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Microchip Technology SMBG5359C/TR13
- Part No.:
- SMBG5359C/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG5359C/TR13.pdf
- Description:
- DIODE ZENER 24V 5W DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,709
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Product details
Overview
SMBG5359C/TR13 from Microsemi is a surface-mount 5 W Zener diode with nominal breakdown voltage of 24 V, ±2% tolerance (C suffix), and maximum regulator current of 100 mA at 25 °C junction temperature. It uses DO-215AA gull-wing package, delivers low dynamic impedance (3.5 Ω at 50 mA), and supports surge current up to 4.4 A (8.3 ms half-sine). It regulates voltage in power supply feedback loops and overvoltage protection circuits.
For engineers reviewing the SMBG5359C/TR13 datasheet, SMBG5359C/TR13 pinout, SMBG5359C/TR13 application, or SMBG5359C/TR13 equivalent, key selection criteria include Zener voltage tolerance, thermal resistance (RθJL = 25 °C/W), surge current rating, moisture sensitivity level (MSL Level 1), and RoHS-compliant matte-tin plating.
Technical Context
This device operates as a precision voltage reference in reverse-biased mode, maintaining stable output across wide current (50 mA test point) and temperature (–65 °C to +150 °C) ranges. Its low knee impedance (ZZK = 3.5 Ω @ 1 mA) ensures minimal voltage drift near breakdown threshold.
The DO-215AA gull-wing package enables visible solder joints and complies with IPC/JEDEC J-STD-020B MSL Level 1-no dry pack required. Thermal resistance junction-to-lead is 25 °C/W, enabling reliable 5 W dissipation with adequate heat sinking at lead temperature < 25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 24 V ±2% at IZT = 50 mA - defines precise regulation point for feedback networks |
| Max Power Dissipation (PD) | 5.0 W at TL < 25 °C - requires thermal management via PCB copper pour or heatsink |
| Dynamic Impedance (ZZT) | 3.5 Ω at IZT = 50 mA - ensures low voltage variation under load transients |
| Max Regulator Current (IZM) | 100 mA - sets upper limit for continuous bias current without exceeding PD |
| Surge Current (IZSM) | 4.4 A (8.3 ms half-sine) - withstands short-duration overvoltage events like ESD or load dump |
| Junction Temperature Range | –65 °C to +150 °C - supports operation in automotive under-hood and industrial environments |
| Moisture Sensitivity Level | MSL Level 1 per J-STD-020B - no baking or dry pack needed before reflow |
Pinout & Package
DO-215AA gull-wing surface-mount package with cathode indicated by band; banded end must be held positive relative to anode during operation. Leads are RoHS-compliant annealed matte-tin plated, solderable per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Positive terminal in reverse-bias regulation | Connected to regulated voltage node; polarity reversal causes forward conduction |
| Anode | Reference/ground return path | Typically tied to system ground or error amplifier input in feedback loop |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC 1N5359B equivalent | Identical electrical specs and test methods - enables drop-in replacement in legacy designs |
| Gull-wing lead form | Visible solder joints for automated optical inspection (AOI) and rework accessibility |
| ±2% voltage tolerance (C suffix) | Enables tighter regulation than ±5% (B) or ±10% (A) variants in precision references |
| Non-ESD-sensitive | Qualified per MIL-STD-750 Method 1020 - no special handling required in assembly |
| RoHS-compliant matte-tin finish | Lead-free compatible with Pb-free reflow profiles; meets EU Directive 2011/65/EU |
Applications
| Voltage Reference in SMPS Feedback | Overvoltage Protection Clamp |
|---|---|
Use Scenario: Used in secondary-side feedback circuit of isolated DC-DC converters to regulate output voltage. IC Role / Device Role / Timing Role: Zener diode provides stable reference voltage to optocoupler input or TL431 cathode. Use Value: ±2% tolerance ensures output accuracy within ±1.5% over line/load/temperature; 3.5 Ω ZZT minimizes regulation error under dynamic load steps. |
Use Scenario: Placed across sensitive IC inputs or power rails to clamp transient overvoltages. IC Role / Device Role / Timing Role: Acts as shunt protector that conducts when rail exceeds 24 V, diverting surge current to ground. Use Value: 4.4 A IZSM rating handles 8.3 ms surges per ISO 7637-2 Pulse 1/2a; MSL Level 1 simplifies manufacturing flow. |
| Industrial Sensor Excitation | Programmable Logic Controller (PLC) Input Conditioning |
Use Scenario: Provides stable excitation voltage for resistive bridge sensors (e.g., strain gauges) in harsh environments. IC Role / Device Role / Timing Role: Functions as low-drift voltage source in ratiometric measurement circuits. Use Value: –65 °C to +150 °C operating range supports deployment in oil & gas or factory automation; 25 °C/W RθJL allows direct PCB thermal coupling. |
Use Scenario: Mounted on PLC analog input modules to protect ADC front-ends from field-wiring transients. IC Role / Device Role / Timing Role: Shunt limiter clamping input voltage to 24 V before signal conditioning amplifiers. Use Value: Gull-wing leads enable high-density layout; RoHS-compliant finish satisfies industrial compliance requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5359B | Same VZ = 24 V, ±5% tolerance; axial T-18 package; higher RθJA = 125 °C/W | Through-hole mounting only; unsuitable for high-density SMT boards | Select when legacy through-hole design or manual prototyping is required |
| SMBJ5359C | Same VZ, ±2%, but DO-214AA J-bend package; RθJA = 100 °C/W vs. SMBG's 90 °C/W | Lower profile but less robust mechanical retention than gull-wing; no visible solder joint | Choose for space-constrained layouts where gull-wing footprint is unavailable |
Compared with SMBG5359C/TR13, 1N5359B requires PCB redesign for through-hole assembly and offers lower thermal performance, while SMBJ5359C sacrifices solder-joint visibility and mechanical reliability for reduced height-making SMBG5359C/TR13 optimal for automated SMT production requiring AOI and thermal robustness.
Availability
SMBG5359C/TR13 is available at Aetrix Electronics and suitable for industrial power supplies, automotive body control modules, and programmable logic controller input protection requiring stable component supply and RoHS compliance.
Supply support for SMBG5359C/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 SMBG53xx series was designed specifically for surface-mount voltage regulation in space-constrained, thermally demanding applications-emphasizing JEDEC compatibility, visible solder joints, and MSL Level 1 manufacturability.
FAQ
What is the Zener voltage tolerance for SMBG5359C/TR13?
The "C" suffix in SMBG5359C/TR13 specifies a ±2% Zener voltage tolerance at IZT = 50 mA and TL = 25 °C. This yields a guaranteed VZ range of 23.52 V to 24.48 V, tighter than ±5% (B) or ±10% (A) variants-critical for precision feedback and reference applications where regulation accuracy is paramount.
Can SMBG5359C/TR13 replace 1N5359B in existing designs?
Yes, SMBG5359C/TR13 is electrically equivalent to 1N5359B per Microsemi documentation, sharing identical VZ, IZT, ZZT, and IZM. However, it uses DO-215AA surface-mount packaging versus 1N5359B's axial T-18, so PCB layout and assembly process must be updated to accommodate gull-wing SMT placement and reflow.
What is the maximum surge current rating for SMBG5359C/TR13?
SMBG5359C/TR13 has a non-repetitive peak surge current (IZSM) rating of 4.4 A for an 8.3 ms half-sine waveform, as specified in the Electrical Characteristics table. This enables reliable clamping of common automotive load-dump and inductive-switching transients without degradation.
Is SMBG5359C/TR13 RoHS compliant?
Yes, SMBG5359C/TR13 features RoHS-compliant matte-tin plating per EU Directive 2011/65/EU, confirmed by the "e3" marking variant and manufacturer documentation. It is compatible with Pb-free reflow profiles and requires no special handling for lead-free manufacturing.
What thermal resistance values apply to SMBG5359C/TR13?
SMBG5359C/TR13 has RθJL = 25 °C/W (junction-to-lead) and RθJA = 90 °C/W (junction-to-ambient, FR4 board with recommended footprint). These values define thermal limits: full 5 W dissipation is only possible if lead temperature remains below 25 °C; at ambient 25 °C, derated power is ~1.38 W without enhanced cooling.
SMBG5359C/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):
- 24 V
- Tolerance:
- ±2%
- Power - Max:
- 5 W
- Impedance (Max) (Zzt):
- 3.5 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 17.3 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)
SMBG5359C/TR13 FAQ
1.How can I place an order for SMBG5359C/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG5359C/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 SMBG5359C/TR13 reliable?
The price and inventory of SMBG5359C/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG5359C/TR13 is usually 5 days.
3.What payment methods are accepted for SMBG5359C/TR13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG5359C/TR13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG5359C/TR13?
SMBG5359C/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG5359C/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 SMBG5359C/TR13?
For technical support, including SMBG5359C/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG5359C/TR13 requirements.
6.How does Aetrix verify that SMBG5359C/TR13 is sourced from the original manufacturer or authorized distributors?
All SMBG5359C/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 SMBG5359C/TR13 meets industry standards.
7.What is the process for return or replacement of SMBG5359C/TR13?
All SMBG5359C/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG5359C/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 SMBG5359C/TR13 part is unused and in its original packaging.
Return procedure for SMBG5359C/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG5359C/TR13 Tags
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MM5Z5V1ST1G
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