CD214C-T15CALF Equivalent & Substitute Parts

Part Overview

The CD214C-T15CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 15V reverse standoff voltage with a 24.4V maximum clamping voltage and 61.5A peak pulse current capability in a DO-214AB (SMC) package. The part is currently obsolete, making equivalent substitutes necessary for ongoing design support and component procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214C-T15CALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Voltage - Reverse Standoff (Typ)	15V
Voltage - Breakdown (Min)	16.7V
Voltage - Clamping (Max) @ Ipp	24.4V
Current - Peak Pulse (10/1000µs)	61.5A
Power - Peak Pulse	1500W (1.5kW)
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the CD214C-T15CALF is determined by strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 15V
Voltage - Clamping (Max) @ Ipp: 24.4V
Voltage - Breakdown (Min): 16.7V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1

Substitute Categories:

Direct Equivalents maintain identical electrical specifications (61.5A peak pulse current, 1500W peak power):

SMCJ15CA (EVVO Semi) — Active product status, identical performance envelope
SMCJ15CA-HR (Littelfuse Inc.) — Active product status, extended temperature range (-65°C to 150°C)

Higher Current Capacity Alternatives share voltage parameters but exceed peak pulse current and power ratings:

5.0SMDJ15CA (MDE Semiconductor Inc.) — 205A peak pulse, 5000W peak power
5.0SMDJ15CA-T7 (Littelfuse) — 205A peak pulse, 5000W peak power, extended temperature range (-65°C to 150°C)

Intermediate Current Capacity Alternatives provide 123A peak pulse current with 3000W peak power:

SMDJ15CA (Alpha & Omega Semiconductor Inc.)
SMDJ15CA-T7 (Littelfuse)
SMLJ15CA-TP (Micro Commercial Co) — Extended temperature range (-55°C to 175°C)

Parameter Deviation — Not recommended for direct substitution:

SMCJ15CA-TR (STMicroelectronics) — Clamping voltage 32.5V (exceeds 24.4V specification), 308A peak pulse current

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Product Status
CD214C-T15CALF	Bourns Inc.	15V	16.7V	24.4V	61.5A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Obsolete
SMCJ15CA	EVVO Semi	15V	16.7V	24.4V	61.5A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active
SMCJ15CA-HR	Littelfuse Inc.	15V	16.7V	24.4V	61.5A	1500W	-65°C ~ 150°C	DO-214AB, SMC	Active
5.0SMDJ15CA	MDE Semiconductor Inc	15V	16.7V	24.4V	205A	5000W	-55°C ~ 150°C	DO-214AB, SMC	Active
5.0SMDJ15CA-T7	Littelfuse	15V	16.7V	24.4V	205A	5000W	-65°C ~ 150°C	DO-214AB, SMC	Active
SMDJ15CA	Alpha & Omega Semiconductor Inc.	15V	16.7V	24.4V	123A	3000W	-55°C ~ 150°C	DO-214AB, SMC	Active
SMDJ15CA-T7	Littelfuse	15V	16.7V	24.4V	123A	3000W	-65°C ~ 150°C	DO-214AB, SMC	Active
SMLJ15CA-TP	Micro Commercial Co	15V	16.7V	24.4V	123A	3000W	-55°C ~ 175°C	DO-214AB, SMC	Active
SMCJ15CA-TR	STMicroelectronics	15V	16.7V	32.5V	308A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active

Engineering Selection Recommendations

Recommended Direct Substitutes:

SMCJ15CA (EVVO Semi) is the primary equivalent for CD214C-T15CALF replacement. This part maintains identical electrical specifications (15V standoff, 24.4V clamping, 61.5A peak pulse) and package configuration. Active product status ensures long-term availability and supply chain stability. ROHS3 compliance and MSL 1 rating match the original specification.

SMCJ15CA-HR (Littelfuse Inc.) provides an alternative direct equivalent with extended operating temperature range (-65°C to 150°C versus -55°C to 150°C). This option is suitable for applications requiring enhanced low-temperature performance. Active status and full compliance certifications support production deployment.

Higher Current Capacity Options:

5.0SMDJ15CA-T7 (Littelfuse) and 5.0SMDJ15CA (MDE Semiconductor Inc.) offer increased transient protection margin with 205A peak pulse current and 5000W peak power. These parts maintain the 15V standoff and 24.4V clamping voltages. Selection of these alternatives is appropriate when circuit design permits higher current capacity without adverse effects. Littelfuse variant includes extended temperature range.

Intermediate Current Capacity Options:

SMDJ15CA-T7 (Littelfuse), SMDJ15CA (Alpha & Omega Semiconductor Inc.), and SMLJ15CA-TP (Micro Commercial Co) provide 123A peak pulse current with 3000W peak power. These parts are suitable for applications where the original 61.5A specification is marginal. SMLJ15CA-TP offers the widest operating temperature range (-55°C to 175°C).

Not Recommended:

SMCJ15CA-TR (STMicroelectronics) exhibits a 32.5V maximum clamping voltage, which exceeds the 24.4V specification of the original part. This deviation may result in inadequate voltage suppression performance and is not suitable for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can SMCJ15CA directly replace CD214C-T15CALF?

A: Yes. SMCJ15CA maintains identical voltage specifications (15V standoff, 16.7V breakdown minimum, 24.4V clamping maximum) and peak pulse current (61.5A). Both use DO-214AB (SMC) surface-mount packaging. Active product status ensures availability.

Q: What is the difference between direct equivalents and higher current alternatives?

A: Direct equivalents (SMCJ15CA, SMCJ15CA-HR) match the 61.5A peak pulse current and 1500W power rating. Higher current alternatives (5.0SMDJ15CA-T7, 5.0SMDJ15CA) provide 205A peak pulse and 5000W power. Selection depends on circuit transient protection requirements and design margins.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts meet ROHS3 compliance requirements. Moisture sensitivity level is MSL 1 (Unlimited) across all options.

Q: Why is SMCJ15CA-TR not recommended?

A: SMCJ15CA-TR specifies a 32.5V maximum clamping voltage, which exceeds the 24.4V requirement. This parameter deviation prevents direct substitution and may compromise circuit protection performance.

Q: What temperature range should I select?

A: The original CD214C-T15CALF operates from -55°C to 150°C. Direct equivalents maintain this range. Extended range options (-65°C to 150°C or -55°C to 175°C) are available if application requirements demand wider temperature performance.

Q: Are packaging and mounting type identical across all substitutes?

A: Yes. All substitute parts use DO-214AB (SMC) surface-mount packaging. PCB footprint and reflow soldering processes remain unchanged.

Q: What inventory status should influence my selection?

A: SMCJ15CA (EVVO Semi) offers the highest inventory availability (84,400 pcs). Alternative sources provide adequate stock for production requirements. Littelfuse variants (SMCJ15CA-HR, 5.0SMDJ15CA-T7, SMDJ15CA-T7) offer established supply chain relationships.

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