CD214L-T90CALF Equivalent & Substitute Parts

Part Overview

The CD214L-T90CALF 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 90V reverse standoff voltage with 146V maximum clamping voltage and 20.6A peak pulse current capability in a DO-214AB (SMC) package. The part is currently obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214L-T90CALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Product Status	Obsolete
Type	Zener
Voltage - Reverse Standoff (Typ)	90V
Voltage - Breakdown (Min)	100V
Voltage - Clamping (Max) @ Ipp	146V
Current - Peak Pulse (10/1000µs)	20.6A
Power - Peak Pulse	3000W (3kW)
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	DO-214AB, SMC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CD214L-T90CALF is determined by strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 90V
Voltage - Clamping (Max) @ Ipp: 146V
Voltage - Breakdown (Min): 100V
Package / Case: DO-214AB, SMC
Bidirectional Channels: 1
Type: Zener
Operating Temperature Range: -55°C minimum to 150°C minimum

Secondary Consideration:

Current - Peak Pulse (10/1000µs): 20.6A (exact match preferred; lower values acceptable for lower-power applications; higher values provide enhanced capability)
Power - Peak Pulse: 3000W (exact match preferred; lower values acceptable; higher values provide enhanced capability)

Substitute parts are grouped into two categories:

Direct Equivalents maintain all critical electrical parameters and operating temperature range, differing only in manufacturer, packaging format, or product status (active vs. obsolete).

Compatible Alternatives maintain all voltage specifications and package type but may vary in peak pulse current and power dissipation ratings. These are suitable when application requirements permit lower or higher current handling.

Parameter Comparison

Part Number	Manufacturer	Status	VWM (Typ)	VBR (Min)	VC (Max)	Ipp (A)	Power (W)	Temp Range	Package	RoHS
CD214L-T90CALF	Bourns Inc.	Obsolete	90V	100V	146V	20.6A	3000W	-55°C ~ 150°C	DO-214AB	ROHS3
SMLJ90CA	Bourns Inc.	Active	90V	100V	146V	20.6A	3000W	-55°C ~ 150°C	DO-214AB	ROHS3
5.0SMDJ90CA	MDE Semiconductor Inc	Active	90V	100V	146V	34.3A	5000W	-55°C ~ 150°C	DO-214AB	ROHS3
SMCJ90CA	Fairchild Semiconductor	Active	90V	100V	146V	10.3A	1500W	-55°C ~ 150°C	DO-214AB	Not specified
SMCJ90CA-TP	Micro Commercial Co	Active	90V	100V	146V	10.3A	1500W	-55°C ~ 175°C	DO-214AB	ROHS3
SMDJ90CA	Alpha & Omega Semiconductor Inc.	Active	90V	100V	146V	20.6A	3000W	-55°C ~ 150°C	DO-214AB	ROHS3
TV15C900JB-HF	Comchip Technology	Active	90V	100V	146V	10.27A	1500W	-55°C ~ 150°C	DO-214AB	ROHS3

Engineering Selection Recommendations

Preferred Direct Substitutes:

SMLJ90CA (Bourns Inc.) and SMDJ90CA (Alpha & Omega Semiconductor Inc.) are the primary substitutes. Both maintain identical electrical specifications (90V standoff, 146V clamping, 20.6A peak pulse, 3000W power) and operating temperature range (-55°C to 150°C). Both are active products with ROHS3 compliance. SMLJ90CA is supplied in Tape & Reel packaging; SMDJ90CA is supplied in Tape & Reel format as well. These provide direct functional replacement without design modification.

Enhanced Capability Alternative:

5.0SMDJ90CA (MDE Semiconductor Inc.) maintains all voltage specifications and temperature range but provides higher peak pulse current (34.3A) and power dissipation (5000W). This part is suitable for applications requiring greater transient energy absorption. ROHS3 compliant and active status.

Lower-Power Alternatives:

SMCJ90CA (Fairchild Semiconductor), SMCJ90CA-TP (Micro Commercial Co), and TV15C900JB-HF (Comchip Technology) maintain all voltage specifications and package type but feature reduced peak pulse current (10.3A to 10.27A) and power dissipation (1500W). These are suitable for applications with lower transient energy requirements. SMCJ90CA-TP offers extended operating temperature range (-55°C to 175°C) and ROHS3 compliance. All three are active products.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance. SMCJ90CA-TP and SMDJ90CA offer extended or equivalent temperature operating ranges. Selection should prioritize active product status and compliance certifications matching the original design requirements.

Frequently Asked Questions (FAQ)

Q: Can SMCJ90CA replace CD214L-T90CALF directly?

A: SMCJ90CA maintains all critical voltage parameters (90V standoff, 100V breakdown, 146V clamping) and package type (DO-214AB). However, it features reduced peak pulse current (10.3A vs. 20.6A) and power dissipation (1500W vs. 3000W). Direct substitution is possible only if the application does not require the full 20.6A pulse current capability.

Q: What is the difference between SMLJ90CA and SMDJ90CA?

A: Both parts are direct electrical equivalents with identical voltage ratings (90V standoff, 146V clamping), peak pulse current (20.6A), and power dissipation (3000W). The primary difference is manufacturer: SMLJ90CA is from Bourns Inc.; SMDJ90CA is from Alpha & Omega Semiconductor Inc. Both are active products with ROHS3 compliance and equivalent operating temperature ranges (-55°C to 150°C).

Q: Is 5.0SMDJ90CA a suitable replacement?

A: Yes. 5.0SMDJ90CA maintains all voltage specifications and operating temperature range. It provides enhanced peak pulse current (34.3A vs. 20.6A) and power dissipation (5000W vs. 3000W), making it suitable for applications requiring greater transient protection capability. No design modification is required.

Q: What packaging formats are available?

A: Substitute parts are available in Tape & Reel (TR) and Bulk packaging. SMLJ90CA and SMDJ90CA are supplied in Tape & Reel format. SMCJ90CA is supplied in Bulk. SMCJ90CA-TP is supplied in Tape & Reel. TV15C900JB-HF is supplied in Tape & Reel. Packaging selection depends on production volume and assembly requirements.

Q: Are all substitutes ROHS3 compliant?

A: SMLJ90CA, 5.0SMDJ90CA, SMCJ90CA-TP, SMDJ90CA, and TV15C900JB-HF are ROHS3 compliant. SMCJ90CA (Fairchild Semiconductor) does not specify RoHS status in available data. Verify compliance requirements for your application before selection.

Q: Can I use a lower-current part if my application requires less protection?

A: Yes. SMCJ90CA, SMCJ90CA-TP, and TV15C900JB-HF feature 10.3A peak pulse current and 1500W power dissipation. These are suitable for applications with lower transient energy requirements while maintaining identical voltage protection levels (90V standoff, 146V clamping).

Q: What is the operating temperature range for each substitute?

A: Most substitutes operate from -55°C to 150°C (matching the original CD214L-T90CALF). SMCJ90CA-TP offers an extended range of -55°C to 175°C, providing additional thermal margin for high-temperature applications.

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