SA5V0A Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The SA5V0A is a unidirectional Zener-type transient voltage suppressor manufactured by onsemi, designed for general-purpose overvoltage protection in through-hole DO-15 packaging. This part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The SA5V0A provides 5V reverse standoff voltage with a 9.2V maximum clamping voltage and 54.3A peak pulse current capability, suitable for protecting sensitive electronic circuits from transient voltage events.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	5	V
Voltage - Breakdown (Min)	6.4	V
Voltage - Clamping (Max) @ Ipp	9.2	V
Current - Peak Pulse (10/1000µs)	54.3	A
Power - Peak Pulse	500	W
Type	Zener	—
Unidirectional Channels	1	—
Mounting Type	Through Hole	—
Package / Case	DO-204AC, DO-15, Axial	—

Substitute Part Grouping Explanation

Substitution eligibility for the SA5V0A is determined by strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 5V
Voltage - Clamping (Max) @ Ipp: 9.2V
Current - Peak Pulse (10/1000µs): 54.3A (±tolerance acceptable)
Power - Peak Pulse: 500W
Mounting Type: Through Hole
Package / Case: DO-204AC, DO-15, or Axial equivalent

Direct Substitutes maintain identical electrical specifications and are interchangeable without circuit modification. Similar Substitutes share the same voltage rating and mounting type but may have different peak pulse current or power ratings, requiring application-level verification.

Parameter Comparison

Part Number	Manufacturer	Voltage Standoff (V)	Voltage Clamp (V)	Peak Pulse Current (A)	Power (W)	Package	Product Status
SA5V0A	onsemi	5	9.2	54.3	500	DO-15	Obsolete
SA5.0A-E3/54	Vishay General Semiconductor	5	9.2	54.3	500	DO-204AC (DO-15)	Active
SA5.0AHE3/54	Vishay General Semiconductor	5	9.2	54.3	500	DO-204AC (DO-15)	Active
ICTE5.0-E3/54	Vishay General Semiconductor	5	7.5	160	1500	1.5KE (DO-27)	Active
ICTE5.0HE3/54	Vishay General Semiconductor	5	7.5	160	1500	1.5KE (DO-27)	Active
P5KE5.0A-AP	Micro Commercial Co	5	9.2	54.3	500	DO-15	Active
P5KE5.0A-TP	Micro Commercial Co	5	9.2	54.3	500	DO-15	Active
SA5.0A	Taiwan Semiconductor Corporation	5	9.2	57	500	DO-204AC (DO-15)	Active
SA5.0A-AP	Micro Commercial Co	5	9.2	55.4	500	DO-15	Active
SA5.0A-B	Littelfuse Inc.	5	9.2	55.4	500	DO-204AC (DO-15)	Active
SA5.0A-BP	Micro Commercial Co	5	9.2	55.4	500	DO-15	Active

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical Performance):

SA5.0A-E3/54, SA5.0AHE3/54, P5KE5.0A-AP, and P5KE5.0A-TP are direct electrical equivalents to the SA5V0A, maintaining 5V standoff, 9.2V clamping, and 54.3A peak pulse current. These parts are all active products with ROHS3 compliance and REACH unaffected status. SA5.0AHE3/54 and ICTE5.0HE3/54 carry AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability.

Near-Equivalent Substitutes (Minor Parameter Variance):

SA5.0A (Taiwan Semiconductor Corporation), SA5.0A-AP, SA5.0A-B, and SA5.0A-BP maintain identical voltage ratings and 500W power dissipation but exhibit peak pulse currents between 55.4A and 57A. These variations fall within acceptable tolerance ranges for general-purpose transient suppression and are suitable where exact current matching is not critical.

Similar Substitutes (Different Package, Higher Performance):

ICTE5.0-E3/54 and ICTE5.0HE3/54 share the 5V standoff voltage but feature a larger 1.5KE package (DO-27) with 7.5V clamping and 160A peak pulse current. These parts provide enhanced transient suppression capability and are applicable only where circuit board space permits the larger package and higher performance is beneficial.

Compliance Considerations:

All active substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory standing. Moisture sensitivity level remains 1 (Unlimited) across all substitutes, eliminating special handling requirements.

Frequently Asked Questions (FAQ)

Q: Can SA5.0A-E3/54 directly replace SA5V0A without circuit modification?

A: Yes. SA5.0A-E3/54 maintains identical electrical specifications: 5V standoff, 9.2V clamping, and 54.3A peak pulse current. Both use through-hole axial packaging (DO-15/DO-204AC). No circuit changes are required.

Q: What is the difference between SA5.0AHE3/54 and SA5.0A-E3/54?

A: Both parts are electrically identical with matching voltage and current ratings. SA5.0AHE3/54 carries AEC-Q101 automotive qualification and operates across -55°C to 175°C, while SA5.0A-E3/54 is a general-purpose variant. Select SA5.0AHE3/54 for automotive or high-reliability applications.

Q: Why are ICTE5.0-E3/54 and ICTE5.0HE3/54 listed as similar rather than direct substitutes?

A: These parts use a larger 1.5KE package (DO-27) instead of DO-15, with different electrical performance: 7.5V clamping and 160A peak pulse current versus 9.2V and 54.3A. They are suitable only where the larger package fits and higher performance is acceptable.

Q: Are P5KE5.0A-AP and P5KE5.0A-TP interchangeable?

A: Yes. Both Micro Commercial Co parts maintain identical electrical specifications and DO-15 packaging. The suffix difference reflects packaging format (AP and TP indicate different tape/reel configurations) but does not affect electrical performance.

Q: What is the inventory status for active substitutes?

A: SA5.0A (Taiwan Semiconductor Corporation) has the highest inventory at 300,100 pieces. SA5.0A-B (Littelfuse) has 4,178 pieces. Vishay parts SA5.0A-E3/54 and SA5.0AHE3/54 have 12,200 and 766 pieces respectively. Micro Commercial Co variants range from 847 to 1,114 pieces.

Q: Can SA5.0A from Taiwan Semiconductor Corporation replace SA5V0A?

A: Yes, with minor current tolerance. SA5.0A maintains 5V standoff and 9.2V clamping but specifies 57A peak pulse current versus 54.3A. This 5% variance is within acceptable tolerance for general-purpose applications and does not require circuit modification.

Q: Which substitute offers the best compliance for automotive applications?

A: SA5.0AHE3/54 and ICTE5.0HE3/54 both carry AEC-Q101 automotive qualification. SA5.0AHE3/54 is the direct electrical equivalent, while ICTE5.0HE3/54 offers higher performance in a larger package.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message