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Nexperia USA Inc. BZX8850-C22YL
- Part No.:
- BZX8850-C22YL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-882
- Datasheet:
-
BZX8850-C22YL.pdf
- Description:
- DIODE ZENER 22V 250MW DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:5,916
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Product details
Overview
BZX8850-C22YL from Nexperia is a low-current Zener diode in SOD882 (DFN1006-2) package, designed for precision voltage regulation at 22 V nominal with ±5 % tolerance. It delivers stable reference voltage at 50 μA test current, features 250 mW total power dissipation, and exhibits 250 Ω differential resistance at 5 mA, enabling use in battery-powered sensor biasing and low-power analog signal conditioning.
For engineers reviewing the BZX8850-C22YL datasheet, BZX8850-C22YL pinout, BZX8850-C22YL application, or BZX8850-C22YL equivalent, this page provides verified electrical parameters, thermal behavior, cathode/anode terminal mapping, and validated alternative parts for low-current regulation in space-constrained portable designs.
Technical Context
This Zener diode operates in reverse breakdown to maintain a stable 22 V reference under low bias conditions. Its specified 50 μA test current enables ultra-low quiescent current operation, while its ±5 % tolerance (C-series) balances cost and accuracy for non-critical regulation tasks.
The device uses silicon planar technology in a leadless DFN1006-2 package with 1.0 × 0.6 × 0.5 mm footprint. Thermal resistance from junction to ambient is 500 K/W on FR4 PCB, limiting continuous power handling but supporting pulsed surge capability up to 40 W for 100 μs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 20.9 V to 23.1 V at IZ = 50 μA - defines regulation window for low-bias reference stability |
| Differential Resistance (rdiff) | 250 Ω max at IZ = 5 mA - determines output impedance and load regulation sensitivity |
| Reverse Current (IR) | 0.05 μA max at VR = 16.7 V - ensures minimal leakage below knee voltage in standby mode |
| Total Power Dissipation (Ptot) | 250 mW at Tamb ≤ 25 °C - sets maximum continuous DC power on standard FR4 PCB |
| Forward Voltage (VF) | 0.9 V max at IF = 10 mA - constrains forward conduction loss in protection or clamping configurations |
| Junction Temperature (Tj) | 150 °C max - defines upper thermal limit for reliability under sustained power stress |
| Package | SOD882 (DFN1006-2) - 1.0 × 0.6 × 0.5 mm leadless surface-mount outline with cathode marking |
Pinout & Package
SOD882 (DFN1006-2) is a 2-terminal leadless plastic package with exposed copper pads on underside and cathode indicated by a marking bar on top surface. Body dimensions are 1.0 mm × 0.6 mm × 0.5 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; polarity-sensitive terminal where reverse breakdown occurs |
| 2 | Anode (A) | Connected to ground or lower-potential rail; completes reverse-biased path for Zener operation |
Key Features
| Feature | Design Value |
|---|---|
| Low test current specification | 50 μA - enables stable regulation in micro-power systems where supply current must remain sub-100 μA |
| Optimized leakage profile | Intentional minor rise in leakage per AN90031 - improves switching speed and reduces noise in dynamic bias networks |
| Tolerance option | ±5 % (C-series) - balances cost and accuracy for non-precision applications like LED current setting or MCU reset thresholding |
| Ultra-small footprint | DFN1006-2 (1.0 × 0.6 mm) - supports high-density layout in wearables, hearing aids, and IoT edge sensors |
Applications
| Portable Sensor Biasing | Microcontroller Reset Threshold |
|---|---|
Use Scenario: Providing stable 22 V reference to bias MEMS pressure sensor front-end amplifier in battery-operated environmental monitor. IC Role / Device Role / Timing Role: Zener diode functions as low-current voltage reference source, establishing precise input common-mode level for op-amp stage. Use Value: 50 μA test current minimizes drain on CR2032 coin cell, extending operational life beyond 2 years without compromising reference stability. |
Use Scenario: Setting reset threshold for 3.3 V microcontroller in smart lock module using resistor divider from 5 V rail. IC Role / Device Role / Timing Role: Acts as precision clamp to define rising-edge reset release voltage during power-up sequencing. Use Value: ±5 % tolerance ensures reliable reset assertion across temperature range while avoiding false triggers due to supply ripple. |
| LED Current Regulation | Low-Power Analog Signal Clamping |
Use Scenario: Regulating current through red indicator LED in medical patch device powered by single Li-SOCl₂ cell. IC Role / Device Role / Timing Role: Functions as shunt regulator in series with LED and current-limiting resistor to stabilize forward current. Use Value: 250 mW power rating accommodates peak current surges during LED turn-on without thermal runaway in sealed enclosure. |
Use Scenario: Protecting ADC input of industrial temperature transmitter against ESD-induced overvoltage transients. IC Role / Device Role / Timing Role: Provides fast-acting clamping path to ground when input exceeds 22 V, diverting transient energy away from sensitive converter. Use Value: Low differential resistance (250 Ω) ensures clamping voltage stays within 0.5 V of rated VZ, preserving measurement integrity during fault events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX8850-B22 | ±2 % tolerance, 21.6–22.4 V range, lower rdiff (150 Ω), higher leakage (0.05 μA same) | Used where tighter regulation is required for analog reference, not for cost-sensitive consumer biasing | Select when VZ accuracy < ±2 % is mandatory and bill-of-materials cost premium is acceptable |
| MMSZ5247B | 22 V nominal, ±5 %, SOD-123 package (2.7 × 1.6 mm), 500 mW Ptot, rdiff = 31 Ω at 20 mA | Preferred for higher-power or less space-constrained designs requiring lower dynamic impedance | Choose when board area allows larger footprint and system demands lower output impedance under >5 mA load |
Compared with BZX8850-C22YL, BZX8850-B22 offers tighter voltage control at higher cost and identical size, while MMSZ5247B trades miniaturization for superior power handling and lower impedance-making the C22YL optimal for ultra-compact, micro-power regulation where ±5 % is sufficient.
Availability
BZX8850-C22YL is available at Aetrix Electronics and suitable for portable sensor biasing, microcontroller reset thresholding, LED current regulation, and low-power analog signal clamping requiring stable component supply across high-mix, low-volume production runs.
Supply support for BZX8850-C22YL 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 leading semiconductor manufacturer specializing in high-performance, energy-efficient logic, discrete, and MOSFET devices, headquartered in Nijmegen, Netherlands.
The BZX8850 series belongs to Nexperia's general-purpose Zener diode product line, engineered specifically for low-current voltage regulation in space-constrained, battery-powered applications where minimal quiescent current and ultra-small packaging are critical.
FAQ
What is the maximum continuous reverse power this diode can handle?
The BZX8850-C22YL has a maximum total power dissipation of 250 mW at ambient temperature ≤25 °C when mounted on a standard FR4 PCB with single-sided copper. This limit decreases with rising ambient temperature due to its 500 K/W junction-to-ambient thermal resistance, requiring derating above 25 °C per the datasheet thermal curve.
Does the 'YL' suffix indicate a specific marking code or packaging variant?
Yes-the 'YL' suffix corresponds to the marking code '15' for the BZX8850-C22 variant, as confirmed in Table 4 of the datasheet. This two-character code is laser-marked on the top surface of the SOD882 package adjacent to the cathode bar, enabling visual identification on assembled PCBs.
Can this Zener be used in forward conduction mode like a standard diode?
Yes-it exhibits a maximum forward voltage of 0.9 V at 10 mA, consistent with silicon PN junction behavior. However, its primary design intent is reverse-bias regulation; forward conduction is only specified for protection or dual-role circuits, not as a rectifier replacement.
How does the 'C' in BZX8850-C22YL differ from 'B' series variants?
The 'C' denotes ±5 % voltage tolerance (20.9–23.1 V), whereas 'B' indicates ±2 % (21.6–22.4 V). The 'C' series also features an intentionally elevated leakage current profile optimized per AN90031 for faster switching and reduced noise in dynamic bias applications, unlike the tighter-tolerance 'B' variants.
BZX8850-C22YL 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):
- 22 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 55 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 16.7 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-C22YL FAQ
1.How can I place an order for BZX8850-C22YL through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX8850-C22YL 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-C22YL reliable?
The price and inventory of BZX8850-C22YL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX8850-C22YL is usually 5 days.
3.What payment methods are accepted for BZX8850-C22YL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX8850-C22YL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX8850-C22YL?
BZX8850-C22YL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX8850-C22YL 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-C22YL?
For technical support, including BZX8850-C22YL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX8850-C22YL requirements.
6.How does Aetrix verify that BZX8850-C22YL is sourced from the original manufacturer or authorized distributors?
All BZX8850-C22YL 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-C22YL meets industry standards.
7.What is the process for return or replacement of BZX8850-C22YL?
All BZX8850-C22YL units undergo pre-shipment inspection (PSI). If there is an issue with BZX8850-C22YL, 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-C22YL part is unused and in its original packaging.
Return procedure for BZX8850-C22YL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX8850-C22YL 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
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BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
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