Equivalent & Substitute Parts for CD214A-T150CALF

Part Overview

The CD214A-T150CALF is a Transient Voltage Suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose transient voltage protection in surface-mount applications. This component features a 150V reverse standoff voltage with a 243V maximum clamping voltage and 1.6A peak pulse current capability in a DO-214AC (SMA) package. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	150	V
Voltage - Breakdown (Min)	167	V
Voltage - Clamping (Max) @ Ipp	243	V
Current - Peak Pulse (10/1000µs)	1.6	A
Power - Peak Pulse	400	W
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Operating Temperature Range	-55°C ~ 150°C	TJ
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the CD214A-T150CALF is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 150V
Voltage - Clamping (Max) @ Ipp: 243V
Current - Peak Pulse (10/1000µs): 1.6A
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Substitute parts are classified into two categories:

Direct Equivalents: Parts with identical electrical specifications across all critical parameters, differing only in manufacturer or product status.

Similar Alternatives: Parts with comparable electrical performance within acceptable tolerance ranges for the application, maintaining the same package and mounting configuration.

Parameter Comparison

Parameter	CD214A-T150CALF (Bourns)	SMAJ150CA (MDD)	SMAJ150CA-TP (Micro Commercial Co)	SMAJP4KE160CA-TP (Micro Commercial Co)
Voltage - Reverse Standoff (Typ)	150V	150V	150V	136V
Voltage - Breakdown (Min)	167V	167V	167V	152V
Voltage - Clamping (Max) @ Ipp	243V	243V	243V	219V
Current - Peak Pulse (10/1000µs)	1.6A	1.6A	1.6A	1.9A
Power - Peak Pulse	400W	400W	400W	400W
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Operating Temperature Range	-55°C ~ 150°C (TJ)	-50°C ~ 150°C (TJ)	-55°C ~ 175°C (TA)	-55°C ~ 175°C (TJ)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified
Product Status	Obsolete	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalents (Recommended Primary Substitutes):

SMAJ150CA (MDD) and SMAJ150CA-TP (Micro Commercial Co) are direct electrical equivalents to the CD214A-T150CALF. Both maintain identical voltage and current specifications with the same DO-214AC (SMA) package configuration. SMAJ150CA-TP offers an extended operating temperature range (-55°C ~ 175°C) compared to the original part, providing additional thermal margin. Both substitute parts are classified as active products with ROHS3 compliance, ensuring long-term availability and regulatory alignment.

Similar Alternative (Secondary Option):

SMAJP4KE160CA-TP (Micro Commercial Co) operates at a lower reverse standoff voltage (136V) and clamping voltage (219V) with a higher peak pulse current (1.9A). This part is suitable only for applications where the lower voltage ratings are acceptable and where the increased current capability provides design benefit. The extended operating temperature range (-55°C ~ 175°C) is available with this alternative.

Selection between direct equivalents should prioritize SMAJ150CA-TP due to its extended temperature range and active product status, ensuring compatibility with current manufacturing processes and long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can SMAJ150CA be used as a direct replacement for CD214A-T150CALF?

A: Yes. SMAJ150CA maintains identical electrical specifications: 150V reverse standoff, 243V clamping voltage, and 1.6A peak pulse current. Both use the DO-214AC (SMA) package. The primary difference is manufacturer (MDD vs. Bourns) and product status (active vs. obsolete).

Q: What is the difference between SMAJ150CA and SMAJ150CA-TP?

A: Both parts are electrically identical with matching voltage and current ratings. SMAJ150CA-TP is supplied in Tape & Reel packaging and offers an extended operating temperature range (-55°C ~ 175°C) compared to SMAJ150CA (-50°C ~ 150°C). SMAJ150CA-TP is recommended for applications requiring higher thermal performance or automated assembly processes.

Q: Is SMAJP4KE160CA-TP a suitable substitute?

A: SMAJP4KE160CA-TP is a similar alternative only for applications where lower voltage ratings are acceptable. It operates at 136V reverse standoff and 219V clamping voltage, compared to the original 150V and 243V specifications. The higher peak pulse current (1.9A vs. 1.6A) may provide design flexibility in specific applications. This part should be selected only after confirming that reduced voltage protection levels meet circuit requirements.

Q: Are all substitute parts RoHS compliant?

A: SMAJ150CA and SMAJ150CA-TP are both ROHS3 compliant, matching the original CD214A-T150CALF. SMAJP4KE160CA-TP does not specify RoHS status in the provided data. Compliance verification is required before selection for regulated applications.

Q: What packaging options are available for substitutes?

A: SMAJ150CA is available in standard packaging. SMAJ150CA-TP is supplied in Tape & Reel (TR) format, suitable for high-volume automated assembly. SMAJP4KE160CA-TP is available in bulk packaging. Package selection should align with production volume and assembly process requirements.

Q: How do operating temperature ranges affect part selection?

A: The original CD214A-T150CALF operates from -55°C to 150°C (junction temperature). SMAJ150CA-TP extends this range to -55°C to 175°C, providing additional thermal margin for high-temperature applications. SMAJ150CA operates from -50°C to 150°C, which is acceptable for most general-purpose applications but offers slightly reduced low-temperature performance.

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