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Taiwan Semiconductor Corporation BZX84C15 RFG
- Part No.:
- BZX84C15 RFG
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84C15 RFG.pdf
- Description:
- DIODE ZENER 15V 300MW SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:4,995
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Product details
Overview
BZX84C15 RFG from Taiwan Semiconductor is a surface-mount Zener diode engineered for precision voltage regulation and reference applications, with a nominal Zener voltage of 15 V (min 13.8 V, max 15.6 V), 300 mW power dissipation, 30 Ω dynamic impedance at 5 mA test current, and ±0.1 µA leakage current at 10.5 V - deployed in on-board DC/DC converters and low-voltage stabilizers.
For engineers reviewing the BZX84C15 RFG datasheet, BZX84C15 RFG pinout, BZX84C15 RFG application, or BZX84C15 RFG equivalent, key selection criteria include Zener voltage tolerance, thermal derating behavior, SOT-23 package compatibility, junction temperature range (–65°C to +150°C), and halogen-free compliance per IEC 61249-2-21.
Technical Context
This device operates as a single-die, silicon planar Zener diode optimized for stable reverse-bias breakdown under controlled current conditions. It delivers regulated output voltage across a 13.8–15.6 V range at 5 mA test current, with 30 Ω Zener impedance (ZZT) and 200 Ω knee impedance (ZZK) at 1 mA.
Thermal performance is defined by a junction-to-ambient thermal resistance of 417°C/W and full operational capability from –65°C to +150°C. The device meets JESD201 Class 1A whisker resistance and J-STD-020 moisture sensitivity Level 1, supporting lead-free reflow assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15 V nominal; min 13.8 V / max 15.6 V at IZT = 5 mA - defines tight regulation window for reference stability |
| Power Dissipation (PD) | 300 mW at TA = 25°C - sets maximum continuous power handling before thermal derating applies |
| Zener Impedance (ZZT) | 30 Ω at IZT = 5 mA - indicates low dynamic resistance for minimal output voltage variation under load changes |
| Leakage Current (IR) | ≤0.1 µA at VR = 10.5 V - ensures negligible standby current in high-impedance bias networks |
| Junction Temperature (TJ) | –65°C to +150°C - supports operation in automotive under-hood and industrial ambient environments |
| Package | SOT-23 - enables automated pick-and-place assembly and compact PCB layout in space-constrained designs |
| Halogen-Free | Compliant per IEC 61249-2-21 - satisfies environmental requirements for RoHS-compliant end products |
Pinout & Package
Package: SOT-23 - three-terminal surface-mount plastic package with matte tin-plated leads, UL 94V-0 rated molding compound, and approximate weight of 8 mg.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward conduction terminal / cathode reference ground path | Connected to circuit ground or lower potential node when used in reverse-bias regulation configuration |
| Cathode (Pin 2) | Zener breakdown terminal / regulated output node | Provides stable voltage reference point; connected to load or feedback network in shunt regulator topologies |
| Collector / Dummy (Pin 3) | Internally connected to cathode in single-die SOT-23 Zener configuration | Electrically redundant pin; must be routed to same net as Pin 2 for mechanical stability and thermal relief |
Key Features
| Feature | Design Value |
|---|---|
| Moisture Sensitivity Level 1 | Enables standard SMT reflow without baking preconditioning per J-STD-020 |
| Low Zener Impedance (30 Ω) | Minimizes output voltage deviation during transient load shifts in reference circuits |
| Halogen-Free Construction | Meets IEC 61249-2-21 for environmentally compliant manufacturing and disposal |
| Wide Operating Temperature Range | Supports reliable function from –65°C to +150°C without derating in most industrial use cases |
| Matte Tin Plated Leads | Ensures solderability and intermetallic bond integrity per J-STD-002 |
Applications
| On-Board DC/DC Converter Reference | Low-Voltage Stabilizer |
|---|---|
Use Scenario: Providing precise feedback voltage to PWM controller ICs in buck converter designs operating at 3.3 V or 5 V output. IC Role / Device Role / Timing Role: Shunt voltage reference establishing stable error amplifier input threshold. Use Value: Tight 13.8–15.6 V Zener tolerance ensures consistent regulation setpoint across temperature and production lots. |
Use Scenario: Maintaining constant supply rail for microcontroller I/O buffers in battery-powered sensor nodes. IC Role / Device Role / Timing Role: Passive voltage clamp limiting input voltage swing to protect downstream logic inputs. Use Value: ≤0.1 µA leakage at 10.5 V minimizes quiescent current drain in always-on monitoring circuits. |
| Lighting Application | Adapter Circuit Protection |
Use Scenario: Overvoltage protection and bias stabilization in LED driver IC feedback loops for architectural lighting modules. IC Role / Device Role / Timing Role: Zener clamping element absorbing transient surges while maintaining reference accuracy. Use Value: 300 mW power rating allows sustained energy absorption during line transients without thermal runaway. |
Use Scenario: Input voltage regulation in wall-mounted AC/DC adapters powering consumer electronics. IC Role / Device Role / Timing Role: Primary-side shunt regulator setting output voltage via optocoupler feedback path. Use Value: SOT-23 footprint enables compact placement near transformer secondary windings with minimal trace inductance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5245B-7-F (Diodes Inc.) | 15 V nominal, 200 mW PD, 30 Ω ZZT, SOT-23 package - lower power rating but identical Zener voltage range and impedance | Not rated for >125°C ambient; unsuitable for under-hood automotive use where BZX84C15 RFG's 150°C TJ is critical | Select when board-level thermal management limits junction temperature rise below 125°C and cost optimization is prioritized |
| 1N4744A (ON Semiconductor) | 15 V nominal, 1 W PD, 16 Ω ZZT, DO-41 through-hole package - higher power and lower impedance but incompatible footprint | Requires PCB redesign for through-hole mounting; not suitable for high-density SMT layouts where BZX84C15 RFG's SOT-23 is mandatory | Select only when higher power dissipation (>300 mW) is required and manual or wave soldering processes are available |
Compared with MMBZ5245B-7-F and 1N4744A, BZX84C15 RFG uniquely balances SOT-23 mountability, 300 mW power handling, 150°C junction rating, and halogen-free compliance - making it optimal for space-constrained, thermally demanding, and environmentally regulated industrial DC/DC designs.
Availability
BZX84C15 RFG is available at Aetrix Electronics and suitable for on-board DC/DC converters, low-voltage stabilizers, and lighting applications requiring stable component supply, consistent Zener voltage tolerance, and halogen-free material compliance.
Supply support for BZX84C15 RFG 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
Taiwan Semiconductor Company (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, analog ICs, and ESD protection components for industrial and consumer markets.
The BZX84C15 RFG belongs to TSC's BZX84C series of surface-mount Zener diodes, designed specifically for high-reliability voltage reference and stabilization in automated SMT production environments.
FAQ
What is the Zener voltage tolerance of BZX84C15 RFG at 5 mA test current?
The BZX84C15 RFG has a Zener voltage range of 13.8 V minimum to 15.6 V maximum at IZT = 5 mA, yielding a ±1.2 V (±8%) tolerance band around the nominal 15 V rating. This specification is verified per Taiwan Semiconductor's F2001 datasheet revision and applies under standard test conditions (TA = 25°C, pulse width = 300 µs).
Does BZX84C15 RFG support lead-free reflow soldering?
Yes, BZX84C15 RFG supports lead-free reflow soldering. Its matte tin-plated leads comply with J-STD-002 for solderability, and its moisture sensitivity level is rated at Level 1 per J-STD-020 - meaning no baking is required prior to standard Pb-free reflow profiles. The device also passes JESD201 Class 1A whisker testing.
What is the maximum allowable junction temperature for BZX84C15 RFG?
The maximum junction temperature (TJ) for BZX84C15 RFG is +150°C, with a minimum of –65°C. This full –65°C to +150°C operating range is specified in the Absolute Maximum Ratings table and enables deployment in extended-temperature industrial and automotive under-hood applications where thermal margins are critical.
How does the Zener impedance of BZX84C15 RFG affect regulation accuracy?
The BZX84C15 RFG exhibits 30 Ω Zener impedance (ZZT) at 5 mA test current, directly influencing output voltage variation under changing load conditions. For example, a 1 mA change in Zener current results in ~30 mV shift in regulated voltage - enabling predictable error budgeting in precision reference designs where stability under dynamic current demand is essential.
Is BZX84C15 RFG halogen-free and RoHS compliant?
Yes, BZX84C15 RFG is both halogen-free per IEC 61249-2-21 and RoHS compliant. The "G" suffix in the ordering code explicitly denotes green compound packaging, and Taiwan Semiconductor confirms full compliance with EU Directive 2011/65/EU and related substance restrictions in its official documentation.
BZX84C15 RFG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- 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:
- 300 mW
- Impedance (Max) (Zzt):
- 30 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 10.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23
BZX84C15 RFG FAQ
1.How can I place an order for BZX84C15 RFG through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84C15 RFG 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 BZX84C15 RFG reliable?
The price and inventory of BZX84C15 RFG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84C15 RFG is usually 5 days.
3.What payment methods are accepted for BZX84C15 RFG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C15 RFG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84C15 RFG?
BZX84C15 RFG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84C15 RFG 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 BZX84C15 RFG?
For technical support, including BZX84C15 RFG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C15 RFG requirements.
6.How does Aetrix verify that BZX84C15 RFG is sourced from the original manufacturer or authorized distributors?
All BZX84C15 RFG 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 BZX84C15 RFG meets industry standards.
7.What is the process for return or replacement of BZX84C15 RFG?
All BZX84C15 RFG units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C15 RFG, 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 BZX84C15 RFG part is unused and in its original packaging.
Return procedure for BZX84C15 RFG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84C15 RFG Tags
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MMBZ5240B-7-F
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
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BZT52C15-7-F
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BZX84C3V3LT1G
onsemi
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MMSZ5245BS-7-F
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MMSZ4682T1G
onsemi
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BZT52C15S-7-F
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MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
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