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Vishay General Semiconductor - Diodes Division SMAJ130AHE3/61
- Part No.:
- SMAJ130AHE3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ130AHE3/61.pdf
- Description:
- TVS DIODE 130VWM 209VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,658
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Product details
Overview
SMAJ130AHE3/61 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for robust overvoltage protection of sensitive electronics. It features a 130 V standoff voltage (VWM), 144–159 V breakdown voltage (VBR) at 1 mA, and clamps transients to ≤209 V at 1.4 A peak pulse current (IPPM), with 400 W peak pulse power (10/1000 μs waveform) and AEC-Q101 qualification for automotive use.
For engineers reviewing the SMAJ130AHE3/61 datasheet, SMAJ130AHE3/61 pinout, SMAJ130AHE3/61 application, or SMAJ130AHE3/61 equivalent, key selection criteria include its unidirectional polarity, 1.0 μA max reverse leakage at VWM, 120 °C/W junction-to-ambient thermal resistance, and RoHS-compliant, halogen-free AEC-Q101 qualified construction suitable for high-reliability automotive ECUs and industrial power interfaces.
Technical Context
This TVS diode operates as a clamping device that enters avalanche conduction when transient voltage exceeds its breakdown threshold, diverting surge current away from protected circuitry. Its glass-passivated junction ensures stable performance under repetitive surges, and its low incremental surge resistance enables effective suppression of fast-rising transients from inductive switching or ESD events.
The SMAJ130AHE3/61 is rated for 40 A peak forward surge current (IFSM, 8.3 ms half-sine), supports operating junction temperatures from –55 °C to +150 °C, and meets MSL Level 1 per J-STD-020 with 260 °C lead-free reflow compatibility - confirming suitability for automated SMT assembly in automotive-grade production environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 130 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin for 12 V–48 V automotive bus systems. |
| VBR (Breakdown Voltage) | 144–159 V at 1 mA - Confirmed avalanche onset range; ensures predictable turn-on during transients without premature conduction. |
| VC (Clamping Voltage) | ≤209 V at IPPM = 1.4 A - Peak voltage seen by protected IC/MOSFET during 10/1000 μs surge; critical for ensuring downstream component voltage rating compliance. |
| PPPM (Peak Pulse Power) | 400 W (10/1000 μs) - Surge energy handling capacity; derates to 300 W above 78 V, validated for ISO 7637-2 Pulse 1/2/5a waveforms. |
| IPPM (Peak Pulse Current) | 1.4 A - Maximum non-repetitive surge current it can safely shunt; directly derived from VC and PPPM (P = V × I). |
| TJmax | +150 °C - Maximum junction temperature; enables operation in under-hood automotive environments with minimal derating. |
| RθJA | 120 °C/W - Thermal resistance from junction to ambient on standard 0.2" × 0.2" copper pads; informs PCB thermal layout requirements. |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Polarity indicated by cathode band; unidirectional configuration only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to ground or lower-potential rail; defines directionality for unidirectional clamping. |
| Cathode | Current exit terminal in forward bias; marked with band | Connected to protected line (e.g., CAN_H, LIN, 12 V supply); conducts surge current to ground during overvoltage. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS sensors - supports PPAP and long-term reliability requirements. |
| 400 W peak pulse power (10/1000 μs) | Meets ISO 7637-2 and IEC 61000-4-5 surge immunity standards for 12 V/24 V vehicle electrical systems. |
| Glass passivated junction | Ensures stable VBR tolerance and low leakage (<1.0 μA) across temperature and lifetime, critical for low-power sensor interfaces. |
| MSL Level 1, 260 °C reflow compatible | Enables single-pass lead-free reflow assembly without moisture sensitivity concerns - eliminates baking step in high-volume SMT lines. |
| Low profile SMA package | 0.208" × 0.157" footprint with 0.078" height - saves board space while maintaining thermal performance via copper pad thermal relief design. |
Applications
| Automotive Power Line Protection | CAN Bus Transient Suppression |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed microcontrollers and power management ICs from load dump and alternator ripple in passenger vehicles. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between power rail and ground, responding within <1 ps to suppress transients exceeding 130 V. Use Value: Limits voltage seen by downstream LDOs and MCUs to ≤209 V during 100 V/100 ms load dump pulses, preventing latch-up or gate oxide damage. |
Use Scenario: Safeguarding CAN transceivers (e.g., TJA1042, SN65HVD230) against ESD and coupled noise on differential bus lines. IC Role / Device Role / Timing Role: Paired unidirectional TVS diodes (one per line) referenced to ground, clamping common-mode surges on CAN_H/CAN_L. Use Value: Maintains signal integrity by clamping transients to <209 V while preserving <1 pF junction capacitance - avoids CAN bit timing distortion. |
| Industrial Sensor Interface Protection | DC-DC Converter Input Stage Clamp |
|
Use Scenario: Shielding analog front-end circuits (e.g., pressure, temperature sensors) connected to long cables in factory automation systems. IC Role / Device Role / Timing Role: Point-of-entry TVS on sensor supply line, absorbing inductive kickback from solenoid actuation or relay switching. Use Value: Prevents sensor IC damage from >1 kV transients by limiting clamped voltage to ≤209 V with sub-nanosecond response - no signal path interruption. |
Use Scenario: Protecting input-stage MOSFETs and controller ICs in isolated DC-DC modules subjected to input surge events. IC Role / Device Role / Timing Role: Primary-side unidirectional TVS placed across bulk capacitor input, conducting surge current before upstream fuse opens. Use Value: Absorbs up to 400 W of transient energy without degradation, enabling reliable operation in 48 V telecom or railway power supplies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ130A-E3/61 | Commercial-grade version; same VWM, VBR, VC, and PPPM, but not AEC-Q101 qualified. | Lacks automotive qualification; unsuitable for safety-critical or OEM-tier automotive designs. | Select SMAJ130AHE3/61 when AEC-Q101 compliance is mandatory; choose SMAJ130A-E3/61 for cost-sensitive industrial prototypes. |
| SMBJ130AHE3/61 | Same electrical specs but in larger SMB (DO-214AA) package; 100 W higher PPPM rating (500 W) due to improved thermal mass. | Higher surge margin and lower RθJA (90 °C/W), but occupies ~40% more PCB area. | Choose SMBJ130AHE3/61 where surge robustness outweighs board space constraints; retain SMAJ130AHE3/61 for compact automotive modules. |
Compared with SMAJ130A-E3/61, the SMAJ130AHE3/61 adds AEC-Q101 qualification without sacrificing electrical performance; versus SMBJ130AHE3/61, it trades 100 W pulse power headroom for 30% smaller footprint - making it optimal for space-constrained, automotive-qualified 12 V/24 V protection nodes.
Availability
SMAJ130AHE3/61 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and DC-DC converter input stages requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SMAJ130AHE3/61 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 performance.
The SMAJ series was developed specifically for high-reliability transient suppression in automotive and industrial environments, combining AEC-Q101 qualification, robust surge handling, and SMT-ready packaging for demanding power and signal line protection.
FAQ
What is the clamping voltage of the SMAJ130AHE3/61 at its rated peak pulse current?
The SMAJ130AHE3/61 has a maximum clamping voltage (VC) of 209 V at its specified peak pulse current (IPPM) of 1.4 A, measured using the standardized 10/1000 μs double-exponential surge waveform. This value is guaranteed across the full operating temperature range and confirms the device's ability to limit transient voltage stress on protected components such as automotive MCUs or CAN transceivers. The SMAJ130AHE3/61 maintains this clamping performance with low incremental resistance, ensuring consistent protection even under repeated surge events.
Is the SMAJ130AHE3/61 suitable for automotive applications?
Yes, the SMAJ130AHE3/61 is AEC-Q101 qualified and explicitly designated for automotive use, with ordering code suffix "HE3" indicating RoHS-compliant and AEC-Q101 qualified construction. It meets stringent requirements for temperature cycling, humidity resistance, and surge robustness required in engine control units, body control modules, and ADAS subsystems. The SMAJ130AHE3/61 is rated for junction temperatures up to +150 °C and supports lead-free reflow up to 260 °C - fully aligned with automotive manufacturing standards.
What does the "HE3" suffix mean in SMAJ130AHE3/61?
The "HE3" suffix in SMAJ130AHE3/61 denotes a RoHS-compliant, AEC-Q101 qualified version with matte tin-plated leads and JESD201 Class 2 whisker resistance. It distinguishes this variant from commercial-grade "E3" parts and halogen-free "HM3" versions. The "HE3" marking confirms full automotive qualification, including stress testing per AEC-Q101 Rev H, and guarantees compliance with automotive supply chain traceability and material disclosure requirements. The SMAJ130AHE3/61 is therefore approved for Tier 1 OEM designs requiring documented qualification evidence.
How does the SMAJ130AHE3/61 differ from bidirectional TVS diodes like SMAJ130CA?
The SMAJ130AHE3/61 is unidirectional and features a cathode band for polarity identification, enabling asymmetric clamping - it conducts only during reverse overvoltage, with forward conduction limited to typical diode behavior. In contrast, SMAJ130CA is bidirectional and symmetrical, clamping in both directions without polarity marking. The SMAJ130AHE3/61 is preferred for DC power rail protection where polarity is fixed, offering tighter VBR tolerance and lower leakage than its bidirectional counterpart. Its unidirectional architecture makes the SMAJ130AHE3/61 ideal for 12 V/24 V automotive supply lines.
What is the thermal resistance and how does it affect PCB layout for the SMAJ130AHE3/61?
The SMAJ130AHE3/61 has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal - a condition specified in the Vishay datasheet for thermal characterization. This value means that under 3.3 W steady-state dissipation, the junction temperature rises ~400 °C above ambient, emphasizing that the device is intended for transient-only duty (not continuous power). For reliable operation, PCB layout must replicate the recommended pad dimensions and avoid excessive copper isolation; the SMAJ130AHE3/61 relies on short thermal paths, not heatsinks, to manage brief surge energy.
SMAJ130AHE3/61 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 130V
- Voltage - Breakdown (Min):
- 144V
- Voltage - Clamping (Max) @ Ipp:
- 209V
- Current - Peak Pulse (10/1000µs):
- 1.4A
- Power - Peak Pulse:
- 300W
- 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-214AC (SMA)
SMAJ130AHE3/61 FAQ
1.How can I place an order for SMAJ130AHE3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ130AHE3/61 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 SMAJ130AHE3/61 reliable?
The price and inventory of SMAJ130AHE3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAJ130AHE3/61 is usually 5 days.
3.What payment methods are accepted for SMAJ130AHE3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ130AHE3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ130AHE3/61?
SMAJ130AHE3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ130AHE3/61 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 SMAJ130AHE3/61?
For technical support, including SMAJ130AHE3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ130AHE3/61 requirements.
6.How does Aetrix verify that SMAJ130AHE3/61 is sourced from the original manufacturer or authorized distributors?
All SMAJ130AHE3/61 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 SMAJ130AHE3/61 meets industry standards.
7.What is the process for return or replacement of SMAJ130AHE3/61?
All SMAJ130AHE3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ130AHE3/61, 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 SMAJ130AHE3/61 part is unused and in its original packaging.
Return procedure for SMAJ130AHE3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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