My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMA5J6.5AHE3/5A
- Part No.:
- SMA5J6.5AHE3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J6.5AHE3/5A.pdf
- Description:
- TVS DIODE 6.5VWM 11.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,376
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMA5J6.5AHE3/5A from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMA (DO-214AC) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 6.5 V stand-off voltage (VWM), 7.22–7.98 V breakdown voltage (VBR) at 10 mA, 500 W peak pulse power (10/1000 μs), 44.6 A peak pulse current (IPPM), and clamps to ≤11.2 V at rated surge. It is AEC-Q101 qualified and RoHS-compliant, used in automotive power supply input protection.
For engineers reviewing the SMA5J6.5AHE3/5A datasheet, SMA5J6.5AHE3/5A pinout, SMA5J6.5AHE3/5A application, or SMA5J6.5AHE3/5A equivalent, key selection criteria include clamping voltage under 500 W surge, unidirectional polarity with cathode band marking, AEC-Q101 qualification status, thermal resistance (RθJA = 80 °C/W), and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector triggered by transient overvoltage events exceeding its VWM of 6.5 V. Its glass-passivated junction enables fast response (<1 ns) and low incremental surge resistance, critical for safeguarding MOSFET gates and microcontroller I/O against ESD and load-switching spikes.
The device is rated for non-repetitive 10/1000 μs surges up to 500 W at TA = 25 °C, with derating above 25 °C per Fig. 2. Junction temperature range spans −55 °C to +150 °C, and it meets MSL Level 1 (260 °C peak reflow), supporting lead-free assembly without moisture sensitivity concerns.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - Maximum continuous reverse operating voltage before clamping begins; sets minimum system rail margin for reliable standby operation. |
| VBR min/max | 7.22 V / 7.98 V at IT = 10 mA - Confirmed breakdown threshold range; ensures predictable turn-on across production lot and temperature. |
| VC @ IPPM | ≤11.2 V at 44.6 A - Clamping voltage during full-rated 500 W surge; defines worst-case overvoltage seen by protected ICs. |
| PPPM | 500 W (10/1000 μs) - Peak surge energy handling capacity; determines survivability against ISO 7637-2 Pulse 1/2a/5a transients. |
| TJ max | +150 °C - Maximum junction temperature rating; supports under-hood automotive environments with sustained ambient up to +125 °C. |
| RθJA | 80 °C/W - Thermal resistance junction-to-ambient on standard 5.0 mm × 5.0 mm pads; informs PCB copper area requirements for thermal management. |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, low-profile plastic case with matte tin-plated leads. Polarity indicated by cathode band on one end; unidirectional configuration only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lowest potential node; completes shunt path during overvoltage event. |
| Cathode (banded end) | High-side surge input terminal | Connected to protected line (e.g., 12 V battery rail); conducts when line voltage exceeds VWM + dynamic margin. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JESD22 standards. |
| Glass passivated junction | Enables sub-nanosecond response time and stable leakage performance (<500 μA at VWM) over lifetime and temperature. |
| MSL Level 1 (260 °C) | Permits single-reflow soldering without baking; eliminates moisture-related popcorning risk in high-volume SMT lines. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ISO 16750-2 load dump edges), improving clamping fidelity. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
Use Scenario: 12 V battery rail protection in body control modules against load dump (ISO 7637-2 Pulse 5a) and jump-start surges. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between battery feed and DC-DC converter input. Use Value: Clamps transients to ≤11.2 V, preventing damage to downstream 16 V-rated input capacitors and controller ICs. |
Use Scenario: Analog sensor output line (e.g., pressure or temperature sensor in motor drive enclosure) exposed to EFT bursts. IC Role / Device Role / Timing Role: Low-capacitance TVS connected between signal line and ground, adjacent to connector entry point. Use Value: Sub-ns response limits induced overvoltage to <12 V, preserving ADC reference integrity and avoiding latch-up in op-amp front-end. |
| Consumer USB Power Port Surge Guard | Telecom PoE Interface Protection |
Use Scenario: 5 V USB Type-C port on smart home hub subjected to human-body-model ESD (±8 kV contact). IC Role / Device Role / Timing Role: Primary-level TVS mounted directly at USB connector, upstream of USB PD controller. Use Value: 500 W rating absorbs multiple ESD strikes without degradation; RoHS/HE3 compliance meets regional regulatory requirements. |
Use Scenario: Data pair protection on IEEE 802.3af/at PoE injector side facing field wiring with lightning-induced surges. IC Role / Device Role / Timing Role: Bidirectional-capable design not applicable; SMA5J6.5AHE3/5A used on DC bias line (not data pair) for auxiliary power monitoring. Use Value: 6.5 V VWM aligns with 5 V auxiliary sensing rail; AEC-Q101 qualification adds margin for outdoor telecom cabinet thermal stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J6.5A-E3/5A | No AEC-Q101 qualification; commercial grade only; identical electrical specs and package. | Not suitable for automotive OEM or Tier-1 designs requiring automotive qualification evidence. | Select when cost sensitivity outweighs automotive qualification needs and environmental stress is limited to industrial/commercial ambient. |
| SMA5J6.5AHE3/61 | Same AEC-Q101 qualification and electrical specs; differs only in tape-and-reel packaging (1800 pcs vs. 7500 pcs per reel). | No functional difference; choice driven solely by production volume and SMT feeder compatibility. | Select when matching existing 7" reel logistics or smaller batch prototyping runs are required. |
Compared with SMA5J6.5AHE3/5A, the E3/5A variant lacks automotive qualification but offers identical surge performance at lower cost, while the HE3/61 variant provides identical qualification and specs in a smaller reel format-enabling flexibility in procurement scale without compromising design-in assurance.
Availability
SMA5J6.5AHE3/5A is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and consumer USB port surge mitigation requiring stable component supply and long-term lifecycle support.
Supply support for SMA5J6.5AHE3/5A 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, power density, and automotive-grade validation.
The SMA5J series is engineered for high-power-density transient suppression in space-constrained, high-reliability applications-including automotive ECUs, industrial PLCs, and telecom infrastructure-where robust 500 W surge handling and AEC-Q101 compliance are mandatory.
FAQ
What is the clamping voltage of the SMA5J6.5AHE3/5A under full-rated surge conditions?
The SMA5J6.5AHE3/5A clamps to a maximum of 11.2 V when subjected to its rated 44.6 A peak pulse current (IPPM) under a 10/1000 μs waveform. This value is measured at the device terminals with standard 5.0 mm × 5.0 mm copper pads and defines the upper voltage limit imposed on protected circuitry during worst-case transient events. The SMA5J6.5AHE3/5A maintains this clamping performance across its qualified operating temperature range.
Is the SMA5J6.5AHE3/5A suitable for bidirectional transient protection?
No, the SMA5J6.5AHE3/5A is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. It conducts only when the cathode is positive relative to the anode. For bidirectional protection, Vishay specifies the "CA" suffix (e.g., SMA5J6.5CA). Using SMA5J6.5AHE3/5A in AC or floating-signal applications without proper polarity alignment will result in improper clamping or failure to protect.
Does the SMA5J6.5AHE3/5A meet automotive qualification requirements?
Yes, the SMA5J6.5AHE3/5A is explicitly AEC-Q101 qualified, as confirmed by the "HE3" suffix and documentation in Vishay's 88875 datasheet (Revision 09-Jan-2024). This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and ESD, making the SMA5J6.5AHE3/5A suitable for automotive powertrain, chassis, and body electronics where component reliability is mission-critical.
What is the maximum steady-state reverse leakage current for the SMA5J6.5AHE3/5A at rated VWM?
At its 6.5 V stand-off voltage (VWM) and TA = 25 °C, the SMA5J6.5AHE3/5A exhibits a maximum reverse leakage current (ID) of 500 μA. This value is specified in the Electrical Characteristics table and remains within acceptable limits for low-power sensor rails and always-on circuits. Leakage increases with temperature but stays below 1 mA up to TJ = 125 °C per derating curves.
What PCB pad layout is recommended for optimal thermal and surge performance of the SMA5J6.5AHE3/5A?
Vishay specifies mounting the SMA5J6.5AHE3/5A on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated 500 W pulse power and thermal resistance (RθJA = 80 °C/W). Reducing pad size degrades both surge capability and thermal dissipation. The SMA5J6.5AHE3/5A datasheet Figure 2 provides derating guidance above 25 °C ambient, confirming that full rating requires adherence to this minimum copper area.
SMA5J6.5AHE3/5A 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.5V
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 44.6A
- 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)
SMA5J6.5AHE3/5A FAQ
1.How can I place an order for SMA5J6.5AHE3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J6.5AHE3/5A 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 SMA5J6.5AHE3/5A reliable?
The price and inventory of SMA5J6.5AHE3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA5J6.5AHE3/5A is usually 5 days.
3.What payment methods are accepted for SMA5J6.5AHE3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J6.5AHE3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J6.5AHE3/5A?
SMA5J6.5AHE3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J6.5AHE3/5A 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 SMA5J6.5AHE3/5A?
For technical support, including SMA5J6.5AHE3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J6.5AHE3/5A requirements.
6.How does Aetrix verify that SMA5J6.5AHE3/5A is sourced from the original manufacturer or authorized distributors?
All SMA5J6.5AHE3/5A 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 SMA5J6.5AHE3/5A meets industry standards.
7.What is the process for return or replacement of SMA5J6.5AHE3/5A?
All SMA5J6.5AHE3/5A units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J6.5AHE3/5A, 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 SMA5J6.5AHE3/5A part is unused and in its original packaging.
Return procedure for SMA5J6.5AHE3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMA5J6.5AHE3/5A 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 …
