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Vishay General Semiconductor - Diodes Division 1.5KE10CHE3/73
- Part No.:
- 1.5KE10CHE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE10CHE3/73.pdf
- Description:
- TVS DIODE 8.1VWM 15VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:4,134
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Product details
Overview
1.5KE10CHE3/73 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 10 V breakdown voltage (VBR = 9.5–10.5 V at 1 mA), 8.55 V maximum working voltage (VWM), and clamps transients to ≤14.5 V at 103 A peak pulse current (IPPM), delivering 1500 W peak pulse power with a 10/1000 µs waveform.
For engineers reviewing the 1.5KE10CHE3/73 datasheet, 1.5KE10CHE3/73 pinout, 1.5KE10CHE3/73 application, or 1.5KE10CHE3/73 equivalent, this device serves as a robust, glass-passivated, AEC-Q101-qualified surge protector for automotive power supply inputs, industrial sensor interfaces, and telecom line protection where fast response (<1 ns), low clamping ratio, and high surge reliability are critical.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (>1000 µA leakage at VWM), then avalanches sharply at VBR to divert transient energy away from downstream ICs. Its unidirectional polarity uses a cathode band marking and supports DC-biased circuits only - not AC or bidirectional signal paths.
Thermal performance is defined by RθJA = 75 °C/W and RθJL = 15.4 °C/W, enabling reliable operation up to TJ = +175 °C. The 1.5KE package supports 200 A non-repetitive forward surge current (IFSM) and maintains stable clamping across temperature via a +0.073 %/°C VBR coefficient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 9.5 V / 10.5 V at IT = 1 mA - defines precise avalanche onset for predictable clamping threshold |
| VWM | 8.55 V - maximum continuous reverse voltage before leakage exceeds 10 µA; sets safe operating margin below VBR |
| VC @ IPPM | ≤14.5 V at 103 A - clamping voltage during 10/1000 µs surge; determines protected circuit's worst-case stress level |
| PPPM | 1500 W - peak transient power handling capability; enables protection against lightning-induced surges per IEC 61000-4-5 |
| IPPM | 103 A - maximum non-repetitive surge current; defines minimum trace width and PCB layout requirements |
| TJ max. | +175 °C - junction temperature limit; allows operation in under-hood automotive or high-ambient industrial environments |
| Package | DO-201AD (1.5KE) - axial-leaded, epoxy-molded case rated UL 94 V-0; compatible with wave soldering (275 °C, 10 s) |
Pinout & Package
Package: DO-201AD (Case Style 1.5KE), axial-leaded, matte tin-plated leads. Cathode identified by color band on body end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lowest potential node; completes conduction path during reverse-biased surge events |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 12 V rail); avalanche initiates here when VAK exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable, low-noise avalanche characteristics and long-term reliability under repeated surge stress |
| 1500 W peak pulse power (10/1000 µs) | Supports Level 4 IEC 61000-4-5 surge immunity without external series impedance |
| Clamping ratio (VC/VBR) ≈ 1.45 | Minimizes voltage overshoot during clamping - critical for protecting 5 V or 3.3 V logic interfaces |
| AEC-Q101 qualified (HE3 suffix variant) | Validated for automotive powertrain and body electronics applications requiring zero defect rates and extended temperature cycling |
| Low incremental surge resistance | Reduces I2R heating during multi-pulse events, improving survivability in repetitive surge environments |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: 12 V battery feed to engine control unit (ECU) exposed to load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Shunt clamping element placed directly at ECU power entry point; responds within <1 ns to clamp spikes above 13.5 V. Use Value: Limits voltage seen by downstream LDOs and microcontrollers to ≤14.5 V, preventing latch-up or gate oxide damage. |
Use Scenario: 4–20 mA analog current loop interface between PLC and remote pressure sensor in factory automation. IC Role / Device Role / Timing Role: Unidirectional TVS connected across loop terminals to absorb induced surges from nearby motor switching or ESD events. Use Value: Maintains loop integrity by suppressing >1 kV transients while adding <10 pF capacitance - no signal distortion at 1 kHz bandwidth. |
| Telecom Line Interface Protection | DC Power Rail Surge Suppression |
Use Scenario: Primary protection on POTS line interface of VoIP gateway subjected to lightning-induced surges per GR-1089-CORE. IC Role / Device Role / Timing Role: First-stage shunt protector upstream of GDT and series impedance; handles bulk energy before secondary clamping. Use Value: Withstands 1500 W surges without degradation, enabling compliance with Telcordia Level 3 surge requirements. |
Use Scenario: 24 V DC input to industrial HMI panel located near variable-frequency drives generating repetitive 500 V/1 µs transients. IC Role / Device Role / Timing Role: Standalone TVS mounted directly across input capacitor to clamp repetitive surges before they reach DC-DC converter. Use Value: Sustains 0.01% duty cycle surges at 103 A without thermal runaway due to RθJL = 15.4 °C/W and 175 °C TJ rating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A | DO-214AA package; lower PPPM = 600 W; VC = 17 V @ 34.4 A | Compact surface-mount alternative for space-constrained PCBs; insufficient for 1500 W surge standards | Select SMBJ10A only if layout area is limited and surge threat level is ≤Level 3 (IEC 61000-4-5) |
| 1.5KE10A | Same 1.5KE package and electrical specs, but commercial-grade (non-AEC-Q101); E3 suffix only | Lacks automotive qualification; suitable for consumer or industrial equipment without automotive lifecycle requirements | Choose 1.5KE10A for cost-sensitive non-automotive designs where AEC-Q101 is not mandated |
Compared with SMBJ10A and 1.5KE10A, the 1.5KE10CHE3/73 delivers full 1500 W surge capacity in an AEC-Q101-qualified axial package - making it the only option among the three validated for automotive under-hood deployment and Level 4 surge immunity.
Availability
1.5KE10CHE3/73 is available at Aetrix Electronics and suitable for automotive power systems, industrial sensor interfaces, telecom line protection, and DC power rail surge suppression requiring stable component supply across multi-year production cycles.
Supply support for 1.5KE10CHE3/73 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 1.5KE series was engineered specifically for high-energy transient suppression in harsh environments, emphasizing rugged packaging, AEC-Q101 qualification, and consistent clamping performance across temperature and lifetime.
FAQ
What is the exact breakdown voltage range for 1.5KE10CHE3/73?
The 1.5KE10CHE3/73 has a guaranteed breakdown voltage (VBR) range of 9.5 V to 10.5 V measured at 1 mA test current (IT). This tight tolerance ensures predictable clamping behavior in precision protection circuits and aligns with JEDEC standard 1N6271A specifications. The value is verified per Vishay document 88301, revision 09-Aug-2022.
Is 1.5KE10CHE3/73 AEC-Q101 qualified?
Yes, the "HE3" suffix in 1.5KE10CHE3/73 explicitly denotes AEC-Q101 qualification per Vishay's ordering nomenclature. This applies to the full 1.5KE6.8AHE3_B through 1.5KE220AHE3_B family, including 1.5KE10CHE3/73. Qualification covers temperature cycling, humidity testing, and surge endurance required for automotive powertrain and body electronics.
What does the "/73" suffix mean in 1.5KE10CHE3/73?
The "/73" suffix indicates tape-and-reel packaging per Vishay's standard ordering code: it specifies 750 pieces per 13-inch diameter reel using paper tape. This format is optimized for automated SMT placement equipment and matches the preferred delivery mode listed in the official ordering information table for the 1.5KE series.
Can 1.5KE10CHE3/73 be used in bidirectional applications?
No, 1.5KE10CHE3/73 is a unidirectional TVS diode - its cathode band marking and electrical characteristics apply only in reverse-bias configuration. For bidirectional protection, Vishay offers the 1.5KE10CA variant (with "CA" suffix); 1.5KE10CHE3/73 must not be substituted in AC-coupled or symmetrical signal line applications.
What is the maximum clamping voltage of 1.5KE10CHE3/73 at rated surge current?
The maximum clamping voltage (VC) of 1.5KE10CHE3/73 is 14.5 V when subjected to its rated peak pulse current of 103 A (10/1000 µs waveform). This value is measured per standard test conditions in Vishay document 88301 and defines the upper voltage limit imposed on protected circuitry during worst-case surge events.
1.5KE10CHE3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 8.1V
- Voltage - Breakdown (Min):
- 9V
- Voltage - Clamping (Max) @ Ipp:
- 15V
- Current - Peak Pulse (10/1000µs):
- 100A
- 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
1.5KE10CHE3/73 FAQ
1.How can I place an order for 1.5KE10CHE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE10CHE3/73 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 1.5KE10CHE3/73 reliable?
The price and inventory of 1.5KE10CHE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE10CHE3/73 is usually 5 days.
3.What payment methods are accepted for 1.5KE10CHE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE10CHE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE10CHE3/73?
1.5KE10CHE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE10CHE3/73 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 1.5KE10CHE3/73?
For technical support, including 1.5KE10CHE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE10CHE3/73 requirements.
6.How does Aetrix verify that 1.5KE10CHE3/73 is sourced from the original manufacturer or authorized distributors?
All 1.5KE10CHE3/73 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 1.5KE10CHE3/73 meets industry standards.
7.What is the process for return or replacement of 1.5KE10CHE3/73?
All 1.5KE10CHE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE10CHE3/73, 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 1.5KE10CHE3/73 part is unused and in its original packaging.
Return procedure for 1.5KE10CHE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE10CHE3/73 Tags
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