5KP13-B Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The 5KP13-B is a unidirectional Zener-type transient voltage suppressor diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection applications. This component features a 13V reverse standoff voltage rating, 22.58V maximum clamping voltage, and 5000W peak pulse power handling capability in a through-hole P600 axial package. The 5KP13-B is classified as obsolete, necessitating identification of active equivalent and substitute parts to maintain design continuity and ensure ongoing component availability for new production and field replacements.

Substiute Parts

5KP13-B

Littelfuse Inc.In Stock: 9335KP13-B Datasheet

Current PartRFQ

5KP13A

Littelfuse Inc.In Stock: 42605KP13A Datasheet

DirectRFQ

5KP13A-B

Littelfuse Inc.In Stock: 9325KP13A-B Datasheet

DirectRFQ

SLD13U-017-B

Littelfuse Inc.In Stock: 932SLD13U-017-B Datasheet

MFR RecommendedRFQ

5KP13E3/TR13

Microchip TechnologyIn Stock: 9625KP13E3/TR13 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 5KP13-B is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 13V
• Unidirectional Channels: 1
• Mounting Type: Through Hole
• Package / Case: P600, Axial
• Power - Peak Pulse: 5000W (5kW)
• Operating Temperature Range: -55°C ~ 175°C (TJ)
• Type: Zener
• RoHS Status: ROHS3 Compliant

Substitute parts must maintain identical reverse standoff voltage, unidirectional topology, through-hole axial package configuration, and peak pulse power rating. Variations in voltage clamping characteristics and peak pulse current are permissible within the defined electrical operating envelope, provided all other parameters remain equivalent. All identified substitutes are manufactured by Littelfuse Inc. or approved cross-manufacturer equivalents and maintain active product status.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain electrical and mechanical equivalence to the 5KP13-B across critical parameters. Selection among active alternatives should be based on the following criteria:

5KP13A-B (Littelfuse Inc., Active): Direct Littelfuse equivalent available in bulk packaging. Maintains identical 13V reverse standoff voltage, P600 axial package, and 5000W peak pulse power rating. ROHS3 compliant with unlimited moisture sensitivity rating. Recommended for direct replacement in existing designs.

5KP13A (Littelfuse Inc., Active): Functionally equivalent to 5KP13A-B, differentiated by cut tape packaging format. Suitable for automated assembly processes requiring tape-and-reel or cut tape component delivery. Identical electrical specifications and compliance certifications.

SLD13U-017-B (Littelfuse Inc., Active): Manufacturer-recommended upgrade option with automotive-grade qualification (AEC-Q101). Maintains all electrical equivalence parameters while providing enhanced reliability certification for automotive and harsh-environment applications. Available in bulk packaging.

5KP13E3/TR13 (Microchip Technology, Active): Cross-manufacturer equivalent from Microchip Technology. Maintains 13V reverse standoff voltage and P600 axial package configuration. Voltage clamping characteristic of 23.8V represents upper tolerance band within acceptable operating envelope. Supplied in tape and reel format. ROHS3 compliant with unlimited moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can the 5KP13-B be directly replaced with any of the listed substitutes?

A: Yes. All listed substitute parts maintain identical reverse standoff voltage (13V), unidirectional topology, through-hole P600 axial package configuration, 5000W peak pulse power rating, and operating temperature range (-55°C to 175°C). Direct substitution is electrically and mechanically valid.

Q: What is the difference between 5KP13A and 5KP13A-B?

A: Both parts are electrically identical with matching 13V reverse standoff voltage, 21.5V maximum clamping voltage, and 237.2A peak pulse current. The primary difference is packaging format: 5KP13A-B is supplied in bulk, while 5KP13A is supplied in cut tape format. Selection depends on assembly process requirements.

Q: Why is SLD13U-017-B designated as a manufacturer-recommended option?

A: SLD13U-017-B carries AEC-Q101 automotive qualification, indicating enhanced reliability testing and validation for automotive-grade applications. While electrically equivalent to standard 5KP13A variants, this part is recommended for designs requiring automotive or mission-critical reliability standards.

Q: Is the Microchip Technology 5KP13E3/TR13 a suitable substitute?

A: Yes. The 5KP13E3/TR13 maintains all critical electrical parameters including 13V reverse standoff voltage, 5000W peak pulse power, and P600 axial package configuration. The 23.8V maximum clamping voltage represents a variation within acceptable operating tolerance. This part is supplied in tape and reel format.

Q: What packaging options are available for the substitute parts?

A: Substitute parts are available in three packaging formats: bulk (5KP13A-B, SLD13U-017-B), cut tape (5KP13A), and tape & reel (5KP13E3/TR13). Selection should align with manufacturing assembly equipment and procurement workflow requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance status, consistent with the original 5KP13-B specification.