SA10CA-T Equivalent & Substitute Parts

Part Overview

The SA10CA-T is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, rated for 10V reverse standoff voltage with 17V maximum clamping voltage. This through-hole component in DO-15 packaging is designed for general-purpose transient protection applications. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production requirements.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	10V
Voltage - Breakdown (Min)	11.1V
Voltage - Clamping (Max) @ Ipp	17V
Current - Peak Pulse (10/1000µs)	29.4A
Power - Peak Pulse	500W
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature	-65°C ~ 175°C (TJ)
Type	Zener
Bidirectional Channels	1

Substitute Part Grouping Explanation

Substitution for the SA10CA-T is determined by matching the following critical electrical parameters:

Voltage - Reverse Standoff (Typ): 10V
Voltage - Clamping (Max) @ Ipp: 17V
Current - Peak Pulse (10/1000µs): 29.4A minimum
Power - Peak Pulse: 500W minimum
Package / Case: DO-204AC, DO-15, Axial (through-hole)
Type: Zener, Bidirectional (1 channel)

Substitute parts are grouped into two categories:

Direct Electrical Equivalents: Parts meeting all electrical specifications with identical or superior current and power ratings, maintaining the same voltage protection characteristics.

Manufacturer Alternatives: Parts from different manufacturers offering the same electrical performance within the specified parameter ranges, with active product status and current availability.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Clamping (Max)	Current - Peak Pulse	Power - Peak Pulse	Package	Product Status	Operating Temperature
SA10CA-T	Diodes Incorporated	10V	17V	29.4A	500W	DO-15	Obsolete	-65°C ~ 175°C
SA10CA	Taiwan Semiconductor Corporation	10V	17V	30A	500W	DO-204AC (DO-15)	Active	-55°C ~ 175°C
SA10CA-E3/54	Vishay General Semiconductor - Diodes Division	10V	17V	29.4A	500W	DO-204AC (DO-15)	Active	-55°C ~ 175°C
SA10CAHE3/54	Vishay General Semiconductor - Diodes Division	10V	17V	29.4A	500W	DO-204AC (DO-15)	Active	-55°C ~ 175°C
P5KE10CA-AP	Micro Commercial Co	10V	17V	29.4A	500W	DO-15	Active	-65°C ~ 175°C
P5KE10CA-BP	Micro Commercial Co	10V	17V	29.4A	500W	DO-15	Active	-65°C ~ 175°C
P5KE10CA-TP	Micro Commercial Co	10V	17V	29.4A	500W	DO-15	Active	-65°C ~ 175°C
P6KE12CA	Taiwan Semiconductor Corporation	10.2V	16.7V	36A	600W	DO-15	Active	-
SA10CA-AP	Micro Commercial Co	10V	17V	30A	500W	DO-15	Active	-55°C ~ 175°C
SA10CA-B	Littelfuse Inc.	10V	17V	30A	500W	DO-204AC (DO-15)	Active	-55°C ~ 175°C
SA10CA-BP	Micro Commercial Co	10V	17V	30A	500W	DO-15	Active	-55°C ~ 175°C

Engineering Selection Recommendations

Primary Substitutes (Exact Electrical Match):

SA10CA-E3/54 and SA10CAHE3/54 from Vishay provide direct electrical equivalence with active product status. SA10CAHE3/54 includes AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability.

SA10CA from Taiwan Semiconductor Corporation and SA10CA-B from Littelfuse offer identical electrical specifications with 30A peak pulse current, exceeding the original 29.4A requirement while maintaining all voltage parameters.

Extended Temperature Range Option:

P5KE10CA variants (AP, BP, TP) from Micro Commercial Co maintain the original -65°C to 175°C operating temperature range of the SA10CA-T, matching the thermal specification exactly while providing active product status.

Higher Performance Alternative:

P6KE12CA from Taiwan Semiconductor Corporation provides enhanced performance with 36A peak pulse current and 600W power rating. The 10.2V reverse standoff and 16.7V clamping voltage remain within acceptable tolerance for general-purpose transient protection, with significantly higher current handling capacity.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification. Parts designated as REACH Unaffected offer simplified supply chain compliance compared to the original REACH Affected status.

Frequently Asked Questions (FAQ)

Q: Can SA10CA-E3/54 directly replace SA10CA-T in production?

A: Yes. SA10CA-E3/54 matches all critical electrical parameters: 10V reverse standoff, 17V clamping voltage, and 29.4A peak pulse current. Both use DO-204AC (DO-15) packaging. The primary difference is product status (active vs. obsolete) and operating temperature range (-55°C to 175°C vs. -65°C to 175°C). For applications operating above -55°C, this substitution is direct.

Q: What is the difference between SA10CA variants (SA10CA, SA10CA-B, SA10CA-BP, SA10CA-AP)?

A: These variants represent the same electrical device from different manufacturers or with different packaging formats. SA10CA is the base part number. Suffixes indicate packaging type: -B (Bulk), -BP (Bulk), -AP (Bulk), -E3/54 (Cut Tape), -TP (Tape & Reel). All maintain identical electrical specifications. Selection depends on packaging requirements and supplier availability.

Q: Is P6KE12CA a suitable substitute?

A: P6KE12CA is a higher-performance alternative with enhanced current (36A) and power (600W) ratings. The voltage parameters differ slightly: 10.2V reverse standoff vs. 10V, and 16.7V clamping vs. 17V. These differences remain within acceptable tolerance for general-purpose transient protection. Use P6KE12CA when higher transient current capacity is required or when the voltage tolerance is acceptable for the application.

Q: Why does SA10CA-T show -65°C to 175°C while most substitutes show -55°C to 175°C?

A: The original SA10CA-T from Diodes Incorporated specified a wider lower temperature limit. Most active substitutes from other manufacturers specify -55°C minimum. For applications requiring operation below -55°C, select P5KE10CA variants (AP, BP, TP) which maintain the -65°C lower limit.

Q: What does AEC-Q101 qualification on SA10CAHE3/54 mean?

A: AEC-Q101 is an automotive electronics qualification standard. SA10CAHE3/54 meets this standard, making it suitable for automotive applications requiring certified component reliability. Non-automotive applications do not require this qualification.

Q: Are all substitutes available in the same DO-15 package?

A: Yes. All listed substitutes use DO-204AC or DO-15 axial through-hole packaging, maintaining mechanical and electrical compatibility with the original SA10CA-T footprint.

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