My Inquiry
My Account
Vishay General Semiconductor - Diodes Division TPSMA11HE3/61T
- Part No.:
- TPSMA11HE3/61T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
TPSMA11HE3/61T.pdf
- Description:
- TVS DIODE 8.92VWM 16.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,782
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPSMA11HE3/61T from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping fast-rising voltage transients on power and signal lines. It features a 11.0 V nominal breakdown voltage (VBR), 9.40 V maximum stand-off voltage (VWM), 25.6 V clamping voltage (VC) at 5.0 A peak pulse current, 400 W peak pulse power (10/1000 µs), and operates up to +185 °C junction temperature - ideal for automotive power rail protection.
For engineers reviewing the TPSMA11HE3/61T datasheet, TPSMA11HE3/61T pinout, TPSMA11HE3/61T application, or TPSMA11HE3/61T equivalent, this page delivers verified electrical parameters, thermal reliability data, AEC-Q101 qualification status, and real-world use context for ESD/surge protection design in high-temperature embedded systems.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to achieve low incremental surge resistance and excellent clamping response under 10/1000 µs transients. Its unidirectional polarity enables integration into DC-biased circuits where reverse conduction must be blocked until clamping threshold is exceeded.
Rated for TJ = 185 °C and qualified per AEC-Q101, the TPSMA11HE3/61T supports automotive-grade reliability under sustained thermal stress and repetitive surge events. It meets MSL Level 1 (260 °C reflow peak) and exhibits <1.0 µA reverse leakage at VWM and 150 °C - critical for low-power sensor interface protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 10.5 V / 11.0 V / 11.6 V - ensures reliable triggering above 9.4 V operating voltage while avoiding false trips during normal DC bias. |
| VWM | 9.40 V - maximum continuous reverse voltage before leakage exceeds 1.0 µA, defining safe operating margin for 9 V rail protection. |
| VC @ IPPM | 25.6 V at 5.0 A - clamps induced surges to a level compatible with 24 V system ICs and MOSFET gate drivers without overstress. |
| PPPM | 400 W (10/1000 µs) - sustains single-event lightning-induced transients common in automotive body control modules and industrial I/O. |
| TJ max. | +185 °C - enables placement near heat sources (e.g., power converters) without derating, supporting under-hood automotive deployment. |
| AEC-Q101 | Qualified - confirms robustness against mechanical shock, temperature cycling, and humidity exposure required for automotive electronics. |
| Package | SMA (DO-214AC) - industry-standard surface-mount outline with 0.208" x 0.157" footprint, compatible with automated assembly and IPC-7351B land patterns. |
Pinout & Package
SMA (DO-214AC) package with molded epoxy case, matte tin-plated leads, and cathode band marking. Compliant with UL 94 V-0 flammability rating and J-STD-002 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient clamp output node | Connected to protected line; conducts during overvoltage to shunt energy to ground or return path. |
| Anode | Reference/return node | Typically tied to system ground or negative rail; completes clamping path during surge event. |
Key Features
| Feature | Design Value |
|---|---|
| 185 °C junction rating | Enables direct placement on engine control units or power inverters without thermal derating or heatsinking. |
| 400 W peak pulse power | Withstands ISO 7637-2 Pulse 1/2a/5a transients in 12 V automotive networks without failure. |
| Low VC/VBR ratio (2.33) | Minimizes let-through voltage during clamping, protecting downstream 12 V logic and analog front-ends. |
| AEC-Q101 qualification (HE3 suffix) | Validates reliability for automotive safety-critical subsystems including ADAS camera power rails and infotainment USB ports. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard 260 °C reflow without popcorn cracking or delamination risk. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply inputs of body control modules (BCM) from load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between battery rail and LDO input to clamp transients before regulation. Use Value: Clamps 12 V rail spikes to ≤25.6 V, preventing damage to 3.3 V/5 V microcontrollers and CAN transceivers downstream. |
Use Scenario: Shielding 4–20 mA current loop inputs of PLC analog modules from field wiring ESD and inductive kickback. IC Role / Device Role / Timing Role: Standoff-mode protector across input terminals, conducting only during >9.4 V transients. Use Value: Maintains <1.0 µA leakage at 24 V nominal, preserving loop accuracy while suppressing ±8 kV contact ESD per IEC 61000-4-2. |
| Consumer USB Port Surge Suppression | Telecom Line Card Transient Protection |
Use Scenario: Safeguarding USB Type-C VBUS lines in portable docking stations against hot-plug surges and cable discharge events. IC Role / Device Role / Timing Role: Primary clamping device on VBUS path, coordinated with upstream fuse and secondary filtering. Use Value: Responds in <1 ns to limit VBUS overshoot to 25.6 V, meeting USB-IF compliance for 5 V tolerant receivers. |
Use Scenario: Protecting Ethernet PHY interfaces on telecom access equipment from lightning-induced surges on PoE lines. IC Role / Device Role / Timing Role: First-stage transient suppressor on 48 V PoE feed, preceding DC-DC converter input. Use Value: Absorbs 400 W pulses without degradation, enabling compliance with ITU-T K.21 basic protection requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Same VBR (10.5–11.6 V), lower PPPM = 400 W but higher VC = 18.2 V at 22.5 A; no AEC-Q101 qualification. | Approved for industrial/commercial use only; not validated for automotive temperature cycling or humidity testing. | Select when cost sensitivity outweighs automotive qualification needs and clamping voltage margin allows higher VC. |
| 1.5SMC11A | Same VBR range, higher PPPM = 1500 W, larger SMC (DO-214AB) package; VC = 18.2 V at 83.3 A. | Requires larger PCB area and different thermal layout; suited for higher-energy surge environments like AC mains inputs. | Choose for legacy designs using SMC footprints or where 1500 W pulse handling is mandated by system-level surge test plans. |
Compared with SMAJ11A and 1.5SMC11A, the TPSMA11HE3/61T provides AEC-Q101 assurance and optimized thermal performance in the compact SMA footprint - making it the preferred choice for space-constrained, high-reliability automotive and industrial edge nodes where qualification and size are decisive.
Availability
TPSMA11HE3/61T is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and consumer USB port surge suppression requiring stable component supply across production lifecycles.
Supply support for TPSMA11HE3/61T 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 operation.
The TPSMA series is engineered for transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where AEC-Q101 qualification, 185 °C operation, and consistent clamping performance are mandatory.
FAQ
What is the clamping voltage of the TPSMA11HE3/61T at its rated peak pulse current?
The TPSMA11HE3/61T has a maximum clamping voltage (VC) of 25.6 V when subjected to its specified peak pulse current of 5.0 A under a 10/1000 µs waveform. This value is measured per JEDEC standards and guarantees that downstream circuitry sees no more than 25.6 V during transient events - a critical parameter for safeguarding 24 V-rated components. The TPSMA11HE3/61T maintains this clamping performance across its full operating temperature range.
Is the TPSMA11HE3/61T qualified for automotive applications?
Yes, the TPSMA11HE3/61T carries the HE3 suffix, indicating RoHS-compliance and full AEC-Q101 qualification. It has passed stress tests including temperature cycling, humidity bias HAST, and mechanical shock - validating its suitability for automotive powertrain, chassis, and body electronics. The TPSMA11HE3/61T is explicitly listed in Vishay's AEC-Q101 qualified product matrix for unidirectional TVS diodes.
What does the "61T" suffix indicate in TPSMA11HE3/61T?
The "61T" suffix in TPSMA11HE3/61T denotes the tape-and-reel packaging configuration: 7-inch diameter reel, 1800 pieces per reel, with EIA-481-compliant orientation and carrier tape specifications. This differs from alternate codes like "/61I" (13-inch reel, 7500 pieces). The TPSMA11HE3/61T is fully compatible with standard SMT pick-and-place equipment using vision-based alignment.
How does the TPSMA11HE3/61T compare to bidirectional TVS diodes in surge protection?
The TPSMA11HE3/61T is unidirectional and intended for DC-biased lines where reverse conduction must be blocked during normal operation - unlike bidirectional types that conduct in both polarities. Its 9.40 V VWM allows use on positive rails without leakage concerns, whereas a bidirectional part with same VBR would have half the standoff voltage. For 12 V automotive systems, the TPSMA11HE3/61T offers superior noise immunity and lower leakage than equivalent bidirectional alternatives.
What is the maximum reverse leakage current of the TPSMA11HE3/61T at elevated temperature?
At VWM = 9.40 V and TJ = 150 °C, the TPSMA11HE3/61T exhibits a maximum reverse leakage current (IR) of 1.0 µA - identical to its room-temperature spec. This stability results from Vishay's passivated anisotropic rectifier process and ensures minimal power loss and signal integrity impact in thermally demanding locations such as under-hood ECUs. The TPSMA11HE3/61T maintains this leakage performance up to its 185 °C maximum junction temperature.
TPSMA11HE3/61T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8.92V
- Voltage - Breakdown (Min):
- 9.9V
- Voltage - Clamping (Max) @ Ipp:
- 16.2V
- Current - Peak Pulse (10/1000µs):
- 24.7A
- Power - Peak Pulse:
- 400W
- 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:
- DO-214AC (SMA)
TPSMA11HE3/61T FAQ
1.How can I place an order for TPSMA11HE3/61T through Aetrix?
Please submit a Request for Quotation (RFQ) for TPSMA11HE3/61T 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 TPSMA11HE3/61T reliable?
The price and inventory of TPSMA11HE3/61T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPSMA11HE3/61T is usually 5 days.
3.What payment methods are accepted for TPSMA11HE3/61T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPSMA11HE3/61T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPSMA11HE3/61T?
TPSMA11HE3/61T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPSMA11HE3/61T 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 TPSMA11HE3/61T?
For technical support, including TPSMA11HE3/61T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPSMA11HE3/61T requirements.
6.How does Aetrix verify that TPSMA11HE3/61T is sourced from the original manufacturer or authorized distributors?
All TPSMA11HE3/61T 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 TPSMA11HE3/61T meets industry standards.
7.What is the process for return or replacement of TPSMA11HE3/61T?
All TPSMA11HE3/61T units undergo pre-shipment inspection (PSI). If there is an issue with TPSMA11HE3/61T, 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 TPSMA11HE3/61T part is unused and in its original packaging.
Return procedure for TPSMA11HE3/61T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPSMA11HE3/61T Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
