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onsemi 1.5KE62ARL4
- Part No.:
- 1.5KE62ARL4
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
1.5KE62ARL4.pdf
- Description:
- TVS DIODE 53VWM 85VC AXIAL
- Quantity:
- Payment:
- Shipping:
Inventory:9,585
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Product details
Overview
1.5KE62ARL4 from ON Semiconductor is a unidirectional 1500 W transient voltage suppressor (TVS) diode designed for parallel clamping protection of sensitive electronics against ESD, lightning surges, and inductive switching transients. It features a 53 V working peak reverse voltage (VRWM), 62 V nominal breakdown voltage (VBR) at 1 mA, 85 V maximum clamping voltage (VC) at 17.7 A peak pulse current (IPP), and sub-1 ns response time. It is used in power supply input stages, industrial I/O interfaces, and telecom line cards.
For engineers reviewing the 1.5KE62ARL4 datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage margin relative to protected IC's absolute maximum rating, VRWM compatibility with DC bus voltage, surge current capability under 1 ms 10/1000 µs waveform, and UL 497B recognition for isolated loop circuit protection.
Technical Context
This device operates as a silicon avalanche diode in reverse-biased breakdown mode during overvoltage events, delivering low dynamic impedance and fast turn-on to limit transient energy delivered to downstream circuitry. Its unidirectional configuration provides asymmetric clamping-blocking forward conduction while suppressing reverse transients above VRWM.
Rated for 1500 W non-repetitive peak pulse power per 1 ms 10/1000 µs waveform, it sustains 5.0 W steady-state dissipation at 75°C lead temperature with 20°C/W junction-to-lead thermal resistance. The axial lead Surmetic plastic package (Case 41A) supports manual or wave soldering at 260°C for 10 seconds at 1/16 inch from case.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 1500 W @ 1 ms 10/1000 µs waveform - defines maximum single-event surge energy absorption without failure |
| Working Peak Reverse Voltage (VRWM) | 53 V - maximum continuous DC or peak AC voltage the device blocks without significant leakage (<5 µA) |
| Breakdown Voltage (VBR) | 62 V (nominal) @ 1 mA test current - voltage at which avalanche conduction initiates; ±5% tolerance ensures predictable turn-on threshold |
| Clamping Voltage (VC) | 85 V @ 17.7 A IPP - maximum voltage seen by protected circuit during full-rated surge, defining safe margin for downstream ICs |
| Response Time | <1 ns - enables suppression before most CMOS/MOS/Bipolar ICs experience latch-up or gate oxide damage |
| ESD Rating | Class 3 (>16 kV HBM) - qualifies for high-robustness system-level ESD immunity per IEC 61000-4-2 |
| UL Recognition | UL 497B (QVGQ2, File #E210057) - certified for use in isolated loop circuits including analog signal and telecom interfaces |
Pinout & Package
1.5KE62ARL4 uses an axial-leaded plastic package (ON Semiconductor Case 41A, JEDEC DO-201AD), with cathode identified by a polarity band. Leads are tin-plated copper, solderable per J-STD-002, and rated for 260°C for 10 s 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 clamping loop during reverse surge |
| Cathode | Protected line connection point | Connected to line being protected (e.g., +12 V rail); polarity band marks this terminal |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse rating | Enables robust protection against lightning-induced surges (IEC 61000-4-5 Level 4) on industrial power inputs |
| 85 V clamping at 17.7 A | Provides ≥23 V margin below typical 100 V absolute max rating of 24 V system microcontrollers and interface ICs |
| UL 497B recognition | Validates suitability for safety-critical isolated analog loops in process control and medical equipment |
| Sub-1 ns response | Prevents overshoot-induced damage in high-speed digital interfaces (e.g., RS-485, CAN FD physical layer) |
| Pb-free Surmetic package | Meets RoHS Directive 2011/65/EU and supports automated tape-and-reel assembly (1500 pcs/reel) |
Applications
| Industrial Power Supply Input Protection | RS-485/RS-422 Data Line Protection |
|---|---|
Use Scenario: 24 V DC industrial power entry subjected to load dump and inductive kickback in factory automation cabinets. IC Role / Device Role: Primary clamping element placed across input rails before DC-DC converter input stage. Use Value: Limits transient voltage to ≤85 V, preventing overstress of 100 V-rated input capacitors and controller ICs while surviving 1500 W surges. |
Use Scenario: Long-haul RS-485 bus in building management systems exposed to ground potential differences and ESD events. IC Role / Device Role: Unidirectional TVS on A/B differential lines referenced to local ground, with series current-limiting resistors. Use Value: Clamps common-mode surges to <85 V while maintaining signal integrity up to 10 Mbps due to low capacitance (<100 pF @ VRWM). |
| Medical Equipment Isolated Analog Inputs | Telecom DSL Line Interface Protection |
Use Scenario: Patient-connected ECG front-end with galvanically isolated analog signal paths meeting IEC 60601-1 creepage/clearance requirements. IC Role / Device Role: UL 497B-certified TVS on isolated side of analog input, placed after isolation barrier but before instrumentation amplifier. Use Value: Provides certified transient protection without compromising isolation integrity or introducing leakage paths exceeding 5 µA at 53 V. |
Use Scenario: ADSL/VDSL line card protecting PHY interface from lightning-induced surges on twisted-pair telephone lines. IC Role / Device Role: First-stage protection on line-side transformer secondary, paired with gas discharge tube (GDT) for coordinated staging. Use Value: Fast clamping (sub-1 ns) handles initial surge edge before GDT fires, reducing let-through energy to <10 mJ for downstream silicon devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ64A | Lower peak power (600 W), smaller SMC package (DO-214AB), 64 V VRWM, 104 V VC @ 5.8 A | Better suited for space-constrained PCBs and lower-energy transients (IEC 61000-4-2 ±8 kV contact); not UL 497B recognized | Select when board area is critical and surge threat level is Class 3–4 rather than lightning-grade; verify layout clearance for SMC footprint |
| 1.5KE62A | Identical electrical specs and Case 41A package; differs only in packaging format (500-unit box vs. 1500-unit tape-and-reel) | No functional difference; same reliability, thermal performance, and application scope as 1.5KE62ARL4 | Choose for low-volume prototyping or manual assembly where reel handling is impractical; identical design-in qualification |
Compared with SMBJ64A, 1.5KE62ARL4 delivers >2.5× higher surge energy handling and UL 497B certification for isolated loops; compared with 1.5KE62A, it offers identical protection performance with optimized logistics for high-volume SMT production.
Availability
1.5KE62ARL4 is available at Aetrix Electronics and suitable for industrial power supplies, communication interfaces, medical analog inputs, and telecom line protection requiring stable component supply across multi-year production cycles.
Supply support for 1.5KE62ARL4 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 (now onsemi) is a global semiconductor supplier specializing in energy-efficient power management, analog, sensor, and connectivity solutions for automotive, industrial, cloud, and IoT applications.
The 1.5KE62ARL4 belongs to the 1.5KExxxA Series Mosorb family-designed specifically for high-reliability, high-power transient suppression in harsh industrial and telecom environments where UL recognition and surge survivability are mandatory.
FAQ
What is the maximum clamping voltage of the 1.5KE62ARL4 under full-rated surge conditions?
The 1.5KE62ARL4 has a maximum clamping voltage (VC) of 85 V when subjected to its rated peak pulse current of 17.7 A (10/1000 µs waveform). This value is measured per Figure 5 in the official ON Semiconductor datasheet and represents the highest voltage imposed on protected circuitry during worst-case transient events. Designers must ensure downstream components have sufficient voltage margin above this 85 V clamping level.
Is the 1.5KE62ARL4 suitable for bidirectional transient protection?
No, the 1.5KE62ARL4 is a unidirectional TVS diode and only protects against reverse-polarity transients. It conducts in avalanche breakdown when reverse voltage exceeds VRWM (53 V) but blocks forward current like a standard diode. For bidirectional protection-such as AC line or symmetrical data lines-designers must use a dedicated bidirectional part like 1.5KE62A (which is functionally distinct) or pair two unidirectional devices in series opposing configuration.
Does the 1.5KE62ARL4 meet UL 497B requirements for isolated loop protection?
Yes, the 1.5KE62ARL4 is explicitly covered under ON Semiconductor's UL 497B recognition (File #E210057, QVGQ2 category) for protector applications. This certification confirms compliance with tests including strike voltage breakdown, endurance conditioning, dielectric withstand, and discharge performance-making it suitable for use in isolated analog loops in medical, process control, and industrial safety systems.
What is the thermal resistance and steady-state power rating of the 1.5KE62ARL4?
The 1.5KE62ARL4 has a junction-to-lead thermal resistance (RJL) of 20°C/W and a steady-state power dissipation (PD) rating of 5.0 W at TL = 75°C with 3/8-inch lead length. Power derates linearly above 75°C at 20 mW/°C. These values assume proper PCB heat sinking via leads and define safe continuous operation limits-not surge handling, which is governed by the 1500 W peak pulse rating.
How does the 1.5KE62ARL4 compare to the 1.5KE62A in terms of electrical performance and packaging?
The 1.5KE62ARL4 and 1.5KE62A share identical electrical specifications-including VRWM (53 V), VBR (62 V), VC (85 V), and peak pulse power (1500 W)-and use the same Case 41A axial package. Their sole difference is packaging format: 1.5KE62ARL4 ships in 1500-piece tape-and-reel for automated SMT placement, while 1.5KE62A ships in 500-unit boxes for manual or low-volume assembly. Both are Pb-free and UL-recognized.
1.5KE62ARL4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-201AD, Axial
- Series:
- Mosorb™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 53V
- Voltage - Breakdown (Min):
- 58.9V
- Voltage - Clamping (Max) @ Ipp:
- 85V
- Current - Peak Pulse (10/1000µs):
- 17.7A
- 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
1.5KE62ARL4 FAQ
1.How can I place an order for 1.5KE62ARL4 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE62ARL4 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 1.5KE62ARL4 reliable?
The price and inventory of 1.5KE62ARL4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE62ARL4 is usually 5 days.
3.What payment methods are accepted for 1.5KE62ARL4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE62ARL4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE62ARL4?
1.5KE62ARL4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE62ARL4 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 1.5KE62ARL4?
For technical support, including 1.5KE62ARL4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE62ARL4 requirements.
6.How does Aetrix verify that 1.5KE62ARL4 is sourced from the original manufacturer or authorized distributors?
All 1.5KE62ARL4 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 1.5KE62ARL4 meets industry standards.
7.What is the process for return or replacement of 1.5KE62ARL4?
All 1.5KE62ARL4 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE62ARL4, 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 1.5KE62ARL4 part is unused and in its original packaging.
Return procedure for 1.5KE62ARL4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE62ARL4 Tags
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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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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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