SMBJ220C Equivalent & Substitute Parts

Part Overview

The SMBJ220C is a transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 220V reverse standoff voltage with a 373.8V maximum clamping voltage and 1.7A peak pulse current capability in a DO-214AA (SMB) package. The SMBJ220C is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements.

Substiute Parts

SMBJ220C

Littelfuse Inc.In Stock: 737SMBJ220C Datasheet

Current PartRFQ

SMBJ220CA

MeritekIn Stock: 23814SMBJ220CA Datasheet

MFR RecommendedRFQ

SMBJ220CA

MeritekIn Stock: 23814SMBJ220CA Datasheet

MFR RecommendedRFQ

SMBJ220CA-TP

Micro Commercial CoIn Stock: 1116SMBJ220CA-TP Datasheet

MFR RecommendedRFQ

TV06B221JB-HF

Comchip TechnologyIn Stock: 949TV06B221JB-HF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMBJ220C are qualified based on the following critical parameters that must align with the original component:

• Voltage - Reverse Standoff (Typ): 220V
• Package / Case: DO-214AA (SMB)
• Mounting Type: Surface Mount
• Type: Zener, Bidirectional
• Power - Peak Pulse: 600W
• Applications: General Purpose

The substitute parts listed maintain these core electrical and mechanical specifications. Variations in clamping voltage (356V vs. 373.8V) and peak pulse current (1.69A vs. 1.7A) remain within acceptable tolerance ranges for TVS diode functionality in general-purpose protection circuits. All substitutes are active products with current manufacturing status and full RoHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are active products with current manufacturing availability, addressing the obsolescence of the SMBJ220C. Selection among substitutes should be based on the following factors:

SMBJ220CA (Meritek) and TV06B221JB-HF (Comchip Technology) are supplied in Tape & Reel packaging, suitable for automated assembly processes. Both maintain ROHS3 compliance and demonstrate equivalent electrical performance within specified tolerances.

SMBJ220CA-TP (Micro Commercial Co) is supplied in bulk packaging and supports an extended operating temperature range of -55°C to 175°C, compared to the standard -55°C to 150°C range of other substitutes. This option provides thermal margin for applications requiring higher temperature operation.

All substitutes maintain the 220V reverse standoff voltage and 600W peak pulse power rating. The clamping voltage reduction from 373.8V to 356V and peak pulse current variation from 1.7A to 1.69A represent minor parameter shifts that remain functionally equivalent for general-purpose transient suppression applications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ220CA directly replace SMBJ220C in existing designs?

A: Yes. Both parts share identical reverse standoff voltage (220V), package type (DO-214AA/SMB), and mounting configuration (surface mount). The clamping voltage difference (356V vs. 373.8V) and peak pulse current variation (1.69A vs. 1.7A) fall within acceptable tolerance ranges for TVS diode substitution in general-purpose protection circuits.

Q: What is the difference between SMBJ220CA and SMBJ220CA-TP?

A: Both parts are electrically equivalent with identical electrical parameters. The primary difference is packaging: SMBJ220CA is supplied in Tape & Reel format, while SMBJ220CA-TP is supplied in bulk. SMBJ220CA-TP also supports an extended operating temperature range of -55°C to 175°C versus the standard -55°C to 150°C.

Q: Is TV06B221JB-HF compatible with the SMBJ220C footprint?

A: Yes. TV06B221JB-HF uses the same DO-214AA (SMB) package and surface-mount configuration as SMBJ220C. Pin-to-pin compatibility is maintained for direct PCB substitution.

Q: Are all substitute parts RoHS3 compliant?

A: SMBJ220CA (Meritek) and TV06B221JB-HF (Comchip Technology) are explicitly RoHS3 compliant. SMBJ220CA-TP (Micro Commercial Co) compliance status is not specified in available documentation.

Q: Which substitute offers the best thermal performance?

A: SMBJ220CA-TP supports the widest operating temperature range (-55°C to 175°C), providing additional thermal margin compared to alternatives rated to 150°C maximum junction temperature.