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Vishay General Semiconductor - Diodes Division SMAJ130CA-E3/5A
- Part No.:
- SMAJ130CA-E3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ130CA-E3/5A.pdf
- Description:
- TVS DIODE 130VWM 209VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,738
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Product details
Overview
SMAJ130CA-E3/5A from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping voltage transients on power and signal lines. It features a 130 V standoff voltage (VWM), 144–159 V breakdown range (VBR at 1 mA), 209 V maximum clamping voltage (VC) at 1.4 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial power supplies and automotive control modules.
For engineers reviewing the SMAJ130CA-E3/5A datasheet, SMAJ130CA-E3/5A pinout, SMAJ130CA-E3/5A application, or SMAJ130CA-E3/5A equivalent, key selection criteria include bidirectional clamping capability, 130 V stand-off rating, 209 V clamping under 1.4 A surge, RoHS-compliant matte tin terminations, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This device operates as a voltage-clamping protector with symmetrical avalanche behavior in both directions, enabling use without polarity consideration. Its glass-passivated junction ensures stable breakdown characteristics and low incremental surge resistance, while the SMA package supports high thermal dissipation (RθJA = 120 °C/W) and meets MSL Level 1 reflow requirements (260 °C peak).
The SMAJ130CA-E3/5A delivers 400 W peak pulse power up to 78 V and derates to 300 W above that threshold, per Fig. 2 of the datasheet. It exhibits 0.108 %/°C temperature coefficient of VBR, ensuring predictable clamping shift over temperature, and maintains ≤1.0 μA reverse leakage at 130 V (VWM) at 25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 130 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 144 V / 159 V at 1 mA - guaranteed avalanche onset range defining protection threshold accuracy |
| VC @ IPPM | 209 V at 1.4 A - clamped voltage during full-rated 10/1000 μs transient, limiting stress on downstream circuitry |
| PPPM | 400 W - peak pulse power handling capacity with 10/1000 μs waveform, derated to 300 W above 78 V |
| IFSM | 40 A - single half-sine surge current rating (8.3 ms), applicable only to unidirectional variants; not rated for bidirectional forward conduction |
| TJ max. | +150 °C - maximum junction temperature enabling operation in under-hood automotive and industrial environments |
| Package | SMA (DO-214AC) - industry-standard surface-mount outline with 5.28 mm × 4.50 mm footprint and 2.29 mm height |
Pinout & Package
Package: SMA (DO-214AC), molded plastic case with matte tin-plated leads, compliant with J-STD-002 and JESD 22-B102 solderability standards. No polarity marking - bidirectional symmetry eliminates cathode/anode distinction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient current path | Both terminals function identically; surge current flows bidirectionally across the junction during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables placement on AC-coupled or floating signal/power lines without polarity verification or board layout constraints |
| 400 W peak pulse power | Withstands IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) when mounted on recommended 5.0 mm × 5.0 mm copper pads |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes voltage overshoot during transients, reducing risk of latch-up or gate oxide damage in protected MOSFETs and ICs |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow profile usage (peak 260 °C) without baking preconditioning |
| AEC-Q101 qualified option available | HE3/HM3 suffix variants meet automotive qualification; SMAJ130CA-E3/5A is commercial-grade but shares identical die and construction |
Applications
| Industrial Power Supply Protection | Automotive Body Control Module (BCM) |
|---|---|
|
Use Scenario: Protecting 12 V/24 V DC input rails against load dump and inductive switching spikes in programmable logic controllers and motor drives. IC Role / Device Role / Timing Role: Voltage clamping element placed across input terminals to shunt surge energy away from upstream regulators and microcontrollers. Use Value: Limits rail voltage to ≤209 V during 1.4 A transients, preventing overvoltage shutdown or permanent damage to 36 V-rated input stages. |
Use Scenario: Safeguarding LIN bus transceivers and sensor interface circuits from battery line transients during ignition and alternator load dump. IC Role / Device Role / Timing Role: Bidirectional TVS placed between LIN data line and ground to clamp both positive and negative-going spikes. Use Value: Maintains signal integrity by clamping ±209 V surges within nanoseconds, preserving <10 ns response time required for LIN timing compliance. |
| Consumer Appliance Motor Drive | Telecom Power Interface |
|
Use Scenario: Shielding H-bridge gate drivers and current sense amplifiers from back-EMF spikes generated by brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Localized TVS mounted directly at motor connector to suppress fast-rising (<10 ns) inductive kickback before it couples into control logic. Use Value: Clamps transients to 209 V within 1.0 ps response time, preventing false triggering or latch-up in 5 V logic-level gate drivers. |
Use Scenario: Protecting PoE (Power over Ethernet) midspan injectors and PSE controllers from lightning-induced surges on 48 V DC power pairs. IC Role / Device Role / Timing Role: Primary-stage TVS on DC output side to absorb common-mode surges before they reach isolation transformers and DC-DC converters. Use Value: Handles 400 W pulses with 10/1000 μs profile, meeting IEC 61000-4-5 surge immunity requirements for Class B telecom equipment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ130A-E3/5A | Unidirectional variant with cathode band marking; same VWM, VBR, VC, and PPPM; forward conduction capability retained | Required where polarity is fixed and forward surge current (IFSM = 40 A) must be supported | Select SMAJ130A-E3/5A only if circuit topology mandates unidirectional clamping or requires forward rectification capability |
| SMCJ130CA | Same electrical specs but in larger SMC (DO-214AB) package; 1.5× higher thermal mass and RθJA = 60 °C/W vs. 120 °C/W | Better suited for high-repetition-rate surges or elevated ambient temperatures (>85 °C) | Choose SMCJ130CA when PCB space allows and thermal performance under sustained surge duty cycle is critical |
Compared with SMAJ130A-E3/5A, the SMAJ130CA-E3/5A eliminates polarity dependency and simplifies layout, while SMCJ130CA trades compactness for superior thermal robustness - making SMAJ130CA-E3/5A optimal for space-constrained, polarity-agnostic protection in consumer and industrial designs.
Availability
SMAJ130CA-E3/5A is available at Aetrix Electronics and suitable for industrial power supply protection, automotive body control modules, consumer appliance motor drives, and telecom power interface applications requiring stable component supply and RoHS-compliant sourcing.
Supply support for SMAJ130CA-E3/5A 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, MOSFETs, and protection devices with emphasis on reliability, precision, and application-specific optimization.
The SMAJ series is engineered for high-energy transient suppression in space-constrained surface-mount designs, targeting automotive, industrial, and telecom systems where fast response, repeatable clamping, and automated assembly compatibility are essential.
FAQ
What is the clamping voltage of SMAJ130CA-E3/5A at its rated peak pulse current?
The SMAJ130CA-E3/5A has a maximum clamping voltage (VC) of 209 V at its rated peak pulse current (IPPM) of 1.4 A, measured using the standardized 10/1000 μs double-exponential waveform. This value defines the upper voltage limit imposed on protected circuitry during worst-case transient events and is confirmed in the Electrical Characteristics table on page 2 of Vishay document 88390.
Is SMAJ130CA-E3/5A suitable for automotive applications?
SMAJ130CA-E3/5A is a commercial-grade part, but it shares identical die design and construction with AEC-Q101-qualified variants (e.g., SMAJ130CAHE3_A/I). While not certified itself, its electrical performance, thermal rating (TJ max = +150 °C), and robustness make it widely deployed in non-safety-critical automotive subsystems such as infotainment power rails and sensor interfaces - pending customer qualification.
Does SMAJ130CA-E3/5A have polarity markings on the package?
No, SMAJ130CA-E3/5A does not feature polarity markings because it is a bidirectional TVS diode. The SMA (DO-214AC) package has symmetrical terminals with no cathode band or anode indicator - both ends perform identically during transient suppression, eliminating orientation concerns during automated placement or manual assembly.
What is the maximum reverse leakage current for SMAJ130CA-E3/5A at its standoff voltage?
At its 130 V standoff voltage (VWM) and 25 °C ambient temperature, the SMAJ130CA-E3/5A exhibits a maximum reverse leakage current (ID) of 1.0 μA, as specified in the Electrical Characteristics table. This low leakage ensures minimal standby power loss and avoids unintended biasing of sensitive analog or low-power digital inputs.
Can SMAJ130CA-E3/5A be used in place of SMAJ130A-E3/5A?
SMAJ130CA-E3/5A can replace SMAJ130A-E3/5A in any application where bidirectional clamping is acceptable and forward surge conduction is unnecessary. However, it cannot substitute in unidirectional configurations requiring 40 A IFSM capability or cathode-referenced grounding schemes - always verify circuit polarity and surge directionality before interchange.
SMAJ130CA-E3/5A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMAJ130CA-E3/5A FAQ
1.How can I place an order for SMAJ130CA-E3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ130CA-E3/5A 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 SMAJ130CA-E3/5A reliable?
The price and inventory of SMAJ130CA-E3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAJ130CA-E3/5A is usually 5 days.
3.What payment methods are accepted for SMAJ130CA-E3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ130CA-E3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ130CA-E3/5A?
SMAJ130CA-E3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ130CA-E3/5A 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 SMAJ130CA-E3/5A?
For technical support, including SMAJ130CA-E3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ130CA-E3/5A requirements.
6.How does Aetrix verify that SMAJ130CA-E3/5A is sourced from the original manufacturer or authorized distributors?
All SMAJ130CA-E3/5A 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 SMAJ130CA-E3/5A meets industry standards.
7.What is the process for return or replacement of SMAJ130CA-E3/5A?
All SMAJ130CA-E3/5A units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ130CA-E3/5A, 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 SMAJ130CA-E3/5A part is unused and in its original packaging.
Return procedure for SMAJ130CA-E3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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