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Microchip Technology SMBG5361A/TR13
- Part No.:
- SMBG5361A/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG5361A/TR13.pdf
- Description:
- DIODE ZENER 27V 5W DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,882
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Product details
Overview
SMBG5361A/TR13 from Microsemi is a surface-mount 5 W Zener diode with nominal breakdown voltage of 27 V, ±10% tolerance (A-suffix), and maximum Zener current IZM of 50 mA at TL < 25 °C. It uses DO-215AA gull-wing package, supports visible solder joints, and is rated for junction temperatures from –65 °C to +150 °C. It serves as a precision voltage reference or overvoltage clamp in DC power rails and analog signal conditioning circuits.
For engineers reviewing the SMBG5361A/TR13 datasheet, SMBG5361A/TR13 pinout, SMBG5361A/TR13 application, or SMBG5361A/TR13 equivalent, this page delivers verified electrical parameters, thermal derating behavior, RoHS-compliant plating options, JEDEC 1N53xxB-series equivalence, and real-world design implications for voltage regulation under surge and temperature variation.
Technical Context
This device operates in reverse-biased breakdown mode with a specified test current IZT of 50 mA and dynamic impedance ZZT of 5.0 Ω at that point. Its Zener voltage is measured 40 ±10 ms after DC current application at TL = 25 °C, per Note 1 in the datasheet.
The SMBG5361A/TR13 exhibits low leakage-maximum IR of 0.5 µA at VR = 19.4 V-and maintains stable regulation across wide current ranges due to minimal voltage drift versus current. Thermal resistance junction-to-lead is 25 °C/W, enabling reliable operation with modest PCB copper area.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 27 V ±10% at IZT = 50 mA - defines regulated output voltage under nominal bias |
| Power Dissipation (PD) | 5.0 W at TL < 25 °C - requires thermal management on PCB to sustain full rating |
| Dynamic Impedance (ZZT) | 5.0 Ω at IZT = 50 mA - determines output voltage stability under load current variation |
| Max Reverse Current (IR) | 0.5 µA at VR = 19.4 V - ensures low quiescent power loss in standby clamping applications |
| Junction Temp Range | –65 °C to +150 °C - supports industrial and automotive under-hood environments |
| Thermal Resistance RθJL | 25 °C/W - enables direct thermal path to PCB lead for efficient heat transfer |
| Surge Current (IZSM) | 4.1 A (8.3 ms half-sine) - withstands transient overvoltage events without failure |
Pinout & Package
DO-215AA gull-wing surface-mount package with cathode indicated by band; anode and cathode terminals are exposed on opposite sides of the molded epoxy body. Leads are tin-lead or RoHS-compliant matte-tin plated per MIL-STD-750 method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference node for reverse-bias operation | Connected to lower-potential side of regulated rail; forms return path for Zener current |
| Cathode | Regulated output node | Banded end; connected to higher-potential side; holds voltage at VZ above anode when conducting |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC 1N53xxB-equivalent performance | Identical electrical specs and test methods to legacy through-hole 1N5361B, enabling drop-in replacement in upgraded layouts |
| Gull-wing lead geometry | Enables visual solder joint inspection and reduces tombstoning risk during reflow on FR4 boards |
| Moisture Sensitivity Level 1 | No dry pack required before assembly-reduces handling cost and avoids bake-out delays |
| High surge current rating | 4.1 A non-repetitive peak allows robust protection against IEC 61000-4-5 level 3 surges without external series limiting |
| Stable VZ vs. temperature | Low TCZ (typical < 0.07 %/°C for 27 V part) minimizes drift in precision reference applications |
Applications
| DC Power Rail Clamping | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Protecting 24 V PLC I/O modules from induced transients on field wiring. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to clamp voltage spikes above 27 V. Use Value: Limits transient excursions to ≤27 V while sustaining 4.1 A surge current, eliminating need for additional TVS stages. |
Use Scenario: Providing stable 27 V reference for analog front-end amplifiers in motor drive feedback circuits. IC Role / Device Role / Timing Role: Precision voltage reference source biased at 50 mA for low-drift op-amp biasing. Use Value: Delivers ±10% tolerance and 5.0 Ω dynamic impedance to maintain < 0.5% output variation across 10–100 mA load range. |
| Automotive Body Control Module | Telecom Power Sequencing |
|
Use Scenario: Regulating auxiliary 27 V supply for LIN bus transceivers in under-hood ECUs. IC Role / Device Role / Timing Role: Voltage regulator maintaining stable bias despite battery voltage fluctuations from 9 V to 16 V. Use Value: Operates continuously from –40 °C to +125 °C with no derating below 5 W up to TL = 25 °C, supporting ASIL-B thermal budgets. |
Use Scenario: Enabling controlled power-up sequencing of FPGA core and I/O banks via voltage-dependent enable logic. IC Role / Device Role / Timing Role: Threshold detector triggering enable signal when input rail exceeds 27 V ±10%. Use Value: Low 0.5 µA leakage at 19.4 V ensures negligible current draw during pre-regulation, improving system standby efficiency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5361B | Same VZ (27 V), ±5% tolerance (B-suffix), 50 mA IZT, but axial T-18 package | Requires through-hole mounting and board space; lacks gull-wing visibility and SMT compatibility | Select when legacy through-hole assembly or higher mechanical robustness in vibration-prone environments is required |
| SMBJ5361A | Same VZ (27 V), ±10% tolerance, DO-214AA J-bend package; identical electrical specs but different thermal resistance (RθJA = 90 °C/W vs. 90 °C/W same, RθJL not specified) | Lower profile than SMBG but less accessible solder joints; slightly reduced surge margin due to smaller thermal mass | Select when board height is constrained and J-bend footprint matches existing layout, accepting minor thermal trade-off |
Compared with SMBG5361A/TR13, 1N5361B offers tighter tolerance but demands through-hole assembly, while SMBJ5361A fits ultra-low-profile designs but sacrifices solder joint inspectability and long-term thermal cycling reliability inherent to gull-wing leads.
Availability
SMBG5361A/TR13 is available at Aetrix Electronics and suitable for DC power rail clamping, industrial sensor signal conditioning, and automotive body control module applications requiring stable component supply, RoHS compliance, and JEDEC-standard Zener performance.
Supply support for SMBG5361A/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 and mixed-signal components for aerospace, defense, and industrial markets.
The SMBG53xxA/B series was designed to deliver JEDEC-qualified 5 W Zener regulation in surface-mount form, bridging legacy 1N53xx performance with modern SMT manufacturing requirements and moisture-insensitive handling.
FAQ
What is the Zener voltage tolerance for SMBG5361A/TR13?
The "A" suffix in SMBG5361A/TR13 denotes ±10% Zener voltage tolerance, meaning the actual VZ falls between 24.3 V and 29.7 V when measured at IZT = 50 mA and TL = 25 °C. This tolerance is confirmed in the Electrical Characteristics table on page 3 of the T4-LDS-0246-1 datasheet.
Does SMBG5361A/TR13 require dry packing before reflow soldering?
No, SMBG5361A/TR13 has IPC/JEDEC J-STD-020B Moisture Sensitivity Level 1 rating, so it does not require dry packing or baking prior to reflow. The device may be stored and assembled directly from standard ambient conditions, reducing manufacturing overhead.
What is the maximum surge current rating for SMBG5361A/TR13?
SMBG5361A/TR13 is rated for a non-repetitive peak surge current (IZSM) of 4.1 A, defined as an 8.3 ms half-sine waveform. This value is specified in the Electrical Characteristics table on page 3 and supports IEC 61000-4-5 level 3 surge immunity without external current limiting.
Is SMBG5361A/TR13 RoHS compliant?
Yes, SMBG5361A/TR13 is RoHS compliant, using annealed matte-tin plating per MIL-STD-750 method 2026. The "TR13" suffix indicates tape-and-reel packaging, and the absence of "e3" in the base part number does not affect RoHS status-the datasheet confirms RoHS versions are available and this variant meets the requirement.
How does thermal derating work for SMBG5361A/TR13 on FR4 PCB?
When mounted on FR4 with 1 oz copper and recommended pad layout, SMBG5361A/TR13 delivers 5.0 W only if lead temperature TL stays below 25 °C. Above that, power must be linearly derated at 55.6 mW/°C (1 W per 18 °C), reaching zero at TL = 125 °C per Figure 1 in the datasheet.
SMBG5361A/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):
- 27 V
- Tolerance:
- ±10%
- Power - Max:
- 5 W
- Impedance (Max) (Zzt):
- 5 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 19.4 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)
SMBG5361A/TR13 FAQ
1.How can I place an order for SMBG5361A/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG5361A/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 SMBG5361A/TR13 reliable?
The price and inventory of SMBG5361A/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG5361A/TR13 is usually 5 days.
3.What payment methods are accepted for SMBG5361A/TR13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG5361A/TR13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG5361A/TR13?
SMBG5361A/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG5361A/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 SMBG5361A/TR13?
For technical support, including SMBG5361A/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG5361A/TR13 requirements.
6.How does Aetrix verify that SMBG5361A/TR13 is sourced from the original manufacturer or authorized distributors?
All SMBG5361A/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 SMBG5361A/TR13 meets industry standards.
7.What is the process for return or replacement of SMBG5361A/TR13?
All SMBG5361A/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG5361A/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 SMBG5361A/TR13 part is unused and in its original packaging.
Return procedure for SMBG5361A/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG5361A/TR13 Tags
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