Nexperia USA Inc. BZX884D-C12YL
- Part No.:
- BZX884D-C12YL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-882
- Datasheet:
-
BZX884D-C12YL.pdf
- Description:
- DIODE ZENER 12V 250MW DFN1006D-2
- Quantity:
- Payment:

- Shipping:

Inventory:98,950
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Product details
Overview
BZX884D-C12YL from Nexperia is a general-purpose Zener diode with a nominal 12 V regulation voltage (±5% tolerance), 250 mW power dissipation at 25 °C, 200 mA forward current rating, and AEC-Q101 qualification for automotive-adjacent reliability. It operates as a precision voltage reference or overvoltage clamp in low-power analog signal conditioning and ESD protection circuits.
For engineers reviewing the BZX884D-C12YL datasheet, BZX884D-C12YL pinout, BZX884D-C12YL application, or BZX884D-C12YL equivalent, key selection criteria include its SOD882D ultra-thin (0.37 mm height) leadless package, 100 nA reverse leakage at 8 V, 25 Ω typical dynamic impedance at 5 mA, and cathode-marked polarity for unambiguous PCB layout in space-constrained mobile and portable electronics.
Technical Context
This Zener diode functions via controlled reverse-breakdown conduction to maintain stable DC voltage across its terminals under varying load or supply conditions. Its 12 V nominal Zener voltage is specified at 5 mA test current, with ±5% tolerance and a positive temperature coefficient of +7.9 mV/K - enabling predictable drift compensation in temperature-sensitive references.
The device exhibits low parasitic capacitance (105 pF at 1 MHz, 0 V bias) and fast ESD response due to its ultra-small SOD882D footprint and optimized junction design. Its 150 °C maximum junction temperature and AEC-Q101 qualification support operation in thermally demanding environments without derating below ambient extremes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 12 V nominal, 11.4–12.6 V range at IZ = 5 mA - defines precise clamping threshold for voltage regulation |
| Power Dissipation (Ptot) | 250 mW at Tamb = 25 °C - sets maximum continuous thermal load on PCB with standard FR4 mounting |
| Dynamic Impedance (rdiff) | 25 Ω typical at IZ = 1 mA - determines output voltage stability under small-signal load variations |
| Reverse Leakage (IR) | ≤100 nA at VR = 8 V - ensures minimal quiescent current draw in standby or high-impedance bias networks |
| Forward Voltage (VF) | ≤0.9 V at IF = 10 mA - enables use as low-drop rectifier or logic-level clamp in bidirectional protection schemes |
| Thermal Resistance (Rth(j-a)) | 500 K/W in free air - informs thermal design margin when ambient exceeds 70 °C or airflow is restricted |
Pinout & Package
Encapsulated in the SOD882D leadless ultra-small plastic package (1.0 × 0.6 × 0.4 mm body, 0.37 mm typical height), the BZX884D-C12YL features two solderable side pads with visible cathode marking bar.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (marked side) | Cathode (K) | Connected to regulated output node; polarity marker ensures correct orientation during automated placement |
| 2 (unmarked side) | Anode (A) | Connected to ground or lower-potential rail; forms reverse-biased junction for Zener operation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for stress testing per automotive reliability standards - supports deployment in industrial and consumer applications requiring extended lifetime and thermal robustness |
| SOD882D ultra-thin package | 0.37 mm typical height - enables integration into ultra-thin mobile devices (e.g., digital cameras, PDAs) where board thickness is constrained |
| Low dynamic impedance | 25 Ω typical at 1 mA - minimizes output voltage deviation under dynamic load transients in feedback or reference circuits |
| High-frequency ESD capability | 105 pF junction capacitance at 1 MHz, 0 V - preserves signal integrity in RF front-end biasing and high-speed data line protection |
Applications
| Mobile Power Rail Clamping | Digital Camera Bias Reference |
|---|---|
Use Scenario: Stabilizing 12 V supply rails in compact handheld devices subject to battery voltage ripple and transient spikes. IC Role / Device Role / Timing Role: Zener voltage clamp placed between rail and ground to limit overshoot and protect downstream LDOs or sensors. Use Value: 12 V ±5% regulation with ≤100 nA leakage ensures minimal impact on battery life while maintaining tight voltage control. |
Use Scenario: Providing stable bias voltage for CCD/CMOS sensor analog front-ends in low-light imaging modules. IC Role / Device Role / Timing Role: Precision DC reference source for ADC reference buffers and pixel amplifier bias networks. Use Value: 25 Ω dynamic impedance and +7.9 mV/K temperature coefficient allow predictable drift compensation in thermal calibration routines. |
| PCMCIA Card ESD Protection | PDAs Signal-Level Shifting |
Use Scenario: Protecting 12 V auxiliary interface lines in PCMCIA cards against electrostatic discharge events during hot-plug insertion. IC Role / Device Role / Timing Role: Ultra-fast clamping diode shunting ESD energy to ground before it reaches sensitive controller I/O pins. Use Value: 105 pF capacitance and sub-ns response enable effective protection without distorting high-speed parallel bus signals. |
Use Scenario: Level-shifting 3.3 V logic outputs to 12 V-compatible inputs in PDA peripheral expansion interfaces. IC Role / Device Role / Timing Role: Bidirectional clamp configured with series resistor to limit current during voltage translation. Use Value: 0.9 V forward drop and 200 mA surge rating support reliable operation during repeated level-shift transitions without thermal degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C12 | Same 12 V Zener voltage but in larger SOT23 package (1.3 mm height); 350 mW Ptot; no AEC-Q101 qualification | Higher power handling but unsuitable for ultra-thin designs; lacks automotive-grade reliability validation | Select when board space allows greater height and higher continuous power is required without AEC-Q101 compliance |
| MMSZ5242B | 12 V Zener in SOD-123 package; 500 mW Ptot; 30 Ω rdiff; no AEC-Q101 | Higher power and larger footprint; slightly higher dynamic impedance reduces regulation precision | Choose for cost-sensitive industrial applications where thermal margin exceeds 250 mW and AEC-Q101 is not mandated |
Compared with BZX84-C12 and MMSZ5242B, the BZX884D-C12YL delivers superior board-area efficiency and automotive-grade reliability in a 0.37 mm profile, trading off absolute power headroom for precision, thinness, and qualification - making it optimal for next-generation portable electronics where volume and lifetime are critical.
Availability
BZX884D-C12YL is available at Aetrix Electronics and suitable for mobile communication systems, digital camera modules, and PCMCIA card interfaces requiring stable component supply with consistent parametric performance across production lots.
Supply support for BZX884D-C12YL 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 discrete and logic devices, with leadership in advanced packaging and automotive-qualified components.
The BZX884D-C12YL belongs to Nexperia's Zener diode portfolio designed specifically for space-constrained, high-reliability applications in portable electronics and interface protection - emphasizing ultra-small form factor, low leakage, and AEC-Q101 compliance.
FAQ
What is the maximum reverse voltage the BZX884D-C12YL can withstand before breakdown?
The BZX884D-C12YL has a nominal Zener voltage of 12 V with ±5% tolerance, meaning breakdown occurs between 11.4 V and 12.6 V at 5 mA test current. Its absolute maximum reverse voltage is not rated separately - operation above 12.6 V risks exceeding its 250 mW power limit unless current is strictly limited by external series resistance.
Is the SOD882D package compatible with standard reflow soldering profiles?
Yes - the SOD882D package is qualified for reflow soldering only, with recommended footprint dimensions published in Figure 5 of the datasheet (1.3 mm pad length, 0.6 mm pad width, 0.7 mm center-to-center spacing). Its leadless construction requires precise stencil design and nitrogen-assisted reflow to ensure void-free solder joints on side pads.
How does the +7.9 mV/K temperature coefficient affect circuit performance?
The positive temperature coefficient means the Zener voltage increases by approximately 7.9 mV per degree Celsius rise in junction temperature. In precision references, this drift must be compensated via circuit topology (e.g., combining with negative-TC components) or calibrated out in firmware - especially critical in digital camera sensor bias networks operating across −25 °C to +85 °C.
Can the BZX884D-C12YL replace a standard 1N4742A in existing designs?
No - the 1N4742A is a 12 V, 1 W through-hole Zener in DO-41 package, while the BZX884D-C12YL is a 12 V, 250 mW surface-mount device in SOD882D. Direct replacement requires redesigning the PCB footprint, verifying thermal dissipation under same load, and confirming that 250 mW suffices for the application's peak power demand.
BZX884D-C12YL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SOD-882
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 12 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 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, Wettable Flank
- Supplier Device Package:
- DFN1006D-2
BZX884D-C12YL FAQ
1.How can I place an order for BZX884D-C12YL through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX884D-C12YL 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 BZX884D-C12YL reliable?
The price and inventory of BZX884D-C12YL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX884D-C12YL is usually 5 days.
3.What payment methods are accepted for BZX884D-C12YL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX884D-C12YL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX884D-C12YL?
BZX884D-C12YL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX884D-C12YL 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 BZX884D-C12YL?
For technical support, including BZX884D-C12YL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX884D-C12YL requirements.
6.How does Aetrix verify that BZX884D-C12YL is sourced from the original manufacturer or authorized distributors?
All BZX884D-C12YL 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 BZX884D-C12YL meets industry standards.
7.What is the process for return or replacement of BZX884D-C12YL?
All BZX884D-C12YL units undergo pre-shipment inspection (PSI). If there is an issue with BZX884D-C12YL, 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 BZX884D-C12YL part is unused and in its original packaging.
Return procedure for BZX884D-C12YL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX884D-C12YL Tags

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