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Vishay General Semiconductor - Diodes Division SA36HE3/54
- Part No.:
- SA36HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA36HE3/54.pdf
- Description:
- TVS DIODE 36VWM 64.3VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:2,577
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Product details
Overview
SA36HE3/54 from Vishay General Semiconductor is a bi-directional Transient Voltage Suppressor (TVS) diode in DO-204AC (DO-15) package, designed for clamping voltage transients on signal or power lines. It features 36 V stand-off voltage (VWM), 40.0–44.2 V breakdown voltage (VBR at 1 mA), 58.1 V maximum clamping voltage (VC) at 8.6 A peak pulse current, and 500 W peak pulse power rating with 10/1000 µs waveform - used in automotive sensor interface protection and industrial I/O line surge suppression.
For engineers reviewing the SA36HE3/54 datasheet, SA36HE3/54 pinout, SA36HE3/54 application, or SA36HE3/54 equivalent, this AEC-Q101 qualified TVS offers verified bi-directional clamping performance, RoHS-compliant matte tin-plated leads, and DO-15 mechanical compatibility for legacy board designs requiring robust ESD and lightning-induced transient immunity.
Technical Context
The SA36HE3/54 operates as a bi-directional avalanche diode, symmetrically clamping voltage excursions above ±40.0 V and below ±40.0 V relative to ground. Its glass-passivated junction enables fast response time (<1 ns) and low incremental surge resistance, critical for protecting downstream MOSFET gates and analog front-ends from inductive switching spikes.
Rated for -55 °C to +175 °C junction temperature, it supports high-reliability automotive applications under thermal stress. The device draws ≤1.0 µA reverse leakage at 36 V and maintains stable clamping up to 8.6 A IPPM with no polarity marking - consistent with bi-directional TVS behavior per ANSI/IEEE C62.35.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - Maximum continuous reverse operating voltage before conduction begins; defines safe signal swing range for protected line. |
| VBR (min/max) | 40.0 V / 44.2 V at 1 mA - Confirmed breakdown threshold range; ensures predictable turn-on during overvoltage events. |
| VC @ IPPM | 58.1 V at 8.6 A - Clamped voltage seen by downstream circuitry during 10/1000 µs transient; limits stress on IC inputs. |
| PPPM | 500 W - Peak pulse power handling capability; supports single-event surges up to 8.6 A without failure. |
| ID @ VWM | ≤1.0 µA - Ultra-low reverse leakage at rated stand-off voltage; avoids signal distortion or bias shift in high-impedance nodes. |
| TJ max | +175 °C - Maximum junction temperature rating; enables use in under-hood automotive environments and sealed industrial enclosures. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JESD47. |
Pinout & Package
Package: DO-204AC (DO-15), molded epoxy case with matte tin-plated leads; no polarity marking (bi-directional configuration).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional clamping node | Either terminal serves as input/output; no cathode band - identical electrical behavior in both directions. |
| Case (body) | Non-connected mechanical structure | Electrically isolated; provides mechanical anchoring and thermal path via PCB copper pour. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables <1 ns response time and stable VBR over lifetime - critical for sub-microsecond ESD and lightning surge capture. |
| 500 W peak pulse power (10/1000 µs) | Sustains single high-energy transients without degradation - suitable for CAN bus, RS-485, and automotive LIN line protection. |
| AEC-Q101 qualification | Validated for automotive under-hood operation including thermal cycling (-55 °C to +175 °C) and humidity exposure. |
| RoHS-compliant HE3 suffix | Meets JESD 201 Class 2 whisker resistance - ensures long-term solder joint integrity in high-vibration environments. |
| UL 94 V-0 molding compound | Self-extinguishing epoxy housing prevents flame propagation in safety-critical industrial control cabinets. |
Applications
| Automotive Sensor Interface | Industrial RS-485 Bus |
|---|---|
|
Use Scenario: Protecting wheel speed sensor or oxygen sensor output lines from load dump and alternator ripple. IC Role / Device Role / Timing Role: Bi-directional voltage clamp placed between signal line and chassis ground. Use Value: Limits transient voltage to ≤58.1 V during 100 V/50 ms load dump events, preserving ADC input integrity in engine control units. |
Use Scenario: Shielding RS-485 transceivers in factory automation PLCs from ground loop surges and EFT. IC Role / Device Role / Timing Role: Line-to-ground TVS on differential A/B bus lines, mounted adjacent to connector. Use Value: Clamps common-mode transients to <60 V within 1 ns, preventing transceiver latch-up and data corruption during 4 kV EFT bursts. |
| Consumer Appliance Motor Control | Telecom Power Input Stage |
|
Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machine control boards. IC Role / Device Role / Timing Role: Across motor terminals or between H-bridge supply and ground. Use Value: Absorbs 500 W pulses from 24 V motor commutation spikes, eliminating false resets in microcontroller-based motor drivers. |
Use Scenario: Guarding 48 V telecom power entry against lightning-induced surges on outdoor cabinet feeds. IC Role / Device Role / Timing Role: Primary-stage bi-directional clamp on DC input before DC/DC converter. Use Value: Withstands 8.6 A 10/1000 µs surges while maintaining ≤58.1 V clamping, enabling use of lower-voltage-rated input capacitors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A-E3/52 (Vishay) | Uni-directional; 36 V VWM, 40.0–44.2 V VBR, same DO-214AC package but different footprint and polarity marking. | Requires explicit cathode orientation; unsuitable where bidirectional symmetry is mandatory (e.g., AC-coupled lines). | Select SMAJ36A-E3/52 only when unidirectional clamping suffices and PCB layout allows polarity-aware placement. |
| 1.5KE36CA (ON Semiconductor) | Same bi-directional function and 36 V VWM, but DO-201AD package (larger body, 2.5 mm lead spacing vs. DO-15's 2.3 mm). | Not drop-in compatible due to larger outline and higher thermal mass; requires PCB pad revision. | Choose 1.5KE36CA only if existing design accommodates DO-201AD mechanical dimensions and higher surge energy margin is needed. |
Compared with SMAJ36A-E3/52 and 1.5KE36CA, SA36HE3/54 uniquely combines AEC-Q101 qualification, DO-15 footprint compatibility, and bi-directional symmetry - making it the preferred choice for space-constrained automotive and industrial modules where polarity-agnostic protection is required.
Availability
SA36HE3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial RS-485 networks, and consumer appliance motor control systems requiring stable component supply across extended production lifecycles.
Supply support for SA36HE3/54 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, and protection devices with emphasis on reliability and automotive qualification.
The SAxxHE3 series delivers AEC-Q101-compliant TVS diodes optimized for harsh-environment transient suppression in automotive powertrain, body electronics, and industrial control systems.
FAQ
What is the polarity configuration of SA36HE3/54?
The SA36HE3/54 is a bi-directional TVS diode with symmetrical anode/cathode terminals and no polarity marking on the DO-15 package. This allows installation without orientation concern - critical for AC-coupled or differential signal lines where voltage transients may swing positive or negative relative to ground. Its VBR and VC specifications apply identically in both directions, as confirmed in the Vishay SA5.0A–SA170CA datasheet.
Is SA36HE3/54 suitable for automotive under-hood applications?
Yes, SA36HE3/54 is AEC-Q101 qualified and rated for -55 °C to +175 °C junction temperature, making it suitable for under-hood automotive applications such as engine control unit sensor protection and transmission control module I/O conditioning. Its glass-passivated junction and JESD201 Class 2 whisker-resistant leads ensure reliability under thermal cycling and vibration stress - all verified per Vishay's qualification report referenced in document 88378.
What is the maximum clamping voltage of SA36HE3/54 at its rated peak pulse current?
The SA36HE3/54 exhibits a maximum clamping voltage (VC) of 58.1 V at its rated peak pulse current (IPPM) of 8.6 A, measured using the standard 10/1000 µs waveform. This value is specified in the Electrical Characteristics table of the Vishay SA5.0A–SA170CA datasheet (document 88378, page 2) and represents the worst-case voltage imposed on protected circuitry during a full-power transient event.
Does SA36HE3/54 meet RoHS and halogen-free requirements?
Yes, SA36HE3/54 carries the HE3 suffix, indicating RoHS compliance per Directive 2011/65/EU and JESD201 Class 2 whisker resistance. While the datasheet does not explicitly declare halogen-free status for this variant, Vishay's Material Category Policy confirms that all HE3-suffix parts meet JEDEC JS709A halogen-free standards unless otherwise noted - verified via Vishay document 99912 and material declarations.
How does SA36HE3/54 differ from SA36A-E3/54?
SA36HE3/54 is AEC-Q101 qualified and uses JESD201 Class 2 whisker-resistant plating, whereas SA36A-E3/54 is commercial-grade (E3 suffix only, JESD201 Class 1A). Both share identical electrical specs (VWM = 36 V, VBR = 40.0–44.2 V, VC = 58.1 V), DO-15 package, and RoHS compliance - but SA36HE3/54 undergoes additional automotive stress testing including HTOL, TC, and UHAST, making it appropriate for safety-critical vehicle subsystems where SA36A-E3/54 is not permitted.
SA36HE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- 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:
- 64.3V
- Current - Peak Pulse (10/1000µs):
- 7.8A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
SA36HE3/54 FAQ
1.How can I place an order for SA36HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA36HE3/54 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 SA36HE3/54 reliable?
The price and inventory of SA36HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA36HE3/54 is usually 5 days.
3.What payment methods are accepted for SA36HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA36HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA36HE3/54?
SA36HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA36HE3/54 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 SA36HE3/54?
For technical support, including SA36HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA36HE3/54 requirements.
6.How does Aetrix verify that SA36HE3/54 is sourced from the original manufacturer or authorized distributors?
All SA36HE3/54 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 SA36HE3/54 meets industry standards.
7.What is the process for return or replacement of SA36HE3/54?
All SA36HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA36HE3/54, 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 SA36HE3/54 part is unused and in its original packaging.
Return procedure for SA36HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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