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Nexperia USA Inc. BZX8850S-B30-QYL
- Part No.:
- BZX8850S-B30-QYL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-882
- Datasheet:
-
BZX8850S-B30-QYL.pdf
- Description:
- DIODE ZENER 30V 365MW DFN1006BD
- Quantity:
- Payment:
- Shipping:
Inventory:2,695
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Product details
Overview
BZX8850S-B30-QYL from Nexperia is a low-current Zener voltage regulator diode in an ultra-small DFN1006BD-2 (SOD882BD) package, designed for precision biasing and voltage reference in space-constrained, low-power circuits. It delivers a nominal 30 V Zener voltage at 50 µA test current, with ±2 % tolerance, 300 Ω typical differential resistance at 5 mA, and AEC-Q101 qualification for automotive use.
For engineers reviewing the BZX8850S-B30-QYL datasheet, BZX8850S-B30-QYL pinout, BZX8850S-B30-QYL application, or BZX8850S-B30-QYL equivalent, this device is selected for stable low-current regulation in battery-powered sensors, ECU reference rails, and portable instrumentation where minimal leakage and side-wettable flanks for solder inspection are critical.
Technical Context
This Zener diode operates in reverse breakdown mode with a specified working voltage of 29.4 V to 30.6 V at IZ = 50 µA, exhibiting a temperature coefficient of +0.05 mV/K and reverse current ≤0.05 µA at VR = 22.8 V. Its low 50 µA test current enables accurate regulation under micro-power conditions without significant self-heating.
The device uses silicon planar Zener technology with intentional minor leakage optimization per AN90031, supporting fast transient response and reduced noise in feedback paths. Thermal resistance from junction-to-ambient is 340 K/W on FR4 PCB, limiting continuous power dissipation to 365 mW at Tamb ≤ 25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 29.4 V to 30.6 V at IZ = 50 µA - defines precise regulation point for low-bias reference design |
| Tolerance | ±2 % - ensures tight voltage accuracy without post-production trimming |
| Differential Resistance (rdiff) | 300 Ω max at IZ = 5 mA - determines load regulation error and output impedance in shunt configuration |
| Forward Voltage (VF) | ≤0.9 V at IF = 10 mA - enables reliable forward conduction for polarity protection or clamping |
| Power Dissipation (Ptot) | 365 mW at Tamb ≤ 25 °C - sets maximum continuous shunt power before thermal derating |
| Junction Temperature (Tj) | −55 °C to +150 °C - supports operation across automotive under-hood and industrial ambient ranges |
| AEC-Q101 Qualified | Yes - validated for automotive discrete semiconductor stress testing including HTGB, HTRB, and temperature cycling |
Pinout & Package
Package: DFN1006BD-2 (SOD882BD), leadless surface-mount, 1.0 mm × 0.6 mm × 0.47 mm body, side-wettable flanks for automated optical solder inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (marked side) | Cathode (K) | Connected to regulated voltage rail; reverse-biased terminal where Zener breakdown occurs |
| 2 | Anode (A) | Connected to ground or lower potential; completes shunt regulation path during reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low test current | Specified at 50 µA - minimizes quiescent current draw in battery-critical applications |
| Side-wettable flanks | DFN1006BD-2 package geometry - enables automated X-ray and AOI verification of solder joint integrity |
| Optimized leakage profile | Intentional minor IR rise per AN90031 - improves switching speed and reduces broadband noise in reference paths |
| Automotive qualification | AEC-Q101 compliant - qualified for engine control units, ADAS sensors, and body electronics |
| Low thermal resistance footprint | Standard SOD882BD layout on FR4 - supports thermal management without custom pad design |
Applications
| Automotive ECU Reference Rail | Portable Gas Sensor Biasing |
|---|---|
|
Use Scenario: Providing stable 30 V reference for analog front-end amplifiers and ADC drivers in engine control modules. IC Role / Device Role / Timing Role: Shunt voltage reference maintaining regulation despite battery voltage fluctuations (9–16 V) and load transients. Use Value: ±2 % tolerance and AEC-Q101 qualification ensure long-term stability and functional safety compliance in ASIL-B systems. |
Use Scenario: Biasing electrochemical gas sensing elements requiring precise, low-drift excitation voltage. IC Role / Device Role / Timing Role: Low-current Zener reference supplying fixed bias to sensor electrodes with minimal self-heating. Use Value: 50 µA test current and <0.05 µA leakage at 22.8 V enable multi-year operation on coin-cell batteries. |
| Industrial IoT Node Power Monitor | Medical Wearable Signal Conditioning |
|
Use Scenario: Monitoring 24 V DC supply rails in edge gateways using resistive divider + Zener-clamped ADC input. IC Role / Device Role / Timing Role: Overvoltage clamp and reference stabilizer protecting 3.3 V ADC inputs from line surges. Use Value: 365 mW power rating and 40 W non-repetitive surge capability (100 µs) absorb transient energy without failure. |
Use Scenario: Generating clean 30 V bias for photodiode transimpedance amplifier stages in pulse oximeters. IC Role / Device Role / Timing Role: Low-noise voltage reference minimizing baseline drift in high-gain analog signal chains. Use Value: Optimized leakage profile per AN90031 reduces 1/f noise contribution, improving SNR in sub-µV measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX8850S-C30-Q | ±5 % tolerance, identical package and VZ range (28.5–31.5 V), higher max leakage (0.05 µA vs. B-series' 0.05 µA at same VR) | Suitable for cost-sensitive non-automotive applications where tighter tolerance is not required | Select when budget constraints outweigh need for ±2 % accuracy and AEC-Q101 validation |
| MMSZ5262BT1G | SOD-123 package (larger), ±5 % tolerance, 30 V nominal, 500 mW Ptot, no AEC-Q101 qualification | Acceptable for consumer-grade power supplies but lacks automotive reliability validation and side-wettable flanks | Choose only for prototyping or non-automotive production where board space and inspection capability are less critical |
Compared with BZX8850S-C30-Q and MMSZ5262BT1G, the BZX8850S-B30-QYL offers superior accuracy, automotive qualification, and manufacturability via side-wettable flanks-making it the sole choice for volume automotive and high-reliability portable designs requiring 30 V reference stability at micro-power levels.
Availability
BZX8850S-B30-QYL is available at Aetrix Electronics and suitable for automotive ECU reference rails, portable gas sensor biasing, and industrial IoT node power monitoring requiring stable component supply, full traceability, and AEC-Q101-compliant sourcing.
Supply support for BZX8850S-B30-QYL 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
Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, discrete, and MOSFET solutions, with leadership in automotive-qualified components and advanced packaging.
The BZX8850S-Q series belongs to Nexperia's low-current Zener regulator portfolio, engineered specifically for precision voltage referencing in space-constrained, battery-operated, and automotive systems where low test current and manufacturable packaging are essential.
FAQ
What is the maximum reverse voltage that can be safely applied before breakdown?
The BZX8850S-B30-QYL has a nominal Zener voltage of 30 V with a guaranteed range of 29.4 V to 30.6 V at 50 µA. Below 29.4 V, it remains in high-impedance reverse blocking mode with leakage ≤0.05 µA at 22.8 V. Applying voltage below this threshold avoids conduction and ensures stable off-state behavior in clamping or reference configurations.
How does the side-wettable flank design improve manufacturing yield?
The DFN1006BD-2 package features exposed copper on the side edges of terminals 1 and 2, enabling automated optical inspection (AOI) and X-ray systems to verify solder fillet formation and wetting quality. This eliminates reliance on end-of-line functional test for solder joint integrity-reducing field failures and rework in high-volume automotive PCB assembly.
Is this diode suitable for use in a shunt voltage regulator circuit with 100 µA load current?
Yes. With a 30 V Zener voltage and 365 mW total power dissipation limit, the device supports up to ~12 mA of total shunt current at 25 °C ambient. At 100 µA load, the series resistor can be sized to deliver sufficient Zener bias current (≥50 µA) while maintaining regulation stability, especially given its low 300 Ω dynamic resistance at 5 mA.
Does the "-QYL" suffix indicate a specific tape-and-reel packaging variant?
Yes. The "-QYL" suffix denotes Nexperia's standard 10,000-piece 8 mm tape-and-reel packaging with embossed carrier tape, EIA-481-compliant orientation, and moisture sensitivity level (MSL) 1 rating-ensuring compatibility with high-speed pick-and-place equipment and eliminating bake requirements prior to reflow soldering.
BZX8850S-B30-QYL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZX8850S-Q
- Package/Case:
- SOD-882
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 30 V
- Tolerance:
- ±2%
- Power - Max:
- 365 mW
- Impedance (Max) (Zzt):
- 80 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 22.8 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006BD-2
BZX8850S-B30-QYL FAQ
1.How can I place an order for BZX8850S-B30-QYL through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX8850S-B30-QYL 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 BZX8850S-B30-QYL reliable?
The price and inventory of BZX8850S-B30-QYL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX8850S-B30-QYL is usually 5 days.
3.What payment methods are accepted for BZX8850S-B30-QYL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX8850S-B30-QYL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX8850S-B30-QYL?
BZX8850S-B30-QYL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX8850S-B30-QYL 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 BZX8850S-B30-QYL?
For technical support, including BZX8850S-B30-QYL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX8850S-B30-QYL requirements.
6.How does Aetrix verify that BZX8850S-B30-QYL is sourced from the original manufacturer or authorized distributors?
All BZX8850S-B30-QYL 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 BZX8850S-B30-QYL meets industry standards.
7.What is the process for return or replacement of BZX8850S-B30-QYL?
All BZX8850S-B30-QYL units undergo pre-shipment inspection (PSI). If there is an issue with BZX8850S-B30-QYL, 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 BZX8850S-B30-QYL part is unused and in its original packaging.
Return procedure for BZX8850S-B30-QYL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX8850S-B30-QYL Tags
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MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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BZT52C15-7-F
Diodes Incorporated
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onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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BZT52C15S-7-F
Diodes Incorporated
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MM5Z5V1ST1G
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