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onsemi SZBZX84C6V8LT1
- Part No.:
- SZBZX84C6V8LT1
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
SZBZX84C6V8LT1.pdf
- Description:
- DIODE ZENER 6.8V 225MW SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
SZBZX84C6V8LT1 from onsemi is a 6.8 V ±5% Zener diode in SOT-23 package, rated for 250 mW power dissipation at 25°C, with 15 Ω dynamic impedance at 5 mA test current and 2 µA reverse leakage at 5 V, used for voltage regulation in space-constrained portable electronics.
For engineers reviewing the SZBZX84C6V8LT1 datasheet, pinout, applications, or equivalent options, key selection criteria include Zener voltage tolerance (±5%), thermal resistance (500 °C/W), ESD rating (>16 kV HBM), and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This device operates as a two-terminal voltage reference, clamping reverse voltage at nominal 6.8 V with temperature coefficient of +1.2 mV/°C. It exhibits low dynamic impedance (15 Ω @ 5 mA) and tight voltage distribution across production lots due to standard-tolerance Zener construction.
The SOT-23 package enables high-density PCB placement and automated assembly, while its Pb-free, RoHS-compliant construction meets automotive and industrial environmental requirements. The cathode is marked by a band on terminal 3, with terminal 2 internally unconnected.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage | 6.4–7.2 V @ 5 mA - defines stable regulation range under typical bias |
| Power Dissipation | 250 mW @ 25°C on FR-5 board - sets maximum continuous power handling before derating |
| Zener Impedance | 15 Ω @ 5 mA - determines output voltage stability under load transients |
| Reverse Leakage | 2 µA @ 5 V - ensures minimal quiescent current in standby regulation circuits |
| Temperature Coefficient | +1.2 mV/°C @ 5 mA - quantifies voltage drift over operating temperature range |
| Capacitance | 155 pF @ 0 V, 1 MHz - impacts high-frequency noise filtering capability |
| ESD Rating | Class 3 (>16 kV HBM) - supports robust handling in manual and automated assembly |
Pinout & Package
SOT-23 (Case 318-08) surface-mount plastic package with void-free thermosetting molding, corrosion-resistant finish, and UL 94 V-0 flammability rating. Maximum soldering temperature: 260°C for 10 seconds. Polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode | Forward-biased input terminal; connects to lower-potential node in regulation path |
| 2 | No Connection | Internally unconnected; no PCB trace or pad required |
| 3 | Cathode | Zener breakdown output terminal; marked by polarity band; connects to regulated rail |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 Qualified | Validated for automotive applications including engine control and body electronics |
| 250 mW Power Rating | Enables compact voltage clamping without heatsinking in low-power circuits |
| Tight Thermal Resistance | 500 °C/W junction-to-ambient allows operation up to +150°C junction temperature |
| Pb-Free & RoHS Compliant | Meets global environmental compliance requirements for industrial and consumer products |
| ESD Robustness | Withstands >16 kV human-body-model discharge without parameter shift or failure |
Applications
| Cellular Phone Power Management | Automotive Body Control Module |
|---|---|
Use Scenario: Regulating reference voltage for battery fuel gauge ICs and PMIC monitoring circuits. IC Role / Device Role / Timing Role: Zener voltage reference providing stable 6.8 V bias for ADC reference inputs and comparator thresholds. Use Value: Maintains measurement accuracy across −40°C to +85°C ambient with <±10 mV total drift. | Use Scenario: Overvoltage protection and voltage clamping in LIN bus interface power rails. IC Role / Device Role / Timing Role: Clamp diode limiting transient spikes on 12 V supply lines feeding microcontroller I/O buffers. Use Value: Absorbs 250 mW surges without degradation, supporting ISO 7637-2 Pulse 1/2a immunity compliance. |
| Handheld Medical Monitor | Industrial PLC Input Conditioning |
Use Scenario: Providing precision bias for analog front-end op-amps measuring biopotential signals. IC Role / Device Role / Timing Role: Low-noise voltage reference stabilizing gain-setting networks in instrumentation amplifiers. Use Value: 155 pF capacitance minimizes high-frequency coupling into sensitive analog signal paths. | Use Scenario: Level-shifting and protection for 24 V digital input channels interfacing field sensors. IC Role / Device Role / Timing Role: Shunt regulator establishing 6.8 V logic-compatible threshold for optocoupler input stages. Use Value: 2 µA leakage ensures negligible loading on high-impedance sensor outputs during idle state. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84C6V8LT1G | Same electrical specs but non-automotive grade; lacks AEC-Q101 qualification and SZ-prefix process controls | Approved for commercial/industrial use only; not validated for automotive temperature cycling or PPAP | Select when cost sensitivity outweighs automotive qualification requirements |
| SZBZX84B6V8LT1G | Tighter 2% Zener tolerance (6.66–6.94 V), same package and power rating | Used where reference accuracy dominates over cost; higher test sorting cost increases unit price | Choose when system-level calibration budget requires sub-100 mV absolute voltage error |
Compared with BZX84C6V8LT1G, SZBZX84C6V8LT1 offers automotive qualification and enhanced process traceability; compared with SZBZX84B6V8LT1G, it trades tighter tolerance for lower cost and broader availability in standard-tolerance applications.
Availability
SZBZX84C6V8LT1 is available at Aetrix Electronics and suitable for cellular phone power management, automotive body control modules, and handheld medical monitors requiring stable component supply with full AEC-Q101 documentation and traceable sourcing.
Supply support for SZBZX84C6V8LT1 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power management, analog, sensing, and connectivity solutions for automotive, industrial, and consumer markets.
SZBZX84CxxxLT1G series belongs to onsemi's automotive-qualified Zener regulator product line, designed specifically for voltage reference and overvoltage protection in harsh-environment electronic control units.
FAQ
What is the Zener voltage tolerance of SZBZX84C6V8LT1?
The SZBZX84C6V8LT1 has a nominal Zener voltage of 6.8 V with a tolerance of ±5%, resulting in a guaranteed range of 6.4 V to 7.2 V at 5 mA test current. This standard tolerance is specified per the BZX84CxxxLT1 series definition in the official onsemi datasheet Rev. 21, and applies across the full operating temperature range of −65°C to +150°C.
Is SZBZX84C6V8LT1 qualified for automotive applications?
Yes, SZBZX84C6V8LT1 is AEC-Q101 qualified and PPAP capable, as explicitly stated in the "Features" section of the onsemi datasheet. The "SZ" prefix denotes automotive and other applications requiring unique site and control change requirements, and the device meets all stress test requirements including temperature cycling, humidity bias, and mechanical shock per AEC-Q101 standards.
What is the pin configuration of SZBZX84C6V8LT1?
SZBZX84C6V8LT1 uses the SOT-23 package with pinout: Pin 1 = Anode, Pin 2 = No Connection (internally unconnected), Pin 3 = Cathode (marked by polarity band). This configuration is confirmed in the "Electrical Characteristics" table on page 3 of the datasheet and illustrated in the "Marking Diagram" on page 1.
What is the maximum power dissipation of SZBZX84C6V8LT1 on FR-5 board?
The maximum power dissipation of SZBZX84C6V8LT1 is 250 mW at 25°C ambient temperature on FR-5 board, with derating of 2.0 mW/°C above 25°C. This value is specified in the "Maximum Ratings" table on page 2 of the onsemi datasheet and defines the safe continuous DC power limit before thermal shutdown or parameter drift occurs.
Does SZBZX84C6V8LT1 have RoHS and Pb-free compliance?
Yes, SZBZX84C6V8LT1 is Pb-free and RoHS compliant, as confirmed in the "Features" section ("These Devices are Pb−Free and are RoHS Compliant") and ordering information table. The "G" suffix in the part number denotes Pb-free packaging, and the device meets EU Directive 2011/65/EU requirements without exemptions.
SZBZX84C6V8LT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.8 V
- Tolerance:
- ±6%
- Power - Max:
- 225 mW
- Impedance (Max) (Zzt):
- 15 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 2 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3 (TO-236)
SZBZX84C6V8LT1 FAQ
1.How can I place an order for SZBZX84C6V8LT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SZBZX84C6V8LT1 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 SZBZX84C6V8LT1 reliable?
The price and inventory of SZBZX84C6V8LT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SZBZX84C6V8LT1 is usually 5 days.
3.What payment methods are accepted for SZBZX84C6V8LT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SZBZX84C6V8LT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SZBZX84C6V8LT1?
SZBZX84C6V8LT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SZBZX84C6V8LT1 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 SZBZX84C6V8LT1?
For technical support, including SZBZX84C6V8LT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SZBZX84C6V8LT1 requirements.
6.How does Aetrix verify that SZBZX84C6V8LT1 is sourced from the original manufacturer or authorized distributors?
All SZBZX84C6V8LT1 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 SZBZX84C6V8LT1 meets industry standards.
7.What is the process for return or replacement of SZBZX84C6V8LT1?
All SZBZX84C6V8LT1 units undergo pre-shipment inspection (PSI). If there is an issue with SZBZX84C6V8LT1, 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 SZBZX84C6V8LT1 part is unused and in its original packaging.
Return procedure for SZBZX84C6V8LT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SZBZX84C6V8LT1 Tags
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MMBZ5240B-7-F
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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BZX84C3V3LT1G
onsemi
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Diodes Incorporated
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onsemi
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MM5Z5V1ST1G
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Micro Commercial Co
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Diodes Incorporated
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SMAZ12-13-F
Diodes Incorporated
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