SMDJ6.0C Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The SMDJ6.0C is a bidirectional transient voltage suppressor diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 6V reverse standoff voltage with a 10.82V maximum clamping voltage and 291.3A peak pulse current capability in a DO-214AB (SMC) package. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs and production continuity.

Substiute Parts

SMDJ6.0C

Littelfuse Inc.In Stock: 3366SMDJ6.0C Datasheet

Current PartRFQ

SMDJ6.0CA

Alpha & Omega Semiconductor Inc.In Stock: 7118SMDJ6.0CA Datasheet

DirectRFQ

SMCJ6.0CA

MDDIn Stock: 8737SMCJ6.0CA Datasheet

MFR RecommendedRFQ

SMCJ6.0CA-TP

Micro Commercial CoIn Stock: 4180SMCJ6.0CA-TP Datasheet

MFR RecommendedRFQ

SMCJ6.0CAE3/TR13

Microchip TechnologyIn Stock: 1060SMCJ6.0CAE3/TR13 Datasheet

MFR RecommendedRFQ

SMCJ6V0CA

Fairchild SemiconductorIn Stock: 19128SMCJ6V0CA Datasheet

MFR RecommendedRFQ

SMLJ6.0CA

Bourns Inc.In Stock: 39294SMLJ6.0CA Datasheet

MFR RecommendedRFQ

SMLJ6.0CA-TP

Micro Commercial CoIn Stock: 730SMLJ6.0CA-TP Datasheet

MFR RecommendedRFQ

SMLJ6.0CAE3/TR13

Microchip TechnologyIn Stock: 1014SMLJ6.0CAE3/TR13 Datasheet

MFR RecommendedRFQ

TV15C6V0JB-G

Comchip TechnologyIn Stock: 888TV15C6V0JB-G Datasheet

MFR RecommendedRFQ

TV15C6V0JB-HF

Comchip TechnologyIn Stock: 1050TV15C6V0JB-HF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMDJ6.0C is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - Reverse Standoff: 6V (nominal)
• Voltage - Clamping (Max) @ Ipp: 10.3V to 10.82V range
• Bidirectional Channels: 1
• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount
• Applications: General Purpose

Grouping Logic: Substitute parts are organized into two categories based on peak pulse current and power dissipation capacity:

Group A (Full Power Equivalents): Parts with 291.3A peak pulse current and 3000W power rating maintain identical electrical performance to the SMDJ6.0C.

Group B (Reduced Power Equivalents): Parts with 145.6A to 146.63A peak pulse current and 1500W power rating provide functional overvoltage protection but with reduced transient energy handling capacity.

All substitute parts maintain the same 6V reverse standoff voltage, 10.3V clamping voltage, DO-214AB package, and surface-mount configuration. Selection between groups depends on circuit transient energy requirements.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation - Full Power Equivalents (Group A):

SMDJ6.0CA (Alpha & Omega Semiconductor Inc.) and SMLJ6.0CA (Bourns Inc.) are the preferred direct substitutes. Both maintain the 291.3A peak pulse current and 3000W power dissipation of the original SMDJ6.0C, ensuring identical transient energy handling. Both are active products with ROHS3 compliance. SMDJ6.0CA operates across -55°C to 150°C, while SMLJ6.0CA covers the same range. SMLJ6.0CA-TP (Micro Commercial Co) extends the upper operating temperature to 175°C and is suitable for high-temperature applications.

Secondary Recommendation - Reduced Power Equivalents (Group B):

SMCJ6.0CAE3/TR13 (Microchip Technology) and TV15C6V0JB-HF (Comchip Technology) are suitable for applications where transient energy is limited to 1500W. Both maintain the 6V reverse standoff voltage and 10.3V clamping voltage. SMCJ6.0CAE3/TR13 operates across -65°C to 150°C, matching the original temperature range. TV15C6V0JB-HF operates -55°C to 150°C. SMCJ6.0CA-TP (Micro Commercial Co) offers extended temperature operation to 175°C.

All recommended substitutes are active products with ROHS3 compliance and DO-214AB (SMC) surface-mount packaging, ensuring PCB compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can I use a Group B (reduced power) substitute in place of the SMDJ6.0C?

A: Group B substitutes (1500W rating) are functionally compatible only if the circuit's transient energy does not exceed 1500W. The SMDJ6.0C is rated for 3000W. If your application experiences transients exceeding 1500W, Group B parts will not provide adequate protection and may fail prematurely. Verify circuit transient energy specifications before selecting a Group B substitute.

Q: Are all substitute parts pin-compatible with the SMDJ6.0C?

A: Yes. All substitute parts use the DO-214AB (SMC) package with identical pin configuration and footprint. No PCB layout modifications are required for mechanical compatibility.

Q: What is the difference between SMDJ, SMCJ, SMLJ, and TV15C series designations?

A: These designations identify different manufacturers' product lines within the 6V TVS diode category. SMDJ is Littelfuse's series, SMCJ is used by multiple manufacturers (MDD, Microchip, Micro Commercial Co), SMLJ is Bourns' series, and TV15C is Comchip's series. All maintain equivalent electrical specifications for the 6V/10.3V rating.

Q: Which substitute offers the widest operating temperature range?

A: SMLJ6.0CA-TP and SMCJ6.0CA-TP both extend to 175°C maximum junction temperature, compared to the SMDJ6.0C's 150°C limit. These are suitable for high-temperature environments.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting environmental and hazardous substance restrictions.

Q: What packaging options are available for the substitutes?

A: Substitute parts are available in Tape & Reel (TR) and Bulk packaging. Tape & Reel is standard for automated assembly; Bulk packaging is available for select parts. Verify packaging availability with your supplier for production requirements.