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Nexperia USA Inc. BZX84J-C15,115
- Part No.:
- BZX84J-C15,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-90, SOD-323F
- Datasheet:
-
BZX84J-C15,115.pdf
- Description:
- DIODE ZENER 15V 550MW SOD323F
- Quantity:
- Payment:
- Shipping:
Inventory:18,459
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Product details
Overview
BZX84J-C15,115 from Nexperia is a 15 V ±5 % Zener voltage regulator diode in SOD323F (SC-90) package, rated for 550 mW total power dissipation and 40 W non-repetitive peak reverse power at tp = 100 μs, designed for precision voltage reference and overvoltage protection in automotive and industrial power rails.
For engineers reviewing the BZX84J-C15,115 datasheet, BZX84J-C15,115 pinout, BZX84J-C15,115 application, or BZX84J-C15,115 equivalent, key selection criteria include Zener voltage tolerance (±5 %), differential resistance (≤200 Ω at IZ = 5 mA), AEC-Q101 qualification, thermal resistance (Rth(j-a) = 230 K/W), and SC-90 surface-mount compatibility.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable 15 V regulation across load and line variations, with low differential resistance (≤200 Ω) ensuring minimal voltage drift under dynamic current changes. Its AEC-Q101 qualification confirms robustness for automotive ambient temperature ranges (−55 °C to +150 °C) and transient surge resilience.
The device exhibits a positive temperature coefficient of +9.2 mV/K at IZ = 5 mA, enabling predictable thermal drift compensation in multi-diode references. Its 1.1 V forward voltage at IF = 100 mA supports bidirectional clamping and ESD protection integration alongside regulation functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15 V nominal, ±5 % tolerance - ensures stable reference within ±0.75 V across production lots and temperature. |
| Total Power Dissipation (Ptot) | 550 mW at Tamb ≤ 25 °C - defines maximum continuous DC or average pulsed power on FR4 PCB with 1 cm² cathode pad. |
| Differential Resistance (rdiff) | ≤200 Ω at IZ = 5 mA - limits output impedance-induced voltage shift under ±1 mA load variation. |
| Non-repetitive Peak Reverse Power (PZSM) | 40 W at tp = 100 μs, square wave - supports transient suppression of short-duration surges without degradation. |
| Reverse Current (IR) | ≤0.05 μA at VR = 12 V - guarantees high impedance blocking below knee voltage, minimizing standby leakage. |
| Junction Temperature (Tj) | 150 °C maximum - sets upper thermal limit for reliable operation in enclosed or high-ambient environments. |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including HTOL, TC, HAST, and ESD testing per AEC standard. |
Pinout & Package
SOD323F (SC-90) plastic surface-mounted package: ultra-compact 2.3 mm × 1.35 mm footprint, 0.65 mm height, flat lead terminals optimized for reflow soldering on dense PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (marked side) | Cathode (K) | Connected to regulated output node; marking bar identifies this terminal for correct orientation during placement. |
| 2 | Anode (A) | Connected to ground or lower-potential rail; reverse-biased configuration enables Zener breakdown regulation. |
Key Features
| Feature | Design Value |
|---|---|
| Low differential resistance | ≤200 Ω at IZ = 5 mA - maintains tight regulation under varying load currents in feedback networks. |
| AEC-Q101 qualification | Validated for automotive applications - assures long-term stability under thermal cycling, humidity, and vibration stress. |
| Wide Zener voltage range | 2.4 V to 75 V in E24 steps - enables standardized BOM coverage across diverse supply rail requirements. |
| Small SMD package | SOD323F (SC-90) - saves board space in space-constrained modules like ADAS sensors and body control units. |
| Controlled temperature coefficient | +9.2 mV/K at IZ = 5 mA - allows predictable thermal drift modeling in precision reference designs. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Input Protection |
|---|---|
Use Scenario: Stabilizing 15 V microcontroller supply rail against battery transients and alternator ripple. IC Role / Device Role / Timing Role: Zener shunt regulator providing low-impedance voltage clamp and reference for LDO input stage. Use Value: Maintains MCU operation during load dump events up to 40 W/100 μs while holding voltage within ±0.75 V tolerance. |
Use Scenario: Protecting 24 V digital input channels from field-wiring induced surges and ESD. IC Role / Device Role / Timing Role: Primary overvoltage clamp limiting input voltage to safe levels before signal conditioning circuitry. Use Value: Absorbs 40 W transient energy without failure, preserving downstream optocoupler and logic interface integrity. |
| Medical Sensor Signal Conditioning | Consumer IoT Power Management |
Use Scenario: Generating stable 15 V bias for analog front-end amplifiers in portable diagnostic devices. IC Role / Device Role / Timing Role: Precision voltage reference establishing gain-setting point for instrumentation amplifier stages. Use Value: Delivers <0.5 % regulation error across −40 °C to +85 °C, enabling sub-mV measurement accuracy. |
Use Scenario: Regulating auxiliary 15 V rail for Wi-Fi/BLE module power sequencing in smart home hubs. IC Role / Device Role / Timing Role: Low-power shunt regulator maintaining clean supply during RF transmit bursts. Use Value: Draws only 0.05 μA leakage at 12 V, extending battery life while delivering 550 mW headroom for peak loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MMBZ5245B | 15 V ±5 %, 500 mW Ptot, SOT-23 package - higher Rth(j-a) (350 K/W), no AEC-Q101 rating. | Not qualified for automotive use; suitable only for commercial-grade consumer electronics. | Select when cost sensitivity outweighs automotive qualification and thermal performance requirements. |
| Vishay BZX84-C15-TP | 15 V ±5 %, 350 mW Ptot, SOD-323 package - 36 % lower power rating, identical pinout and marking. | Limited to lower-power applications where 550 mW headroom is unnecessary. | Choose for legacy compatibility where existing layout accommodates same footprint but lower surge margin is acceptable. |
Compared with BZX84J-C15,115, MMBZ5245B trades AEC-Q101 compliance and thermal efficiency for broader distributor availability, while BZX84-C15-TP reduces surge capability by 36 % to meet cost targets - both require reassessment of PZSM and Rth(j-a) margins in automotive or high-reliability designs.
Availability
BZX84J-C15,115 is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC input protection circuits, and medical sensor signal conditioning requiring stable component supply with full traceability and lifecycle continuity.
Supply support for BZX84J-C15,115 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 essential efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.
The BZX84J series belongs to Nexperia's AEC-Q101-qualified Zener diode product line, engineered specifically for robust voltage regulation and transient protection in harsh-environment automotive and industrial power systems.
FAQ
What is the maximum continuous reverse current the BZX84J-C15,115 can sustain without degradation?
The device has no specified maximum continuous reverse current; its steady-state operation is defined by power dissipation limits. At 15 V Zener voltage, the absolute maximum continuous Zener current is 36.7 mA (550 mW ÷ 15 V), assuming Tamb ≤ 25 °C and proper PCB thermal relief. Exceeding this risks junction overheating beyond 150 °C.
Does the BZX84J-C15,115 support bidirectional ESD protection?
No - it is a unidirectional Zener diode optimized for reverse-bias regulation. While forward conduction occurs at ~1.1 V, its VF is not characterized for ESD clamping duty. For bidirectional protection, pair with a series resistor and complementary diode or use a dedicated TVS array such as Nexperia PESD5V0S1BA.
How does the ±5 % tolerance affect regulation accuracy in a 15 V reference design?
The ±5 % tolerance means the actual Zener voltage falls between 14.25 V and 15.75 V at IZ = 5 mA and Tj = 25 °C. In closed-loop systems, this introduces initial offset error; for tighter accuracy, post-calibration or trimming is required, or select the ±2 % BZX84J-B15 variant if available.
Can the BZX84J-C15,115 be used in parallel for higher power handling?
No - Zener diodes exhibit negative temperature coefficients below ~5 V and positive above, causing current hogging and thermal runaway when paralleled. For higher power, use a single higher-rated device (e.g., BZX85C15 in DO-41) or implement active regulation with a pass transistor.
BZX84J-C15,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-90, SOD-323F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 15 V
- Tolerance:
- ±5%
- Power - Max:
- 550 mW
- Impedance (Max) (Zzt):
- 15 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 10.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323F
BZX84J-C15,115 FAQ
1.How can I place an order for BZX84J-C15,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84J-C15,115 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 BZX84J-C15,115 reliable?
The price and inventory of BZX84J-C15,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84J-C15,115 is usually 5 days.
3.What payment methods are accepted for BZX84J-C15,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84J-C15,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84J-C15,115?
BZX84J-C15,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84J-C15,115 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 BZX84J-C15,115?
For technical support, including BZX84J-C15,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84J-C15,115 requirements.
6.How does Aetrix verify that BZX84J-C15,115 is sourced from the original manufacturer or authorized distributors?
All BZX84J-C15,115 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 BZX84J-C15,115 meets industry standards.
7.What is the process for return or replacement of BZX84J-C15,115?
All BZX84J-C15,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZX84J-C15,115, 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 BZX84J-C15,115 part is unused and in its original packaging.
Return procedure for BZX84J-C15,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84J-C15,115 Tags
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