplied in QuadroMELF (SOD-80) glass package - a cylindrical surface-mount outline with cathode identification marking. The GS08 ordering code indicates 2500 units per 7-inch reel, optimized for automated placement in high-volume manufacturing.
Is TZQ5260B-GS08 suitable for automotive applications?
Yes, the TZQ5260B-GS08 supports automotive use through its extended storage temperature range (–65 °C to +175 °C), MSL Level 1 moisture sensitivity rating, UL 94 V-0 flammability compliance, and proven stability under thermal cycling - meeting foundational requirements for non-safety-critical body electronics modules.
TZQ5260B-GS08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- SOD-80 Variant
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 43 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 93 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 33 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.5 V @ 200 mA
- Operating Temperature:
- -65°C ~ 175°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-80 QuadroMELF
TZQ5260B-GS08 FAQ
1.How can I place an order for TZQ5260B-GS08 through Aetrix?
Please submit a Request for Quotation (RFQ) for TZQ5260B-GS08 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 TZQ5260B-GS08 reliable?
The price and inventory of TZQ5260B-GS08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TZQ5260B-GS08 is usually 5 days.
3.What payment methods are accepted for TZQ5260B-GS08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TZQ5260B-GS08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TZQ5260B-GS08?
TZQ5260B-GS08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TZQ5260B-GS08 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 TZQ5260B-GS08?
For technical support, including TZQ5260B-GS08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TZQ5260B-GS08 requirements.
6.How does Aetrix verify that TZQ5260B-GS08 is sourced from the original manufacturer or authorized distributors?
All TZQ5260B-GS08 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 TZQ5260B-GS08 meets industry standards.
7.What is the process for return or replacement of TZQ5260B-GS08?
All TZQ5260B-GS08 units undergo pre-shipment inspection (PSI). If there is an issue with TZQ5260B-GS08, 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 TZQ5260B-GS08 part is unused and in its original packaging.
Return procedure for TZQ5260B-GS08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TZQ5260B-GS08 Tags
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MM5Z5V1ST1G
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