SPHV24-01KTG-C Equivalent & Substitute Parts

Part Overview

The SPHV24-01KTG-C is a 24V Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for surface mount applications in automotive-grade circuits. This bidirectional Zener diode provides transient overvoltage protection with a 50V clamping voltage and 3A peak pulse current rating. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.

Substiute Parts

SPHV24-01KTG-C

Littelfuse Inc.In Stock: 15129SPHV24-01KTG-C Datasheet

Current PartRFQ

AQHV24-01ETG-C

Littelfuse Inc.In Stock: 30507AQHV24-01ETG-C Datasheet

DirectRFQ

SPHV24-01ETG-C

Littelfuse Inc.In Stock: 331127SPHV24-01ETG-C Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SPHV24-01KTG-C are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - Reverse Standoff: 24V (Max)
• Voltage - Breakdown (Min): 26.7V
• Voltage - Clamping (Max) @ Ipp: 50V
• Current - Peak Pulse (8/20µs): 3A
• Power - Peak Pulse: 200W
• Package / Case: SOD-882
• Mounting Type: Surface Mount
• Type: Zener, Bidirectional
• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant

All identified substitutes maintain identical electrical performance specifications and package compatibility. Differences in product status and packaging format do not affect functional equivalence in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

SPHV24-01ETG-C is the primary recommended substitute. This part maintains identical electrical specifications and operating temperature range to the obsolete SPHV24-01KTG-C while offering active product status. Both parts belong to the same SPHV-C series and carry equivalent automotive-grade AEC-Q101 qualification. The part is available in Cut Tape and Digi-Reel packaging formats.

AQHV24-01ETG-C is an alternative substitute from the AQHV-C series. This part provides identical electrical performance and automotive qualification. The operating temperature range extends to 150°C, offering enhanced thermal capability compared to the main part. This part is supplied in Tape & Reel packaging format.

Both substitutes are ROHS3 compliant and carry AEC-Q101 automotive qualification, ensuring compliance with automotive design standards and environmental regulations.

Frequently Asked Questions (FAQ)

Q: Can SPHV24-01ETG-C be used as a direct replacement for SPHV24-01KTG-C?

A: Yes. Both parts share identical electrical specifications including 24V reverse standoff voltage, 26.7V breakdown voltage, 50V clamping voltage, and 3A peak pulse current. The SOD-882 package and surface mount configuration are identical. The primary difference is product status: SPHV24-01ETG-C is active while SPHV24-01KTG-C is obsolete.

Q: What is the difference between SPHV24-01ETG-C and AQHV24-01ETG-C?

A: Both parts provide identical electrical performance and automotive qualification. The key difference is operating temperature range: SPHV24-01ETG-C operates from -40°C to 125°C, while AQHV24-01ETG-C operates from -40°C to 150°C. AQHV24-01ETG-C is suitable for applications requiring extended thermal performance. Packaging formats also differ: SPHV24-01ETG-C uses Cut Tape and Digi-Reel, while AQHV24-01ETG-C uses Tape & Reel.

Q: Are packaging format differences significant for circuit compatibility?

A: Packaging format differences (Cut Tape, Digi-Reel, Tape & Reel) affect procurement and assembly handling but do not impact electrical performance or circuit compatibility. All three parts use the SOD-882 surface mount package and are functionally equivalent in circuit applications.

Q: Do all substitute parts maintain AEC-Q101 automotive qualification?

A: Yes. SPHV24-01ETG-C and AQHV24-01ETG-C both carry AEC-Q101 automotive qualification, matching the original part's certification level.

Q: Is the extended temperature range of AQHV24-01ETG-C necessary for standard automotive applications?

A: The extended temperature range (-40°C to 150°C) of AQHV24-01ETG-C provides additional thermal margin. For applications operating within -40°C to 125°C, either SPHV24-01ETG-C or AQHV24-01ETG-C is suitable. Selection depends on specific thermal requirements and availability.