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onsemi P6KE24AG
- Part No.:
- P6KE24AG
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- -
- Datasheet:
-
P6KE24AG.pdf
- Description:
- TVS DIODE 20.5VWM 33.2VC
- Quantity:
- Payment:
- Shipping:
Inventory:32,006
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Product details
Overview
P6KE24AG from ON Semiconductor is a unidirectional 600 W transient voltage suppressor (TVS) diode in axial-leaded Surmetic−40 package, designed for parallel clamping protection of DC power rails and signal lines. It features a 20.5 V working peak reverse voltage (VRWM), 24 V nominal breakdown voltage (VBR) at 1 mA test current, 33.2 V maximum clamping voltage (VC) at 18 A peak pulse current (IPP), and sub-1 ns response time - deployed in industrial power supplies, medical equipment front-ends, and communication interface protection.
For engineers reviewing the P6KE24AG datasheet, pinout, applications, or equivalent options, key selection criteria include VRWM margin over operating voltage, VC vs. protected IC absolute maximum rating, surge current capability under 1 ms pulses, and UL 497B recognition for isolated loop circuit compliance.
Technical Context
The P6KE24AG operates as a silicon avalanche diode with sharp reverse-breakdown knee and low dynamic impedance during transient events. Its clamping action begins at VBR = 22.8–25.2 V (min–max at IT = 1 mA) and limits voltage to ≤33.2 V at IPP = 18 A per 1 ms 10/1000 µs waveform. Thermal resistance is 20 °C/W (junction-to-lead), enabling sustained dissipation up to 5.0 W at TL ≤ 75 °C with 3/8″ lead length.
It exhibits <5 µA leakage at VRWM = 20.5 V, 0.094 %/°C temperature coefficient of VBR, and ESD robustness >16 kV HBM. The device is Pb-free, RoHS-compliant, and UL 497B recognized (File #E210057) for isolated loop circuit protection - distinguishing it from non-certified TVS alternatives.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 20.5 V - maximum continuous reverse voltage before significant leakage; must exceed system DC operating voltage by ≥10% for reliable standby operation |
| VBR @ IT=1 mA | 22.8–25.2 V - precise breakdown range defining turn-on threshold; ensures predictable clamping onset across temperature and unit variation |
| VC @ IPP=18 A | 33.2 V - maximum clamped voltage during 1 ms surge; must stay below protected IC's absolute max rating (e.g., 36 V input pins) |
| PPK | 600 W - peak pulse power handling per non-repetitive 1 ms pulse; defines single-event surge survivability without degradation |
| IR @ VRWM | <5 µA - ultra-low reverse leakage; prevents measurable power loss or bias shift in high-impedance monitoring circuits |
| Response Time | <1 ns - enables suppression before fast transients (e.g., EFT bursts, relay bounce) propagate into downstream circuitry |
| UL Recognition | UL 497B (QVGV2, File #E210057) - certified for use in isolated loop protection systems, including telecom and process control interfaces |
Pinout & Package
Surmetic−40 axial-leaded plastic package (Case 017AA), cathode indicated by polarity band. Leads are solderable per J-STD-020; max soldering temperature 230 °C at 1/16″ from case for 10 s. Mounting position unrestricted.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lowest potential node; establishes reference for clamping action during positive transients on cathode side |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., +24 V rail); conducts avalanche current to anode when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Handles IEC 61000-4-5 Level 4 surges (4 kV, 2 Ω source) without failure when properly mounted with short traces |
| UL 497B certification | Validated for safety-critical isolated loop applications (e.g., RS-485 fieldbus, analog sensor inputs) without additional external isolation |
| 0.094 %/°C VBR tempco | Ensures stable clamping threshold across −55 to +175 °C operating range; critical for automotive under-hood or industrial ambient extremes |
| Pb-free Surmetic−40 package | RoHS-compliant construction with void-free thermoset molding; compatible with lead-free reflow and wave soldering processes |
| ESD HBM >16 kV | Withstands human-body-model discharges common in handling and board assembly, reducing pre-deployment failure risk |
Applications
| Industrial Power Supply Input Protection | Medical Equipment ESD Interface Guard |
|---|---|
Use Scenario: 24 V DC input stage of programmable logic controller (PLC) power module exposed to load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between +24 V rail and chassis ground, conducting only during positive overvoltage events. Use Value: Limits transient voltage to ≤33.2 V, protecting downstream DC-DC controllers and microcontrollers rated for 36 V absolute max input. |
Use Scenario: Front-end protection of isolated analog sensor inputs (e.g., temperature, pressure) in patient-monitoring devices. IC Role / Device Role / Timing Role: UL 497B-recognized TVS on secondary side of isolation barrier, suppressing ESD and fast transients before signal conditioning amplifiers. Use Value: Maintains signal integrity and regulatory compliance without requiring additional isolation components or layout redesign. |
| RS-485 Communication Line Clamp | Automotive Body Control Module (BCM) Power Rail |
Use Scenario: Protection of differential RS-485 transceiver bus lines (A/B) against cable discharge events and lightning-induced surges in factory automation networks. IC Role / Device Role / Timing Role: Paired unidirectional TVS diodes (one per line) referenced to local ground, clamping common-mode overvoltages. Use Value: Prevents latch-up or permanent damage to transceivers while preserving signal rise/fall times due to sub-1 ns response. |
Use Scenario: 24 V battery-supplied power rail in BCM modules subjected to ISO 7637-2 pulse 1 (inductive load dump) and pulse 3a/b (switching noise). IC Role / Device Role / Timing Role: Primary clamping device on main VBAT input, absorbing 600 W energy spikes within 1 ms window. Use Value: Enables compliance with automotive EMC requirements without oversized capacitors or complex active clamping circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ24A | Surface-mount SMB package (vs. axial P6KE24AG); same VRWM (20.5 V), slightly lower VC (33.0 V @ 17.1 A), 600 W rating | Requires PCB rework for SMT placement; better high-frequency performance due to lower parasitic inductance | Select SMBJ24A for space-constrained, high-density boards where automated assembly is preferred and thermal path supports 5 W steady-state dissipation. |
| 1.5KE24A | Higher peak power (1500 W), larger DO-201AD package; identical VRWM/VBR/VC specs but higher IPP (62.5 A) | Overqualified for 600 W surge needs; requires larger board area and manual soldering; higher cost per unit | Choose 1.5KE24A only when legacy designs mandate backward compatibility with 1.5 kW surge standards or require extended lifetime under repetitive stress. |
Compared with SMBJ24A and 1.5KE24A, the P6KE24AG offers optimal balance of axial-leaded serviceability, UL 497B certification, and 600 W surge capacity - making it ideal for industrial field-serviceable equipment and medical devices requiring safety-agency validation.
Availability
P6KE24AG is available at Aetrix Electronics and suitable for industrial power supply input protection, medical equipment ESD interface guard, and RS-485 communication line clamp applications requiring stable component supply, long-term lifecycle support, and UL-recognized surge immunity.
Supply support for P6KE24AG 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, with emphasis on energy efficiency and reliability across automotive, industrial, and cloud infrastructure markets.
The P6KE24AG belongs to ON Semiconductor's P6KE6.8A series of axial-leaded transient voltage suppressors - engineered specifically for cost-sensitive, high-reliability industrial and medical systems requiring UL 497B–certified overvoltage protection.
FAQ
What is the maximum clamping voltage of the P6KE24AG under surge conditions?
The P6KE24AG has a maximum clamping voltage (VC) of 33.2 V when subjected to its rated peak pulse current (IPP) of 18 A, measured using the standard 1 ms 10/1000 µs waveform. This value is guaranteed across all units and represents the highest voltage the device allows on the protected line during a transient event - critical for ensuring downstream ICs remain within their absolute maximum ratings. The P6KE24AG maintains this clamping performance across its full operating temperature range.
Does the P6KE24AG meet UL safety standards for isolated circuit protection?
Yes, the P6KE24AG is UL 497B recognized (File #E210057, Category QVGV2) for use in isolated loop circuit protection - a requirement for many industrial communication interfaces and medical sensor inputs. This certification confirms successful completion of Strike Voltage Breakdown, Endurance Conditioning, Dielectric Withstand, and Discharge testing. Unlike generic TVS diodes, the P6KE24AG carries formal agency approval that eliminates need for additional isolation validation in certified end equipment.
How does the P6KE24AG differ from the P6KE24A variant?
The P6KE24AG is the Pb-free (RoHS-compliant) version of the P6KE24A, with identical electrical specifications, thermal characteristics, and mechanical dimensions. The "G" suffix denotes compliance with lead-free soldering requirements and environmental regulations, while maintaining full drop-in compatibility - including matching VRWM (20.5 V), VBR (22.8–25.2 V), VC (33.2 V), and package (Surmetic−40, Case 017AA). No design or layout changes are needed when substituting P6KE24AG for P6KE24A.
What is the leakage current specification for the P6KE24AG at its working voltage?
The P6KE24AG specifies a maximum reverse leakage current (IR) of 5 µA when biased at its working peak reverse voltage (VRWM) of 20.5 V, measured at TA = 25 °C. This ultra-low leakage ensures minimal power loss in always-on systems and avoids loading high-impedance sensing nodes - such as those found in precision analog front-ends or battery-monitoring circuits. Leakage remains well below 10 µA across the full −55 to +175 °C operating junction temperature range.
Can the P6KE24AG be used in automotive applications?
Yes, the P6KE24AG is qualified for automotive body electronics applications, including body control modules (BCMs) and lighting drivers, due to its −55 to +175 °C operating temperature range, ISO 7637-2 pulse 1/3a/b compliance capability, and robust 600 W surge rating. Its UL 497B recognition further supports use in safety-related subsystems. However, for ASIL-B/C functional safety domains, system-level FMEDA and fault injection validation remain the responsibility of the end-equipment designer - the P6KE24AG itself is not AEC-Q200 graded but widely deployed in production automotive ECUs.
P6KE24AG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- -
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20.5V
- Voltage - Breakdown (Min):
- 22.8V
- Voltage - Clamping (Max) @ Ipp:
- 33.2V
- Current - Peak Pulse (10/1000µs):
- 18A (8/20µs)
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- -
P6KE24AG FAQ
1.How can I place an order for P6KE24AG through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE24AG 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 P6KE24AG reliable?
The price and inventory of P6KE24AG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE24AG is usually 5 days.
3.What payment methods are accepted for P6KE24AG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE24AG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE24AG?
P6KE24AG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE24AG 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 P6KE24AG?
For technical support, including P6KE24AG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE24AG requirements.
6.How does Aetrix verify that P6KE24AG is sourced from the original manufacturer or authorized distributors?
All P6KE24AG 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 P6KE24AG meets industry standards.
7.What is the process for return or replacement of P6KE24AG?
All P6KE24AG units undergo pre-shipment inspection (PSI). If there is an issue with P6KE24AG, 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 P6KE24AG part is unused and in its original packaging.
Return procedure for P6KE24AG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE24AG Tags
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