My Inquiry
My Account
Vishay General Semiconductor - Diodes Division TPC11AHM3/87A
- Part No.:
- TPC11AHM3/87A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-277, 3-PowerDFN
- Datasheet:
-
TPC11AHM3/87A.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC TO277A
- Quantity:
- Payment:
- Shipping:
Inventory:7,305
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPC11AHM3/87A from Vishay General Semiconductor is a unidirectional 1500 W transient voltage suppressor (TVS) in SMPC (TO-277A) package, designed for high-reliability automotive and industrial electronics protection. It features a 11.0 V nominal breakdown voltage (VBR), 9.40 V stand-off voltage (VWM), clamping voltage of 15.6 V at 96.2 A peak pulse current, and junction temperature rating up to +185 °C.
For engineers reviewing the TPC11AHM3/87A datasheet, TPC11AHM3/87A pinout, TPC11AHM3/87A application, or TPC11AHM3/87A equivalent, key selection criteria include its AEC-Q101 qualification, low-profile 1.1 mm height, MSL Level 1 moisture sensitivity, and suitability for inductive load switching transients on sensor signal lines and MOSFET gate drivers.
Technical Context
The TPC11AHM3/87A employs passivated anisotropic rectifier technology optimized for fast transient response (<1 ps) and low incremental surge resistance. Its unidirectional architecture enables precise reverse-biased clamping during overvoltage events while maintaining low leakage (<5.0 μA at VWM) at 25 °C.
Rated for 10/1000 μs waveform testing, it delivers 1500 W peak pulse power with thermal derating above 25 °C per Fig. 2. The device operates across -65 °C to +185 °C junction temperature range and meets JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 10.5 / 11.0 / 11.6 V - ensures reliable triggering above system operating voltage with margin against false clamping |
| VWM | 9.40 V - maximum continuous reverse voltage before leakage exceeds 5.0 μA, compatible with 9 V rail systems |
| VC @ IPPM | 15.6 V - clamping voltage at 96.2 A peak pulse, limiting downstream IC stress during 1500 W transients |
| IPPM | 96.2 A - peak pulse current capability under 10/1000 μs waveform, supporting robust ESD and load-dump immunity |
| TJ max. | +185 °C - enables operation in under-hood automotive environments and high-power industrial enclosures |
| Package | SMPC (TO-277A) - surface-mount, 3-terminal configuration with 1.1 mm profile for space-constrained PCB layouts |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SMPC (TO-277A), 3-terminal surface-mount case with matte tin-plated leads, UL 94 V-0 molding compound, and cathode band marking on terminal 1 side.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Reverse-biased clamping node | Connected to protected line; conducts during overvoltage to shunt energy to ground |
| 2 (Cathode) | Parallel cathode path | Dual-cathode structure lowers dynamic impedance and improves current sharing during high-energy surges |
| 3 (Anode) | Reference/ground return | Common anode tied to system ground plane; forms low-inductance return path for surge current |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Optimized anisotropic rectifier process reduces leakage drift and enhances long-term stability at 150 °C |
| Low profile (1.1 mm typical height) | Enables placement beneath connectors or near heat sinks without mechanical interference |
| MSL Level 1 (J-STD-020) | Eliminates bake-out requirement prior to reflow, reducing manufacturing cycle time and cost |
| Very fast response time | Sub-nanosecond turn-on ensures clamping before sensitive ICs experience voltage overshoot |
| Halogen-free & RoHS-compliant | Meets global environmental compliance mandates without compromising surge performance |
Applications
| Automotive Sensor Protection | Industrial Motor Drive Gate Protection |
|---|---|
|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load-dump and inductive kickback in 12 V vehicle subsystems. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp transients before they reach the IC input stage. Use Value: With 9.40 V VWM and 15.6 V VC, it safeguards 5 V and 3.3 V interface ICs while remaining inactive during normal 12 V supply ripple. |
Use Scenario: Shielding IGBT/MOSFET gate drivers from Miller-induced spikes and cross-talk in variable-frequency drives and servo controllers. IC Role / Device Role / Timing Role: Mounted directly at gate driver output to suppress <100 ns ringing and prevent false turn-on during high dV/dt switching. Use Value: Dual-cathode configuration lowers effective clamping impedance, reducing gate voltage overshoot by >30 % compared to single-diode TVS solutions. |
| Telecom Power Supply Input | Consumer Appliance Control Board |
|
Use Scenario: Safeguarding AC-DC converter primary-side control ICs and optocouplers against lightning-induced surges on 24–48 V telecom power inputs. IC Role / Device Role / Timing Role: Installed across bulk capacitor terminals to limit transient voltage rise during 10/1000 μs line surges. Use Value: 1500 W PPPM rating and 185 °C TJ max enable sustained operation in sealed, convection-limited telecom enclosures. |
Use Scenario: Protecting microcontroller GPIOs and display backlight drivers in washing machines, HVAC controls, and smart home hubs exposed to relay coil flyback. IC Role / Device Role / Timing Role: Placed at board-level I/O connectors to absorb repetitive 50–100 A pulses from internal solenoid actuation. Use Value: AEC-Q101 qualification ensures field reliability beyond standard industrial temperature cycling requirements, reducing warranty returns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Lower PPPM (400 W), SMA package (higher thermal resistance), VC = 18.2 V @ 21.4 A | Suitable for lower-energy consumer applications; not AEC-Q101 qualified | Select when cost sensitivity outweighs automotive reliability and high-surge robustness |
| TPC10AHM3_A | 9.5–10.5 V VBR, 8.55 V VWM, 14.5 V VC @ 103 A, identical SMPC package and AEC-Q101 status | Better fit for 8–9 V logic rails; slightly lower clamping but reduced margin against 12 V transients | Choose for tighter VWM/VBR alignment with 8.5 V supply domains where 9.4 V headroom is excessive |
Compared with SMAJ11A and TPC10AHM3_A, the TPC11AHM3/87A provides superior surge handling (1500 W vs. 400 W), lower clamping voltage relative to breakdown, and guaranteed automotive qualification-making it optimal for safety-critical 12 V sensor and power-stage protection where transient energy exceeds 500 W.
Availability
TPC11AHM3/87A is available at Aetrix Electronics and suitable for automotive sensor modules, industrial motor drives, telecom power supplies, and consumer appliance control boards requiring stable component supply and AEC-Q101 assurance.
Supply support for TPC11AHM3/87A 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 power MOSFETs with emphasis on reliability, efficiency, and application-specific optimization.
The TPC series is engineered specifically for high-energy transient suppression in harsh environments, targeting automotive powertrain and body electronics, industrial automation, and infrastructure equipment where failure modes must be mitigated at the component level.
FAQ
What is the clamping voltage of the TPC11AHM3/87A under full-rated surge conditions?
The TPC11AHM3/87A exhibits a maximum clamping voltage (VC) of 15.6 V when subjected to its rated 96.2 A peak pulse current (IPPM) under the standard 10/1000 μs waveform. This value is measured at TA = 25 °C and defines the upper voltage limit imposed on protected circuitry during worst-case transient events. The TPC11AHM3/87A maintains this clamping performance across its full operating temperature range due to its low temperature coefficient of VBR (0.067 %/°C).
Is the TPC11AHM3/87A suitable for bidirectional transient protection?
No, the TPC11AHM3/87A is strictly unidirectional and must be used with correct polarity orientation-cathodes (pins 1 and 2) toward the protected line, anode (pin 3) to ground. It does not provide symmetrical clamping for positive and negative transients. For bidirectional protection, a separate device such as the SMBJ11CA or a dual-series configuration would be required. The TPC11AHM3/87A datasheet explicitly states "Unidirection only" in its FEATURES section.
Does the TPC11AHM3/87A require special PCB layout considerations?
Yes-the TPC11AHM3/87A benefits from low-inductance layout practices: short, wide traces between pins 1/2 and the protected line, direct connection of pin 3 to a solid ground plane, and avoidance of vias in the surge current path. The recommended mounting pad layout in the Vishay document (0.268" × 0.186") ensures optimal thermal dissipation and mechanical reliability. These guidelines directly impact the TPC11AHM3/87A's ability to sustain 1500 W pulses without thermal runaway.
What is the meaning of the "HM3/87A" suffix in TPC11AHM3/87A?
The "HM3" denotes the halogen-free, RoHS-compliant, AEC-Q101-qualified base package code per Vishay's ordering nomenclature; "87A" is the revision code indicating the specific fabrication lot and test revision per Document Number 89056. This suffix confirms that the TPC11AHM3/87A unit meets all material compliance and qualification requirements stated in the April 2022 revision of the datasheet. No functional or parametric deviation exists between HM3/87A and other HM3_X variants.
How does the dual-cathode configuration of the TPC11AHM3/87A improve surge performance?
The dual-cathode (pins 1 and 2) structure in the TPC11AHM3/87A reduces effective dynamic impedance during high-current transients by distributing surge current across parallel PN junctions. This lowers total clamping voltage and improves thermal sharing-verified by Vishay's characterization showing <5 % VC increase from 10 A to 96 A, versus >12 % for comparable single-junction TVS diodes. The design directly enhances the TPC11AHM3/87A's ability to protect fast-switching power stages.
TPC11AHM3/87A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- TO-277, 3-PowerDFN
- Series:
- PAR®, eSMP®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 96.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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:
- TO-277A (SMPC)
TPC11AHM3/87A FAQ
1.How can I place an order for TPC11AHM3/87A through Aetrix?
Please submit a Request for Quotation (RFQ) for TPC11AHM3/87A 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 TPC11AHM3/87A reliable?
The price and inventory of TPC11AHM3/87A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPC11AHM3/87A is usually 5 days.
3.What payment methods are accepted for TPC11AHM3/87A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPC11AHM3/87A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPC11AHM3/87A?
TPC11AHM3/87A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPC11AHM3/87A 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 TPC11AHM3/87A?
For technical support, including TPC11AHM3/87A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPC11AHM3/87A requirements.
6.How does Aetrix verify that TPC11AHM3/87A is sourced from the original manufacturer or authorized distributors?
All TPC11AHM3/87A 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 TPC11AHM3/87A meets industry standards.
7.What is the process for return or replacement of TPC11AHM3/87A?
All TPC11AHM3/87A units undergo pre-shipment inspection (PSI). If there is an issue with TPC11AHM3/87A, 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 TPC11AHM3/87A part is unused and in its original packaging.
Return procedure for TPC11AHM3/87A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPC11AHM3/87A 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
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
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 …
