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Nexperia USA Inc. BZX8850-C5V1YL
- Part No.:
- BZX8850-C5V1YL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-882
- Datasheet:
-
BZX8850-C5V1YL.pdf
- Description:
- DIODE ZENER 5.1V 250MW DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:7,543
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Product details
Overview
BZX8850-C5V1YL from Nexperia is a low-current Zener diode in SOD882 (DFN1006-2) package, designed for precision voltage regulation at 5.1 V nominal with ±5 % tolerance. It delivers stable reference voltage at 50 μA test current, features 500 Ω differential resistance at 5 mA, and operates with ≤250 mW total power dissipation. It is used in portable battery-powered circuits requiring low-bias voltage stabilization.
For engineers reviewing the BZX8850-C5V1YL datasheet, BZX8850-C5V1YL pinout, BZX8850-C5V1YL application, or BZX8850-C5V1YL equivalent, this page provides verified Zener voltage, thermal resistance, leakage behavior, cathode/anode terminal mapping, and validated alternatives for low-power regulation design.
Technical Context
This Zener diode operates in reverse breakdown mode with a nominal Zener voltage of 5.1 V at IZ = 50 μA, exhibiting a temperature coefficient of −2.0 mV/K and typical diode capacitance of 130 pF at 0 V. Its differential resistance is 500 Ω at 5 mA, confirming tight regulation under light-load conditions.
Designed for ultra-low bias applications, it specifies reverse current ≤3.0 μA at VR = 3.0 V and forward voltage ≤0.9 V at IF = 10 mA. The device's thermal resistance from junction to ambient is 500 K/W on FR4 PCB, supporting operation from −55 °C to +150 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 4.85 V to 5.36 V at IZ = 50 μA - defines regulation window for low-current reference stability |
| Differential Resistance rdiff | 500 Ω at IZ = 5 mA - indicates voltage change per current step; critical for load regulation error |
| Power Dissipation Ptot | 250 mW at Tamb ≤ 25 °C - sets maximum continuous DC power on standard FR4 PCB |
| Forward Voltage VF | ≤ 0.9 V at IF = 10 mA - enables use as low-drop rectifier or clamp in dual-polarity circuits |
| Reverse Current IR | ≤ 3.0 μA at VR = 3.0 V - ensures minimal quiescent drain in battery-critical standby paths |
| Thermal Resistance Rth(j-a) | 500 K/W - determines junction temperature rise above ambient under steady-state bias |
| Capacitance Cd | 130 pF at f = 1 MHz, VR = 0 V - impacts high-frequency noise filtering and transient response |
Pinout & Package
Package: SOD882 (DFN1006-2), leadless ultra-small surface-mount plastic package; dimensions 1.0 × 0.6 × 0.5 mm; cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; reverse-biased terminal where Zener breakdown occurs |
| 2 | Anode (A) | Connected to ground or lower potential; completes bias path for controlled reverse conduction |
Key Features
| Feature | Design Value |
|---|---|
| Low test current specification | 50 μA Zener test point - enables accurate regulation in micro-power sensor nodes and coin-cell systems |
| Controlled leakage optimization | Intentional minor IR rise per AN90031 - improves switching speed and reduces broadband noise in feedback paths |
| Tight voltage tolerance | ±5 % at 5.1 V - balances cost and precision for non-critical reference and clamp functions |
| Ultra-small footprint | DFN1006-2 (1.0 × 0.6 mm) - supports high-density layout in wearables, hearing aids, and IoT edge sensors |
| Extended temperature range | −55 °C to +150 °C operating ambient - suitable for industrial control and automotive under-hood auxiliary circuits |
Applications
| Portable Sensor Biasing | Microcontroller Reset Clamping |
|---|---|
|
Use Scenario: Providing stable 5.1 V reference to analog front-end of BLE temperature/humidity sensor node powered by CR2032. IC Role / Device Role / Timing Role: Zener diode acts as shunt voltage regulator, maintaining ADC reference accuracy despite battery voltage decay from 3.3 V to 2.0 V. Use Value: Enables <1 % full-scale error over battery life without active LDO, reducing BOM count and quiescent current by 85 % vs. linear regulator solution. |
Use Scenario: Clamping reset line of ARM Cortex-M0+ MCU during brown-out events in smart meter auxiliary supply. IC Role / Device Role / Timing Role: Functions as overvoltage protector and threshold limiter on nRST pin, preventing false resets during 12 V rail transients. Use Value: Limits reset pin voltage to ≤5.36 V while drawing <0.5 μA at 3.3 V - avoids internal ESD diode conduction and system lockup. |
| Low-Power Signal Conditioning | IoT Node Power Sequencing |
|
Use Scenario: Biasing op-amp input stage in sub-10 μA photodiode amplifier for optical smoke detector. IC Role / Device Role / Timing Role: Supplies precise 5.1 V virtual ground for single-supply instrumentation amplifier configuration. Use Value: Delivers <20 ppm/°C drift via −2.0 mV/K tempco and maintains 500 Ω dynamic impedance - preserves gain stability across −25 °C to +70 °C. |
Use Scenario: Enabling controlled power-up sequence between RF SoC and secure element in NB-IoT tracker module. IC Role / Device Role / Timing Role: Acts as voltage supervisor trigger element, enabling enable signal only after 5.1 V rail stabilizes within tolerance. Use Value: Provides deterministic turn-on at 4.85 V with <100 ns response - eliminates race conditions without external supervisor IC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C5V1 | Same 5.1 V ±5 % rating but in SOT23 package; higher Ptot = 350 mW; rdiff = 600 Ω at 5 mA | Requires larger board area; better suited for higher-current regulation (>1 mA) and less space-constrained designs | Select when thermal margin >100 mW is needed or existing SOT23 footprint reuse is prioritized |
| MMSZ5231B | 5.1 V ±5 % in SOD-123; Ptot = 500 mW; rdiff = 17 Ω at 20 mA - significantly lower impedance but higher bias current required | Not suitable for sub-100 μA bias; intended for medium-current references where tighter regulation under load matters more than quiescent draw | Choose only if circuit can sustain ≥5 mA Zener current and needs <0.1 % load regulation error |
Compared with BZX8850-C5V1YL, BZX84-C5V1 offers higher power headroom in larger package, while MMSZ5231B trades ultra-low bias capability for superior dynamic regulation-making BZX8850-C5V1YL uniquely optimal for micro-power, space-constrained Zener applications.
Availability
BZX8850-C5V1YL is available at Aetrix Electronics and suitable for portable sensor biasing, microcontroller reset clamping, and low-power signal conditioning requiring stable component supply with guaranteed long-term sourcing.
Supply support for BZX8850-C5V1YL 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 delivering high-performance, reliable discrete, logic, and MOSFET solutions with focus on efficiency and miniaturization.
The BZX8850 series belongs to Nexperia's precision low-current Zener portfolio, engineered specifically for battery-powered and space-constrained regulation where ultra-low test current and DFN scalability are essential.
FAQ
What is the maximum reverse voltage this Zener can withstand before breakdown?
The BZX8850-C5V1YL has a nominal Zener voltage of 5.1 V, with guaranteed breakdown occurring between 4.85 V and 5.36 V at 50 μA test current. It is not rated for sustained reverse voltage above its specified VZ range; operation beyond 5.36 V risks exceeding its 250 mW power limit unless current is strictly limited by external series resistance.
Can this diode be used in forward conduction mode?
Yes - its forward voltage is specified ≤0.9 V at 10 mA, making it usable as a low-drop clamp or level shifter. However, its primary design intent and characterization are for reverse-bias Zener operation; forward characteristics are secondary and not optimized for switching or rectification duty cycles.
How does the "C" grade differ from "B" grade in the BZX8850 series?
The "C" grade (e.g., BZX8850-C5V1YL) has wider tolerance (±5 %) versus "B" grade (±2 %), but features intentional minor leakage current rise per AN90031 to improve switching speed and reduce noise. This makes "C" grade preferable in dynamic feedback or fast transient suppression roles where low IR at low VR is less critical than noise performance.
Is this part suitable for automotive applications?
No - the BZX8850-C5V1YL is not automotive-qualified. It is specified for industrial and consumer use only, with no AEC-Q200 stress testing or automotive-grade reliability data. For automotive environments, Nexperia's Automotive Qualified (AQ) Zener series - such as the BZX84-AQ family - must be selected instead.
BZX8850-C5V1YL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZX8850
- Package/Case:
- SOD-882
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 5.1 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 60 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 3 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006-2
BZX8850-C5V1YL FAQ
1.How can I place an order for BZX8850-C5V1YL through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX8850-C5V1YL 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 BZX8850-C5V1YL reliable?
The price and inventory of BZX8850-C5V1YL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX8850-C5V1YL is usually 5 days.
3.What payment methods are accepted for BZX8850-C5V1YL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX8850-C5V1YL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX8850-C5V1YL?
BZX8850-C5V1YL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX8850-C5V1YL 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 BZX8850-C5V1YL?
For technical support, including BZX8850-C5V1YL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX8850-C5V1YL requirements.
6.How does Aetrix verify that BZX8850-C5V1YL is sourced from the original manufacturer or authorized distributors?
All BZX8850-C5V1YL 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 BZX8850-C5V1YL meets industry standards.
7.What is the process for return or replacement of BZX8850-C5V1YL?
All BZX8850-C5V1YL units undergo pre-shipment inspection (PSI). If there is an issue with BZX8850-C5V1YL, 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 BZX8850-C5V1YL part is unused and in its original packaging.
Return procedure for BZX8850-C5V1YL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX8850-C5V1YL Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
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