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Vishay General Semiconductor - Diodes Division 1.5KE110CAHE3_B/C
- Part No.:
- 1.5KE110CAHE3_B/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE110CAHE3_B/C.pdf
- Description:
- 1.5KW,110V 5%,BIDIR,AXIAL TVS
- Quantity:
- Payment:
- Shipping:
Inventory:8,607
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Product details
Overview
1.5KE110CAHE3_B/C from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 110 V breakdown voltage (VBR = 105–116 V), 1500 W peak pulse power (10/1000 µs), clamping voltage of 152 V at 9.9 A, and operates across –55 °C to +175 °C junction temperature. It is used to protect MOSFETs, ICs, and sensor interfaces against lightning-induced transients and inductive switching surges in industrial and automotive systems.
For engineers reviewing the 1.5KE110CAHE3_B/C datasheet, 1.5KE110CAHE3_B/C pinout, 1.5KE110CAHE3_B/C application, or 1.5KE110CAHE3_B/C equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, JEDEC 1.5KE package dimensions, thermal resistance (RθJL = 15.4 °C/W), and real-world clamping behavior under standardized surge waveforms.
Technical Context
This bidirectional TVS diode employs a glass-passivated silicon junction optimized for fast transient response (<1 ns) and low incremental surge resistance. Its symmetrical clamping characteristic ensures identical protection in both polarities, with no polarity marking on the case - distinguishing it from unidirectional variants that use a cathode band.
The device complies with JEDEC standard 1.5KE case style, supports 10/1000 µs waveform testing per REA P.E. 60, and meets JESD 201 Class 2 whisker resistance (HE3 suffix). It is rated for 1500 W non-repetitive peak pulse power and derates linearly above 25 °C ambient per Fig. 2 in the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 105 V / 116 V - guaranteed breakdown threshold defines minimum clamping onset; critical for coordination with downstream IC absolute maximum ratings. |
| VWM | 94.0 V - maximum steady-state reverse standoff voltage; must exceed normal operating voltage to avoid leakage or conduction during nominal operation. |
| VC @ IPPM | 152 V at 9.9 A - clamped voltage during full 1500 W surge; determines worst-case stress on protected circuitry. |
| PPPM | 1500 W - peak pulse power handling capability with 10/1000 µs waveform; validates suitability for IEC 61000-4-5 Level 4 surge immunity designs. |
| TJ max | +175 °C - maximum junction temperature; enables high-temperature deployment in engine compartments or enclosed industrial enclosures. |
| RθJL | 15.4 °C/W - junction-to-lead thermal resistance; informs heatsinking requirements when operating near PD = 6.5 W continuous dissipation limit. |
| ID @ VWM | 1.0 µA - maximum reverse leakage at 94 V; ensures negligible standby current in battery-powered or low-power sensor nodes. |
Pinout & Package
Package: JEDEC 1.5KE molded epoxy case (Case Style 1.5KE), RoHS-compliant, matte tin-plated leads, UL 94 V-0 rated molding compound. Dimensions: 5.3 mm × 5.3 mm × 9.5 mm (L × W × H), lead length 9.5 mm, lead diameter 1.07 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (bidirectional) | Common terminal pair | No polarity marking; terminals are functionally symmetric - either lead may connect to line or ground; enables flexible PCB layout without orientation constraints. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| 1500 W peak pulse power (10/1000 µs) | Validates compliance with IEC 61000-4-5 surge test requirements for industrial equipment and automotive ECUs. |
| AEC-Q101 qualified (HE3_B variant) | Confirms suitability for automotive powertrain and body electronics applications requiring zero-defect reliability. |
| Clamping time < 1 ns | Protects nanosecond-scale logic and high-speed interface ICs before damaging voltage overshoot occurs. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ESD or inductive kick), improving protection margin. |
Applications
| Automotive Power Distribution | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V power rails in vehicle ECUs from load dump and alternator transients. IC Role / Device Role: Primary overvoltage clamp placed upstream of DC-DC converters and microcontrollers. Use Value: Withstands 1500 W surges while clamping below 152 V, preventing latch-up or gate oxide rupture in downstream MOSFETs and PMICs. | Use Scenario: Shielding analog sensor inputs (e.g., pressure, temperature) in PLC modules from field wiring transients. IC Role / Device Role: Bidirectional shunt protector on differential or single-ended signal lines exposed to long cable runs. Use Value: Symmetrical clamping ensures equal protection against positive and negative polarity surges induced by nearby motor switching or lightning coupling. |
| Telecom Line Card Surge Protection | Consumer Appliance Motor Drive Inputs |
Use Scenario: Safeguarding Ethernet PHY power and bias lines in outdoor telecom cabinets subject to lightning-induced surges. IC Role / Device Role: Secondary-level TVS on isolated DC supply rails feeding PHY ICs and magnetics. Use Value: 175 °C max junction temperature rating allows reliable operation in unventilated outdoor enclosures where ambient exceeds 85 °C. | Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machines or HVAC blowers. IC Role / Device Role: Across-motor terminals or across relay coils to absorb stored inductive energy. Use Value: 9.9 A peak pulse current rating handles repetitive motor commutation spikes without degradation, validated per 0.01 % duty cycle spec. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ110CA | Lower peak power (600 W), smaller SMB package (3.6 mm × 4.5 mm), higher RθJA (110 °C/W). | Better suited for space-constrained consumer electronics; insufficient for IEC 61000-4-5 Level 4 industrial surge tests. | Select SMBJ110CA only if board area is critical and surge threat level is limited to IEC 61000-4-2/4-4. |
| 1.5SMC110CA | Same 1500 W rating and 110 V VBR, but SMC package (7.1 mm × 6.2 mm); slightly higher clamping voltage (156 V). | Compatible footprint for manual rework; lower thermal mass may reduce surge endurance under repeated events. | Choose 1.5SMC110CA when existing SMC land pattern exists and minor clamping voltage increase is acceptable. |
Compared with 1.5KE110CAHE3_B/C, SMBJ110CA trades surge robustness for compactness, while 1.5SMC110CA offers mechanical compatibility at the cost of marginally higher clamping and reduced thermal cycling resilience due to smaller die attach area.
Availability
1.5KE110CAHE3_B/C is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, telecom line card surge protection, and consumer appliance motor drive inputs requiring stable component supply and AEC-Q101-qualified reliability.
Supply support for 1.5KE110CAHE3_B/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, ruggedness, and automotive-grade qualification.
The 1.5KE series was engineered specifically for high-energy transient suppression in harsh environments - targeting industrial control, automotive subsystems, and infrastructure equipment where failure modes must be mitigated without compromising long-term stability.
FAQ
What is the breakdown voltage range specified for 1.5KE110CAHE3_B/C?
The 1.5KE110CAHE3_B/C has a guaranteed breakdown voltage range of 105 V to 116 V at 1.0 mA test current (IT). This range is defined per JEDEC standard and ensures consistent clamping behavior across production lots. The 110 in the part number denotes the nominal VBR, but design margins must accommodate the full min/max spread when coordinating with protected IC voltage tolerances. All 1.5KE110CAHE3_B/C units meet this specification at TA = 25 °C.
Is 1.5KE110CAHE3_B/C suitable for automotive applications?
Yes, the HE3_B suffix confirms that 1.5KE110CAHE3_B/C is AEC-Q101 qualified per Note (2) in the Vishay datasheet (Document 88301, Rev. 09-Aug-2022). It is approved for use in automotive powertrain, body, and chassis modules where transient immunity and long-term reliability under thermal cycling are mandatory. The device undergoes stress testing including HTOL, temperature cycling, and mechanical shock per AEC-Q101 requirements.
What does the "CA" suffix mean in 1.5KE110CAHE3_B/C?
The "CA" suffix in 1.5KE110CAHE3_B/C explicitly denotes a bidirectional configuration - meaning the device provides symmetrical transient suppression for both positive and negative voltage excursions. Unlike unidirectional "A" variants (e.g., 1.5KE110A), the CA version has no cathode marking and exhibits identical VBR, VC, and leakage characteristics in either polarity, making it ideal for AC-coupled or floating signal lines.
What is the maximum clamping voltage of 1.5KE110CAHE3_B/C under surge conditions?
The maximum clamping voltage (VC) of 1.5KE110CAHE3_B/C is 152 V, measured at its peak pulse current (IPPM) of 9.9 A using the standardized 10/1000 µs waveform. This value represents the worst-case voltage seen by downstream components during a full-rated 1500 W transient event and is critical for verifying that protected ICs remain within their absolute maximum voltage ratings.
How does the thermal performance of 1.5KE110CAHE3_B/C compare to smaller-package TVS diodes?
1.5KE110CAHE3_B/C has a junction-to-lead thermal resistance (RθJL) of 15.4 °C/W - significantly lower than SMB- or SMC-packaged alternatives (e.g., ~30–50 °C/W). This enables more efficient heat transfer to PCB copper or heatsinks, supporting higher sustained surge repetition rates and improved reliability in thermally demanding environments like engine bays or sealed industrial enclosures.
1.5KE110CAHE3_B/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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 94V
- Voltage - Breakdown (Min):
- 105V
- Voltage - Clamping (Max) @ Ipp:
- 152V
- Current - Peak Pulse (10/1000µs):
- 10.3A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 1.5KE
1.5KE110CAHE3_B/C FAQ
1.How can I place an order for 1.5KE110CAHE3_B/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE110CAHE3_B/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 1.5KE110CAHE3_B/C reliable?
The price and inventory of 1.5KE110CAHE3_B/C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE110CAHE3_B/C is usually 5 days.
3.What payment methods are accepted for 1.5KE110CAHE3_B/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE110CAHE3_B/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE110CAHE3_B/C?
1.5KE110CAHE3_B/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE110CAHE3_B/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 1.5KE110CAHE3_B/C?
For technical support, including 1.5KE110CAHE3_B/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE110CAHE3_B/C requirements.
6.How does Aetrix verify that 1.5KE110CAHE3_B/C is sourced from the original manufacturer or authorized distributors?
All 1.5KE110CAHE3_B/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 1.5KE110CAHE3_B/C meets industry standards.
7.What is the process for return or replacement of 1.5KE110CAHE3_B/C?
All 1.5KE110CAHE3_B/C units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE110CAHE3_B/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 1.5KE110CAHE3_B/C part is unused and in its original packaging.
Return procedure for 1.5KE110CAHE3_B/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE110CAHE3_B/C Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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