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Vishay General Semiconductor - Diodes Division SMA6J15AHM3/61
- Part No.:
- SMA6J15AHM3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA6J15AHM3/61.pdf
- Description:
- TVS DIODE 15VWM 23.6VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,735
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Product details
Overview
SMA6J15AHM3/61 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, with 15 V stand-off voltage (VWM), 16.7–18.5 V breakdown voltage (VBR at IT = 1 mA), and 23.6 V maximum clamping voltage (VC) at 25.4 A peak pulse current (IPP) under 10/1000 μs waveform. It delivers 600 W peak pulse power and is used to protect MOSFETs, ICs, and sensor signal lines against inductive switching transients in industrial and telecom equipment.
For engineers reviewing the SMA6J15AHM3/61 datasheet, SMA6J15AHM3/61 pinout, SMA6J15AHM3/61 application, or SMA6J15AHM3/61 equivalent, key selection factors include its unidirectional polarity, 120 °C/W junction-to-ambient thermal resistance, 0.201 Ω dynamic resistance, 150 °C max junction temperature, and halogen-free, RoHS-compliant M3 termination grade.
Technical Context
This TVS diode operates as a voltage-clamped overvoltage protection device, triggered when reverse voltage exceeds its 16.7 V minimum breakdown threshold. Its clamping behavior follows VCLmax = RD × IPP + VBRmax, with RD = 0.201 Ω confirmed at 25 °C.
Designed for PCB-mounted transient suppression, it uses a silicon avalanche structure with matte tin-plated leads solderable per J-STD-002, rated for MSL level 1 (260 °C peak reflow), and validated on 5.0 mm × 5.0 mm copper pads per terminal per JEDEC test conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 15 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR min / max | 16.7 V / 18.5 V at 1 mA - Confirmed avalanche initiation range under DC test conditions |
| VC at IPP | 23.6 V at 25.4 A (10/1000 μs) - Clamped voltage seen by protected circuit during standard surge event |
| PPPM (10/1000 μs) | 600 W - Sustained surge energy handling capability under industry-standard long-duration pulse |
| ID at VWM | 0.2 μA max - Leakage current ensuring minimal standby power loss and signal integrity |
| RθJA | 120 °C/W - Thermal resistance defining junction temperature rise under 4 W steady-state dissipation at TA = 50 °C |
| Polarity | Unidirectional - Cathode marked by band; blocks forward current above VF ≈ 3.5 V at 25 A pulse |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, low-profile case with matte tin-plated leads, UL 94 V-0 molding compound, cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to ground or low-impedance return in unidirectional clamp configuration |
| Cathode | Protected line connection / clamping node | Connected to I/O line or power rail requiring transient suppression; color band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free, RoHS-compliant M3 termination | Meets JESD 201 Class 2 whisker resistance and environmental compliance for industrial-grade reliability |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without baking; peak temperature tolerance up to 260 °C |
| Low dynamic resistance (RD = 0.201 Ω) | Minimizes clamping voltage overshoot during fast-rising transients, improving protection margin |
| 150 °C maximum junction temperature | Supports operation in high-ambient environments such as enclosed industrial controllers or telecom base stations |
| 600 W peak pulse power (10/1000 μs) | Provides robust defense against common inductive load switch-off surges in motor drives and solenoid controls |
Applications
| Industrial Motor Drive Protection | Telecom Line Interface Protection |
|---|---|
Use Scenario: Suppresses voltage spikes generated during turn-off of 24 V DC solenoids and relay coils in PLC output modules. IC Role / Device Role / Timing Role: Unidirectional TVS placed between switched 24 V rail and ground to clamp inductive kickback below 24 V-rated MOSFET drain breakdown. Use Value: Limits transient voltage to ≤23.6 V at 25.4 A, preventing gate oxide damage and ensuring >100,000-cycle reliability under IEC 61000-4-5 Level 3 stress. |
Use Scenario: Shields RS-485 transceiver inputs from lightning-induced surges on outdoor telecom data lines. IC Role / Device Role / Timing Role: Primary front-end clamping device on differential bus lines, coordinated with GDT and series impedance for multi-stage protection. Use Value: Delivers sub-24 V clamping within 1 ns response time, maintaining signal integrity while surviving 4 kV (8/20 μs) common-mode surges per ITU-T K.21. |
| Automotive Body Control Module (BCM) | Consumer Sensor Signal Line Protection |
Use Scenario: Protects LIN bus transceivers and microcontroller GPIOs from load dump and jump-start transients in 12 V vehicle subsystems. IC Role / Device Role / Timing Role: Secondary-level TVS on low-speed communication lines downstream of primary battery-side suppressors. Use Value: Withstands 50 A IFSM surge and maintains <0.2 μA leakage at 15 V, enabling fail-safe operation without false wake-up or bias current drift. |
Use Scenario: Safeguards analog outputs of MEMS pressure sensors in smart home HVAC units exposed to ESD and nearby relay switching noise. IC Role / Device Role / Timing Role: Point-of-entry protection on 0–5 V ratiometric output lines, placed immediately before ADC input filter network. Use Value: Adds <1 pF junction capacitance at zero bias, preserving bandwidth and minimizing signal attenuation in 10 kHz sensor bandwidth applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA6J15A-E3/61 | Same electrical specs but RoHS-compliant E3 termination (not halogen-free); higher whisker risk per JESD 201 Class 1 vs. M3 Class 2 | Approved for commercial-grade consumer products; not qualified for extended-life industrial deployments | Select when cost sensitivity outweighs halogen-free requirement and lifetime >10 years is not mandated |
| SMCJ15A-M3 | Higher 1500 W PPPM (10/1000 μs), DO-214AB package (larger footprint), same VWM/VBR/VC specs | Used where higher surge margin is required and PCB space allows larger SMC package | Choose for mission-critical 24 V power rails subject to repeated high-energy transients, e.g., factory automation main I/O cards |
Compared with SMA6J15AHM3/61, SMA6J15A-E3/61 offers identical clamping performance but reduced process reliability for long-term industrial use, while SMCJ15A-M3 trades compactness for 2.5× higher surge capacity-making SMA6J15AHM3/61 optimal for space-constrained, high-reliability 15 V signal/power line protection.
Availability
SMA6J15AHM3/61 is available at Aetrix Electronics and suitable for industrial motor drive protection, telecom line interface protection, and automotive body control module designs requiring stable component supply, halogen-free compliance, and MSL Level 1 reflow compatibility.
Supply support for SMA6J15AHM3/61 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, MOSFETs, and protection devices with emphasis on reliability, thermal performance, and application-specific validation.
The SMA6JxxA family is engineered for surface-mount transient suppression in space-constrained industrial and telecom systems, balancing low profile, high surge robustness, and process-compliant termination for automated assembly.
FAQ
What is the maximum clamping voltage of the SMA6J15AHM3/61 under a 10/1000 μs surge?
The SMA6J15AHM3/61 has a maximum clamping voltage (VC) of 23.6 V at 25.4 A peak pulse current under the 10/1000 μs waveform. This value is measured per JEDEC standards with 5.0 mm × 5.0 mm copper pads and defines the upper voltage limit imposed on protected circuitry during standardized surge events. The SMA6J15AHM3/61 achieves this with a dynamic resistance of 0.201 Ω, ensuring predictable clamping behavior across temperature.
Is SMA6J15AHM3/61 suitable for bidirectional signal line protection?
No, SMA6J15AHM3/61 is unidirectional only, with cathode marked by a band and designed to clamp reverse transients while blocking forward current above ~3.5 V. For bidirectional protection-such as on AC-coupled or differential data lines-engineers must select a dedicated bidirectional TVS like SMA6J15CA or use back-to-back unidirectional devices. The SMA6J15AHM3/61 datasheet explicitly states "available in unidirectional polarity only."
What does the "M3" suffix indicate in SMA6J15AHM3/61?
The "M3" suffix in SMA6J15AHM3/61 denotes halogen-free, RoHS-compliant construction with matte tin-plated leads qualified to JESD 201 Class 2 for whisker resistance. It also confirms compliance with Vishay's material categorization standard (doc# 99912) and supports lead-free reflow up to 260 °C (MSL Level 1). This distinguishes it from the E3 variant, which is RoHS-compliant but not halogen-free.
Can SMA6J15AHM3/61 be used in place of SMA6J15A-E3/61 without layout changes?
Yes-SMA6J15AHM3/61 and SMA6J15A-E3/61 share identical SMA (DO-214AC) package dimensions, pinout, and electrical specifications including VWM, VBR, VC, and PPPM. The only differences are termination chemistry (M3 vs. E3) and whisker resistance class (JESD 201 Class 2 vs. Class 1). No PCB layout change is required, though M3 provides enhanced long-term reliability in high-humidity or high-temperature environments.
What is the leakage current specification for SMA6J15AHM3/61 at its stand-off voltage?
The SMA6J15AHM3/61 exhibits a maximum reverse leakage current (ID) of 0.2 μA at its 15 V stand-off voltage (VWM), measured at 25 °C. This ultra-low leakage ensures minimal power loss and avoids loading sensitive analog or low-power digital circuits-critical for battery-operated sensor nodes or high-impedance measurement paths where even nanoamp-level currents affect accuracy. The SMA6J15AHM3/61 maintains this spec across its full operating temperature range.
SMA6J15AHM3/61 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 15V
- Voltage - Breakdown (Min):
- 16.7V
- Voltage - Clamping (Max) @ Ipp:
- 23.6V
- Current - Peak Pulse (10/1000µs):
- 25.4A
- Power - Peak Pulse:
- 600W
- 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)
SMA6J15AHM3/61 FAQ
1.How can I place an order for SMA6J15AHM3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA6J15AHM3/61 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 SMA6J15AHM3/61 reliable?
The price and inventory of SMA6J15AHM3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA6J15AHM3/61 is usually 5 days.
3.What payment methods are accepted for SMA6J15AHM3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA6J15AHM3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA6J15AHM3/61?
SMA6J15AHM3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA6J15AHM3/61 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 SMA6J15AHM3/61?
For technical support, including SMA6J15AHM3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA6J15AHM3/61 requirements.
6.How does Aetrix verify that SMA6J15AHM3/61 is sourced from the original manufacturer or authorized distributors?
All SMA6J15AHM3/61 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 SMA6J15AHM3/61 meets industry standards.
7.What is the process for return or replacement of SMA6J15AHM3/61?
All SMA6J15AHM3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMA6J15AHM3/61, 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 SMA6J15AHM3/61 part is unused and in its original packaging.
Return procedure for SMA6J15AHM3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMA6J15AHM3/61 Tags
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