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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) > TVS Diodes

Vishay General Semiconductor - Diodes Division 5KP22-E3/73

Name: 5KP22-E3/73
Brand: Vishay General Semiconductor - Diodes Division
SKU: 5KP22-E3/73
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 5KP22-E3/73

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: TVS Diodes

Package:: P600, Axial

Datasheet:: 5KP22-E3/73.pdf

Description:: TVS DIODE 22VWM 39.4VC P600

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Product details

Overview

5KP22-E3/73 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection on DC power rails and signal lines. It features 5000 W peak pulse power (10/1000 µs), 22 V stand-off voltage (V_WM), and clamps transients to ≤35.5 V at 141 A peak pulse current (I_PPM). It is AEC-Q101 qualified and used in automotive power supply output protection.

For engineers reviewing the 5KP22-E3/73 datasheet, 5KP22-E3/73 pinout, 5KP22-E3/73 application, or 5KP22-E3/73 equivalent, key selection criteria include clamping voltage vs. protected IC V_DS/V_CC margin, unidirectional polarity compatibility with DC bias, thermal derating above 25 °C, and P600 PCB footprint constraints for high-current transient dissipation.

Technical Context

This TVS operates as a voltage-clamping device triggered by reverse-biased avalanche breakdown above its 24.4–26.9 V breakdown voltage (V_BR at 50 mA). Its glass-passivated P600 junction enables low incremental surge resistance and sub-nanosecond response time to fast transients.

It is rated for 5000 W non-repetitive peak pulse power (10/1000 µs waveform, 0.01% duty cycle), with thermal derating starting at T_A = 25 °C and full power limited to T_L = 75 °C on infinite heatsink. Maximum junction temperature is 175 °C, and it withstands 600 A IFSM (8.3 ms half-sine).

Key Specifications

Parameter	Value and Actual Design Meaning
V_WM	22 V - maximum continuous reverse operating voltage before leakage exceeds 2 µA; sets upper limit for protected line DC bias.
V_BR min/max	24.4 V / 26.9 V at 50 mA - guaranteed avalanche onset range; ensures predictable turn-on under surge conditions.
V_C @ I_PPM	≤35.5 V at 141 A - clamping voltage during 5000 W transient; must stay below protected device's absolute maximum rating.
P_PPM	5000 W (10/1000 µs) - peak surge energy handling capacity; defines immunity level against lightning or inductive switch-off spikes.
I_FSM	600 A (8.3 ms half-sine) - single-event forward surge capability; supports crowbar-style overvoltage shutdown without fuse blow delay.
T_J max	175 °C - maximum junction temperature; requires thermal design to maintain safe operation under repeated surges.
Package	P600 - axial-lead, molded epoxy case (9.5 mm length, 5.4 mm diameter); UL 94 V-0 rated, RoHS-compliant matte tin leads.

Pinout & Package

P600 package: axial-leaded, cylindrical epoxy body with cathode band marking. Leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102, rated for 275 °C dip soldering (10 s max). Cathode end identified by color band.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry / transient return path	Connected to lower-potential side of protected circuit (e.g., ground or negative rail); carries full surge current during clamping.
Cathode	Avalanche breakdown node / clamping reference	Connected to higher-potential side (e.g., +22 V rail); voltage across cathode-anode is clamped to ≤35.5 V during surge.

Key Features

Feature	Design Value
5000 W peak pulse power	Enables protection against severe transients (e.g., ISO 7637-2 Pulse 5a) without cascading failure in automotive power supplies.
AEC-Q101 qualification	Validated for automotive under-hood environments including temperature cycling, humidity, and mechanical shock per stress test requirements.
Low clamping ratio (V_C/V_BR ≈ 1.35)	Minimizes overvoltage stress on downstream MOSFETs or controllers during clamping, preserving reliability margins.
175 °C max junction temperature	Supports operation in high-ambient environments (e.g., engine control units) with appropriate board-level thermal management.
P600 mechanical robustness	Molded UL 94 V-0 epoxy body withstands vibration and thermal cycling; lead finish meets JESD 201 Class 1A whisker resistance.

Applications

Automotive Power Supply Output Protection	Industrial DC Motor Drive Snubbing
Use Scenario: Installed across +12 V or +24 V battery-fed power supply outputs in engine control modules (ECMs) and body control units (BCUs). IC Role / Device Role / Timing Role: Voltage-clamping protector that diverts load-dump and jump-start transients away from downstream DC-DC converters and microcontrollers. Use Value: Clamps 5000 W surges to ≤35.5 V, preventing latch-up or gate oxide damage in protected ICs while maintaining AEC-Q101 compliance.	Use Scenario: Mounted across motor terminals or H-bridge outputs in factory automation drives and HVAC blower systems. IC Role / Device Role / Timing Role: Suppresses inductive kickback spikes generated during PWM switching or emergency stop events. Use Value: Limits voltage overshoot to <36 V during 600 A IFSM events, avoiding MOSFET avalanche failure and enabling reliable system reset after fault clearance.
Telecom DC Feeder Line Protection	Renewable Energy Inverter DC Link Clamp
Use Scenario: Placed on -48 V DC distribution lines feeding base station radios and remote radio heads (RRHs). IC Role / Device Role / Timing Role: Unidirectional TVS absorbing lightning-induced surges and AC coupling transients on telecom power feeds. Use Value: Withstands 10/1000 µs waveforms up to 5000 W while maintaining <2 µA leakage at -48 V, ensuring minimal standby power loss.	Use Scenario: Connected across DC link capacitors in solar string inverters and wind turbine converters exposed to grid fault transients. IC Role / Device Role / Timing Role: Fast-acting clamp limiting DC bus overvoltage during grid short-circuit recovery or islanding events. Use Value: Delivers 141 A I_PPM clamping at ≤35.5 V, protecting IGBT gate drivers and supporting safe shutdown without bus capacitor overvoltage rupture.

Automotive Power Supply Output Protection

Industrial DC Motor Drive Snubbing

Use Scenario: Installed across +12 V or +24 V battery-fed power supply outputs in engine control modules (ECMs) and body control units (BCUs).

IC Role / Device Role / Timing Role: Voltage-clamping protector that diverts load-dump and jump-start transients away from downstream DC-DC converters and microcontrollers.

Use Value: Clamps 5000 W surges to ≤35.5 V, preventing latch-up or gate oxide damage in protected ICs while maintaining AEC-Q101 compliance.

Use Scenario: Mounted across motor terminals or H-bridge outputs in factory automation drives and HVAC blower systems.

IC Role / Device Role / Timing Role: Suppresses inductive kickback spikes generated during PWM switching or emergency stop events.

Use Value: Limits voltage overshoot to <36 V during 600 A IFSM events, avoiding MOSFET avalanche failure and enabling reliable system reset after fault clearance.

Telecom DC Feeder Line Protection

Renewable Energy Inverter DC Link Clamp

Use Scenario: Placed on -48 V DC distribution lines feeding base station radios and remote radio heads (RRHs).

IC Role / Device Role / Timing Role: Unidirectional TVS absorbing lightning-induced surges and AC coupling transients on telecom power feeds.

Use Value: Withstands 10/1000 µs waveforms up to 5000 W while maintaining <2 µA leakage at -48 V, ensuring minimal standby power loss.

Use Scenario: Connected across DC link capacitors in solar string inverters and wind turbine converters exposed to grid fault transients.

IC Role / Device Role / Timing Role: Fast-acting clamp limiting DC bus overvoltage during grid short-circuit recovery or islanding events.

Use Value: Delivers 141 A I_PPM clamping at ≤35.5 V, protecting IGBT gate drivers and supporting safe shutdown without bus capacitor overvoltage rupture.

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient voltage suppression applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMBJ22A	Lower peak power (600 W), SMC package, same V_WM (22 V), higher V_C (35.5 V → 37.5 V), 30 A I_PPM.	Not suitable for automotive load-dump or industrial motor snubbing; limited to low-energy signal-line or secondary-side protection.	Select SMBJ22A only when space-constrained layouts and <1 kW surge levels are acceptable; verify thermal limits under repeated pulses.
1.5KE22A	Same P600 package, lower peak power (1500 W), identical V_WM/V_BR, V_C = 33.2 V at 45.3 A I_PPM.	Insufficient for ISO 16750-2 or IEC 61000-4-5 Level 4 testing; cannot replace 5KP22-E3/73 in primary DC rail protection.	Use 1.5KE22A where cost sensitivity outweighs surge margin and thermal robustness; avoid in AEC-Q101-mandated designs.

Compared with SMBJ22A and 1.5KE22A, the 5KP22-E3/73 delivers 3.3× and 3.3× higher peak pulse power respectively, enabling compliance with automotive load-dump standards and industrial motor drive surge immunity-without changing PCB layout or thermal interface design.

Availability

5KP22-E3/73 is available at Aetrix Electronics and suitable for automotive electronics, industrial motor drives, telecom power systems, and renewable energy inverters requiring stable component supply across extended production lifecycles.

Supply support for 5KP22-E3/73 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

Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability and automotive-grade qualification.

The 5KP series was engineered specifically for high-energy transient suppression in automotive and industrial power systems, targeting replacement of crowbar circuits and enabling fuse/breaker coordination during overvoltage events.

FAQ

What is the clamping voltage of the 5KP22-E3/73 under maximum rated surge current?

The 5KP22-E3/73 clamps to a maximum of 35.5 V when subjected to its rated 141 A peak pulse current (I_PPM) using a 10/1000 µs waveform. This value is measured and guaranteed per JEDEC test conditions and defines the upper voltage limit imposed on protected circuitry during transient events.

Is the 5KP22-E3/73 suitable for bidirectional transient protection?

No-the 5KP22-E3/73 is a unidirectional TVS diode, intended only for DC circuits with defined polarity. It conducts in reverse avalanche mode above V_BR but blocks forward current beyond ~3.5 V. For AC or bidirectional signal lines, a dedicated bidirectional part such as 5KP22CA must be selected instead of the 5KP22-E3/73.

Does the 5KP22-E3/73 meet automotive qualification standards?

Yes-the 5KP22-E3/73 is AEC-Q101 qualified, confirming its suitability for automotive applications including engine control, body electronics, and infotainment systems. The "E3" suffix indicates RoHS compliance and JESD 201 Class 1A whisker resistance, both required for automotive manufacturing.

What is the thermal derating behavior of the 5KP22-E3/73 above 25 °C ambient?

The 5KP22-E3/73 follows a linear derating curve beginning at 25 °C: peak pulse power decreases by approximately 1.2% per °C rise in ambient temperature. At 100 °C ambient, its usable P_PPM drops to ~4100 W; full 5000 W operation requires heatsinking or ambient control per Figure 2 in Vishay document 88308.

Can the 5KP22-E3/73 replace a 1.5KE22A in an existing design?

No direct replacement is recommended-the 5KP22-E3/73 has 3.3× higher peak pulse power (5000 W vs. 1500 W) and different thermal mass. While electrically compatible in stand-off voltage, its higher energy absorption alters PCB trace heating, fuse coordination, and transient decay timing. Redesign validation is required before substituting 5KP22-E3/73 for 1.5KE22A.

5KP22-E3/73 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Package/Case:: P600, Axial

Series:: TransZorb®

Packaging:: Tape & Box (TB)

Product Status:: Obsolete

Type:: Zener

Unidirectional Channels:: 1

Bidirectional Channels:: -

Voltage - Reverse Standoff (Typ):: 22V

Voltage - Breakdown (Min):: 24.4V

Voltage - Clamping (Max) @ Ipp:: 39.4V

Current - Peak Pulse (10/1000µs):: 127A

Power - Peak Pulse:: 5000W (5kW)

Power Line Protection:: No

Applications:: General Purpose

Capacitance @ Frequency:: -

Operating Temperature:: -55°C ~ 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: P600

5KP22-E3/73 FAQ

1.How can I place an order for 5KP22-E3/73 through Aetrix?

Please submit a Request for Quotation (RFQ) for 5KP22-E3/73 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 5KP22-E3/73 reliable?

The price and inventory of 5KP22-E3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP22-E3/73 is usually 5 days.

3.What payment methods are accepted for 5KP22-E3/73?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP22-E3/73 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 5KP22-E3/73?

5KP22-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 5KP22-E3/73 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 5KP22-E3/73?

For technical support, including 5KP22-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP22-E3/73 requirements.

6.How does Aetrix verify that 5KP22-E3/73 is sourced from the original manufacturer or authorized distributors?

All 5KP22-E3/73 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 5KP22-E3/73 meets industry standards.

7.What is the process for return or replacement of 5KP22-E3/73?

All 5KP22-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP22-E3/73, 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 5KP22-E3/73 part is unused and in its original packaging.

Return procedure for 5KP22-E3/73:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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