SPHV12-01KTG-C Equivalent & Substitute Parts

Part Overview

The SPHV12-01KTG-C is a Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for surface mount applications in automotive-grade circuits. This bidirectional Zener diode provides transient voltage protection with a 12V reverse standoff voltage and 25V maximum clamping voltage. The part is classified as obsolete, making identification of active equivalent substitutes essential for ongoing design support and procurement continuity.

Substiute Parts

SPHV12-01KTG-C

Littelfuse Inc.In Stock: 1026SPHV12-01KTG-C Datasheet

Current PartRFQ

SPHV12-01ETG-C

Littelfuse Inc.In Stock: 3948SPHV12-01ETG-C Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPHV12-01KTG-C is determined by strict equivalence across the following critical parameters:

Voltage specifications must match exactly: 12V reverse standoff voltage, 13.3V minimum breakdown voltage, and 25V maximum clamping voltage. Current handling capability must remain at 8A peak pulse (8/20µs) with 200W peak pulse power dissipation. The package must be SOD-882 surface mount to ensure mechanical and thermal compatibility. Automotive grade classification and AEC-Q101 qualification are mandatory for applications requiring automotive compliance. Operating temperature range must span -40°C to 125°C junction temperature. Capacitance at 1MHz must be 30pF. RoHS3 compliance and MSL 1 rating must be maintained.

The substitute part SPHV12-01ETG-C meets all these criteria and differs only in packaging format (Tape & Reel versus cut tape) and product status (Active versus Obsolete).

Parameter Comparison

Engineering Selection Recommendations

The SPHV12-01ETG-C is the direct functional equivalent of the SPHV12-01KTG-C. Both parts are manufactured by Littelfuse Inc. within the same SPHV-C series and maintain identical electrical and thermal specifications. The primary distinction is product status: SPHV12-01KTG-C is obsolete while SPHV12-01ETG-C is active, ensuring continued availability and manufacturing support.

Both parts carry automotive grade classification and AEC-Q101 qualification, meeting stringent automotive reliability standards. Both are ROHS3 compliant and carry MSL 1 rating, indicating unlimited shelf life under standard storage conditions.

The packaging format difference (cut tape versus Tape & Reel) does not affect electrical performance or mechanical compatibility. Selection between these formats depends on procurement volume and assembly line requirements. For new designs or ongoing production requiring component continuity, SPHV12-01ETG-C is the appropriate selection due to its active product status.

Frequently Asked Questions (FAQ)

Q: Can SPHV12-01ETG-C be used as a direct replacement for SPHV12-01KTG-C?

A: Yes. Both parts are electrically and mechanically identical. They share the same voltage specifications (12V standoff, 25V clamp), current rating (8A), power dissipation (200W), package (SOD-882), and automotive qualifications (AEC-Q101). The only difference is product status and packaging format.

Q: What is the significance of the product status difference?

A: SPHV12-01KTG-C is classified as obsolete, meaning Littelfuse Inc. has discontinued active manufacturing and support. SPHV12-01ETG-C is active, ensuring ongoing availability, manufacturing consistency, and technical support. For new designs or production continuity, the active part is recommended.

Q: Does the Tape & Reel packaging of SPHV12-01ETG-C affect circuit performance?

A: No. Packaging format (cut tape versus Tape & Reel) is a procurement and assembly consideration only. It does not affect electrical characteristics, thermal performance, or reliability. Selection depends on assembly line automation and volume requirements.

Q: Are both parts suitable for automotive applications?

A: Yes. Both SPHV12-01KTG-C and SPHV12-01ETG-C carry automotive grade classification and AEC-Q101 qualification, meeting automotive industry reliability and quality standards.

Q: What is the shelf life of these components?

A: Both parts carry MSL 1 (Unlimited) rating, indicating unlimited shelf life under standard storage conditions (typically 23°C ± 2°C, 45% to 75% relative humidity).

Q: Are there any compliance differences between the two parts?

A: No. Both parts are ROHS3 compliant and carry identical environmental and regulatory certifications. SPHV12-01ETG-C includes REACH Unaffected status, which is also applicable to SPHV12-01KTG-C.