SMDJ110C Equivalent & Substitute Parts

Part Overview

The SMDJ110C is a bidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 110V reverse standoff voltage with a 185.85V maximum clamping voltage and 16.9A peak pulse current capability in a DO-214AB (SMC) package. The product is currently obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.

Substiute Parts

SMDJ110C

Littelfuse Inc.In Stock: 1140SMDJ110C Datasheet

Current PartRFQ

SMDJ110CA

Alpha & Omega Semiconductor Inc.In Stock: 30282SMDJ110CA Datasheet

DirectRFQ

SMCJ110CA

Fairchild SemiconductorIn Stock: 3386SMCJ110CA Datasheet

MFR RecommendedRFQ

SMCJ110CA

Fairchild SemiconductorIn Stock: 3386SMCJ110CA Datasheet

MFR RecommendedRFQ

SMCJ110CAE3/TR13

Microchip TechnologyIn Stock: 831SMCJ110CAE3/TR13 Datasheet

MFR RecommendedRFQ

SMLJ110CA

Bourns Inc.In Stock: 1070SMLJ110CA Datasheet

MFR RecommendedRFQ

SMLJ110CA-TP

Micro Commercial CoIn Stock: 847SMLJ110CA-TP Datasheet

MFR RecommendedRFQ

TV15C111JB-G

Comchip TechnologyIn Stock: 925TV15C111JB-G Datasheet

MFR RecommendedRFQ

TV15C111JB-HF

Comchip TechnologyIn Stock: 1009TV15C111JB-HF Datasheet

MFR RecommendedRFQ

TV30C111JB-G

Comchip TechnologyIn Stock: 965TV30C111JB-G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMDJ110C is determined by the following critical parameters:

• Reverse Standoff Voltage: Must be 110V (Typ)
• Package Type: Must be DO-214AB (SMC) for mechanical and thermal compatibility
• Mounting Type: Must be Surface Mount
• Bidirectional Channels: Must be 1
• Clamping Voltage Range: Acceptable range 177V to 185.85V
• Peak Pulse Current: Acceptable range 8.4A to 17A
• Peak Pulse Power: Acceptable range 1500W to 3000W
• Operating Temperature: Minimum -55°C to 150°C acceptable

All substitute parts listed maintain the same 110V standoff voltage and DO-214AB package footprint. Variations in clamping voltage, peak pulse current, and power dissipation reflect different manufacturer designs while preserving functional equivalence for general-purpose transient suppression applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility)

SMDJ110CA (Alpha & Omega Semiconductor Inc.) and TV30C111JB-G (Comchip Technology) provide the closest electrical match to the SMDJ110C, maintaining 17A and 16.95A peak pulse current respectively with 3000W power dissipation. Both are ROHS3 compliant and active products with established supply availability.

SMCJ110CAE3/TR13 (Microchip Technology) offers extended operating temperature range (-65°C to 150°C) matching the original SMDJ110C specification, with ROHS3 compliance and moisture sensitivity level 1. This part is suitable for applications requiring the full temperature range.

Secondary Substitutes (Reduced Power Handling)

SMCJ110CA (Fairchild Semiconductor), TV15C111JB-G, and TV15C111JB-HF (Comchip Technology) operate at reduced peak pulse current (8.4A to 8.47A) and 1500W power dissipation. These parts are appropriate for applications with lower transient energy requirements while maintaining the 110V standoff voltage and DO-214AB package compatibility.

Extended Temperature Capability

SMLJ110CA-TP (Micro Commercial Co) extends the upper operating temperature to 175°C, providing additional thermal margin for high-temperature environments while maintaining 3000W power dissipation and 16.8A peak pulse current.

All substitute parts maintain ROHS3 compliance and are actively manufactured, ensuring long-term procurement viability.

Frequently Asked Questions (FAQ)

Q: Can SMCJ110CA replace SMDJ110C in all applications?

A: SMCJ110CA is mechanically and electrically compatible in the same DO-214AB package with matching 110V standoff voltage. However, it operates at 1500W peak pulse power versus the original 3000W. Use SMCJ110CA only in applications where transient energy does not exceed 1500W. For 3000W applications, select SMDJ110CA, SMLJ110CA, or TV30C111JB-G.

Q: What is the difference between SMLJ110CA and SMLJ110CA-TP?

A: Both parts are electrically identical with 110V standoff voltage, 177V clamping voltage, 16.8A peak pulse current, and 3000W power dissipation. SMLJ110CA-TP extends the upper operating temperature to 175°C compared to 150°C for SMLJ110CA. Select SMLJ110CA-TP for applications requiring operation above 150°C.

Q: Are all substitute parts in the same package?

A: Yes. All substitute parts use the DO-214AB (SMC) surface-mount package, ensuring identical PCB footprint and reflow soldering compatibility with the original SMDJ110C design.

Q: Which substitute offers the best temperature range coverage?

A: SMCJ110CAE3/TR13 (Microchip Technology) and SMLJ110CA-TP (Micro Commercial Co) provide extended temperature ranges. SMCJ110CAE3/TR13 covers -65°C to 150°C, matching the original SMDJ110C. SMLJ110CA-TP extends to 175°C at the upper limit.

Q: What compliance certifications apply to all substitutes?

A: All substitute parts listed are ROHS3 compliant. Moisture sensitivity level is 1 (Unlimited) for parts where specified. REACH status varies by manufacturer; verify specific REACH compliance requirements for your application region.

Q: Can I use TV15C111JB-G or TV15C111JB-HF in high-energy transient applications?

A: No. These parts are rated for 1500W peak pulse power, half the original SMDJ110C specification of 3000W. Use only in applications where transient energy is confirmed below 1500W. For equivalent 3000W capability, select SMDJ110CA, SMLJ110CA, SMLJ110CA-TP, or TV30C111JB-G.

Q: What is the difference between TV15C111JB-G and TV15C111JB-HF?

A: Both parts are electrically identical with 110V standoff voltage, 177V clamping voltage, 8.47A peak pulse current, and 1500W power dissipation. The suffix designates different packaging or lead finish specifications. Verify packaging requirements with your supplier before selection.