My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMA5J7.5CAHE3/61
- Part No.:
- SMA5J7.5CAHE3/61
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J7.5CAHE3/61.pdf
- Description:
- TVS DIODE 7.5VWM 12.9VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,565
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMA5J7.5CAHE3/61 from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping voltage transients on power and signal lines. It features a 7.5 V stand-off voltage (VWM), 8.33–9.21 V breakdown voltage (VBR) at 1 mA, 12.9 V maximum clamping voltage (VC) at 38.8 A peak pulse current (IPPM), and 500 W peak pulse power (PPPM) with 10/1000 µs waveform - used in automotive sensor protection and industrial I/O interface surge hardening.
For engineers reviewing the SMA5J7.5CAHE3/61 datasheet, SMA5J7.5CAHE3/61 pinout, SMA5J7.5CAHE3/61 application, or SMA5J7.5CAHE3/61 equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, low clamping ratio (VC/VBR ≈ 1.55), RoHS-compliant matte tin terminals, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, with no polarity marking on the device body. Its glass-passivated junction ensures stable breakdown characteristics and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced surges, and inductive switching transients.
Thermal performance is defined by RθJA = 80 °C/W and RθJL = 25 °C/W, supporting reliable operation up to TJ = 150 °C. The device is rated for non-repetitive 10/1000 µs surge pulses and meets J-STD-020 MSL Level 1 (260 °C peak reflow).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 7.5 V - reverse stand-off voltage; defines maximum continuous operating voltage before significant leakage begins. |
| VBR min/max | 8.33 V / 9.21 V at IT = 1 mA - guaranteed breakdown range ensuring predictable clamping onset across production lots. |
| VC @ IPPM | 12.9 V at 38.8 A - clamping voltage under 500 W 10/1000 µs surge; determines protected circuit's maximum transient exposure. |
| PPPM | 500 W - peak pulse power rating; defines single-event surge energy handling capacity without failure. |
| ID @ VWM | 100 µA max - reverse leakage at stand-off voltage; critical for low-power sensor and battery-backed circuits. |
| TJ max | +150 °C - maximum junction temperature; enables use in under-hood automotive and high-ambient industrial environments. |
| Package | SMA (DO-214AC) - surface-mount package with 5.28 mm × 4.50 mm footprint and 2.29 mm height; optimized for high-density PCB layouts. |
Pinout & Package
Package: SMA (DO-214AC), bidirectional configuration - no cathode band or polarity marking; both terminals are electrically symmetrical.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals serve identical roles; connects across protected line and ground (or between differential lines) without orientation dependency. |
| Case (body) | Non-electrical mechanical interface | Plastic-molded DO-214AC housing provides UL 94 V-0 flammability rating and mechanical robustness for automated handling. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules, ADAS sensors, and infotainment power rails. |
| Glass passivated junction | Ensures stable VBR over temperature and lifetime, minimizing parameter drift in harsh thermal cycling environments. |
| Low incremental surge resistance | Enables tighter VC/VBR ratio (≈1.55), reducing voltage overshoot during fast transients compared to standard TVS diodes. |
| MSL Level 1 compliance | Supports lead-free reflow soldering at 260 °C peak without moisture-induced damage or popcorn effect. |
| Matte tin plated leads | Guarantees solderability per J-STD-002 and JESD 22-B102, with JESD 201 Class 2 whisker resistance for long-term reliability. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and chassis ground, absorbing transients before they reach sensitive analog front-ends. Use Value: Maintains signal integrity during 500 W surges while holding clamped voltage below 13 V - within safe input range of most automotive-grade op-amps and ADCs. |
Use Scenario: Safeguarding digital input/output channels on programmable logic controllers exposed to relay coil kickback and motor drive noise. IC Role / Device Role / Timing Role: Parallel-connected transient suppressor on 24 V DC I/O lines, triggered within <1 ns to limit voltage excursion during inductive turn-off events. Use Value: Prevents false triggering and latch-up in microcontroller GPIOs by clamping transients to ≤12.9 V, even under repeated 10/1000 µs surges. |
| Telecom Power Rail Protection | Consumer USB Port ESD Hardening |
Use Scenario: Shielding 12 V/48 V telecom power distribution networks from lightning-induced surges entering via external cabling. IC Role / Device Role / Timing Role: Primary-level TVS on bulk power rail, coordinated with downstream MOVs and polymer PTCs for staged surge suppression. Use Value: Handles 500 W single-event surges without degradation, maintaining VWM stability across -55 °C to +150 °C ambient range. |
Use Scenario: Adding secondary-level surge immunity to USB 2.0 data lines and VBUS in smart home hubs and set-top boxes. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp placed differentially across D+/D− and common-mode across VBUS/GND. Use Value: Delivers <100 µA leakage at 7.5 V - preserving USB suspend current budget - while suppressing ±15 kV contact ESD per IEC 61000-4-2. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J7.5CA-M3/61 | Halogen-free, RoHS-compliant variant; identical electrical specs and AEC-Q101 qualification; same SMA package and thermal performance. | No functional difference; selected where halogen-free material compliance is mandated by OEM or regional environmental regulations. | Choose SMA5J7.5CA-M3/61 when halogen-free bill-of-materials is required; otherwise SMA5J7.5CAHE3/61 offers identical protection with standard RoHS compliance. |
| SMCJ7.5CAHE3/61 | Same VWM/VBR/VC ratings but in larger SMC (DO-214AB) package; higher thermal mass yields RθJA = 35 °C/W vs. 80 °C/W; 1500 W PPPM rating. | Better suited for high-energy, lower-frequency surges (e.g., load dump); less suitable for space-constrained layouts due to 7.11 mm × 6.22 mm footprint. | Select SMA5J7.5CAHE3/61 for compact designs needing 500 W protection; choose SMCJ7.5CAHE3/61 only when board area allows and >1 kW surge margin is required. |
Compared with SMA5J7.5CA-M3/61, the SMA5J7.5CAHE3/61 differs only in halogen content compliance, not performance; versus SMCJ7.5CAHE3/61, it trades surge energy headroom (500 W vs. 1500 W) for 45 % smaller PCB area and faster thermal response in dense layouts.
Availability
SMA5J7.5CAHE3/61 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom power rail protection requiring stable component supply, AEC-Q101 qualification, and RoHS compliance.
Supply support for SMA5J7.5CAHE3/61 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 protection devices with emphasis on reliability, automotive qualification, and high-power density packaging.
The SMA5J series is engineered for high-energy transient suppression in space-constrained applications, targeting automotive, industrial, and telecom systems where AEC-Q101 compliance and consistent clamping performance are mandatory.
FAQ
What does the "CA" suffix indicate in SMA5J7.5CAHE3/61?
The "CA" suffix denotes a bidirectional configuration - meaning the SMA5J7.5CAHE3/61 provides symmetrical transient suppression in both polarities, with identical VBR, VC, and IPPM characteristics regardless of voltage polarity applied. This eliminates orientation concerns during placement and supports differential-line or AC-coupled protection schemes without external polarity management.
Is SMA5J7.5CAHE3/61 suitable for automotive applications?
Yes, SMA5J7.5CAHE3/61 is AEC-Q101 qualified and explicitly designated for automotive use with the "HE3" suffix. It meets stringent requirements for temperature cycling, humidity resistance, and surge robustness, making it appropriate for engine control units, body electronics, ADAS camera modules, and infotainment power rails where reliability under vibration and thermal stress is critical.
What is the maximum clamping voltage of SMA5J7.5CAHE3/61 under surge conditions?
The SMA5J7.5CAHE3/61 has a maximum clamping voltage (VC) of 12.9 V at its rated peak pulse current (IPPM) of 38.8 A, tested with a 10/1000 µs waveform. This value is guaranteed across the full operating temperature range (-55 °C to +150 °C) and defines the upper voltage limit imposed on protected circuitry during transient events.
How does the SMA5J7.5CAHE3/61 differ from unidirectional variants like SMA5J7.5AHE3/61?
Unlike the unidirectional SMA5J7.5AHE3/61 - which features a cathode band and conducts only in reverse bias - the SMA5J7.5CAHE3/61 has no polarity marking and clamps equally in both directions. Its VBR and VC values apply identically for positive and negative transients, enabling use in AC signal paths or floating differential buses where polarity reversal is possible.
What PCB pad layout is recommended for optimal thermal performance of SMA5J7.5CAHE3/61?
Vishay specifies mounting SMA5J7.5CAHE3/61 on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated PPPM and thermal resistance. Smaller pads increase RθJA, reducing surge capability; internal copper planes and thermal vias beneath pads further improve heat dissipation and sustain repeated surge events without junction overheating.
SMA5J7.5CAHE3/61 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 7.5V
- Voltage - Breakdown (Min):
- 8.33V
- Voltage - Clamping (Max) @ Ipp:
- 12.9V
- Current - Peak Pulse (10/1000µs):
- 38.8A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMA5J7.5CAHE3/61 FAQ
1.How can I place an order for SMA5J7.5CAHE3/61 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J7.5CAHE3/61 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 SMA5J7.5CAHE3/61 reliable?
The price and inventory of SMA5J7.5CAHE3/61 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA5J7.5CAHE3/61 is usually 5 days.
3.What payment methods are accepted for SMA5J7.5CAHE3/61?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J7.5CAHE3/61 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J7.5CAHE3/61?
SMA5J7.5CAHE3/61 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J7.5CAHE3/61 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 SMA5J7.5CAHE3/61?
For technical support, including SMA5J7.5CAHE3/61 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J7.5CAHE3/61 requirements.
6.How does Aetrix verify that SMA5J7.5CAHE3/61 is sourced from the original manufacturer or authorized distributors?
All SMA5J7.5CAHE3/61 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 SMA5J7.5CAHE3/61 meets industry standards.
7.What is the process for return or replacement of SMA5J7.5CAHE3/61?
All SMA5J7.5CAHE3/61 units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J7.5CAHE3/61, 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 SMA5J7.5CAHE3/61 part is unused and in its original packaging.
Return procedure for SMA5J7.5CAHE3/61:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMA5J7.5CAHE3/61 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…
