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5KP24AE3/TR13 Equivalent & Substitute Parts
Part Overview
The 5KP24AE3/TR13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This through-hole component features a 24V reverse standoff voltage with a maximum clamping voltage of 38.9V at peak pulse current of 129A. The device is supplied in Tape & Reel packaging with P600 axial case configuration and operates across the temperature range of -55°C to 175°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity rating.
Equivalent and substitute parts are identified based on matching electrical performance parameters, including reverse standoff voltage, clamping voltage, peak pulse current capability, and power dissipation ratings. Substitute components may differ in packaging format, manufacturer, or specific peak pulse current values while maintaining functional equivalence within the specified electrical operating window.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 24 | V |
| Voltage - Breakdown (Min) | 26.7 | V |
| Voltage - Clamping (Max) @ Ipp | 38.9 | V |
| Current - Peak Pulse (10/1000µs) | 129 | A |
| Power - Peak Pulse | 5000 | W |
| Operating Temperature Range | -55 to 175 | °C |
| Mounting Type | Through Hole | — |
| Package / Case | P600, Axial | — |
| Type | Zener | — |
| Unidirectional Channels | 1 | — |
Substitute Part Grouping Explanation
Substitution of the 5KP24AE3/TR13 is determined by the following critical electrical parameters:
Primary Matching Criteria:
- Voltage - Reverse Standoff: 24V (±tolerance)
- Voltage - Clamping (Max) @ Ipp: 38.9V
- Voltage - Breakdown (Min): 26.7V
- Unidirectional Channels: 1
- Type: Zener
- Operating Temperature Range: -55°C to 175°C minimum
Secondary Considerations:
- Current - Peak Pulse (10/1000µs): 129A or greater
- Power - Peak Pulse: 5000W or greater
- Mounting Type: Through Hole
- Package / Case: P600 or equivalent axial configuration
Substitute parts are classified into two categories:
Direct Equivalents: Parts maintaining identical electrical specifications across all critical parameters, differing only in packaging format (Tape & Reel versus Cut Tape versus Bulk) or manufacturer designation.
Functional Equivalents: Parts meeting all voltage specifications and temperature range requirements with peak pulse current and power ratings equal to or exceeding the main part, accommodating different package geometries (P600 versus R-6 versus DO-201) or manufacturer series designations.
Parameter Comparison
| Part Number | Manufacturer | Reverse Standoff (V) | Breakdown Min (V) | Clamping Max @ Ipp (V) | Peak Pulse Current (A) | Peak Pulse Power (W) | Package / Case | Packaging Type |
|---|---|---|---|---|---|---|---|---|
| 5KP24AE3/TR13 | Microchip Technology | 24 | 26.7 | 38.9 | 129 | 5000 | P600, Axial | Tape & Reel |
| 5KP24A-E3/54 | Vishay General Semiconductor | 24 | 26.7 | 38.9 | 129 | 5000 | P600, Axial | Cut Tape |
| 5KP24A | Littelfuse Inc. | 24 | 26.7 | 38.9 | 131.1 | 5000 | P600, Axial | Cut Tape |
| 5KP24A-B | Littelfuse Inc. | 24 | 26.7 | 38.9 | 131.1 | 5000 | P600, Axial | Bulk |
| 5KP24A-TP | Micro Commercial Co | 24 | 26.7 | 38.9 | — | 5000 | R-6, Axial | Cut Tape |
| 3KP24A-TP | Micro Commercial Co | 24 | 26.7 | 38.9 | — | 3000 | R-6, Axial | Cut Tape |
| LCE24A | Littelfuse Inc. | 24 | 26.7 | 38.9 | 39 | 1500 | DO-201AA, Axial | Cut Tape |
| SLD24U-017 | Littelfuse Inc. | 24 | 26.7 | 38.9 | 131.1 | 5000 | P600, Axial | Cut Tape |
| SLD24U-017-B | Littelfuse Inc. | 24 | 26.7 | 38.9 | 131.1 | 5000 | P600, Axial | Bulk |
Engineering Selection Recommendations
Tier 1 - Direct Electrical and Mechanical Equivalents:
The 5KP24A-E3/54 (Vishay General Semiconductor) and 5KP24A (Littelfuse Inc.) represent direct functional equivalents with identical voltage specifications, P600 axial packaging, and equal or superior peak pulse current ratings (129A and 131.1A respectively). Both parts maintain Active product status and ROHS3 compliance. Selection between these options depends on packaging availability: 5KP24A-E3/54 is supplied in Cut Tape format, while 5KP24A is available in Cut Tape or Bulk (5KP24A-B) configurations.
The SLD24U-017 and SLD24U-017-B (Littelfuse Inc., SLD series) provide identical electrical performance with automotive-grade qualification (AEC-Q101) and are suitable for applications requiring automotive-level reliability. These parts maintain the same P600 axial package and 5000W peak pulse power rating.
Tier 2 - Functional Equivalents with Package Variation:
The 5KP24A-TP (Micro Commercial Co) maintains full voltage and power specifications (5000W) but uses an R-6 axial package instead of P600. This substitution is valid where PCB layout accommodates the different package geometry. Peak pulse current specification is not provided for this part.
Tier 3 - Reduced Power Rating Alternatives:
The 3KP24A-TP (Micro Commercial Co) meets all voltage requirements but provides reduced peak pulse power of 3000W compared to the 5000W specification of the main part. This substitution is applicable only in applications where peak pulse power requirements do not exceed 3000W.
The LCE24A (Littelfuse Inc., LCE series) maintains voltage specifications but features significantly reduced peak pulse current (39A) and power rating (1500W) with DO-201 package configuration. This substitution is restricted to low-current transient suppression applications.
Compliance and Certification:
All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and REACH unaffected status, matching the regulatory profile of the main part. The SLD series components provide additional automotive qualification (AEC-Q101) for applications requiring this certification level.
Frequently Asked Questions (FAQ)
Q: Can the 5KP24A-E3/54 directly replace the 5KP24AE3/TR13?
A: Yes. Both parts share identical electrical specifications: 24V reverse standoff, 26.7V minimum breakdown, 38.9V maximum clamping voltage, and 129A peak pulse current. The primary difference is packaging format: 5KP24A-E3/54 is supplied in Cut Tape while 5KP24AE3/TR13 is supplied in Tape & Reel. Both use P600 axial case configuration and are suitable for direct substitution in applications where packaging format does not constrain component handling or assembly processes.
Q: What is the difference between the 5KP24A and 5KP24A-B?
A: The 5KP24A and 5KP24A-B are electrically identical, both manufactured by Littelfuse Inc. with 24V reverse standoff, 38.9V clamping voltage, 131.1A peak pulse current, and 5000W power rating in P600 axial package. The designation suffix indicates packaging format: 5KP24A is supplied in Cut Tape, while 5KP24A-B is supplied in Bulk. Selection depends on procurement and assembly requirements.
Q: Can the LCE24A substitute for the 5KP24AE3/TR13 in all applications?
A: The LCE24A maintains identical voltage specifications (24V reverse standoff, 38.9V clamping) and operating temperature range but provides significantly reduced peak pulse current (39A versus 129A) and power dissipation (1500W versus 5000W). Substitution is valid only in applications where transient pulse energy does not exceed the LCE24A rating. The LCE24A uses DO-201 package configuration, requiring PCB layout modification compared to the P600 package of the main part.
Q: What is the significance of the SLD24U-017 automotive qualification?
A: The SLD24U-017 and SLD24U-017-B carry AEC-Q101 automotive qualification, indicating compliance with automotive industry reliability and testing standards. These parts are suitable for automotive applications requiring certified component qualification. Non-automotive applications may use standard industrial-grade equivalents such as the 5KP24A or 5KP24A-E3/54 without requiring automotive certification.
Q: How does package geometry affect substitution between P600 and R-6 configurations?
A: P600 and R-6 are both axial through-hole packages but differ in physical dimensions and lead spacing. The 5KP24A-TP (R-6 package) cannot be directly substituted without PCB layout modification. Verify PCB hole spacing and component clearance requirements before selecting R-6 package alternatives. Consult mechanical drawings or component datasheets for precise dimensional specifications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance status, matching the regulatory requirement of the main part 5KP24AE3/TR13. All parts also maintain unlimited moisture sensitivity rating (MSL 1) and REACH unaffected status.
Q: What determines whether a part qualifies as a functional equivalent?
A: Functional equivalence is established by matching the critical electrical parameters: 24V reverse standoff voltage, 26.7V minimum breakdown voltage, 38.9V maximum clamping voltage, and unidirectional zener diode type with single channel configuration. Peak pulse current and power ratings must equal or exceed the main part specification. Operating temperature range must span -55°C to 175°C minimum. Package configuration and manufacturer designation are secondary considerations that do not affect functional equivalence.
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