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onsemi 1.5KE8.2AG
- Part No.:
- 1.5KE8.2AG
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
1.5KE8.2AG.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC AXIAL
- Quantity:
- Payment:
- Shipping:
Inventory:5,879
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Product details
Overview
1.5KE8.2AG from ON Semiconductor is a unidirectional 1500 W transient voltage suppressor (TVS) diode designed for parallel clamping protection of sensitive electronics. It features a 7.02 V working peak reverse voltage, 8.2 V nominal breakdown voltage at 10 mA test current, 12.1 V maximum clamping voltage at 124 A peak pulse current, and sub-1 ns response time-ideal for safeguarding power supply rails and I/O lines in industrial control systems.
For engineers reviewing the 1.5KE8.2AG datasheet, pinout, applications, or equivalent options, key selection criteria include VRWM margin over operating voltage, VC vs. system withstand capability, surge current rating under 1 ms pulses, and UL 497B recognition for isolated loop protection compliance.
Technical Context
The 1.5KE8.2AG operates as a Zener-based avalanche clamp, triggered when reverse voltage exceeds its 7.79–8.61 V breakdown range. Its low dynamic impedance and fast turn-on enable effective suppression of ESD (≥16 kV HBM) and lightning-induced surges without latch-up or thermal runaway.
Designed for axial-lead mounting in CASE 41A plastic package, it delivers 1500 W peak pulse power per 1 ms waveform (Figure 5), with thermal resistance of 20 °C/W junction-to-lead and steady-state dissipation derated to 5.0 W at TL ≤ 75°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 7.02 V - Maximum continuous reverse operating voltage before clamping begins; must exceed circuit's peak DC/AC voltage. |
| VBR @ IT=10 mA | 7.79–8.61 V - Breakdown voltage tolerance band; defines precise conduction onset for design margining. |
| VC @ IPP=124 A | 12.1 V - Clamped voltage during 1 ms surge; determines maximum stress on protected ICs. |
| IPP | 124 A - Peak pulse current capability; validates survivability against IEC 61000-4-5 Level 4 surges. |
| IR @ VRWM | 200 µA - Reverse leakage at rated working voltage; ensures minimal standby power loss and signal integrity. |
| Response Time | <1 ns - Enables suppression before transient energy couples into downstream circuitry. |
| ESD Rating | Class 3 (>16 kV HBM) - Confirmed robustness against human-body model electrostatic discharge events. |
Pinout & Package
1.5KE8.2AG is housed in an axial-leaded Surmetic plastic package (CASE 41A), with cathode identified 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 | Current sink during forward conduction; connected to lower-potential node in unidirectional clamp configuration. | Provides low VF path (<3.5 V @ 100 A) for fault currents returning to ground or rail. |
| Cathode | Clamping node; connected to protected line (e.g., VCC or signal) via shortest possible trace. | Defines reference point for reverse-biased avalanche action; polarity band ensures correct orientation in PCB layout. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Enables single-device protection against high-energy transients (e.g., 10/1000 µs surges up to 124 A) without external current sharing. |
| UL 497B recognition | Validates suitability for isolated loop circuit protection in telecom and process control applications requiring safety certification. |
| Pb-free axial package (G suffix) | Meets RoHS Directive 2011/65/EU and facilitates lead-free reflow or hand-soldering without contamination risk. |
| Low zener impedance | Minimizes voltage overshoot during fast-rising transients by sustaining stable clamping across full IPP range. |
Applications
| Industrial Power Supply Protection | Medical Equipment I/O Lines |
|---|---|
Use Scenario: Protecting 5–12 V DC output rails of switch-mode power supplies against load dump and inductive switching spikes. IC Role / Device Role: Unidirectional TVS clamp placed between output rail and ground, absorbing >1 kV transients. Use Value: Prevents overvoltage damage to downstream regulators and microcontrollers while maintaining <12.1 V clamping under 124 A surge. | Use Scenario: Shielding analog sensor inputs and communication ports (RS-232/485) in diagnostic imaging devices from ESD and EFT. IC Role / Device Role: Point-of-entry transient suppressor on front-panel connectors, referenced to chassis ground. Use Value: Provides Class 3 ESD immunity and UL 497B-compliant isolation barrier protection without signal distortion. |
| Programmable Logic Controller Inputs | Business Machine Power Sequencing |
Use Scenario: Safeguarding 24 V digital input modules from field-wiring induced surges in factory automation systems. IC Role / Device Role: Rail-to-ground clamp on each discrete input channel, mounted adjacent to terminal block. Use Value: Ensures reliable operation under repetitive 1 kV/500 A surge testing per IEC 61000-4-4, with no degradation after 1000 pulses. | Use Scenario: Securing multi-rail startup sequencing in copiers and POS terminals against cross-rail coupling during power-up. IC Role / Device Role: Standby rail protector (e.g., +3.3 V or +5 V) preventing latch-up in PMICs and memory controllers. Use Value: Delivers <200 µA leakage at 7.02 V VRWM to avoid disrupting low-current bias networks during idle states. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0A | Surface-mount SMB package; 8.0 V VRWM; 12.3 V VC @ 100 A; 600 W rating. | Limited to lower-energy threats; unsuitable for 1500 W surge requirements. | Select only if board space constraints prohibit axial leads and surge threat level is ≤600 W. |
| 1N6269AG | Same JEDEC device code and identical electrical specs; alternate marking for 1.5KE8.2AG. | No functional or application difference; direct form-fit-function match. | Preferred for legacy BOMs referencing JEDEC nomenclature; identical sourcing and qualification. |
Compared with SMBJ8.0A, 1.5KE8.2AG delivers 2.5× higher surge power handling and axial-lead mechanical robustness for high-vibration environments; versus 1N6269AG, it is the same device-no performance or reliability distinction exists.
Availability
1.5KE8.2AG is available at Aetrix Electronics and suitable for industrial power supplies, medical equipment I/O protection, programmable logic controller inputs, and business machine power sequencing requiring stable component supply and long-term lifecycle support.
Supply support for 1.5KE8.2AG 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 1.5KE8.2AG belongs to the 1.5KE Series Mosorb TVS family, engineered specifically for high-reliability, high-power transient suppression in harsh industrial and medical environments where UL 497B compliance and 1500 W surge resilience are mandatory.
FAQ
What is the working peak reverse voltage (VRWM) of the 1.5KE8.2AG?
The 1.5KE8.2AG has a VRWM of 7.02 V, meaning it remains non-conductive up to this reverse voltage level under steady-state conditions. This value ensures compatibility with 5 V and 6 V logic rails and low-voltage power supplies while providing sufficient margin above nominal operating voltage to prevent false triggering during normal operation.
How does the clamping voltage (VC) of the 1.5KE8.2AG compare to its breakdown voltage (VBR)?
The 1.5KE8.2AG exhibits a VBR range of 7.79–8.61 V at 10 mA, while its VC is specified at 12.1 V under 124 A peak pulse current. This ~4.5 V differential reflects the device's dynamic impedance during surge conduction and confirms its ability to limit transient overvoltage to a safe level well below typical IC absolute maximum ratings.
Is the 1.5KE8.2AG certified for safety-critical applications like isolated loop protection?
Yes, the 1.5KE8.2AG carries UL 497B recognition (File #E210057) for protectors in isolated loop circuits. This certification covers rigorous testing including strike voltage breakdown, endurance conditioning, and dielectric withstand-making it suitable for telecom interfaces, process control signal isolators, and other safety-relevant transient suppression roles.
What is the maximum peak pulse current (IPP) rating for the 1.5KE8.2AG?
The 1.5KE8.2AG is rated for a maximum peak pulse current (IPP) of 124 A under the standard 1 ms exponential waveform defined in Figure 5 of its datasheet. This rating directly supports compliance with IEC 61000-4-5 surge immunity testing at Level 4 (4 kV line-to-earth) when properly implemented with appropriate series impedance.
Does the 1.5KE8.2AG meet RoHS and lead-free assembly requirements?
Yes, the "G" suffix in 1.5KE8.2AG denotes a Pb-free axial package compliant with RoHS Directive 2011/65/EU. Its leads are tin-plated and qualified for soldering at 260°C for 10 seconds at 1/16 inch from the case, supporting both lead-free reflow and hand-soldering processes without compromising reliability.
1.5KE8.2AG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-201AD, Axial
- Series:
- Mosorb™
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 7.02V
- Voltage - Breakdown (Min):
- 7.79V
- Voltage - Clamping (Max) @ Ipp:
- 12.1V
- Current - Peak Pulse (10/1000µs):
- 124A
- 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
1.5KE8.2AG FAQ
1.How can I place an order for 1.5KE8.2AG through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE8.2AG 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 1.5KE8.2AG reliable?
The price and inventory of 1.5KE8.2AG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE8.2AG is usually 5 days.
3.What payment methods are accepted for 1.5KE8.2AG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE8.2AG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE8.2AG?
1.5KE8.2AG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE8.2AG 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 1.5KE8.2AG?
For technical support, including 1.5KE8.2AG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE8.2AG requirements.
6.How does Aetrix verify that 1.5KE8.2AG is sourced from the original manufacturer or authorized distributors?
All 1.5KE8.2AG 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 1.5KE8.2AG meets industry standards.
7.What is the process for return or replacement of 1.5KE8.2AG?
All 1.5KE8.2AG units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE8.2AG, 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 1.5KE8.2AG part is unused and in its original packaging.
Return procedure for 1.5KE8.2AG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE8.2AG Tags
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ESD9B5.0ST5G
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ESD5Z3.3T1G
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D12V0L1B2LP-7B
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PESD2V0Y1BSFYL
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