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NXP Semiconductors BZX84-C15/CH/LF1VL
- Part No.:
- BZX84-C15/CH/LF1VL
- Manufacturer:
- NXP Semiconductors
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84-C15/CH/LF1VL.pdf
- Description:
- DIODE ZENER 15V 250MW SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:4,166
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Product details
Overview
BZX84-C15/CH/LF1VL from NXP Semiconductors is a ±5 % tolerance Zener voltage regulator diode in SOT23 (TO-236AB) package, rated for 15 V nominal breakdown voltage at 5 mA, 250 mW total power dissipation, and AEC-Q101 qualified for automotive use. It provides stable reference voltage in low-power supply regulation and overvoltage protection circuits.
For engineers reviewing the BZX84-C15/CH/LF1VL datasheet, BZX84-C15/CH/LF1VL pinout, BZX84-C15/CH/LF1VL application, or BZX84-C15/CH/LF1VL equivalent, this page delivers verified specifications, validated SOT23 terminal mapping, confirmed automotive qualification status, and real-world design context for voltage reference selection in constrained-space PCB layouts.
Technical Context
This device operates as a reverse-biased Zener diode with a nominal 15 V breakdown voltage (VZ) at IZ = 5 mA, differential resistance of 50 Ω (typ), and temperature coefficient of +9.2 mV/K (typ). Its ±5 % tolerance places it in the BZX84-C series, distinguishing it from tighter-tolerance A (±1 %) and B (±2 %) variants.
Designed for surface-mount applications on FR4 PCBs with single-sided copper, it supports non-repetitive peak reverse power dissipation up to 40 W (tp ≤ 100 μs) and junction temperatures from −65 °C to +150 °C. Reverse current remains ≤ 0.05 μA at VR = 11.4 V, ensuring low leakage in precision biasing roles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage (VZ) | 13.8 V to 15.6 V at IZ = 5 mA - defines usable regulation range under standard test conditions |
| Tolerance | Approximately ±5 % - determines worst-case output deviation in open-loop reference designs |
| Total Power Dissipation (Ptot) | 250 mW at Tamb ≤ 25 °C - sets maximum continuous DC power handling on standard FR4 layout |
| Differential Resistance (rdiff) | 50 Ω (typ) at IZ = 5 mA - indicates regulation stiffness; lower values improve load regulation |
| Reverse Current (IR) | ≤ 0.05 μA at VR = 11.4 V - ensures minimal quiescent current in high-impedance bias networks |
| Temperature Coefficient (SZ) | +9.2 mV/K (typ) - quantifies VZ drift per degree Celsius, critical for thermal stability in automotive environments |
| AEC-Q101 Qualified | Yes - confirms suitability for automotive electronic control units without additional qualification effort |
Pinout & Package
Package: SOT23 (TO-236AB), plastic surface-mounted package with 3 leads; dimensions 2.9 mm × 1.3 mm × 1.0 mm (L × W × H), standard footprint per Fig 9 and Fig 10.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Connected to lower-potential node in reverse-bias configuration; must be held at voltage ≤ cathode minus VZ |
| 2 | Not Connected (n.c.) | Internal die pad with no electrical connection; requires no PCB trace or solder mask opening |
| 3 | Cathode (K) | Connected to higher-potential node; reverse current flows from K to A when VK − VA ≥ VZ |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SMT packaging | SOT23 footprint enables high-density routing and automated assembly in space-constrained modules |
| AEC-Q101 qualification | Validated reliability for under-hood and body-control applications without extended stress testing |
| ±5 % voltage tolerance | Cost-optimized regulation accuracy suitable for non-critical biasing and clamping functions |
| Non-repetitive peak power rating | 40 W surge capability (100 μs pulse) supports transient overvoltage suppression in ESD-prone interfaces |
| Low reverse leakage | ≤ 0.05 μA at 76 % of VZ minimizes error in high-impedance voltage divider references |
Applications
| Automotive Sensor Biasing | Industrial Power Supply Clamping |
|---|---|
|
Use Scenario: Providing stable 15 V reference for analog sensor signal conditioning in engine control modules. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to fix reference node voltage against supply ripple. Use Value: Maintains <1 % reference drift across −40 °C to +125 °C ambient due to AEC-Q101 thermal validation and +9.2 mV/K coefficient. |
Use Scenario: Clamping 24 V rail transients in programmable logic controller (PLC) I/O modules. IC Role / Device Role / Timing Role: Shunt regulator absorbing surge energy during inductive load switching events. Use Value: Withstands 40 W non-repetitive pulses (100 μs) without degradation, protecting downstream op-amps and ADCs. |
| Consumer Device Overvoltage Protection | Medical Instrument Voltage Reference |
|
Use Scenario: Safeguarding USB-powered portable diagnostics equipment from 15 V adapter overvoltage faults. IC Role / Device Role / Timing Role: Standby shunt element conducting only during fault conditions above 15.6 V. Use Value: ≤ 0.05 μA leakage at 11.4 V ensures <1 μA standby current draw, extending battery life. |
Use Scenario: Generating precise 15 V bias for photodiode transimpedance amplifiers in optical blood analyzers. IC Role / Device Role / Timing Role: Low-noise voltage reference stabilizing amplifier offset and gain calibration points. Use Value: 50 Ω differential resistance limits output impedance variation under load, improving measurement repeatability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage regulator diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MMBZ5245BS-7-F | 15 V nominal, ±5 %, SOT23, 200 mW Ptot, rdiff = 17 Ω (typ) | Lower power rating reduces thermal margin in sustained 15 mA operation | Select when lower dynamic impedance is prioritized over absolute power headroom |
| Vishay BZX84-C15-E3-08 | 15 V nominal, ±5 %, SOT23, 300 mW Ptot, rdiff = 50 Ω (typ), AEC-Q101 qualified | Higher power rating allows 20 % greater continuous current before thermal derating | Choose for designs requiring extended 250–300 mW operation without heatsinking |
Compared with BZX84-C15/CH/LF1VL, MMBZ5245BS-7-F offers tighter regulation but reduced power margin, while BZX84-C15-E3-08 provides identical regulation performance with enhanced thermal headroom-enabling longer duty-cycle operation in compact enclosures.
Availability
BZX84-C15/CH/LF1VL is available at Aetrix Electronics and suitable for automotive sensor biasing, industrial power supply clamping, consumer device overvoltage protection, and medical instrument voltage reference applications requiring stable component supply and AEC-Q101 compliance.
Supply support for BZX84-C15/CH/LF1VL 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The BZX84 series belongs to NXP's discrete voltage regulator portfolio, designed specifically for cost-sensitive, space-constrained applications requiring reliable Zener reference performance with automotive-grade reliability.
FAQ
What is the nominal Zener voltage and tolerance of BZX84-C15/CH/LF1VL?
The BZX84-C15/CH/LF1VL has a nominal Zener voltage of 15 V with an approximate ±5 % tolerance, meaning its actual breakdown voltage falls between 13.8 V and 15.6 V when tested at 5 mA. This tolerance band is defined in the BZX84-C series and distinguishes it from tighter-tolerance A (±1 %) and B (±2 %) variants within the same family. The value is confirmed in Table 8 of the NXP datasheet Rev. 6.
Is BZX84-C15/CH/LF1VL qualified for automotive applications?
Yes, BZX84-C15/CH/LF1VL is AEC-Q101 qualified per Section 8.1 of the NXP datasheet, confirming its reliability for automotive electronic systems including engine control, body electronics, and ADAS sensors. This qualification covers stress tests for temperature cycling, humidity, and mechanical shock, eliminating the need for additional customer-level qualification.
What is the maximum continuous power dissipation for BZX84-C15/CH/LF1VL?
BZX84-C15/CH/LF1VL has a total power dissipation (Ptot) rating of 250 mW at ambient temperatures ≤ 25 °C when mounted on a standard FR4 PCB with single-sided copper. Derating is required above 25 °C, with thermal resistance from junction to ambient (Rth(j-a)) at 500 K/W in free air. This limit governs safe DC operation in linear regulator or biasing roles.
Does BZX84-C15/CH/LF1VL have a connected pin 2?
No, pin 2 of BZX84-C15/CH/LF1VL is internally not connected (n.c.), as specified in Table 2 "Pinning" of the NXP datasheet. It corresponds to a mechanical die attach pad with no electrical function. PCB layout must avoid routing or soldering to this terminal to prevent unintended shorts or thermal coupling issues.
What is the typical differential resistance of BZX84-C15/CH/LF1VL at 5 mA?
The typical differential resistance (rdiff) of BZX84-C15/CH/LF1VL is 50 Ω at IZ = 5 mA, as listed in Table 8 of the NXP datasheet. This parameter reflects how tightly the device maintains its Zener voltage under small-signal current variations-lower values indicate better regulation linearity and reduced output impedance in reference applications.
BZX84-C15/CH/LF1VL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 15 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 30 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 10.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23 (TO-236AB)
BZX84-C15/CH/LF1VL FAQ
1.How can I place an order for BZX84-C15/CH/LF1VL through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84-C15/CH/LF1VL 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 BZX84-C15/CH/LF1VL reliable?
The price and inventory of BZX84-C15/CH/LF1VL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84-C15/CH/LF1VL is usually 5 days.
3.What payment methods are accepted for BZX84-C15/CH/LF1VL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84-C15/CH/LF1VL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84-C15/CH/LF1VL?
BZX84-C15/CH/LF1VL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84-C15/CH/LF1VL 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 BZX84-C15/CH/LF1VL?
For technical support, including BZX84-C15/CH/LF1VL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84-C15/CH/LF1VL requirements.
6.How does Aetrix verify that BZX84-C15/CH/LF1VL is sourced from the original manufacturer or authorized distributors?
All BZX84-C15/CH/LF1VL 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 BZX84-C15/CH/LF1VL meets industry standards.
7.What is the process for return or replacement of BZX84-C15/CH/LF1VL?
All BZX84-C15/CH/LF1VL units undergo pre-shipment inspection (PSI). If there is an issue with BZX84-C15/CH/LF1VL, 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 BZX84-C15/CH/LF1VL part is unused and in its original packaging.
Return procedure for BZX84-C15/CH/LF1VL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84-C15/CH/LF1VL Tags
-
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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BZX84C3V3LT1G
onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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MMSZ4682T1G
onsemi
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BZT52C15S-7-F
Diodes Incorporated
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MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
Micro Commercial Co
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BZT52C3V6LP-7
Diodes Incorporated
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SMAZ12-13-F
Diodes Incorporated
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