My Inquiry
My Account
Diodes Incorporated AZ23C47-7
- Part No.:
- AZ23C47-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Zener Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
AZ23C47-7.pdf
- Description:
- DIODE ZENER ARRAY 47V SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:5,925
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AZ23C47-7 from Diodes Incorporated is a dual 300mW surface-mount Zener diode in common-anode configuration with nominal Zener voltage 47V (44–50V range), maximum Zener impedance 750Ω at 1mA, and temperature coefficient +0.110%/°C - used for precision voltage reference and overvoltage protection in power supply feedback loops.
For engineers reviewing the AZ23C47-7 datasheet, AZ23C47-7 pinout, AZ23C47-7 application, or AZ23C47-7 equivalent, key selection criteria include dual-Zener matching (ΔVZ ≤ 5%), SOT23 package thermal resistance (417°C/W), JEDEC-qualified reliability, and automotive-grade availability via Q-suffix variants.
Technical Context
This dual Zener operates in common-anode topology, enabling independent regulation of two voltage rails from a shared anode node. Each cathode provides stable breakdown at 44–50V with 1mA test current and exhibits low dynamic impedance (750Ω) and positive temperature coefficient (+0.110%/°C).
It is rated for 300mW total power dissipation on FR-4 PCB with recommended pad layout, supports operating temperatures from –65°C to +150°C, and meets AEC-Q101 (HBM 8kV, MM 400V) and IEC 61000-4-2 (air 15kV, contact 8kV) ESD requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage Range | 44 V to 50 V at IZT = 1 mA - defines usable regulation window under standard test conditions |
| Max Zener Impedance | 750 Ω at IZK = 1 mA - determines output voltage stability under light-load transients |
| Power Dissipation | 300 mW - sets maximum continuous power handling on standard FR-4 board |
| Temp Coefficient | +0.110 %/°C - quantifies voltage drift magnitude per degree Celsius change |
| Reverse Voltage | 35 V @ IR = 0.1 µA - specifies minimum blocking voltage before leakage rises significantly |
| Thermal Resistance | 417 °C/W junction-to-ambient - defines temperature rise per milliwatt under natural convection |
Pinout & Package
Package: SOT23 - surface-mount plastic package with matte tin-plated alloy 42 leadframe, moisture sensitivity level 1, UL 94V-0 rating, and 0.008 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Common Anode Node | Shared cathode return path for both Zener elements; connects to system ground or reference rail |
| Cathode A (Pin 2) | Zener 1 Cathode | First regulated output node; reverse-biased to achieve 44–50 V breakdown |
| Cathode B (Pin 3) | Zener 2 Cathode | Second independent regulated output node; matched to Cathode A within ≤5% ΔVZ |
Key Features
| Feature | Design Value |
|---|---|
| Dual Zeners, Common Anode | Enables compact dual-rail voltage reference without discrete pairing or layout mismatch |
| ΔVZ ≤ 5% | Guarantees tight tracking between two Zener voltages for differential or redundant sensing |
| AEC-Q101 Qualified | Validated for automotive use with 8kV HBM ESD, 15kV IEC air discharge, and IATF 16949 manufacturing |
| Lead-Free & Halogen-Free | Complies with RoHS 3 (2015/863/EU), <900 ppm Br/Cl, <1000 ppm Sb - supports green manufacturing |
Applications
| Switch-Mode Power Supply Feedback | Industrial Sensor Reference |
|---|---|
Use Scenario: Stabilizing optocoupler-based feedback in isolated DC-DC converters. IC Role / Device Role / Timing Role: Dual Zener provides matched reference for primary-side error amplifier and secondary-side overvoltage clamp. Use Value: Enables single-component dual-threshold protection while maintaining ±5% VZ matching across temperature. |
Use Scenario: Providing stable excitation voltage for RTD or bridge sensor front-ends. IC Role / Device Role / Timing Role: Supplies low-drift, low-noise bias to sensor Wheatstone bridges in 4–20 mA transmitters. Use Value: +0.110%/°C TC and 750Ω ZZK minimize measurement drift and loading error in precision analog signal chains. |
| Automotive Body Control Module | Programmable Logic Controller Input Protection |
Use Scenario: Overvoltage clamping on LIN bus or 12V auxiliary rail inputs. IC Role / Device Role / Timing Role: Dual Zener shunts transients above 47V while sharing common anode to chassis ground. Use Value: AEC-Q101 qualification ensures operation across –40°C to +125°C ambient with validated ESD robustness. |
Use Scenario: Protecting digital input channels from field-wiring surges in industrial PLCs. IC Role / Device Role / Timing Role: Acts as bidirectional transient suppressor across input and reference pins using common-anode topology. Use Value: 300mW rating and 417°C/W RθJA support sustained clamping without thermal runaway on standard PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-Zener voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C47-7-F | Single Zener, same 44–50V range and SOT23 package but no dual-element matching | Lacks common-anode dual regulation; requires two devices for dual-rail use | Select when only one regulated node is needed or board space allows discrete duplication |
| DZ23C47-7-F | Same dual-Zener specs but common-cathode configuration (pinout inverted) | Requires reversed PCB layout and different bias network topology | Choose when existing design uses common-cathode architecture or needs complementary polarity |
Compared with BZX84-C47-7-F and DZ23C47-7-F, AZ23C47-7 uniquely delivers matched dual-Zener regulation in common-anode form factor - critical for space-constrained feedback networks where pin-compatible dual-channel referencing is required without layout redesign.
Availability
AZ23C47-7 is available at Aetrix Electronics and suitable for switch-mode power supplies, industrial sensor interfaces, automotive body control modules, and programmable logic controller input protection requiring stable component supply and AEC-Q101-compliant performance.
Supply support for AZ23C47-7 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
Diodes Incorporated is a global manufacturer of high-performance discrete semiconductors and ICs, specializing in power management, signal integrity, and protection solutions for industrial, automotive, and consumer markets.
AZ23C47-7 belongs to the AZ23 series of dual Zener diodes designed specifically for compact, matched-voltage reference and overvoltage protection in space-limited surface-mount applications.
FAQ
What is the maximum power dissipation for AZ23C47-7 under standard PCB conditions?
AZ23C47-7 is rated for 300 mW maximum power dissipation when mounted on an FR-4 printed circuit board with Diodes Incorporated's recommended pad layout. Derating begins linearly above 25°C ambient, reaching zero dissipation at approximately 150°C per the published power derating curve.
How does the common-anode configuration affect circuit implementation?
The common-anode configuration places both Zener cathodes on separate pins (2 and 3) with the anode on pin 1, allowing independent regulation of two positive voltage rails referenced to the same ground node. This eliminates need for external series resistors between Zeners and simplifies feedback network design in dual-output power supplies.
Is AZ23C47-7 suitable for automotive applications?
Yes - AZ23C47-7 is qualified to AEC-Q101 standards, including HBM ESD (8 kV), MM ESD (400 V), and IEC 61000-4-2 (15 kV air, 8 kV contact). Automotive-grade versions with Q-suffix (e.g., AZ23C47Q-7-F) are available for PPAP-capable production in IATF 16949-certified facilities.
What is the significance of the "-7-F" suffix in the part number?
The "-7-F" suffix denotes tape-and-reel packaging: "-7" indicates 3,000-unit reels, and "-F" confirms lead-free, halogen-free, RoHS 3-compliant construction. This suffix is mandatory for orderable commercial-grade parts and appears in all official Diodes Incorporated ordering documentation.
AZ23C47-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Configuration:
- 1 Pair Common Anode
- Voltage - Zener (Nom) (Vz):
- 47 V
- Tolerance:
- ±5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
AZ23C47-7 FAQ
1.How can I place an order for AZ23C47-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AZ23C47-7 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 AZ23C47-7 reliable?
The price and inventory of AZ23C47-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AZ23C47-7 is usually 5 days.
3.What payment methods are accepted for AZ23C47-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AZ23C47-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AZ23C47-7?
AZ23C47-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AZ23C47-7 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 AZ23C47-7?
For technical support, including AZ23C47-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AZ23C47-7 requirements.
6.How does Aetrix verify that AZ23C47-7 is sourced from the original manufacturer or authorized distributors?
All AZ23C47-7 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 AZ23C47-7 meets industry standards.
7.What is the process for return or replacement of AZ23C47-7?
All AZ23C47-7 units undergo pre-shipment inspection (PSI). If there is an issue with AZ23C47-7, 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 AZ23C47-7 part is unused and in its original packaging.
Return procedure for AZ23C47-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AZ23C47-7 Tags
-
MMBZ18VALT1G
onsemi
-
AZ23C18-7-F
Diodes Incorporated
-
MMBZ6V2ALT1G
onsemi
-
MMBZ5V6ALT1G
onsemi
-
MMBZ6V8ALT1G
onsemi
-
MMBZ5V6ALT3G
onsemi
-
MMBZ33VALT1G
onsemi
-
MMBZ9V1ALT1G
onsemi
-
MMBZ20VALT1G
onsemi
-
SZMMBZ27VALT1G
onsemi
-
MMBZ15VALT1G
onsemi
-
MMBZ12VALT1G
onsemi
Tech Hub
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
