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Vishay General Semiconductor - Diodes Division TPSMA13AHM3_B/I
- Part No.:
- TPSMA13AHM3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
TPSMA13AHM3_B/I.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,268
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Product details
Overview
TPSMA13AHM3_B/I from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) in SMA (DO-214AC) package, designed for clamping fast voltage transients on power and signal lines. It features 13.0 V nominal breakdown voltage (VBR), 11.1 V stand-off voltage (VWM), 22.0 A peak pulse current (IPPM), 18.2 V maximum clamping voltage (VC) at IPPM, and 400 W peak pulse power (10/1000 µs). It is AEC-Q101 qualified and rated for TJ = 185 °C, making it suitable for automotive power rail protection.
For engineers reviewing the TPSMA13AHM3_B/I datasheet, TPSMA13AHM3_B/I pinout, TPSMA13AHM3_B/I application, or TPSMA13AHM3_B/I equivalent, key selection criteria include unidirectional polarity, 11.1 V working voltage compatibility with 12 V systems, 18.2 V clamping level under surge, AEC-Q101 qualification status, and SMA package thermal performance under high-reliability PCB layouts.
Technical Context
The TPSMA13AHM3_B/I operates as a silicon avalanche diode optimized for transient suppression using passivated anisotropic rectifier technology. Its junction design enables stable clamping down to -65 °C and up to +185 °C, with low incremental surge resistance ensuring minimal voltage overshoot during 10/1000 µs surges.
It delivers 400 W peak pulse power at TA = 25 °C with 0.01 % duty cycle, derating linearly above ambient temperature per Fig. 2. The device exhibits 0.072 %/°C temperature coefficient of VBR, enabling predictable breakdown shift across automotive temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 12.4 V / 13.0 V / 13.7 V - defines precise avalanche onset threshold for reliable overvoltage triggering |
| VWM | 11.1 V - maximum continuous reverse voltage before leakage exceeds 1 µA, compatible with 12 V nominal systems |
| VC @ IPPM | 18.2 V - clamped voltage during 22.0 A transient, limiting downstream IC stress to safe levels |
| IPPM | 22.0 A - peak surge current capability under standard 10/1000 µs waveform, validated on 5.0 mm × 5.0 mm copper pads |
| PPPM | 400 W - transient energy handling capacity, supporting repetitive surge events at ≤ 0.01 % duty cycle |
| TJ max. | +185 °C - extended junction temperature rating enabling use in under-hood automotive environments |
| Polarity | Unidirectional - blocks reverse conduction only; requires correct cathode orientation relative to protected line |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, halogen-free, RoHS-compliant, MSL Level 1 (260 °C peak reflow), matte tin-plated leads. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction or transient clamp | Connected to lower-potential side (e.g., ground or return path); determines directionality of protection |
| Cathode | Current exit point during avalanche clamping | Connected to protected line (e.g., 12 V rail); color band identifies this terminal for correct PCB placement |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Optimized anisotropic rectifier process ensures stable VBR and low leakage (<1 µA at VWM) over lifetime and temperature |
| High-temperature operation | TJ = 185 °C rating supports sustained reliability in engine control units and ADAS modules without derating |
| AEC-Q101 qualification | Validated for automotive-grade stress testing including HTGB, HTRB, and temperature cycling per AEC-Q101 Rev D |
| Low clamping ratio | VC/VBR ≈ 1.40 - tight voltage margin between trigger and clamp improves system-level ESD/lightning immunity |
| Fast response time | <1 ns turn-on - suppresses transients before sensitive MOSFET gates or MCU I/O pins experience overstress |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Suppressing load-dump spikes (up to 60 V) and alternator ripple on 12 V battery-fed ECUs in passenger vehicles. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and input filter capacitor to clamp surges before DC-DC converters. Use Value: 18.2 V clamping at 22 A prevents overvoltage damage to 36 V-rated input stages while maintaining 11.1 V system compatibility. | Use Scenario: Protecting analog output lines (e.g., 4–20 mA current loops) from ESD and inductive switching noise in factory automation sensors. IC Role / Device Role / Timing Role: TVS mounted at connector interface to shunt transients before signal conditioning op-amps and ADC inputs. Use Value: Sub-1 ns response and 1.0 µA leakage at 11.1 V preserve signal integrity and measurement accuracy in precision current-loop systems. |
| Consumer Power Adapter Input Stage | Telecom DC Power Feeding Protection |
Use Scenario: Safeguarding AC/DC adapter primary-side controllers against lightning-induced surges on mains-derived DC bus rails. IC Role / Device Role / Timing Role: TVS connected across bulk capacitor to limit transient voltage rise during differential-mode surges. Use Value: 400 W peak power rating handles IEC 61000-4-5 Level 3 (1 kV/2 Ω) surges without degradation under repeated stress. | Use Scenario: Clamping induced surges on -48 V DC feeding lines in base station remote radio units exposed to outdoor lightning coupling. IC Role / Device Role / Timing Role: Unidirectional TVS placed between feed line and PoE-like power management IC to protect upstream DC/DC controller. Use Value: AEC-Q101 qualification and 185 °C TJ ensure long-term stability in sealed, thermally constrained telecom enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A | Same SMA package, 13 V VBR, but 400 W PPPM at 25 °C only; not AEC-Q101 qualified; higher VC = 20.9 V | Lacks automotive qualification and high-temp reliability; suited for commercial-grade consumer power supplies | Select SMAJ13A only when AEC-Q101 and 185 °C operation are not required |
| TPSMA13AHE3_B/I | Identical electrical specs and package; differs only in RoHS compliance (HE3 = lead-free, HM3 = halogen-free + RoHS) | No functional difference; HE3 variant used where halogen-free requirement is not mandated | Choose TPSMA13AHE3_B/I if halogen-free material is not specified in your BOM |
Compared with SMAJ13A, TPSMA13AHM3_B/I offers tighter clamping (18.2 V vs. 20.9 V) and automotive qualification; versus TPSMA13AHE3_B/I, it provides halogen-free construction essential for EU automotive Tier 1 supply chains.
Availability
TPSMA13AHM3_B/I is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom power feeding circuits requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for TPSMA13AHM3_B/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, TVS devices, and optoelectronics with emphasis on reliability and high-temperature performance.
The TPSMA series belongs to Vishay's PAR® family of transient voltage suppressors, engineered specifically for robust, high-energy surge protection in automotive, industrial, and telecom infrastructure where AEC-Q101 compliance and 185 °C operation are mandatory.
FAQ
What is the breakdown voltage tolerance of the TPSMA13AHM3_B/I?
The TPSMA13AHM3_B/I has a guaranteed breakdown voltage range of 12.4 V (minimum) to 13.7 V (maximum) at 1.0 mA test current, with 13.0 V nominal. This ±5.4 % tolerance ensures consistent clamping behavior across production lots and supports reliable design margining for 12 V system protection.
Is the TPSMA13AHM3_B/I suitable for bidirectional transient protection?
No, the TPSMA13AHM3_B/I is unidirectional only, as confirmed in the Vishay datasheet. It conducts in reverse bias during avalanche and blocks forward current beyond ~3.5 V. For bidirectional protection, a pair of unidirectional devices or a dedicated bidirectional TVS like SMBJ13CA must be used instead of TPSMA13AHM3_B/I.
What is the maximum clamping voltage of the TPSMA13AHM3_B/I under surge conditions?
The TPSMA13AHM3_B/I has a maximum clamping voltage (VC) of 18.2 V at 22.0 A peak pulse current (IPPM) using the standard 10/1000 µs waveform. This value is measured under defined PCB layout conditions (0.2" × 0.2" copper pads) and represents the upper bound of voltage seen by downstream circuitry during worst-case transient events.
Does the TPSMA13AHM3_B/I meet automotive qualification standards?
Yes, the TPSMA13AHM3_B/I is AEC-Q101 qualified, as explicitly stated in the Vishay datasheet (Document Number: 88405, Revision: 23-Jan-2024). This qualification covers stress tests including high-temperature reverse bias, high-temperature operating life, and temperature cycling - confirming suitability for automotive powertrain and body electronics applications.
What is the thermal resistance (RθJA) of the TPSMA13AHM3_B/I in standard mounting?
The datasheet does not specify RθJA directly for TPSMA13AHM3_B/I, but thermal performance is characterized via derating curves (Fig. 2) and maximum junction temperature (TJ = 185 °C). For PCB layout, Vishay recommends 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated 400 W pulse power - implying effective RθJA < 100 °C/W under those conditions. Exact RθJA depends on board stack-up and copper area.
TPSMA13AHM3_B/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 22A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
TPSMA13AHM3_B/I FAQ
1.How can I place an order for TPSMA13AHM3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMA13AHM3_B/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 TPSMA13AHM3_B/I reliable?
The price and inventory of TPSMA13AHM3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMA13AHM3_B/I is usually 5 days.
3.What payment methods are accepted for TPSMA13AHM3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMA13AHM3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMA13AHM3_B/I?
TPSMA13AHM3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMA13AHM3_B/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 TPSMA13AHM3_B/I?
For technical support, including TPSMA13AHM3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMA13AHM3_B/I requirements.
6.How does Aetrix verify that TPSMA13AHM3_B/I is sourced from the original manufacturer or authorized distributors?
All TPSMA13AHM3_B/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 TPSMA13AHM3_B/I meets industry standards.
7.What is the process for return or replacement of TPSMA13AHM3_B/I?
All TPSMA13AHM3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with TPSMA13AHM3_B/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 TPSMA13AHM3_B/I part is unused and in its original packaging.
Return procedure for TPSMA13AHM3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMA13AHM3_B/I Tags
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DESD3V3E1BL-7B
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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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Toshiba Semiconductor and Storage
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Diodes Incorporated
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