My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMPC75AN-M3/H
- Part No.:
- SMPC75AN-M3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-277, 3-PowerDFN
- Datasheet:
-
SMPC75AN-M3/H.pdf
- Description:
- TVS DIODE 75VWM 121VC TO277A
- Quantity:
- Payment:
- Shipping:
Inventory:4,989
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMPC75AN-M3/H from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in the TRANSZORB® family, designed for high-energy surge protection on DC power rails and signal lines. It features a 75 V stand-off voltage (VWM), 83.3–92.1 V breakdown voltage (VBR), 121 V maximum clamping voltage (VC) at 12.4 A peak pulse current (IPPM), and 1500 W peak pulse power (PPPM) with 10/1000 μs waveform - suitable for automotive-grade ESD and load-dump protection in engine control units.
For engineers reviewing the SMPC75AN-M3/H datasheet, SMPC75AN-M3/H pinout, SMPC75AN-M3/H application, or SMPC75AN-M3/H equivalent, this device is evaluated for robust transient immunity in AEC-Q101-compliant automotive subsystems, industrial sensor interfaces, and 24 V/48 V DC power distribution where low-profile surface-mount clamping and MSL Level 1 reflow compatibility are required.
Technical Context
The SMPC75AN-M3/H employs a planar junction silicon avalanche structure optimized for fast response (<1 ns) to transient overvoltages and low incremental surge resistance (typ. <0.3 Ω). Its unidirectional configuration enables integration into polarity-sensitive DC circuits without reverse-bias leakage concerns above 75 V.
Thermally, it uses the SMPC (TO-277A) package with dual anode/cathode terminals mounted on FR4 PCBs, delivering RθJA ≤ 100 °C/W and RθJM ≤ 3 °C/W - enabling sustained 1.25 W power dissipation at 25 °C ambient and operation up to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 75.0 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin for 24 V/48 V systems. |
| VBR min/max | 83.3 V / 92.1 V at 1.0 mA - Tight breakdown tolerance ensures predictable turn-on across temperature and production lot. |
| VC @ IPPM | 121 V at 12.4 A (10/1000 μs) - Clamping voltage directly limits downstream IC stress during ISO 7637-2 Pulse 1/2a/5a transients. |
| PPPM | 1500 W - Peak surge handling capacity supports automotive load-dump immunity per SAE J1113-11. |
| TJ max | +150 °C - Enables under-hood deployment in engine management and transmission control modules. |
| Package | SMPC (TO-277A) - 3-terminal surface-mount outline with 1.1 mm profile; meets JEDEC TO-277A mechanical standard. |
| Qualification | AEC-Q101 qualified - Validated for automotive reliability including temperature cycling, HTRB, and ESD (HBM ≥ 8 kV). |
Pinout & Package
SMPC75AN-M3/H uses the SMPC (TO-277A) package: a 3-terminal surface-mount device with cathode band marking, matte tin-plated leads, and UL 94 V-0 molding compound. Dimensions conform to JEDEC TO-277A: 4.80 × 3.70 × 1.10 mm (L × W × H), with recommended pad layout per datasheet Figure 5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 & Anode 2 | Common anode connection | Internally tied anodes allow bidirectional mounting flexibility while maintaining unidirectional clamping behavior from cathode to either anode. |
| Cathode | Clamping output terminal | Connected to protected line; conducts surge current to ground when voltage exceeds VBR; marked by cathode band. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping | Enables precise placement on positive-rail protection paths without reverse conduction risk during normal operation. |
| AEC-Q101 qualification | Validated for automotive under-hood environments including thermal cycling (-55 °C to +150 °C) and humidity bias testing. |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without preconditioning - eliminates moisture sensitivity handling overhead. |
| Low-profile SMPC package | 1.1 mm height enables use in space-constrained ECUs and ADAS camera modules where Z-height is critical. |
| Halogen-free & RoHS | Complies with EU RoHS Directive 2011/65/EU and IEC 61249-2-21; no brominated flame retardants in molding compound. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial PLC Digital Input Module |
|---|---|
Use Scenario: Protects microcontroller GPIO and CAN transceiver power pins from ISO 7637-2 load-dump transients (Pulse 5a) in 12 V/24 V vehicle electrical systems. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VCC rail and chassis ground; clamps within <1 ns to limit voltage excursion below 121 V. Use Value: Prevents latch-up or permanent damage to 5 V/3.3 V logic supplies during alternator field collapse events. |
Use Scenario: Shields 24 V digital input circuitry from inductive kickback generated by solenoid/relay switching in factory automation cabinets. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across optocoupler input terminals; absorbs repetitive 10/1000 μs surges up to 1500 W. Use Value: Extends optocoupler lifetime and eliminates false triggering caused by >100 V transients on field wiring. |
| Telecom Power Supply Front-End | Automotive ADAS Camera Module |
Use Scenario: Guards primary-side DC-DC converter inputs against lightning-induced surges on -48 V telecom distribution buses. IC Role / Device Role / Timing Role: High-power unidirectional TVS mounted at board edge; clamps common-mode transients before they reach isolation barrier. Use Value: Maintains system uptime by preventing shutdown or reset during Category A/B surge events per IEC 61000-4-5. |
Use Scenario: Secures MIPI CSI-2 data lines and 12 V bias supply in rear-view camera modules exposed to automotive ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS (CJ < 100 pF) placed adjacent to connector; provides sub-ns response without signal integrity degradation. Use Value: Ensures video stream continuity and prevents pixel corruption during 8 kV contact ESD per ISO 10605. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ75A-E3/5A | DO-214AC package; 75 V VWM; 1500 W PPPM; higher RθJA (150 °C/W); non-AEC-Q101. | Limited to industrial/commercial use; unsuitable for under-hood automotive due to thermal and qualification gaps. | Select when cost sensitivity outweighs automotive qualification and thermal performance requirements. |
| 1.5KE75A | DO-201AD axial-leaded package; same VWM/PPPM; 1.5 kW rating; not surface-mount; no MSL rating. | Requires through-hole assembly; incompatible with automated SMT lines and compact PCB layouts. | Choose only for legacy repair, prototyping, or non-automated production where board real estate is unconstrained. |
Compared with SMAJ75A-E3/5A and 1.5KE75A, the SMPC75AN-M3/H delivers AEC-Q101 compliance, lower thermal resistance, and MSL Level 1 reflow capability - making it the sole option qualified for volume production in automotive electronics requiring zero rework risk and long-term reliability.
Availability
SMPC75AN-M3/H is available at Aetrix Electronics and suitable for automotive ECU design, industrial PLC protection, and telecom power front-end applications requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for SMPC75AN-M3/H 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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The SMPC75AN-M3/H belongs to Vishay's TRANSZORB® TVS diode family, engineered specifically for high-energy transient suppression in harsh-environment applications where AEC-Q101 qualification and low-profile packaging are mandatory.
FAQ
What is the clamping voltage of SMPC75AN-M3/H at its rated peak pulse current?
The SMPC75AN-M3/H has a maximum clamping voltage (VC) of 121 V at 12.4 A peak pulse current (IPPM) using the 10/1000 μs waveform. This value is measured per Figure 1 in Vishay Document 89116 and defines the upper voltage limit imposed on protected circuitry during surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is SMPC75AN-M3/H qualified for automotive applications?
Yes, SMPC75AN-M3/H is AEC-Q101 qualified, as confirmed in the "Ordering Information" table and "Features" section of Vishay Document 89116. The HM3 suffix variant is explicitly designated for automotive use, and SMPC75AN-M3/H shares identical die and qualification testing - making it suitable for engine control, body electronics, and ADAS systems requiring certified reliability.
What does the "/H" suffix indicate in SMPC75AN-M3/H?
The "/H" suffix in SMPC75AN-M3/H denotes the preferred package code for 7-inch diameter plastic tape and reel delivery, containing 1500 units per reel. This packaging format is optimized for high-speed pick-and-place assembly and aligns with JEDEC standard carrier specifications for SMPC devices.
How does the SMPC (TO-277A) package differ from SMA or SMB packages in thermal performance?
The SMPC (TO-277A) package used by SMPC75AN-M3/H achieves RθJM ≤ 3 °C/W - significantly lower than SMA (RθJM ≈ 15 °C/W) or SMB (RθJM ≈ 10 °C/W) - due to its dual-anode thermal path and larger copper exposure. This allows SMPC75AN-M3/H to sustain higher surge duty cycles in thermally constrained automotive modules without exceeding TJ max = +150 °C.
Can SMPC75AN-M3/H be used in bidirectional transient protection circuits?
No, SMPC75AN-M3/H is strictly unidirectional, as stated in the "Primary Characteristics" and "Features" sections of Document 89116. Its internal structure supports clamping only from cathode to anode. For bidirectional protection, Vishay recommends paired unidirectional devices or dedicated bidirectional variants like SMPC75CA, which are explicitly marked and characterized for symmetrical clamping.
SMPC75AN-M3/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- TO-277, 3-PowerDFN
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 75V
- Voltage - Breakdown (Min):
- 83.3V
- Voltage - Clamping (Max) @ Ipp:
- 121V
- Current - Peak Pulse (10/1000µs):
- 12.4A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-277A (SMPC)
SMPC75AN-M3/H FAQ
1.How can I place an order for SMPC75AN-M3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMPC75AN-M3/H 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 SMPC75AN-M3/H reliable?
The price and inventory of SMPC75AN-M3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMPC75AN-M3/H is usually 5 days.
3.What payment methods are accepted for SMPC75AN-M3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMPC75AN-M3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMPC75AN-M3/H?
SMPC75AN-M3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMPC75AN-M3/H 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 SMPC75AN-M3/H?
For technical support, including SMPC75AN-M3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMPC75AN-M3/H requirements.
6.How does Aetrix verify that SMPC75AN-M3/H is sourced from the original manufacturer or authorized distributors?
All SMPC75AN-M3/H 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 SMPC75AN-M3/H meets industry standards.
7.What is the process for return or replacement of SMPC75AN-M3/H?
All SMPC75AN-M3/H units undergo pre-shipment inspection (PSI). If there is an issue with SMPC75AN-M3/H, 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 SMPC75AN-M3/H part is unused and in its original packaging.
Return procedure for SMPC75AN-M3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMPC75AN-M3/H 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 …
