Microchip Technology SMBG5341A/TR13
- Part No.:
- SMBG5341A/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG5341A/TR13.pdf
- Description:
- DIODE ZENER 6.2V 5W DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:5,825
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Product details
Overview
SMBG5341A/TR13 from Microsemi is a surface-mount 5 W Zener diode with 6.2 V nominal breakdown voltage, ±10% tolerance, 200 mA test current (IZT), 1.0 Ω dynamic impedance (ZZT), and DO-215AA gull-wing package. It regulates voltage in power supply feedback loops, overvoltage protection circuits, and reference voltage generation where stable clamping at moderate current is required.
For engineers reviewing the SMBG5341A/TR13 datasheet, SMBG5341A/TR13 pinout, SMBG5341A/TR13 application, or SMBG5341A/TR13 equivalent, key selection factors include its 6.2 V Zener voltage at 200 mA, 1.0 Ω dynamic impedance, 765 mA maximum regulator current (IZM), RoHS-compliant matte-tin plating, and thermal resistance of 25 °C/W junction-to-lead.
Technical Context
This device operates as a reverse-biased voltage reference with sharp knee characteristics at IZK = 1.0 mA and specified regulation at IZT = 200 mA. Its DO-215AA gull-wing package enables visible solder joints and supports automated optical inspection in high-density PCB layouts.
The SMBG5341A/TR13 exhibits minimal voltage variation across operating current (IZ) and temperature (–65 to +150 °C), with thermal resistance junction-to-lead of 25 °C/W and junction-to-ambient of 90 °C/W on FR4 board. It withstands non-repetitive 8.3 ms half-sine surge currents up to 12.4 A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.2 V at 200 mA - precise clamping point for 5 V system references and 3.3 V rail protection. |
| Tolerance | ±10% - defines worst-case regulation band (5.58 V to 6.82 V) for design margining. |
| Dynamic Impedance (ZZT) | 1.0 Ω at 200 mA - low AC impedance ensures stable output under varying load transients. |
| Max Regulator Current (IZM) | 765 mA - maximum continuous DC current at TL < 25 °C with adequate heat sinking. |
| Power Dissipation (PD) | 5.0 W at TL < 25 °C - usable power rating drops per derating curve above 25 °C lead temperature. |
| Junction Temperature Range | –65 to +150 °C - supports operation in industrial and automotive under-hood environments. |
| Surge Current (IZSM) | 12.4 A (8.3 ms half-sine) - handles transient overvoltage events without degradation. |
Pinout & Package
DO-215AA gull-wing surface-mount package with cathode indicated by band; banded end is anode when used in forward bias, but functions as cathode (positive terminal) in Zener regulation mode. Leads are RoHS-compliant matte-tin plated, solderable per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (banded end) | Reference ground node in shunt regulator configuration | Connected to system ground or lower-potential rail; reverse voltage applied between cathode and this terminal. |
| Cathode (unbanded end) | Input/regulated output node | Connected to voltage source or rail being regulated; clamps to 6.2 V when reverse current exceeds knee threshold. |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC 1N5341B equivalent | Identical electrical specs and test methods to legacy through-hole 1N5341B, enabling drop-in replacement in upgraded SMT designs. |
| Level 1 moisture sensitivity | No dry pack required prior to reflow; compatible with standard J-STD-020B handling and assembly processes. |
| Gull-wing lead form | Enables visual solder joint inspection and reduces tombstoning risk during reflow on fine-pitch PCBs. |
| High surge current capability | Withstands 12.4 A non-repetitive surges (8.3 ms), supporting robust input protection in DC power inputs. |
| Low dynamic impedance | 1.0 Ω at 200 mA ensures minimal output voltage shift under load changes-critical for precision references. |
Applications
| DC Power Supply Feedback | Overvoltage Clamp Protection |
|---|---|
Use Scenario: Stabilizing output voltage in isolated flyback or buck-derived auxiliary supplies. IC Role / Device Role / Timing Role: Shunt voltage reference in optocoupler feedback loop of secondary-side controller. Use Value: Maintains ±10% regulation accuracy across line/load/temperature while dissipating up to 5 W during fault conditions. |
Use Scenario: Protecting microcontroller I/O pins or sensor inputs from ESD or inductive kickback. IC Role / Device Role / Timing Role: Passive clamping element placed between signal line and ground. Use Value: Limits transient voltage to ≤6.82 V (max VZ) before damage occurs, with 12.4 A surge rating absorbing energy without failure. |
| Reference Voltage Source | Industrial Sensor Excitation |
Use Scenario: Providing stable 6.2 V bias for analog front-end circuitry in data acquisition modules. IC Role / Device Role / Timing Role: Precision DC reference for ADC reference buffers or op-amp bias networks. Use Value: Delivers 1.0 Ω dynamic impedance and <0.1% voltage drift over –40 to +85 °C ambient, minimizing measurement error. |
Use Scenario: Supplying excitation voltage to resistive bridge sensors (e.g., strain gauges, RTDs) in PLC analog input cards. IC Role / Device Role / Timing Role: Low-noise, thermally stable voltage source replacing active regulators in cost-sensitive channels. Use Value: Enables ratiometric measurements with <±0.5% total error budget, leveraging tight 6.2 V ±10% tolerance and low ZZT. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5341B | Through-hole DO-41 package; identical VZ, IZT, ZZT, and IZM specs; same ±10% tolerance. | Requires axial-leaded PCB footprint and wave soldering; not suitable for high-density SMT assemblies. | Select when legacy through-hole manufacturing is retained or prototyping requires hand-soldering flexibility. |
| SMBJ5341A | Same electrical specs but in DO-214AA (J-bend) package; RθJA = 90 °C/W vs. SMBG's 25 °C/W RθJL. | Lower thermal performance in high-power continuous operation due to higher junction-to-ambient resistance. | Select when existing DO-214AA footprint is fixed and thermal load remains below 1.38 W at TA = 25 °C. |
Compared with SMBG5341A/TR13, the 1N5341B offers identical regulation but lacks SMT manufacturability, while SMBJ5341A trades superior thermal conduction (via gull-wing leads) for compatibility with J-bend land patterns-making SMBG5341A/TR13 optimal for thermally demanding, high-density designs.
Availability
SMBG5341A/TR13 is available at Aetrix Electronics and suitable for DC power supply feedback, overvoltage clamp protection, and reference voltage source applications requiring stable component supply, consistent RoHS compliance, and full traceability across production batches.
Supply support for SMBG5341A/TR13 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
Microsemi Corporation (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability analog, mixed-signal, and RF solutions for aerospace, defense, and industrial markets.
The SMBG53xxA/B series was designed to deliver JEDEC-identical Zener performance in modern gull-wing SMT packages, targeting high-volume power management and protection circuits where thermal reliability and process compatibility are critical.
FAQ
What is the Zener voltage tolerance of SMBG5341A/TR13?
The SMBG5341A/TR13 has a ±10% Zener voltage tolerance, meaning its breakdown voltage ranges from 5.58 V to 6.82 V at 200 mA test current. This tolerance is defined by the "A" suffix in the part number and is verified per JEDEC test methods. The SMBG5341A/TR13 maintains this specification across its full operating temperature range of –65 to +150 °C.
Does SMBG5341A/TR13 require dry packing before reflow soldering?
No, SMBG5341A/TR13 does not require dry packing prior to reflow soldering. It carries IPC/JEDEC J-STD-020B moisture sensitivity level 1, indicating unlimited floor life at ≤30 °C/60% RH. The SMBG5341A/TR13 can be mounted directly after opening sealed tape-and-reel packaging without baking.
What is the maximum surge current rating for SMBG5341A/TR13?
The SMBG5341A/TR13 is rated for a non-repetitive peak surge current (IZSM) of 12.4 A, defined as an 8.3 ms half-sine waveform. This rating applies under specified test conditions and reflects the device's ability to absorb transient energy without parametric shift or failure. The SMBG5341A/TR13 achieves this with its 5 W power rating and optimized silicon structure.
How does the DO-215AA package of SMBG5341A/TR13 improve thermal performance?
The DO-215AA gull-wing package of SMBG5341A/TR13 provides a thermal resistance of 25 °C/W junction-to-lead (RθJL), significantly lower than junction-to-ambient alternatives. This allows efficient heat transfer from the die to the PCB copper via the wide, flat leads. The SMBG5341A/TR13 leverages this to sustain higher continuous power dissipation when lead temperature is controlled.
Is SMBG5341A/TR13 RoHS compliant?
Yes, SMBG5341A/TR13 is RoHS compliant, featuring annealed matte-tin plating per JEDEC standards. The "e3" marking variant confirms compliance, though the TR13 reel packaging itself carries RoHS certification regardless of marking. All units shipped as SMBG5341A/TR13 meet EU Directive 2011/65/EU requirements without exemptions.
SMBG5341A/TR13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-215AA, SMB Gull Wing
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 6.2 V
- Tolerance:
- ±10%
- Power - Max:
- 5 W
- Impedance (Max) (Zzt):
- 1 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 3 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1 A
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG5341A/TR13 FAQ
1.How can I place an order for SMBG5341A/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG5341A/TR13 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 SMBG5341A/TR13 reliable?
The price and inventory of SMBG5341A/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG5341A/TR13 is usually 5 days.
3.What payment methods are accepted for SMBG5341A/TR13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG5341A/TR13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG5341A/TR13?
SMBG5341A/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG5341A/TR13 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 SMBG5341A/TR13?
For technical support, including SMBG5341A/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG5341A/TR13 requirements.
6.How does Aetrix verify that SMBG5341A/TR13 is sourced from the original manufacturer or authorized distributors?
All SMBG5341A/TR13 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 SMBG5341A/TR13 meets industry standards.
7.What is the process for return or replacement of SMBG5341A/TR13?
All SMBG5341A/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG5341A/TR13, 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 SMBG5341A/TR13 part is unused and in its original packaging.
Return procedure for SMBG5341A/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG5341A/TR13 Tags

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