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Vishay General Semiconductor - Diodes Division TA6L33AHM3/I
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- Part No.:
- TA6L33AHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-221AC, SMA Flat Leads
- Datasheet:
-
TA6L33AHM3/I.pdf
- Description:
- 600W,33V 5%, SLIMSMAW PAR
- Quantity:
- Payment:
- Shipping:
Inventory:2,568
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Product details
Overview
TA6L33AHM3/I from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SlimSMAW (DO-221AD) package, with 33.0 V breakdown voltage (VBR), 28.2 V stand-off voltage (VWM), 600 W peak pulse power (10/1000 µs), 13.1 A peak pulse current (IPPM), and 45.7 V clamping voltage (VC) - designed for automotive sensor line protection against inductive switching transients.
For engineers reviewing the TA6L33AHM3/I datasheet, TA6L33AHM3/I pinout, TA6L33AHM3/I application, or TA6L33AHM3/I equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 185 °C junction temperature rating, SlimSMAW mechanical compatibility, and verified clamping performance under 10/1000 µs surge conditions.
Technical Context
This TVS diode employs passivated anisotropic rectifier technology optimized for high-temperature stability and automotive reliability. It operates as a single-element, unidirectional clamping device with junction passivation to ensure robustness under thermal cycling and high-humidity environments.
The TA6L33AHM3/I delivers precise voltage limiting at 33.0 V nominal breakdown, with ±1.7 V tolerance (31.4–34.7 V), and maintains stable clamping up to 45.7 V at 13.1 A surge - meeting JEDEC JESD22-B102 solderability and JESD201 Class 2 whisker test requirements when specified with HM3 suffix.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 31.4 / 33.0 / 34.7 V - defines precise clamping onset threshold for overvoltage events |
| VWM | 28.2 V - maximum continuous reverse working voltage before leakage rises significantly |
| VC @ IPPM | 45.7 V - clamped voltage during 13.1 A 10/1000 µs surge, limiting downstream IC stress |
| PPPM | 600 W - peak pulse power handling capability under standardized 10/1000 µs waveform |
| TJ max | +185 °C - enables operation in under-hood automotive environments without derating |
| Package | SlimSMAW (DO-221AD) - low-profile SMD outline with 2.30–2.70 mm width, MSL Level 1 compliant |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling and humidity testing |
Pinout & Package
SlimSMAW (DO-221AD) is a surface-mount, single-diode package with cathode band marking on one end. The device has two terminals: anode and cathode, oriented per top-view layout with cathode denoted by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to protected line ground reference | Provides low-impedance path to ground during transient clamping event |
| Cathode | Current exit point in forward bias; connected to protected signal/power line | Defines polarity-sensitive connection - must be placed toward higher potential side of circuit |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping | Enables targeted suppression on positive-going transients only, avoiding interference with DC bias or bidirectional signaling |
| 185 °C junction rating | Supports placement near heat sources (e.g., powertrain ECUs) without thermal derating penalties |
| MSL Level 1, 260 °C reflow | Allows single-pass lead-free reflow assembly without moisture-related popcorn failure risk |
| AEC-Q101 + JESD201 Class 2 | Validated for automotive production use with whisker-resistant matte tin plating and extended lifetime testing |
| Low-profile SlimSMAW footprint | Reduces board space vs. SMA/SMB while maintaining >600 W surge capability in same PCB area |
Applications
| Automotive Sensor Protection | Power Supply Input Clamping |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load-dump and inductive kickback in 12 V systems. IC Role / Device Role / Timing Role: Standby clamping element placed between signal line and ground, activated only during overvoltage events. Use Value: Limits transient voltage to ≤45.7 V, preventing damage to 3.3 V or 5 V interface ICs while maintaining signal integrity during normal operation. | Use Scenario: Safeguarding DC-DC converter inputs against battery line surges during alternator load dump (ISO 7637-2 Pulse 5a). IC Role / Device Role / Timing Role: Primary front-end surge suppressor in power rail protection network, upstream of EMI filter and regulator. Use Value: Absorbs 600 W pulses without degradation, enabling compliance with automotive EMC standards while preserving input capacitance budget. |
| Industrial Motor Drive Feedback Lines | Automotive Lighting Control |
Use Scenario: Shielding encoder, Hall-effect, or current-sense feedback signals in BLDC motor controllers exposed to commutation noise. IC Role / Device Role / Timing Role: Point-of-use transient clamp on differential or single-ended analog feedback paths. Use Value: Maintains <1 µA leakage at 28.2 V, ensuring minimal offset error in precision current sensing while surviving repeated 13.1 A surges. | Use Scenario: Protecting LED driver ICs and microcontroller GPIOs controlling headlight or DRL modules subject to relay bounce and PWM switching transients. IC Role / Device Role / Timing Role: Localized TVS on low-voltage control lines interfacing with high-side switches or MOSFET gate drivers. Use Value: Fast response (<1 ns) and low clamping voltage prevent false triggering or latch-up in safety-critical lighting control logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ33A-E3/5A (Vishay) | Same VBR (33 V), but SMA package (DO-214AC); lower PPPM = 400 W; RθJA = 160 °C/W | Larger footprint; less suitable for high-density automotive PCBs requiring SlimSMAW form factor | Select TA6L33AHM3/I when SlimSMAW size, 600 W rating, or AEC-Q101 + JESD201 Class 2 are required. |
| 1.5SMC33A (ON Semiconductor) | Same VBR, but SMC (DO-214AB) package; PPPM = 1500 W; non-AEC-Q101; TJ max = 175 °C | Higher power but larger body; not qualified for automotive; requires layout redesign for footprint | Choose TA6L33AHM3/I for AEC-Q101-compliant designs where space and thermal performance are constrained. |
Compared with SMAJ33A-E3/5A and 1.5SMC33A, the TA6L33AHM3/I uniquely combines SlimSMAW packaging, 600 W surge rating, 185 °C operation, and full AEC-Q101 + JESD201 Class 2 qualification - making it optimal for space-constrained, high-reliability automotive signal-line protection.
Availability
TA6L33AHM3/I is available at Aetrix Electronics and suitable for automotive sensor protection, industrial motor drive feedback lines, and LED lighting control systems requiring stable component supply across long production lifecycles.
Supply support for TA6L33AHM3/I 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 optoelectronics with emphasis on reliability and high-temperature performance.
The TA6L33AHM3/I belongs to Vishay's eSMP® PAR® series - engineered specifically for automotive and industrial transient suppression where compact size, AEC-Q101 compliance, and 185 °C operation are mandatory.
FAQ
What is the breakdown voltage tolerance for TA6L33AHM3/I?
The TA6L33AHM3/I has a guaranteed breakdown voltage range of 31.4 V (min) to 34.7 V (max) at 1.0 mA test current, with 33.0 V nominal. This ±1.7 V tolerance ensures consistent clamping behavior across production lots and supports reliable design margining in automotive applications where voltage transients exceed nominal system rails.
Is TA6L33AHM3/I qualified for automotive use?
Yes, the TA6L33AHM3/I carries the HM3 suffix indicating full AEC-Q101 qualification and compliance with JESD201 Class 2 whisker testing. It is rated for operation up to +185 °C junction temperature and meets MSL Level 1 reflow requirements - making it suitable for under-hood and safety-critical automotive subsystems.
What is the clamping voltage of TA6L33AHM3/I at its rated surge current?
The TA6L33AHM3/I clamps to a maximum of 45.7 V when subjected to its rated 13.1 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured and guaranteed per Vishay's datasheet, ensuring predictable overvoltage protection for downstream 3.3 V or 5 V ICs.
Does TA6L33AHM3/I have unidirectional or bidirectional polarity?
The TA6L33AHM3/I is a unidirectional TVS diode, meaning it provides clamping only for positive-going transients relative to its cathode terminal. Its polarity is marked by a cathode band on the SlimSMAW package, and it must be installed with cathode toward the protected line and anode to ground.
What package type does TA6L33AHM3/I use, and what are its key mechanical features?
The TA6L33AHM3/I uses the SlimSMAW (DO-221AD) package - a low-profile surface-mount outline measuring 2.30–2.70 mm in width and compatible with automated pick-and-place. It features matte tin-plated leads, UL 94 V-0 molding compound, and a cathode band for polarity identification - all supporting high-reliability automotive assembly.
TA6L33AHM3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-221AC, SMA Flat Leads
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 28.2V
- Voltage - Breakdown (Min):
- 31.4V
- Voltage - Clamping (Max) @ Ipp:
- 45.7V
- Current - Peak Pulse (10/1000µs):
- 13.1A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SlimSMAW (DO-221AD)
TA6L33AHM3/I FAQ
1.How can I place an order for TA6L33AHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for TA6L33AHM3/I 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 TA6L33AHM3/I reliable?
The price and inventory of TA6L33AHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TA6L33AHM3/I is usually 5 days.
3.What payment methods are accepted for TA6L33AHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TA6L33AHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TA6L33AHM3/I?
TA6L33AHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TA6L33AHM3/I 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 TA6L33AHM3/I?
For technical support, including TA6L33AHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TA6L33AHM3/I requirements.
6.How does Aetrix verify that TA6L33AHM3/I is sourced from the original manufacturer or authorized distributors?
All TA6L33AHM3/I 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 TA6L33AHM3/I meets industry standards.
7.What is the process for return or replacement of TA6L33AHM3/I?
All TA6L33AHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with TA6L33AHM3/I, 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 TA6L33AHM3/I part is unused and in its original packaging.
Return procedure for TA6L33AHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TA6L33AHM3/I Tags
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