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Vishay General Semiconductor - Diodes Division 1.5KE7.5AHE3_A/C
- Part No.:
- 1.5KE7.5AHE3_A/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE7.5AHE3_A/C.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:4,560
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Product details
Overview
1.5KE7.5AHE3_A/C from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary-side overvoltage protection in DC power rails and signal lines. It features a 7.13 V to 7.88 V breakdown voltage (VBR) at 10 mA, 6.40 V maximum working voltage (VWM), 11.3 V clamping voltage (VC) at 133 A peak pulse current, and 1500 W peak pulse power rating with 10/1000 µs waveform.
For engineers reviewing the 1.5KE7.5AHE3_A/C datasheet, 1.5KE7.5AHE3_A/C pinout, 1.5KE7.5AHE3_A/C application, or 1.5KE7.5AHE3_A/C equivalent, this device serves as a robust, AEC-Q101-qualified transient suppressor for automotive power supply inputs, industrial sensor interfaces, and DC-DC converter input stages where fast response (<1 ns), low clamping ratio, and high surge robustness are required.
Technical Context
This unidirectional TVS diode operates by avalanche breakdown to clamp transient voltages above its VBR, limiting downstream voltage stress during ESD, lightning-induced surges, or inductive switching events. Its glass-passivated junction ensures stable leakage and repeatable breakdown characteristics across temperature.
It delivers 133 A peak pulse current (IPPM) under 10/1000 µs waveform while maintaining a clamping voltage of 11.3 V - yielding a clamping ratio (VC/VBR) of ~1.54 - and exhibits a low incremental surge resistance enabling effective energy diversion without thermal runaway.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 7.13 V / 7.88 V at 10 mA test current - defines precise avalanche onset threshold for reliable overvoltage triggering |
| VWM | 6.40 V - maximum continuous reverse operating voltage; must exceed circuit's normal DC rail to avoid leakage conduction |
| VC @ IPPM | 11.3 V at 133 A - clamped voltage seen by protected IC during worst-case 1500 W transient, limiting stress on downstream components |
| IPPM | 133 A - peak surge current capability under standardized 10/1000 µs waveform, supporting IEC 61000-4-5 Level 4 compliance |
| PPPM | 1500 W - peak pulse power handling capacity, enabling protection against high-energy transients without failure |
| TJ max. | +175 °C - maximum junction temperature rating, supporting operation in under-hood automotive and industrial environments |
| Leakage @ VWM | 500 µA - low reverse leakage ensures minimal standby power loss and no false triggering in nominal conditions |
Pinout & Package
Package: Case Style 1.5KE - axial-leaded, molded epoxy body meeting UL 94 V-0 flammability rating; matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to lower-potential side (e.g., ground or return path); enables bidirectional surge shunting when used in back-to-back configuration |
| Cathode | Current exit terminal in forward bias; marked with color band | Connected to protected line (e.g., +12 V rail); avalanche conduction initiates here during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures stable VBR tolerance, low leakage drift over time, and immunity to humidity-induced parameter shift |
| 1500 W peak pulse power (10/1000 µs) | Supports robust protection against high-energy transients per IEC 61000-4-5, including indirect lightning surges |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive applications including engine control units, body electronics, and ADAS power domains |
| Fast response time < 1 ns | Clamps transients before sensitive ICs experience damaging overvoltage - critical for protecting MOSFET gates and microcontroller I/O |
| Low clamping ratio (VC/VBR ≈ 1.54) | Minimizes voltage overshoot during clamping, reducing risk of latch-up or oxide breakdown in protected devices |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: 12 V battery-fed ECUs exposed to load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role: Primary overvoltage clamp placed between battery rail and DC-DC input stage. Use Value: Limits transient voltage to ≤11.3 V, preventing damage to buck controller ICs rated for 16 V absolute maximum. |
Use Scenario: 4–20 mA current loop interface in factory automation PLC modules subjected to field wiring ESD and inductive kickback. IC Role / Device Role: Low-capacitance TVS placed across analog input terminals before signal conditioning amplifier. Use Value: Clamps 8 kV contact ESD (IEC 61000-4-2) without distorting low-level analog signals due to sub-1 ns response. |
| DC-DC Converter Input Stage | Consumer Power Adapter Output Rail |
Use Scenario: 24 V input to isolated flyback converter in industrial HMI, subject to capacitive discharge and relay bounce. IC Role / Device Role: Unidirectional TVS connected anode-to-ground, cathode-to-input rail ahead of primary-side MOSFET and controller. Use Value: Absorbs 1500 W surge energy while holding rail voltage below 12 V, avoiding controller UVLO dropout or gate oxide overstress. |
Use Scenario: 5 V USB-C PD output port in smart home hub exposed to user-handling ESD and cable coupling. IC Role / Device Role: Secondary-side TVS on VBUS line, downstream of protection FET and upstream of USB switch IC. Use Value: Provides <1 ns clamping with 500 µA leakage at 5.5 V, ensuring no impact on USB enumeration timing or voltage regulation accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.0A | Lower PPPM (600 W), smaller SMB package (surface-mount), VBR = 7.78–8.60 V, VC = 12.0 V @ 50 A | Not suitable for IEC 61000-4-5 Level 4; limited to board-level ESD and low-energy transients | Select when space-constrained PCB layout requires SMT mounting and surge requirements are ≤600 W |
| 1.5KE7.5A-E3/54 | Same electrical specs and 1.5KE package, but commercial-grade (non-AEC-Q101), RoHS-compliant, tape-and-reel delivery (1400 pcs/reel) | Lacks automotive qualification; not recommended for under-hood or safety-critical systems | Choose for cost-sensitive industrial or consumer designs where AEC-Q101 is not mandated |
Compared with SMBJ7.0A, 1.5KE7.5AHE3_A/C delivers 2.5× higher surge power handling and proven automotive reliability; compared with 1.5KE7.5A-E3/54, it adds AEC-Q101 qualification and enhanced whisker resistance (JESD 201 Class 2), making it suitable for mission-critical automotive power domains.
Availability
1.5KE7.5AHE3_A/C is available at Aetrix Electronics and suitable for automotive power distribution modules, industrial sensor interface boards, and DC-DC converter input protection requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for 1.5KE7.5AHE3_A/C 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 efficiency, and automotive-grade qualification.
The 1.5KE series was engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications where robustness, consistency, and AEC-Q101 compliance are mandatory.
FAQ
What is the breakdown voltage range of the 1.5KE7.5AHE3_A/C?
The 1.5KE7.5AHE3_A/C has a guaranteed breakdown voltage (VBR) range of 7.13 V to 7.88 V at 10 mA test current, measured per JEDEC standard. This tight tolerance ensures consistent clamping behavior across production lots and supports precise overvoltage margining in protected circuits. The value is confirmed in Vishay's official datasheet document 88301, revision 09-Aug-2022.
Is the 1.5KE7.5AHE3_A/C suitable for automotive applications?
Yes, the 1.5KE7.5AHE3_A/C is AEC-Q101 qualified (as indicated by the HE3 suffix), making it suitable for automotive applications including engine control units, body control modules, and ADAS power supplies. It meets rigorous stress testing for temperature cycling, humidity, mechanical shock, and surge robustness required for under-hood and chassis-mounted electronics.
What is the clamping voltage of the 1.5KE7.5AHE3_A/C at its rated peak pulse current?
The 1.5KE7.5AHE3_A/C clamps to a maximum of 11.3 V at its rated peak pulse current of 133 A (10/1000 µs waveform). This clamping voltage is measured under standardized surge conditions and represents the maximum voltage imposed on protected circuitry during worst-case transient events - a key parameter for validating downstream IC survivability.
How does the 1.5KE7.5AHE3_A/C differ from the 1.5KE7.5A-E3/54 variant?
The 1.5KE7.5AHE3_A/C differs from 1.5KE7.5A-E3/54 in three key ways: it carries AEC-Q101 qualification (required for automotive), uses JESD 201 Class 2 whisker-resistant plating (vs. Class 1A), and is supplied in bulk or custom packaging (A/C suffix), whereas 1.5KE7.5A-E3/54 is commercial-grade only and shipped in 13" tape-and-reel (54 code). Both share identical electrical specs and 1.5KE package.
What is the maximum working voltage (VWM) for the 1.5KE7.5AHE3_A/C?
The maximum working voltage (VWM) for the 1.5KE7.5AHE3_A/C is 6.40 V. This is the highest DC or RMS voltage that can be continuously applied without causing significant leakage current (>500 µA) or premature conduction. Designers must ensure system operating voltage remains below this value to prevent unintended conduction and power loss.
1.5KE7.5AHE3_A/C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.4V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.3V
- Current - Peak Pulse (10/1000µs):
- 133A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 1.5KE
1.5KE7.5AHE3_A/C FAQ
1.How can I place an order for 1.5KE7.5AHE3_A/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE7.5AHE3_A/C 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 1.5KE7.5AHE3_A/C reliable?
The price and inventory of 1.5KE7.5AHE3_A/C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE7.5AHE3_A/C is usually 5 days.
3.What payment methods are accepted for 1.5KE7.5AHE3_A/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE7.5AHE3_A/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE7.5AHE3_A/C?
1.5KE7.5AHE3_A/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE7.5AHE3_A/C 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 1.5KE7.5AHE3_A/C?
For technical support, including 1.5KE7.5AHE3_A/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE7.5AHE3_A/C requirements.
6.How does Aetrix verify that 1.5KE7.5AHE3_A/C is sourced from the original manufacturer or authorized distributors?
All 1.5KE7.5AHE3_A/C 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 1.5KE7.5AHE3_A/C meets industry standards.
7.What is the process for return or replacement of 1.5KE7.5AHE3_A/C?
All 1.5KE7.5AHE3_A/C units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE7.5AHE3_A/C, 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 1.5KE7.5AHE3_A/C part is unused and in its original packaging.
Return procedure for 1.5KE7.5AHE3_A/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE7.5AHE3_A/C Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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onsemi
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Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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