CD214B-T130ALF Equivalent & Substitute Parts

Part Overview

The CD214B-T130ALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., classified as a unidirectional zener-type device in the DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a reverse standoff voltage of 130V and peak pulse current rating of 2.9A. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and component procurement.

Substiute Parts

CD214B-T130ALF

Bourns Inc.In Stock: 1090CD214B-T130ALF Datasheet

Current PartRFQ

SMBJ130A

MDDIn Stock: 55200SMBJ130A Datasheet

DirectRFQ

SMBJ130A

MDDIn Stock: 55200SMBJ130A Datasheet

DirectRFQ

SMBJ130A

MDDIn Stock: 55200SMBJ130A Datasheet

DirectRFQ

SMBJ130A-TP

Micro Commercial CoIn Stock: 1950SMBJ130A-TP Datasheet

SimilarRFQ

SMBJ130A-TR

STMicroelectronicsIn Stock: 7992SMBJ130A-TR Datasheet

SimilarRFQ

SMBJP6KE170A-TP

Micro Commercial CoIn Stock: 3193SMBJP6KE170A-TP Datasheet

SimilarRFQ

TV06B131J-G

Comchip TechnologyIn Stock: 684TV06B131J-G Datasheet

SimilarRFQ

TV06B131J-HF

Comchip TechnologyIn Stock: 779TV06B131J-HF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD214B-T130ALF is determined by strict electrical and mechanical parameter matching within the TVS diode category. The following key parameters define valid substitutes:

• Reverse standoff voltage: 130V (typical)
• Breakdown voltage minimum: 144V
• Clamping voltage maximum at Ipp: 209V
• Peak pulse current: 2.9A (nominal tolerance range acceptable)
• Peak pulse power: 600W
• Package type: DO-214AA (SMB) surface mount
• Unidirectional channel configuration: 1 channel
• Mounting type: Surface mount

Substitute parts are grouped into two categories:

Direct Electrical Equivalents: Parts matching all primary electrical parameters (reverse standoff, breakdown, clamping voltage, and peak pulse current within specification tolerance) and identical package configuration.

Similar Electrical Equivalents: Parts with matching reverse standoff voltage, breakdown voltage, and clamping voltage specifications, with minor variations in peak pulse current (within ±0.3A) or operating temperature range, maintaining the same DO-214AA package.

Parameter Variants: Parts with different reverse standoff or clamping voltage specifications that do not qualify as direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Direct Electrical Equivalents):

SMBJ130A (MDD) and SMBJ130A-TP (Micro Commercial Co) are the preferred direct substitutes for the obsolete CD214B-T130ALF. Both parts maintain identical electrical specifications across reverse standoff voltage, breakdown voltage, clamping voltage, and peak pulse current. SMBJ130A-TP offers an extended upper operating temperature limit of 175°C compared to the original 150°C specification, providing additional thermal margin for demanding applications. Both parts are active products with full RoHS3 compliance and unlimited moisture sensitivity rating.

Secondary Substitutes (Similar Electrical Equivalents):

SMBJ130A-TR (STMicroelectronics) provides equivalent electrical performance with a nominal peak pulse current of 3A, representing a 3.4% increase over the original 2.9A specification. This part maintains the original operating temperature range of -55°C to 150°C and is suitable for applications where the slightly higher current rating does not create design conflicts.

TV06B131J-HF and TV06B131J-G (Comchip Technology) both match the primary electrical specifications with peak pulse current of 2.87A, representing a 1.0% deviation from the original specification. These parts are suitable for direct substitution where operating temperature data is not a critical selection factor.

Not Recommended:

SMBJP6KE170A-TP (Micro Commercial Co) does not qualify as a substitute. This part features a 145V reverse standoff voltage and 234V clamping voltage, representing significant deviations from the original 130V and 209V specifications. This part is suitable only for applications requiring higher voltage suppression levels.

Frequently Asked Questions (FAQ)

Q: Can SMBJ130A-TR be used as a direct replacement for CD214B-T130ALF?

A: Yes. SMBJ130A-TR maintains all critical electrical parameters: 130V reverse standoff voltage, 144V breakdown voltage minimum, and 209V clamping voltage maximum. The peak pulse current specification of 3A represents a 3.4% increase over the original 2.9A rating. This higher current rating does not prevent substitution and may provide additional design margin in transient suppression applications.

Q: What is the difference between SMBJ130A and SMBJ130A-TP?

A: Both parts are electrically identical with 130V reverse standoff voltage, 144V breakdown voltage, 209V clamping voltage, and 2.9A peak pulse current. The primary difference is operating temperature range: SMBJ130A operates from -50°C to 150°C, while SMBJ130A-TP operates from -55°C to 175°C. SMBJ130A-TP is preferred for applications requiring extended low-temperature performance or thermal headroom.

Q: Why is SMBJP6KE170A-TP not a suitable substitute?

A: SMBJP6KE170A-TP has a 145V reverse standoff voltage and 234V clamping voltage, compared to the original 130V and 209V specifications. These represent 11.5% and 12% increases respectively. This part is designed for higher voltage suppression applications and is not electrically equivalent to the CD214B-T130ALF.

Q: Are all substitute parts available in the same SMB package?

A: Yes. All listed substitute parts use the DO-214AA (SMB) surface mount package, ensuring mechanical and footprint compatibility with the original CD214B-T130ALF design.

Q: What compliance certifications apply to the substitute parts?

A: All substitute parts listed are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance profile.