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Diodes Incorporated SMAJ60A-13-F
- Part No.:
- SMAJ60A-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ60A-13-F.pdf
- Description:
- TVS DIODE 60VWM 96.8VC SMA
- Quantity:
- Payment:
- Shipping:
Inventory:60,635
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Product details
Overview
SMAJ60A-13-F from Diodes Incorporated is a unidirectional 400W surface-mount transient voltage suppressor (TVS) diode with 60V reverse standoff voltage, 66.7–73.7V breakdown range at 1mA, 96.8V max clamping voltage at 4.1A peak pulse current, and SMA package for board-level ESD/surge protection in power rails and I/O lines.
For engineers reviewing the SMAJ60A-13-F datasheet, SMAJ60A-13-F pinout, SMAJ60A-13-F application, or SMAJ60A-13-F equivalent, key selection criteria include clamping ratio (VC/VRWM ≈ 1.61), low leakage (<5µA @ 60V), fast response time (<1ps), and AEC-Q101 readiness for automotive power systems.
Technical Context
This TVS operates as a shunt-clamping device triggered by overvoltage events exceeding its VRWM of 60V; it conducts surge current away from protected circuitry once VBR (66.7–73.7V) is reached under 1mA test current. Its glass-passivated junction ensures stable breakdown characteristics and long-term reliability under repetitive transients.
The device uses a single PN-junction structure optimized for high peak pulse power (400W, 10/1000µs waveform) and low dynamic impedance. It exhibits <1.0µA IR at VRWM and maintains clamping performance across -55°C to +150°C operating temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400W - sustains 10/1000µs surge without failure, enabling robust protection against IEC 61000-4-5 Level 4 surges. |
| Reverse Standoff Voltage | 60V - maximum continuous DC or RMS voltage before significant leakage; sets upper limit for protected line voltage. |
| Breakdown Voltage | 66.7–73.7V @ 1mA - precise conduction onset window ensures predictable turn-on without premature triggering. |
| Max Clamping Voltage | 96.8V @ 4.1A - limits voltage seen by downstream ICs during surge, providing margin below typical 100V absolute max ratings. |
| Leakage Current | <5µA @ 60V - negligible standby power loss and no signal integrity impact on high-impedance nodes. |
| Package | SMA - industry-standard surface-mount outline (4.0–4.6mm length, 2.29–2.92mm width) compatible with automated assembly. |
Pinout & Package
Two-terminal SMA package: anode and cathode terminals aligned along the long axis; cathode identified by a band on the top surface. Designed for low-inductance PCB layout with minimal trace length between protected node and ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference terminal for unidirectional conduction | Connected to ground or lower-potential rail; defines polarity of clamping action. |
| Cathode | Surge input terminal | Connected to protected line (e.g., 60V supply rail); carries full surge current to anode during clamping. |
Key Features
| Feature | Design Value |
|---|---|
| 400W peak pulse power rating | Enables protection against severe transients (e.g., ISO 7637-2 Pulse 5a) without derating in compact SMA footprint. |
| Glass-passivated die construction | Improves moisture resistance and long-term stability of VBR and leakage, critical for automotive under-hood applications. |
| RoHS-compliant, halogen-free "Green" finish | Meets global environmental regulations (Br+Cl <1500ppm, Sb <1000ppm) without compromising solderability or thermal cycling performance. |
| Moisture Sensitivity Level 1 | Eliminates bake requirements prior to reflow, reducing manufacturing cost and risk of component damage during assembly. |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: 12V/24V battery-supplied ECUs exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Shunt TVS placed between power rail and chassis ground to clamp transients up to 120V within nanoseconds. Use Value: Prevents latch-up or permanent damage to microcontrollers and CAN transceivers by limiting rail voltage to ≤96.8V during 400W surges. | Use Scenario: Analog input channels (0–10V, 4–20mA) in programmable logic controllers subjected to field wiring surges. IC Role / Device Role / Timing Role: Front-end protection element on signal conditioning PCB, placed before op-amp input stage. Use Value: Maintains signal fidelity with <5µA leakage while clamping induced spikes to safe levels for precision ADC drivers. |
| Telecom Power Supply Input | Consumer Appliance Motor Drive |
Use Scenario: AC/DC adapter secondary-side 48V output rail feeding PoE-powered devices. IC Role / Device Role / Timing Role: Secondary-side overvoltage clamp protecting DC-DC controller ICs and MOSFET gate drivers. Use Value: Ensures system-level compliance with UL 62368-1 surge immunity by limiting transient overshoot to <100V at 4.1A. | Use Scenario: Brushless DC motor control boards where back-EMF spikes threaten gate drivers and MCU pins. IC Role / Device Role / Timing Role: Localized clamping at half-bridge leg outputs to suppress inductive kickback. Use Value: Reduces need for snubber RC networks by absorbing 400W energy pulses directly at the source, improving layout density. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60AHE3_A/H | Same electrical specs; differing tape-and-reel packaging (3000 vs. 5000 units) and date-code marking format. | No functional difference; identical placement and soldering behavior on PCB. | Select based on volume order size and preferred distributor inventory alignment. |
| 1.5SMC60A | Higher 1500W rating but larger SMC package (7.1×6.2mm); 60V VRWM, 96.8V VC, but 15.4A IPP. | Requires more PCB area; suited for higher-energy surges where space permits. | Choose only if surge threat exceeds 400W; otherwise SMAJ60A-13-F offers better board density and cost efficiency. |
Compared with SMAJ60AHE3_A/H, this part offers identical protection performance with optimized logistics for high-volume SMT lines; versus 1.5SMC60A, it trades peak power headroom for 60% smaller footprint-critical for space-constrained automotive modules.
Availability
SMAJ60A-13-F is available at Aetrix Electronics and suitable for automotive power rail protection, industrial PLC I/O protection, and telecom power supply input requiring stable component supply, consistent lead-time visibility, and full traceability.
Supply support for SMAJ60A-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 solutions, with design, manufacturing, and distribution operations across Asia, the Americas, and Europe.
This part belongs to the SMAJ series of surface-mount TVS diodes engineered specifically for high-reliability transient suppression in automotive, industrial, and communications equipment where compact size and AEC-Q101 compatibility are essential.
FAQ
What is the maximum clamping voltage for SMAJ60A-13-F at its rated peak pulse current?
The maximum clamping voltage is 96.8V at 4.1A peak pulse current (10/1000µs waveform), measured per IEC 61000-4-5 test conditions. This value ensures protected circuits remain within safe operating voltage margins during standardized surge events.
Is SMAJ60A-13-F suitable for automotive applications?
Yes - while the standard SMAJ60A-13-F is not AEC-Q101 qualified, Diodes offers the pin-compatible SMAJ60AQ variant qualified to AEC-Q101 with PPAP documentation. The base part shares identical electrical specs and is widely used in non-safety-critical automotive subsystems with internal qualification.
How does the SMA package affect thermal performance?
The SMA package provides 1.0W steady-state power dissipation at TL = +75°C, with thermal resistance from junction-to-lead of approximately 100°C/W. Effective PCB copper pour under the cathode/anode pads is required to achieve rated pulse power and avoid localized overheating during repeated surges.
Can SMAJ60A-13-F be used in bidirectional configurations?
No - SMAJ60A-13-F is unidirectional only, indicated by the absence of "C" suffix. For bidirectional operation, use SMAJ60CA-13-F, which has symmetric clamping in both polarities and no cathode band marking.
SMAJ60A-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):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 4.1A
- Power - Peak Pulse:
- 400W
- 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:
- SMA
SMAJ60A-13-F FAQ
1.How can I place an order for SMAJ60A-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ60A-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 SMAJ60A-13-F reliable?
The price and inventory of SMAJ60A-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 SMAJ60A-13-F is usually 5 days.
3.What payment methods are accepted for SMAJ60A-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ60A-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ60A-13-F?
SMAJ60A-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ60A-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 SMAJ60A-13-F?
For technical support, including SMAJ60A-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ60A-13-F requirements.
6.How does Aetrix verify that SMAJ60A-13-F is sourced from the original manufacturer or authorized distributors?
All SMAJ60A-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 SMAJ60A-13-F meets industry standards.
7.What is the process for return or replacement of SMAJ60A-13-F?
All SMAJ60A-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ60A-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 SMAJ60A-13-F part is unused and in its original packaging.
Return procedure for SMAJ60A-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMAJ60A-13-F Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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