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STMicroelectronics 1.5KE100CARL
- Part No.:
- 1.5KE100CARL
- Manufacturer:
- STMicroelectronics
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE100CARL.pdf
- Description:
- TVS DIODE 85.5VWM 178VC DO201
- Quantity:
- Payment:
- Shipping:
Inventory:5,523
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Product details
Overview
1.5KE100CARL from STMicroelectronics is a bidirectional Transil™ TVS diode designed for high-energy transient voltage suppression in DC power lines and signal interfaces. It delivers 1500 W peak pulse power (10/1000 µs), has a 100 V standoff voltage (VRM = 85.5 V), clamps at 137 V under 11 A peak pulse current, and operates across -65 °C to +175 °C junction temperature - used in industrial power supply input protection.
For engineers reviewing the 1.5KE100CARL datasheet, 1.5KE100CARL pinout, 1.5KE100CARL application, or 1.5KE100CARL equivalent, key selection criteria include clamping voltage margin vs. protected IC's absolute maximum rating, unidirectional/bidirectional polarity match, PCB layout thermal relief for DO-201 package, and UL 497B compliance for telecom surge immunity.
Technical Context
This device functions as a voltage-clamping transient suppressor using avalanche breakdown in silicon PN junctions. Its bidirectional configuration enables symmetrical protection of AC-coupled or floating signal paths without polarity dependency. The 10/1000 µs waveform response aligns with IEC 61000-4-5 Level 4 surge testing requirements.
Thermal design relies on low junction-to-leads thermal resistance (20 °C/W) and defined lead soldering temperature (230 °C for 10 s). Capacitance is 1150 pF at 0 V (measured at 1 MHz), limiting use in >10 MHz signal lines but suitable for <1 MHz power rail and RS-485 bus protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 1500 W (10/1000 µs): Sustains single lightning-induced surges per IEC 61000-4-5 without failure. |
| Stand-off Voltage (VRM) | 85.5 V: Maximum continuous DC or RMS AC voltage before leakage exceeds 1 µA - sets upper limit for protected circuit operating voltage. |
| Breakdown Voltage (VBR) | 95.0 V min @ 1 mA: Avalanche conduction initiates reliably above this threshold to divert transients. |
| Clamping Voltage (VCL) | 137 V @ 11 A (10/1000 µs): Maximum voltage seen by downstream circuit during rated surge - must be below IC's absolute max rating. |
| Junction Temperature Range | -65 °C to +175 °C: Enables deployment in automotive engine bays, industrial motor drives, and outdoor telecom enclosures. |
| Capacitance | 1150 pF @ 0 V, 1 MHz: Low enough for RS-485/RS-232 but too high for USB 2.0 or Ethernet PHY protection. |
| Package | DO-201: Axial-leaded through-hole package with 8.5–9.5 mm body length - requires ≥2.5 mm PCB clearance and thermal pad relief. |
Pinout & Package
1.5KE100CARL uses the DO-201 axial package: cylindrical epoxy body (8.5–9.5 mm long × 4.8–5.3 mm diameter), tinned copper leads (0.96–1.06 mm Ø), UL94 V0 rated, lead-free compliant. Mounting requires 5 mm lead length from case for 230 °C soldering tolerance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Transient current entry (bidirectional) | Functions as cathode during positive transients; no fixed polarity - both leads are electrically symmetric. |
| Cathode (Lead 2) | Transient current exit (bidirectional) | Functions as anode during negative transients; interchangeable with Lead 1 in layout - no orientation dependency. |
Key Features
| Feature | Design Value |
|---|---|
| Low clamping factor (VCL/VBR) | 1.44 - tight voltage margin ensures robust protection of 100 V-rated components without overdesign. |
| UL 497B recognition | QVGQ2.E136224 - certified for telecom line interface surge protection per ANSI/UL standards. |
| Fast response time | <1 ns - activates before most MOSFET gate oxide or CMOS input structures can be damaged by ESD or surge. |
| High surge current capability | 11 A (10/1000 µs) - handles repeated 1 kV/500 Ω surges in industrial control I/O modules. |
| Wide operating temperature range | -65 °C to +175 °C - supports operation in harsh environments without derating up to Tj = 175 °C. |
Applications
| Industrial PLC Analog Input Protection | Telecom Line Interface Surge Suppression |
|---|---|
Use Scenario: 4–20 mA current loop inputs exposed to induced surges from nearby motor switching or lightning coupling. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and ground, upstream of precision op-amp front-end. Use Value: Limits transient voltage to ≤137 V, preventing latch-up or gate rupture in instrumentation amplifiers while maintaining <1 µA leakage at 24 V nominal. |
Use Scenario: T1/E1 line cards receiving signals from outside plant wiring subject to longitudinal surges per GR-1089-CORE. IC Role / Device Role / Timing Role: Primary surge protector on tip/ring pair, coordinated with gas discharge tube (GDT) secondary protection. Use Value: Clamps common-mode surges within 1 ns to protect SLIC and codec ICs; UL 497B listing validates compliance for NEBS Level 3 telecom deployments. |
| AC-DC Power Supply Input Protection | Automotive Body Control Module (BCM) CAN Bus Protection |
Use Scenario: Secondary-side DC bus (e.g., +48 V telecom rectifier output) subjected to load dump or inductive kickback. IC Role / Device Role / Timing Role: Parallel-connected TVS across bulk capacitor to absorb energy exceeding MOV capability during fast transients. Use Value: Handles 1500 W peak pulses without degradation, enabling smaller MOV size and reducing thermal stress on primary-side components. |
Use Scenario: CAN_H/CAN_L lines in BCM exposed to ISO 7637-2 pulse 1/2a/5a transients during vehicle cranking or alternator load dump. IC Role / Device Role / Timing Role: Bidirectional clamp on differential CAN pair, placed immediately after connector to shunt common-mode energy. Use Value: Maintains CAN signal integrity by clamping to 137 V while adding only 1150 pF capacitance - well below 100 pF per line limit for 500 kbps operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ100CA | Lower peak power (600 W), smaller SMB package (surface-mount), 137 V clamping at 4.4 A. | Better suited for space-constrained PCBs; insufficient for 1500 W IEC 61000-4-5 Level 4 surges. | Select when board area is critical and surge threat level is ≤Level 3 (1 kV/2 Ω). |
| 1.5SMC100CA | Same 1500 W rating and 100 V VBR, but SMC package (surface-mount, 7.1 × 6.2 mm), 137 V clamping at 11 A. | Enables automated assembly and higher density layouts; lacks axial mechanical robustness for high-vibration environments. | Choose for reflow-compatible designs where DO-201 mounting reliability is not required. |
Compared with SMBJ100CA and 1.5SMC100CA, 1.5KE100CARL offers superior mechanical ruggedness and proven axial-lead thermal performance in high-surge industrial systems, while trading off PCB assembly automation and footprint size.
Availability
1.5KE100CARL is available at Aetrix Electronics and suitable for industrial PLC analog inputs, telecom line interface protection, and AC-DC power supply input stages requiring stable component supply and long-term obsolescence management.
Supply support for 1.5KE100CARL 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and discrete components for industrial, automotive, and consumer markets.
This part belongs to ST's Transil™ TVS diode family, engineered specifically for high-reliability transient suppression in harsh electromagnetic environments - targeting IEC/EN 61000-4-x compliance and UL recognition.
FAQ
What is the maximum continuous reverse voltage (VRM) for 1.5KE100CARL?
The maximum continuous reverse standoff voltage (VRM) is 85.5 V, measured at 25 °C with leakage current ≤1 µA. This value decreases slightly with rising temperature due to the voltage temperature coefficient (αT = 10.6 × 10⁻⁴ /°C), requiring derating above 25 °C ambient.
Can 1.5KE100CARL be used in AC line protection?
No - it is not rated for continuous AC line voltage (e.g., 120/230 VAC RMS). Its 85.5 V VRM is insufficient for direct connection to mains; it is intended for DC or low-voltage AC signal/power rails where peak voltage remains below VRM, such as telecom battery feeds or 48 V DC distribution.
How does the bidirectional configuration affect PCB layout?
The bidirectional nature means both leads are functionally identical - no polarity marking or orientation requirement exists. Layout may place either lead toward the protected node or ground; symmetry simplifies routing and eliminates orientation errors during manual assembly.
Is 1.5KE100CARL RoHS and REACH compliant?
Yes - it carries ST's ECOPACK®2 designation, confirming lead-free terminations, halogen-free epoxy, and full compliance with EU RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006, as verified in ST's official material declarations.
1.5KE100CARL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- 1.5KE, TRANSIL™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 178V
- Current - Peak Pulse (10/1000µs):
- 56A (8/20µs)
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 575pF @ 1MHz
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201
1.5KE100CARL FAQ
1.How can I place an order for 1.5KE100CARL through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE100CARL 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 1.5KE100CARL reliable?
The price and inventory of 1.5KE100CARL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE100CARL is usually 5 days.
3.What payment methods are accepted for 1.5KE100CARL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE100CARL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE100CARL?
1.5KE100CARL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE100CARL 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 1.5KE100CARL?
For technical support, including 1.5KE100CARL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE100CARL requirements.
6.How does Aetrix verify that 1.5KE100CARL is sourced from the original manufacturer or authorized distributors?
All 1.5KE100CARL 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 1.5KE100CARL meets industry standards.
7.What is the process for return or replacement of 1.5KE100CARL?
All 1.5KE100CARL units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE100CARL, 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 1.5KE100CARL part is unused and in its original packaging.
Return procedure for 1.5KE100CARL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE100CARL Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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onsemi
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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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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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