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Vishay General Semiconductor - Diodes Division SMBJ36AHE3_A/I
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- Part No.:
- SMBJ36AHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ36AHE3_A/I.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,218
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Product details
Overview
SMBJ36AHE3_A/I from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 36 V stand-off voltage (VWM), 40.0–44.2 V breakdown voltage (VBR) at 1.0 mA, 58.1 V maximum clamping voltage (VC) at 10.3 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive power supply inputs, industrial sensor interfaces, and telecom line protection.
For engineers reviewing the SMBJ36AHE3_A/I datasheet, SMBJ36AHE3_A/I pinout, SMBJ36AHE3_A/I application, or SMBJ36AHE3_A/I equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 150 °C max junction temperature, low incremental surge resistance, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a clamping device that remains high-impedance below VWM = 36 V and rapidly transitions to low-impedance conduction above VBR = 40.0–44.2 V to divert transient energy. Its glass-passivated junction ensures stable breakdown characteristics and fast response time (<1 ns), while the SMB package provides MSL Level 1 moisture sensitivity and 260 °C lead-free reflow compatibility.
The device sustains repetitive 600 W pulses at 0.01% duty cycle and handles 100 A non-repetitive forward surge (8.3 ms half-sine). Thermal resistance is RθJA = 100 °C/W (typ.) and RθJL = 20 °C/W (typ.), enabling reliable operation up to TJ = 150 °C with appropriate PCB copper area.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - Maximum continuous reverse operating voltage before significant leakage; defines safe DC rail margin for 36 V systems. |
| VBR @ IT = 1.0 mA | 40.0–44.2 V - Breakdown threshold range; ensures consistent clamping initiation across production lots. |
| VC @ IPPM = 10.3 A | 58.1 V - Clamped voltage during 10/1000 µs transient; limits downstream IC stress to ≤58.1 V under rated surge. |
| PPPM | 600 W - Peak pulse power handling per 10/1000 µs waveform; supports IEC 61000-4-5 Level 4 surge immunity. |
| IFSM | 100 A - Non-repetitive forward surge rating (8.3 ms); protects against inductive switch-off events in power circuits. |
| TJ max. | 150 °C - Maximum junction temperature; enables use in under-hood automotive and high-ambient industrial environments. |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with cathode band marking; compatible with J-STD-002 solderability and JESD22-B102 whisker testing. |
Pinout & Package
Package: SMB (DO-214AA), unidirectional configuration with cathode marked by a band on the case body. Terminals are matte tin-plated leads, suitable for lead-free reflow (peak 260 °C) and compliant with J-STD-002 solderability requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or return path; carries full surge current during clamping event. |
| Cathode | High-side connection point | Connected to protected line (e.g., 36 V rail); polarity band identifies this terminal on the device body. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and ADAS power supplies, supporting long-term reliability under thermal cycling and vibration. |
| 600 W peak pulse power (10/1000 µs) | Meets IEC 61000-4-5 surge immunity requirements for industrial and telecom equipment without external heat sinking. |
| Glass passivated junction | Ensures stable VBR tolerance and low leakage (<1.0 µA at VWM) over temperature and lifetime, critical for battery-powered sensors. |
| MSL Level 1, 260 °C peak reflow | Enables single-pass lead-free assembly without moisture-related popcorning; eliminates pre-bake requirement in high-volume SMT lines. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage overshoot during transients, reducing risk of latch-up or gate oxide damage in protected MOSFETs and ICs. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 36 V battery-fed ECUs from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between input rail and chassis ground. Use Value: Limits transient voltage to ≤58.1 V during 10.3 A surges, preventing damage to downstream DC-DC converters and microcontrollers. |
Use Scenario: Shielding 4–20 mA current loop transmitters from ESD and inductive switching noise in factory automation. IC Role / Device Role / Timing Role: Fast-response clamping element on analog output line, referenced to system ground. Use Value: Sub-1 ns response and <1.0 µA leakage at 36 V preserve signal integrity and measurement accuracy in precision sensor systems. |
| Telecom DC Power Feeds | Consumer Device USB Power Rail Protection |
|
Use Scenario: Safeguarding PoE-powered remote radio units against lightning-induced surges on 36–48 V DC feeds. IC Role / Device Role / Timing Role: Primary overvoltage clamp on DC input stage, coordinated with upstream fuses. Use Value: 600 W pulse rating and 150 °C TJ max support outdoor deployment with minimal derating in sealed enclosures. |
Use Scenario: Adding secondary surge protection on 36 V auxiliary power inputs in smart home hubs and gateways. IC Role / Device Role / Timing Role: Secondary TVS after primary fuse and common-mode choke in multi-stage protection architecture. Use Value: SMB footprint enables compact layout; AEC-Q101 qualification assures longevity in consumer devices with extended field life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36AHM3_A/I | Halogen-free, RoHS-compliant variant with identical electrical specs and AEC-Q101 qualification. | No functional difference; selected when halogen-free material compliance is required per IPC-1752 or OEM sustainability mandates. | Choose SMBJ36AHM3_A/I if halogen-free construction is mandatory; otherwise SMBJ36AHE3_A/I satisfies standard automotive and industrial requirements. |
| SMBJ36A-E3/52 | Commercial-grade (non-AEC-Q101), same SMB package and electrical parameters, but rated for 125 °C TJ max instead of 150 °C. | Not qualified for automotive under-hood use; suitable for cost-sensitive consumer or office equipment where ambient temperature stays <85 °C. | Select SMBJ36A-E3/52 only for non-automotive applications with lower thermal stress; SMBJ36AHE3_A/I is required for AEC-Q101 compliance and extended temperature operation. |
Compared with SMBJ36AHE3_A/I, SMBJ36AHM3_A/I offers identical performance with halogen-free materials, while SMBJ36A-E3/52 lacks AEC-Q101 validation and has reduced thermal capability - making SMBJ36AHE3_A/I the sole choice for automotive-grade 36 V rail protection requiring 150 °C operation and long-term reliability.
Availability
SMBJ36AHE3_A/I is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and telecom power feed applications requiring stable component supply, AEC-Q101 traceability, and long-lifecycle availability.
Supply support for SMBJ36AHE3_A/I 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The SMBJ series was engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom systems where robustness, AEC-Q101 compliance, and precise clamping performance are essential.
FAQ
What is the clamping voltage of SMBJ36AHE3_A/I at its rated peak pulse current?
The SMBJ36AHE3_A/I has a maximum clamping voltage (VC) of 58.1 V at 10.3 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured under standardized test conditions and defines the upper voltage limit imposed on protected circuitry during surge events. The SMBJ36AHE3_A/I maintains this clamping performance across its qualified operating temperature range and supports repeatable protection behavior in automotive and industrial deployments.
Is SMBJ36AHE3_A/I qualified for automotive applications?
Yes, SMBJ36AHE3_A/I is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HE3" and documentation in datasheet 88392. This qualification covers stress tests including temperature cycling, humidity bias, mechanical shock, and high-temperature operating life - validating SMBJ36AHE3_A/I for use in engine control modules, body electronics, and ADAS power supplies where reliability under thermal and vibrational stress is critical.
What is the standoff voltage and breakdown voltage range for SMBJ36AHE3_A/I?
The SMBJ36AHE3_A/I has a reverse stand-off voltage (VWM) of 36 V and a minimum/maximum breakdown voltage (VBR) of 40.0 V / 44.2 V at 1.0 mA test current. This 4.2 V window ensures stable non-conduction during normal operation while guaranteeing rapid, predictable clamping onset during overvoltage events - a key design parameter for coordinating with upstream fusing and downstream IC absolute maximum ratings.
Does SMBJ36AHE3_A/I support lead-free reflow assembly?
Yes, SMBJ36AHE3_A/I meets J-STD-020 MSL Level 1 and is rated for lead-free reflow with a maximum peak temperature of 260 °C. Its matte tin-plated terminals comply with J-STD-002 solderability standards, and the molding compound is UL 94 V-0 rated. These attributes enable direct integration into high-volume SMT lines without pre-baking or special process adjustments - a verified capability documented in Vishay's mechanical and packaging specifications for the SMBJ series.
How does the thermal resistance of SMBJ36AHE3_A/I affect its power handling?
SMBJ36AHE3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W and junction-to-lead (RθJL) of 20 °C/W. When mounted on 0.2" × 0.2" copper pads per Vishay's recommended layout, these values allow sustained 5.0 W power dissipation at TA = 50 °C and support 600 W transient pulses without exceeding the 150 °C maximum junction temperature - provided PCB copper area and airflow meet datasheet-specified conditions.
SMBJ36AHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 10.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMBJ36AHE3_A/I FAQ
1.How can I place an order for SMBJ36AHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ36AHE3_A/I 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 SMBJ36AHE3_A/I reliable?
The price and inventory of SMBJ36AHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ36AHE3_A/I is usually 5 days.
3.What payment methods are accepted for SMBJ36AHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ36AHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ36AHE3_A/I?
SMBJ36AHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ36AHE3_A/I 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 SMBJ36AHE3_A/I?
For technical support, including SMBJ36AHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ36AHE3_A/I requirements.
6.How does Aetrix verify that SMBJ36AHE3_A/I is sourced from the original manufacturer or authorized distributors?
All SMBJ36AHE3_A/I 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 SMBJ36AHE3_A/I meets industry standards.
7.What is the process for return or replacement of SMBJ36AHE3_A/I?
All SMBJ36AHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ36AHE3_A/I, 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 SMBJ36AHE3_A/I part is unused and in its original packaging.
Return procedure for SMBJ36AHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ36AHE3_A/I Tags
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Diodes Incorporated
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Diodes Incorporated
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