SMCJ9.0C Transient Voltage Suppressor Equivalent & Substitute Parts

Part Overview

The SMCJ9.0C is a 9V Zener transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc. in DO-214AB surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The SMCJ9.0C provides bidirectional transient voltage suppression for general-purpose applications with a peak pulse power rating of 1500W and operating temperature range of -55°C to 150°C.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	9V
Voltage - Breakdown (Min)	9.5V
Voltage - Clamping (Max) @ Ipp	16.17V
Current - Peak Pulse (10/1000µs)	97.4A
Power - Peak Pulse	1500W
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 150°C (TJ)
Type	Zener
Bidirectional Channels	1

Substitute Part Grouping Explanation

Substitution of the SMCJ9.0C is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 9V nominal
Voltage - Clamping (Max) @ Ipp: Must remain within acceptable range (14.4V to 16.17V)
Current - Peak Pulse (10/1000µs): Minimum 97.4A
Power - Peak Pulse: 1500W or higher
Package / Case: DO-214AB or SMC equivalent
Mounting Type: Surface Mount
Operating Temperature: -55°C minimum to 150°C maximum

Substitute parts are grouped into two categories: direct equivalents maintaining identical electrical specifications, and higher-rated alternatives providing enhanced performance characteristics while maintaining core voltage and current parameters.

Parameter Comparison

Part Number	Manufacturer	Voltage Standoff (Typ)	Voltage Clamping (Max) @ Ipp	Peak Pulse Current	Peak Pulse Power	Package	Status
SMCJ9.0C	Littelfuse Inc.	9V	16.17V	97.4A	1500W	DO-214AB	Obsolete
SMCJ9.0CA	Taiwan Semiconductor Corporation	9V	15.4V	102A	1500W	DO-214AB	Active
SMCJ9.0CAE3/TR13	Microchip Technology	9V	15.4V	97.4A	1500W	DO-214AB	Active
SMCJ9.0CE3/TR13	Microchip Technology	9V	14.4V	104.2A	1500W	DO-214AB	Active
SMCJ9.0CA-13-F	Diodes Incorporated	9V	15.4V	97.4A	1500W	DO-214AB	Active
SMCJ9.0CA-TP	Micro Commercial Co	9V	15.4V	97.4A	1500W	DO-214AB	Active
SMCJ9V0CA	Fairchild Semiconductor	9V	15.4V	97.4A	1500W	DO-214AB	Active
SMLJ9.0CA	Bourns Inc.	9V	15.4V	194.8A	3000W	DO-214AB	Active
SMLJ9.0CA-TP	Micro Commercial Co	9V	15.4V	194.8A	3000W	DO-214AB	Active
SMCJ11CA-13-F	Diodes Incorporated	11V	18.2V	82.4A	1500W	DO-214AB	Active

Engineering Selection Recommendations

Direct Equivalents (1500W Rating, 9V Standoff):

SMCJ9.0CA (Taiwan Semiconductor Corporation), SMCJ9.0CAE3/TR13 (Microchip Technology), SMCJ9.0CA-13-F (Diodes Incorporated), SMCJ9.0CA-TP (Micro Commercial Co), and SMCJ9V0CA (Fairchild Semiconductor) provide direct functional equivalence to the SMCJ9.0C. All maintain 9V reverse standoff voltage, 1500W peak pulse power, and DO-214AB surface mount packaging. These parts are active products with ROHS3 compliance and MSL 1 rating. SMCJ9.0CA offers the highest inventory availability (84,200 units) and is manufactured by an active semiconductor supplier.

Enhanced Performance Alternatives (3000W Rating, 9V Standoff):

SMLJ9.0CA (Bourns Inc.) and SMLJ9.0CA-TP (Micro Commercial Co) provide doubled peak pulse power (3000W) while maintaining 9V reverse standoff voltage and DO-214AB packaging. These parts support higher transient current levels (194.8A versus 97.4A) and are suitable for applications requiring increased transient energy dissipation. Both are active products with ROHS3 compliance.

Alternative Voltage Rating (11V Standoff):

SMCJ11CA-13-F (Diodes Incorporated) operates at 11V reverse standoff with 18.2V clamping voltage. This part is suitable only for applications where the higher voltage rating is acceptable and provides reduced peak pulse current (82.4A) compared to the original specification.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and MSL 1 moisture sensitivity rating. Operating temperature ranges vary: most parts support -55°C to 150°C; SMCJ9.0CA-TP and SMLJ9.0CA-TP extend to -55°C to 175°C; SMCJ9.0CAE3/TR13 and SMCJ9.0CE3/TR13 support -65°C to 150°C.

Frequently Asked Questions (FAQ)

Q: Can SMLJ9.0CA replace SMCJ9.0C directly?

A: SMLJ9.0CA is functionally compatible but provides enhanced specifications. It maintains the same 9V reverse standoff voltage and DO-214AB package, but doubles the peak pulse power rating from 1500W to 3000W and increases peak pulse current from 97.4A to 194.8A. This substitution is valid for applications where the higher power rating does not create thermal or design constraints.

Q: What is the difference between SMCJ9.0CA and SMCJ9.0CAE3/TR13?

A: Both parts maintain identical electrical specifications (9V standoff, 15.4V clamping, 97.4A peak pulse current, 1500W power). The primary differences are manufacturer (Taiwan Semiconductor Corporation versus Microchip Technology) and operating temperature range (SMCJ9.0CAE3/TR13 supports -65°C to 150°C versus -55°C to 150°C). Packaging format differs: SMCJ9.0CAE3/TR13 is supplied in Tape & Reel format.

Q: Is SMCJ11CA-13-F a suitable substitute?

A: SMCJ11CA-13-F is not a direct substitute. It operates at 11V reverse standoff voltage instead of 9V, resulting in 18.2V clamping voltage versus 16.17V for the original part. This higher voltage rating makes it unsuitable for circuits designed for 9V transient suppression. Use only if circuit design specifications explicitly allow 11V standoff operation.

Q: What packaging options are available?

A: All substitute parts use DO-214AB surface mount package (also designated SMC). Packaging formats vary: some are supplied in Tape & Reel (TR), others in Bulk. Verify packaging format requirements with your procurement specification before selection.

Q: Which substitute offers the best inventory availability?

A: SMCJ9.0CA from Taiwan Semiconductor Corporation provides the highest inventory availability at 84,200 units in stock, making it the most readily available direct equivalent to the obsolete SMCJ9.0C.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message