onsemi 1.5KE13ARL4G
- Part No.:
- 1.5KE13ARL4G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
1.5KE13ARL4G.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC AXIAL
- Quantity:
- Payment:

- Shipping:

Inventory:180,430
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Product details
Overview
1.5KE13ARL4G from ON Semiconductor is a unidirectional 1500 W transient voltage suppressor (TVS) diode designed for parallel clamping protection of sensitive electronics. It features a 11.1 V working peak reverse voltage (VRWM), 13 V breakdown voltage (VBR) at 1 mA, 18.2 V clamping voltage (VC) at 82 A peak pulse current, and sub-1 ns response time. It is used in power supplies, industrial controls, and communication interfaces to safeguard CMOS/MOS/Bipolar ICs against ESD and surge events.
For engineers reviewing the 1.5KE13ARL4G datasheet, pinout, applications, or equivalent options, key selection criteria include VRWM ≥ circuit operating voltage, VC < device absolute maximum rating, low zener impedance, UL 497B recognition for isolated loop protection, and axial leaded Surmetic package compatibility with through-hole reflow or hand-soldering.
Technical Context
This TVS operates as a voltage-clamped shunt protector: under normal bias it presents high impedance (<5 µA leakage at VRWM), but avalanches rapidly when transient voltage exceeds VBR, diverting surge current away from downstream components. Its low dynamic impedance and fast turn-on ensure clamping within nanoseconds.
The device complies with UL 497B for isolated loop circuit protection and meets Class 3 ESD immunity (>16 kV HBM). Its thermal resistance (RJL = 20 °C/W) and 5.0 W steady-state dissipation at 75 °C enable reliable operation in ambient temperatures from −65 °C to +175 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 11.1 V - Maximum continuous reverse operating voltage before clamping begins; must exceed system DC/peak AC rail voltage. |
| VBR @ IT=1 mA | 12.4–13.7 V - Breakdown threshold range; defines onset of avalanche conduction during transients. |
| VC @ IPP=82 A | 18.2 V - Clamped voltage seen by protected circuit during 1 ms 82 A surge; determines maximum stress on downstream ICs. |
| PPK | 1500 W @ 1 ms - Peak surge power handling; validates robustness against IEC 61000-4-5 Level 4 surges. |
| Response Time | <1 ns - Enables suppression before transient energy couples into sensitive nodes; critical for high-speed interface protection. |
| Leakage Current | <5 µA @ VRWM - Negligible standby power loss and signal integrity impact in always-on circuits. |
| UL Recognition | UL 497B QVGQ2 - Certified for use in telecom and industrial isolated loop protection systems per safety standard. |
Pinout & Package
1.5KE13ARL4G uses an axial-leaded Surmetic plastic package (Case 41A), with cathode indicated by a polarity band. Leads are tin-plated, solderable at 260 °C for 10 seconds at 1/16 inch from case.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current return path | Connected to ground or low-impedance reference; completes shunt path during avalanche conduction. |
| Cathode | Protected line connection point | Connected to the line being protected (e.g., VCC, data line); polarity band identifies this terminal. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Supports IEC 61000-4-5 4th-level surge immunity (4 kV/2 Ω) without derating in typical PCB layouts. |
| UL 497B certification | Validates suitability for telecom line interface protection in certified equipment without additional isolation components. |
| ESD Class 3 (>16 kV HBM) | Eliminates need for secondary ESD protection on board-level inputs exposed to human contact. |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage margin required between protected IC's absolute max rating and system operating voltage. |
| Pb-free axial package | Enables RoHS-compliant through-hole assembly with standard wave or selective soldering processes. |
Applications
| Power Supply Input Protection | Industrial PLC Digital I/O |
|---|---|
Use Scenario: 24 V DC input stage of DIN-rail mounted power supply subjected to load dump and inductive switching transients. IC Role / Device Role / Timing Role: Shunt clamping element placed across input terminals to limit transient voltage to ≤18.2 V during 82 A surges. Use Value: Prevents damage to upstream rectifier diodes and downstream DC-DC controller ICs rated for 20 V absolute maximum. | Use Scenario: 24 V digital input channel on programmable logic controller exposed to field wiring ESD and relay coil flyback. IC Role / Device Role / Timing Role: Primary surge suppression device mounted directly at connector entry point to clamp transients before signal conditioning circuitry. Use Value: Maintains signal integrity and eliminates false triggering of optocoupler inputs during 8 kV contact discharge events. |
| Medical Equipment Power Rails | Point-of-Sale Terminal Interfaces |
Use Scenario: Auxiliary 12 V power rail in diagnostic imaging subsystem requiring immunity to conducted surges per IEC 60601-1-2. IC Role / Device Role / Timing Role: Overvoltage guard on regulated output feeding analog sensor front-ends and ADC references. Use Value: Ensures uninterrupted operation during 1 kV ring wave surges by limiting rail excursion to safe levels below 15 V. | Use Scenario: RS-232 and USB VBUS lines in retail payment terminal subject to user-handling ESD and AC mains coupling. IC Role / Device Role / Timing Role: Board-level TVS on interface power and signal lines to meet IEC 61000-4-2 Level 4 compliance. Use Value: Passes 15 kV air/8 kV contact discharge testing without latch-up or parametric shift in connected transceivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | Surface-mount SMB package; 13 V VBR; 200 W PPK; lower surge capacity than 1.5KE13ARL4G. | Used where board space is constrained and surge requirements are ≤200 W; not suitable for 1.5 kV/42 Ω IEC 61000-4-5 testing. | Select SMBJ13A only if layout prohibits axial leads and surge threat level is limited to ESD and low-energy transients. |
| 1N6274AG | Same die, identical electrical specs, but in 500-unit box packaging instead of 1500-unit tape-and-reel; no functional difference. | No application difference; identical performance and placement; differs only in logistics and assembly method. | Choose 1N6274AG for manual prototyping or low-volume hand-soldering; 1.5KE13ARL4G preferred for automated SMT line feed. |
Compared with SMBJ13A, 1.5KE13ARL4G delivers 7.5× higher surge power handling and axial lead mechanical robustness for high-reliability industrial power rails; versus 1N6274AG, it offers identical protection performance with optimized packaging for high-volume reel-fed assembly.
Availability
1.5KE13ARL4G is available at Aetrix Electronics and suitable for industrial power supplies, factory automation I/O modules, medical auxiliary rails, and point-of-sale interface protection requiring stable component supply and long-term lifecycle support.
Supply support for 1.5KE13ARL4G 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
ON Semiconductor is a global semiconductor manufacturer specializing in power management, analog, sensors, and discrete devices for automotive, industrial, and cloud power applications.
The 1.5KE Series belongs to ON Semiconductor's Mosorb TVS portfolio, engineered specifically for high-energy transient suppression in harsh industrial and telecom environments where reliability and UL-certified safety are mandatory.
FAQ
What is the clamping voltage of the 1.5KE13ARL4G under maximum surge conditions?
The 1.5KE13ARL4G has a maximum clamping voltage (VC) of 18.2 V when subjected to its rated 82 A peak pulse current (IPP) with a 1 ms waveform. This value is measured per Figure 5 in the official datasheet and represents the highest voltage the protected circuit will experience during a full-rated transient event. Designers must ensure downstream components have absolute maximum ratings exceeding 18.2 V to guarantee survivability.
Is the 1.5KE13ARL4G RoHS compliant and lead-free?
Yes, the 1.5KE13ARL4G is Pb-free and RoHS compliant, as confirmed by the "G" suffix in its part number and explicit statement in the ON Semiconductor datasheet. The axial leads are tin-plated, and the Surmetic plastic package meets JEDEC and RoHS material restrictions. Full compliance documentation, including test reports, is available through ON Semiconductor's quality portal upon request.
Can the 1.5KE13ARL4G be used in bidirectional protection circuits?
No, the 1.5KE13ARL4G is strictly unidirectional and must be installed with correct polarity-cathode toward the protected line, anode to ground. For bidirectional protection (e.g., AC lines or differential data buses), a dedicated bidirectional TVS such as 1.5KE13CA or SMAJ13CA is required. Using 1.5KE13ARL4G in reverse bias beyond its VRWM risks permanent degradation due to excessive leakage or thermal runaway.
What is the maximum steady-state power dissipation for the 1.5KE13ARL4G?
The 1.5KE13ARL4G has a steady-state power dissipation (PD) rating of 5.0 W at lead temperature (TL) ≤ 75 °C with 3/8-inch lead length. Above 75 °C, it derates linearly at 20 mW/°C. This rating applies only to continuous DC or low-frequency AC stress-not transient surges-and is relevant for leakage-related heating under sustained overvoltage conditions near VRWM.
Does the 1.5KE13ARL4G have UL recognition for safety-critical applications?
Yes, the 1.5KE13ARL4G carries UL 497B recognition (File #E210057, Category QVGQ2) for isolated loop circuit protection. This certification covers dielectric withstand, endurance, temperature, and surge testing-validating its use in telecom interfaces, industrial control loops, and medical auxiliary circuits where regulatory compliance is mandatory. UL recognition applies across the full 1.5KE6.8A–1.5KE250A series.
1.5KE13ARL4G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-201AD, Axial
- Series:
- Mosorb™
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 82A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
1.5KE13ARL4G FAQ
1.How can I place an order for 1.5KE13ARL4G through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE13ARL4G 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 1.5KE13ARL4G reliable?
The price and inventory of 1.5KE13ARL4G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE13ARL4G is usually 5 days.
3.What payment methods are accepted for 1.5KE13ARL4G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE13ARL4G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE13ARL4G?
1.5KE13ARL4G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE13ARL4G 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 1.5KE13ARL4G?
For technical support, including 1.5KE13ARL4G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE13ARL4G requirements.
6.How does Aetrix verify that 1.5KE13ARL4G is sourced from the original manufacturer or authorized distributors?
All 1.5KE13ARL4G 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 1.5KE13ARL4G meets industry standards.
7.What is the process for return or replacement of 1.5KE13ARL4G?
All 1.5KE13ARL4G units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE13ARL4G, 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 1.5KE13ARL4G part is unused and in its original packaging.
Return procedure for 1.5KE13ARL4G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE13ARL4G Tags

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ESD9B5.0ST5G
onsemi

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DESD3V3E1BL-7B
Diodes Incorporated

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ESD5Z3.3T1G
onsemi

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D5V0H1B2LP-7B
Diodes Incorporated

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D5V0P1B2LP-7B
Diodes Incorporated

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DESD5V0U1BA-7
Diodes Incorporated

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ESD5Z5.0T1G
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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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage

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D5V0L1B2WS-7
Diodes Incorporated
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