CD214C-T9.0ALF Equivalent & Substitute Parts

Part Overview

The CD214C-T9.0ALF 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 9V reverse standoff voltage with 15.4V maximum clamping voltage and 97.4A peak pulse current capability in a DO-214AB (SMC) package. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for new designs or production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214C-T9.0ALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	9V
Voltage - Breakdown (Min)	10V
Voltage - Clamping (Max) @ Ipp	15.4V
Current - Peak Pulse (10/1000µs)	97.4A
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 of the CD214C-T9.0ALF is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 9V
Voltage - Clamping (Max) @ Ipp: 15.4V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Unidirectional Channels: 1
Type: Zener

Secondary Compatibility Factors:

Current - Peak Pulse (10/1000µs): 97.4A minimum
Power - Peak Pulse: 1500W minimum
Operating Temperature Range: -55°C ~ 150°C minimum
RoHS3 Compliance

Substitute parts are grouped into three categories based on electrical performance alignment:

Direct Equivalents (1500W Class): Parts with identical voltage ratings, clamping characteristics, and 1500W power dissipation. These provide direct functional replacement with matching electrical performance.

Upgraded Alternatives (3000W Class): Parts with identical voltage ratings and clamping characteristics but higher peak pulse current (194.8A–194.9A) and 3000W power dissipation. These offer enhanced transient protection capability while maintaining voltage compatibility.

Similar Alternatives (Voltage Variance): Parts with slightly lower reverse standoff voltage (8.5V) but compatible clamping voltage and package specifications. These require circuit-level verification for application suitability.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Product Status	RoHS Status
CD214C-T9.0ALF	Bourns Inc.	9V	15.4V	97.4A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Obsolete	ROHS3 Compliant
SMCJ9.0A	Taiwan Semiconductor Corporation	9V	15.4V	102A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant
SMCJ9.0A-HR	Littelfuse	9V	15.4V	97.4A	1500W	-65°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant
SMCJ8.5A-13-F	Diodes Incorporated	8.5V	14.4V	104.2A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant
SMCJ9.0A-13-F	Diodes Incorporated	9V	15.4V	97.4A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant
SMCJ9V0A	Fairchild Semiconductor	9V	15.4V	97.4A	1500W	Not specified	DO-214AB, SMC	Active	Not specified
SMDJ9.0A	Alpha & Omega Semiconductor Inc.	9V	15.4V	194.9A	3000W	-55°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant
SMDJ9.0A-T7	Littelfuse Inc.	9V	15.4V	194.8A	3000W	-65°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant
SMLJ9.0A-TP	Micro Commercial Co	9V	15.4V	194.8A	3000W	-55°C ~ 175°C	DO-214AB, SMC	Active	Not specified
TV15C9V0J-G	Comchip Technology	9V	15.4V	97.4A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (1500W Class): SMCJ9.0A (Taiwan Semiconductor Corporation), SMCJ9.0A-HR (Littelfuse), SMCJ9.0A-13-F (Diodes Incorporated), and TV15C9V0J-G (Comchip Technology) provide direct electrical equivalence to the CD214C-T9.0ALF. All maintain 9V reverse standoff voltage, 15.4V clamping voltage, and 1500W power dissipation. SMCJ9.0A-HR and SMCJ9.0A-13-F offer extended lower temperature operation (-65°C minimum) compared to the original specification. All listed direct replacements are active products with ROHS3 compliance and MSL 1 rating, ensuring supply continuity and regulatory compliance.

Enhanced Performance Alternative (3000W Class): SMDJ9.0A (Alpha & Omega Semiconductor Inc.), SMDJ9.0A-T7 (Littelfuse Inc.), and SMLJ9.0A-TP (Micro Commercial Co) maintain identical voltage characteristics while providing doubled peak pulse current (194.8A–194.9A) and power dissipation (3000W). These components are suitable for applications requiring enhanced transient suppression margin. SMDJ9.0A-T7 and SMLJ9.0A-TP support extended temperature ranges (-65°C and -55°C to 175°C respectively). All are active products with ROHS3 compliance.

Voltage-Variant Alternative: SMCJ8.5A-13-F (Diodes Incorporated) operates at 8.5V reverse standoff with 14.4V clamping voltage. This part is suitable only for applications where the lower voltage threshold is acceptable and verified through circuit analysis. It maintains 1500W power dissipation and DO-214AB package compatibility.

Supply and Compliance Considerations: All recommended substitutes are active products with ROHS3 compliance and adequate inventory availability. Selection should prioritize parts with matching operating temperature ranges and documented MSL ratings for moisture-sensitive manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can SMCJ9.0A directly replace CD214C-T9.0ALF? A: Yes. SMCJ9.0A maintains identical voltage ratings (9V reverse standoff, 15.4V clamping), current capability (102A peak pulse), power dissipation (1500W), and DO-214AB package specification. Both are unidirectional Zener TVS diodes rated for -55°C to 150°C operation.

Q: What is the difference between 1500W and 3000W TVS diodes in this voltage class? A: The 3000W variants (SMDJ9.0A, SMDJ9.0A-T7, SMLJ9.0A-TP) provide doubled peak pulse current capability (194.8A–194.9A versus 97.4A–102A) and doubled power dissipation rating. Voltage characteristics remain identical. Selection depends on transient energy requirements in the application circuit.

Q: Is SMCJ8.5A-13-F compatible with CD214C-T9.0ALF? A: SMCJ8.5A-13-F operates at 8.5V reverse standoff and 14.4V clamping voltage, compared to 9V and 15.4V for the original part. Compatibility requires circuit-level verification to confirm the lower voltage threshold is acceptable for the protected circuit.

Q: What does MSL 1 rating mean for these components? A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake requirements. These components can be stored and handled without special moisture control procedures, simplifying supply chain management.

Q: Are all substitute parts ROHS3 compliant? A: All recommended direct replacements and upgraded alternatives are ROHS3 compliant. SMCJ9V0A and SMLJ9.0A-TP do not specify RoHS status in available documentation and should be verified with manufacturers before use in regulated applications.

Q: Can I use SMCJ9.0A-HR instead of SMCJ9.0A? A: Yes. SMCJ9.0A-HR is functionally equivalent with extended lower temperature operation (-65°C versus -55°C minimum). It is suitable for applications requiring wider temperature range coverage.

Q: What is the significance of the "-13-F" suffix in part numbers? A: The "-13-F" suffix indicates manufacturer-specific packaging or lead configuration variants. These parts maintain identical electrical specifications and DO-214AB package compatibility with unsuffixed equivalents.

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