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Diodes Incorporated SMAJ130AQ-13-F
- Part No.:
- SMAJ130AQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ130AQ-13-F.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR PP
- Quantity:
- Payment:
- Shipping:
Inventory:9,446
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Product details
Overview
SMAJ130AQ-13-F from Diodes Incorporated is a unidirectional 400W surface-mount automotive transient voltage suppressor (TVS) diode with 130V reverse standoff voltage, 209V max clamping voltage at 1.9A peak pulse current, and AEC-Q101 qualification for under-hood power line protection in ISO7637-2 Pulse 1/2a/3a/3b-compliant systems.
For engineers reviewing the SMAJ130AQ-13-F datasheet, SMAJ130AQ-13-F pinout, SMAJ130AQ-13-F application, or SMAJ130AQ-13-F equivalent, key selection criteria include clamping voltage margin vs. system rail, IPP derating at elevated ambient temperature, unidirectional polarity alignment with DC bus topology, and IATF 16949 manufacturing traceability for automotive PPAP submissions.
Technical Context
This TVS diode operates as a shunt-clamping overvoltage protector in parallel with sensitive automotive electronics. It triggers at breakdown voltage VBR = 144–159V (min/max) with 1.0mA test current and clamps transients to ≤209V at 1.9A (10×1000μs waveform), limiting energy dissipation to 400W non-repetitive pulses.
Designed for 13.5V nominal battery systems, it complies with ISO10605 ESD (±30kV air/contact) and ISO7637-2 surge immunity requirements. Its glass-passivated die and SMA package support operation from –55°C to +175°C junction temperature with lead-free, halogen-free "Green" construction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400W - sustains single 10×1000μs transients without failure |
| Reverse Standoff Voltage | 130V - blocks normal 12V/24V automotive supply ripple and load dump overshoot up to rated voltage |
| Max Clamping Voltage | 209V @ 1.9A - limits downstream IC stress during ISO7637-2 Pulse 1 (–100V) and Pulse 3a (–150V) |
| Breakdown Voltage | 144–159V @ 1.0mA - ensures reliable turn-on before system damage threshold |
| Junction Temperature Range | –55°C to +175°C - supports under-hood placement near engine control units and power distribution modules |
| AEC-Q101 Qualified | Yes - validated for automotive reliability including HTOL, TC, UHAST, and ESD testing per AEC specification |
Pinout & Package
Package: SMA (DO-214AC), molded plastic UL 94V-0 housing, cathode band polarity indicator, 0.064g mass, moisture sensitivity level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-voltage return path; defines unidirectional conduction direction |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., battery feed); carries full transient current during clamp event |
Key Features
| Feature | Design Value |
|---|---|
| 400W peak pulse power rating | Enables robust protection against severe ISO7637-2 Pulse 1 (–100V) and Pulse 3a (–150V) surges without thermal runaway |
| Glass-passivated die construction | Provides stable VBR tolerance and long-term leakage performance in high-humidity under-hood environments |
| AEC-Q101 qualification & IATF 16949 manufacturing | Guarantees automotive-grade process control, lot traceability, and PPAP documentation readiness |
| Lead-free, halogen-free "Green" compliance | Meets EU RoHS 3 (2015/863/EU) and automotive OEM substance restrictions (<900ppm Br/Cl, <1000ppm Sb) |
Applications
| Engine Control Unit (ECU) Power Input | Body Control Module (BCM) CAN Bus Protection |
|---|---|
|
Use Scenario: Protects 12V supply rail of gasoline/diesel engine ECUs against load dump and alternator-induced transients. IC Role / Device Role / Timing Role: Shunt-clamping TVS placed between battery feed and local DC-DC converter input. Use Value: Limits clamped voltage to 209V, preserving input stage MOSFETs and LDOs rated for ≤250V absolute maximum. |
Use Scenario: Safeguards isolated CAN transceivers in BCMs from coupled surges on shared power rails. IC Role / Device Role / Timing Role: Unidirectional TVS on VCC line upstream of CAN PHY, triggered only during negative-going transients. Use Value: Prevents latch-up in 3.3V/5V CAN transceivers by clamping below their absolute maximum supply rating. |
| ADAS Camera Power Supply | Electric Power Steering (EPS) Motor Driver |
|
Use Scenario: Shields 5V/12V imaging sensor power inputs in front/rear ADAS cameras exposed to vehicle-level ESD and ignition noise. IC Role / Device Role / Timing Role: Primary overvoltage clamp on camera module main power input, coordinated with secondary ceramic capacitors. Use Value: Achieves ±30kV ISO10605 ESD immunity while maintaining <1µA leakage at 130V, minimizing standby power loss. |
Use Scenario: Protects gate driver ICs and high-side MOSFETs in EPS motor inverters from inductive kickback during fault shutdown. IC Role / Device Role / Timing Role: Fast-response TVS across H-bridge DC bus, absorbing energy from motor back-EMF during PWM commutation faults. Use Value: Withstands 40A IFSM (8.3ms half-sine), enabling safe interruption of 100A+ motor currents without device rupture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional automotive TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ130A-13-F | No AEC-Q101 qualification; standard industrial grade; same electrical specs and SMA package | Not suitable for PPAP-submission automotive programs; acceptable for non-safety-critical aftermarket or industrial controls | Select when automotive change control, IATF 16949 traceability, or AEC-Q101 test reports are not required |
| SMBJ130A-Q | SMB package (higher thermal resistance); 600W PPK; identical VRWM/VC ratings; AEC-Q101 qualified | Larger footprint; lower power density; better thermal handling for sustained surge duty cycles | Choose when board space allows SMB and higher peak power margin is needed for repetitive surge exposure |
Compared with SMAJ130AQ-13-F, SMAJ130A-13-F lacks automotive qualification but offers cost parity, while SMBJ130A-Q trades compactness for 50% higher pulse power and improved thermal dissipation-critical for EPS or ADAS modules with frequent transient events.
Availability
SMAJ130AQ-13-F is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS camera power supplies, and electric power steering systems requiring stable component supply with full automotive traceability and PPAP support.
Supply support for SMAJ130AQ-13-F 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
Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal devices, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The SMAJ(AQ) series targets automotive power-line transient suppression, delivering AEC-Q101-qualified, high-reliability TVS diodes optimized for ISO7637-2 and ISO10605 compliance in harsh under-hood environments.
FAQ
What is the maximum clamping voltage of SMAJ130AQ-13-F at its rated peak pulse current?
The maximum clamping voltage is 209V measured at 1.9A peak pulse current using the standardized 10×1000μs waveform. This value is guaranteed across the full operating temperature range and ensures protected circuitry remains below critical voltage thresholds during ISO7637-2 Pulse 1 and Pulse 3a events.
Is SMAJ130AQ-13-F suitable for bidirectional signal line protection?
No - SMAJ130AQ-13-F is unidirectional, indicated by the absence of "C" in its part number. It conducts only during reverse-biased overvoltage events and must be oriented with cathode toward the protected line. For bidirectional protection (e.g., data lines), use SMAJ130CAQ-13-F, which has symmetrical clamping in both polarities.
How does the SMA package affect thermal performance in continuous operation?
The SMA package limits steady-state power dissipation to 1.0W at TL = +75°C. In continuous DC bias conditions, this restricts allowable leakage current; however, the device is designed for transient-only operation. Thermal design must prioritize short-duration pulse energy absorption rather than steady-state heat removal.
Does SMAJ130AQ-13-F require external current-limiting components?
No - it functions as a self-limiting shunt device and requires no series impedance for basic overvoltage clamping. However, a series fuse or PTC is recommended upstream to clear catastrophic failures, and local ceramic capacitance (e.g., 100nF) should be placed adjacent to minimize PCB inductance and improve clamping response time.
SMAJ130AQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AC, SMA
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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):
- 1.9A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMA
SMAJ130AQ-13-F FAQ
1.How can I place an order for SMAJ130AQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ130AQ-13-F 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 SMAJ130AQ-13-F reliable?
The price and inventory of SMAJ130AQ-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAJ130AQ-13-F is usually 5 days.
3.What payment methods are accepted for SMAJ130AQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ130AQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ130AQ-13-F?
SMAJ130AQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ130AQ-13-F 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 SMAJ130AQ-13-F?
For technical support, including SMAJ130AQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ130AQ-13-F requirements.
6.How does Aetrix verify that SMAJ130AQ-13-F is sourced from the original manufacturer or authorized distributors?
All SMAJ130AQ-13-F 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 SMAJ130AQ-13-F meets industry standards.
7.What is the process for return or replacement of SMAJ130AQ-13-F?
All SMAJ130AQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ130AQ-13-F, 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 SMAJ130AQ-13-F part is unused and in its original packaging.
Return procedure for SMAJ130AQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMAJ130AQ-13-F Tags
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ESD9B5.0ST5G
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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