Diodes Incorporated SMAZ33-13-F
- Part No.:
- SMAZ33-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAZ33-13-F.pdf
- Description:
- DIODE ZENER 33V 1W SMA
- Quantity:
- Payment:

- Shipping:

Inventory:166,927
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMAZ33-13-F from Diodes Incorporated is a Zener voltage regulator diode rated around 33 V, SMA / SMB surface-mount Zener package. Its main job is to hold a protected node near a defined breakdown voltage, so voltage tolerance, leakage, impedance, and package dissipation matter more than headline current alone.
For engineers reviewing the SMAZ33-13-F datasheet, SMAZ33-13-F pinout, SMAZ33-13-F application, or SMAZ33-13-F equivalent, the most useful checks are 33 V, SMA / SMB surface-mount Zener package, voltage reference rails, overvoltage clamps.
Technical Context
SMAZ33-13-F is used as a controlled breakdown device rather than a simple rectifier. Its practical behavior depends on Zener voltage, tolerance, dynamic impedance, leakage, and the external series impedance that limits current.
In clamp or shunt-regulator positions, SMAZ33-13-F should be evaluated at the real operating current because low-current knee behavior and high-current dissipation can change the effective rail voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Zener voltage regulator diode for voltage reference rails and overvoltage clamps. |
| Technology | silicon Zener / avalanche regulation technology |
| Voltage Rating / Operating Class | 33 V |
| Current / Output Class | low-power regulator current set by package dissipation |
| Package | SMA / SMB surface-mount Zener package |
| Primary Circuit Role | Controls, protects, switches, rectifies, or regulates the local circuit node according to its product family. |
| Thermal Design Meaning | Usable rating depends on copper area, airflow, duty cycle, ambient temperature, and allowed junction temperature. |
| Assembly Meaning | Footprint, polarity or pin mapping, reel suffix, and soldering profile should match the approved production build. |
| Design Detail | 33 V nominal Zener voltage |
| Design Detail | voltage clamping and shunt regulation |
| Design Detail | compact surface-mount assembly |
Pinout & Package
SMAZ33-13-F uses SMA / SMB surface-mount Zener package. Pin mapping, polarity, or item format should be matched to the exact board, fixture, or procurement requirement before replacement.
| Pin / Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward-current entry terminal. | Connects to the source side of the intended conduction path. |
| Cathode | Forward-current exit and reverse-blocking terminal. | Connects to the protected, rectified, clamped, or higher-potential node. |
| SMA / SMB surface-mount Zener package | Mechanical and thermal package format. | Defines footprint, polarity marking, heat flow, and assembly handling. |
Key Features
- SMAZ33-13-F is identified as a Zener voltage regulator diode.
- 33 V voltage or operating class for the relevant circuit stress.
- low-power regulator current set by package dissipation current or output class, subject to package and thermal derating.
- SMA / SMB surface-mount Zener package package or item format for procurement and assembly review.
- 33 V nominal Zener voltage
- voltage clamping and shunt regulation
- compact surface-mount assembly
- Shunt regulation and overvoltage clamp behavior.
- Nominal Zener voltage should be matched to the protected rail.
Applications
| voltage reference rails | overvoltage clamps |
|---|---|
|
Use Scenario: voltage reference rails where the design needs 33 V behavior from SMAZ33-13-F. Device Role: SMAZ33-13-F provides the Zener voltage regulator diode function in the local circuit block. Use Value: The part keeps the SMA / SMB surface-mount Zener package footprint and rating profile aligned with the intended board function. |
Use Scenario: overvoltage clamps requiring the device family behavior instead of a generic component choice. Device Role: SMAZ33-13-F handles the switching, protection, control, memory, or power-path task defined by its category. Use Value: Using the correct family reduces requalification risk around timing, voltage, current, thermal, and package constraints. |
| bias stabilization | interface protection |
|
Use Scenario: bias stabilization where operating stress, package size, and sourcing continuity all matter. Device Role: SMAZ33-13-F sits in the circuit as a BOM-controlled part rather than a cosmetic ordering code. Use Value: The device-specific rating and package information help engineers avoid unsuitable substitutions during procurement. |
Use Scenario: interface protection for legacy, current-production, or lifecycle-sensitive assemblies. Device Role: SMAZ33-13-F supports the same product-family function when matched to the existing schematic and layout. Use Value: A careful match protects system behavior while giving buyers a traceable sourcing path. |
Equivalent & Alternatives
When evaluating SMAZ33-13-F equivalent devices, compare voltage rating or operating class, current or output capability, package and footprint, pin mapping or polarity, thermal behavior, qualification suffix, lifecycle and sourcing status. A similar family name is not enough when the board depends on timing, leakage, firmware, optical output, or protection behavior.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAZ33 | Same base family identifier with ordering, reel, compliance, or package suffix differences from SMAZ33-13-F. | Useful when the electrical identity is intended to remain close but procurement format differs. | Check package drawing, marking, suffix, qualification status, and approved-source rules before selection. |
| SMAZ33 | Same broad Zener family target around the 33 V nominal voltage class. | Relevant only where clamp voltage, tolerance, and package family align. | Compare nominal voltage, tolerance band, power rating, leakage, dynamic impedance, and package before use. |
Quality
SMAZ33-13-F should be sourced as original Diodes Incorporated material through traceable and controlled supply channels. Quality verification may include package inspection, polarity review, Zener-voltage screening, leakage testing, solderability checks, and reel label verification, along with incoming inspection suited to Zener voltage regulator diode production, repair, or lifecycle procurement.
Availability
SMAZ33-13-F is available at Aetrix Electronics and suitable for voltage reference rails, overvoltage clamps, bias stabilization, interface protection requiring 33 V, SMA / SMB surface-mount Zener package in a controlled BOM or repair program.
Supply support may include scheduled delivery planning, volume procurement support, BOM continuity assistance, traceable sourcing management, and lifecycle availability coordination for manufacturers, repair teams, contract manufacturers, and engineering buyers managing Zener voltage regulator diode demand.
For production deployment, confirming package fit, pin mapping or polarity, electrical rating, temperature margin, lifecycle status, approved manufacturer identity, and sourcing continuity helps reduce qualification risk for SMAZ33-13-F.
Manufacturer
Diodes Incorporated supplies rectifiers, Schottky diodes, SBR devices, protection products, transistors, MOSFETs, analog ICs, logic devices, and power-management semiconductors. SMAZ33-13-F belongs to the Diodes Incorporated product family identified by its prefix and package suffix.
FAQ
What is SMAZ33-13-F used for?
SMAZ33-13-F is used for voltage reference rails, overvoltage clamps, bias stabilization. In those circuits, SMAZ33-13-F provides the Zener voltage regulator diode function with 33 V, SMA / SMB surface-mount Zener package. The final selection should match the schematic role, operating stress, package footprint, and sourcing requirements.
What Zener voltage should be checked for SMAZ33-13-F?
SMAZ33-13-F should be checked against its nominal Zener voltage, tolerance band, test current, leakage, dynamic impedance, and package power rating. In real clamp or shunt circuits, SMAZ33-13-F also depends on the external series impedance that limits current during overvoltage events.
Can SMAZ33-13-F be used as a voltage reference?
SMAZ33-13-F can support simple reference or bias rails when its voltage tolerance, operating current, noise, and temperature behavior fit the circuit. Precision references may need tighter devices, so SMAZ33-13-F should be evaluated against the regulation accuracy actually required.
Can SMAZ33-13-F be replaced by a similar part?
SMAZ33-13-F can be compared with similar family members only after electrical limits, package, orientation, qualification suffix, timing or leakage behavior, and approved-source rules are reviewed. A similar name alone is not enough because SMAZ33-13-F may carry package, program, bin, or lifecycle details.
Why source SMAZ33-13-F through Aetrix Electronics?
Sourcing SMAZ33-13-F through Aetrix Electronics supports traceable procurement, scheduled delivery planning, BOM continuity assistance, and lifecycle availability coordination. This is useful when SMAZ33-13-F is needed for production builds, repair lots, controlled alternates, or long-running equipment support.
SMAZ33-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 33 V
- Tolerance:
- ±5%
- Power - Max:
- 1 W
- Impedance (Max) (Zzt):
- 15 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 25.1 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 200 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMA
SMAZ33-13-F FAQ
1.How can I place an order for SMAZ33-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAZ33-13-F 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 SMAZ33-13-F reliable?
The price and inventory of SMAZ33-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAZ33-13-F is usually 5 days.
3.What payment methods are accepted for SMAZ33-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAZ33-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAZ33-13-F?
SMAZ33-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAZ33-13-F 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 SMAZ33-13-F?
For technical support, including SMAZ33-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAZ33-13-F requirements.
6.How does Aetrix verify that SMAZ33-13-F is sourced from the original manufacturer or authorized distributors?
All SMAZ33-13-F 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 SMAZ33-13-F meets industry standards.
7.What is the process for return or replacement of SMAZ33-13-F?
All SMAZ33-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMAZ33-13-F, 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 SMAZ33-13-F part is unused and in its original packaging.
Return procedure for SMAZ33-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMAZ33-13-F Tags

-
MMBZ5240B-7-F
Diodes Incorporated

-
BZT52C5V6T-7
Diodes Incorporated

-
MMSZ5231B-7-F
Diodes Incorporated

-
BZT52C15-7-F
Diodes Incorporated

-
BZX84C3V3LT1G
onsemi

-
MMSZ5245BS-7-F
Diodes Incorporated

-
MMSZ4682T1G
onsemi

-
BZT52C15S-7-F
Diodes Incorporated

-
MM5Z5V1ST1G
onsemi

-
SMAJ4744A-TP
Micro Commercial Co

-
BZT52C3V6LP-7
Diodes Incorporated

-
SMAZ12-13-F
Diodes Incorporated
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
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…
