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SA5V0CA Transient Voltage Suppressor (TVS) Diode — Equivalent & Substitute Parts
Part Overview
The SA5V0CA is a 5V Zener transient voltage suppressor diode manufactured by onsemi in DO-15 through-hole packaging. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts that maintain electrical and mechanical compatibility for general-purpose transient voltage suppression applications.
The SA5V0CA provides 9.2V maximum clamping voltage at peak pulse current with 500W peak pulse power handling capability. Equivalent parts must match the core electrical specifications: 5V reverse standoff voltage, 6.4V minimum breakdown voltage, 9.2V maximum clamping voltage, and 54.3A peak pulse current rating.
Substiute Parts
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 | — |
| Bidirectional Channels | 1 | — |
| Mounting Type | Through Hole | — |
| Package / Case | DO-204AC, DO-15, Axial | — |
| Applications | General Purpose | — |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following critical parameters:
- Voltage Rating: Reverse standoff voltage of 5V, breakdown voltage minimum of 6.4V, and clamping voltage maximum of 9.2V
- Current Handling: Peak pulse current of 54.3A (±3% tolerance acceptable based on manufacturer specifications)
- Power Dissipation: 500W peak pulse power rating
- Package Compatibility: DO-204AC (DO-15) through-hole axial configuration
- Diode Type: Single-channel Zener configuration
- Application Class: General-purpose transient suppression
Substitute parts are classified into two categories:
Direct Equivalents maintain identical electrical specifications and are sourced from active manufacturers with current product status.
Similar Equivalents maintain core electrical specifications within acceptable engineering tolerances while originating from alternative manufacturers or featuring minor variations in peak pulse current (55.4A to 57A range).
Parameter Comparison
| Part Number | Manufacturer | Product Status | Voltage - Reverse Standoff (V) | Voltage - Breakdown Min (V) | Voltage - Clamping Max (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Package | Operating Temp (°C) |
|---|---|---|---|---|---|---|---|---|---|
| SA5V0CA | onsemi | Obsolete | 5 | 6.4 | 9.2 | 54.3 | 500 | DO-15 | — |
| SA5.0CA-E3/54 | Vishay General Semiconductor | Active | 5 | 6.4 | 9.2 | 54.3 | 500 | DO-204AC (DO-15) | -55 to 175 |
| SA5.0CAHE3/54 | Vishay General Semiconductor | Active | 5 | 6.4 | 9.2 | 54.3 | 500 | DO-204AC (DO-15) | -55 to 175 |
| P5KE5.0CA-AP | Micro Commercial Co | Active | 5 | 6.4 | 9.2 | 54.3 | 500 | DO-15 | -65 to 175 |
| P5KE5.0CA-BP | Micro Commercial Co | Active | 5 | 6.4 | 9.2 | 54.3 | 500 | DO-15 | -65 to 175 |
| P5KE5.0CA-TP | Micro Commercial Co | Active | 5 | 6.4 | 9.2 | 54.3 | 500 | DO-15 | -65 to 175 |
| SA5.0CA | Taiwan Semiconductor Corporation | Active | 5 | 6.4 | 9.2 | 57 | 500 | DO-204AC (DO-15) | -55 to 175 |
| SA5.0CA-AP | Micro Commercial Co | Active | 5 | 6.4 | 9.2 | 55.4 | 500 | DO-15 | -55 to 175 |
| SA5.0CA-BP | Micro Commercial Co | Active | 5 | 6.4 | 9.2 | 55.4 | 500 | DO-15 | -55 to 175 |
| SA5.0CA-TP | Micro Commercial Co | Active | 5 | 6.4 | 9.2 | 55.4 | 500 | DO-15 | -55 to 175 |
Engineering Selection Recommendations
Direct Equivalent Selection
SA5.0CA-E3/54 and SA5.0CAHE3/54 from Vishay General Semiconductor are direct electrical equivalents with active product status. Both maintain identical voltage and current specifications. SA5.0CAHE3/54 carries AEC-Q101 automotive qualification and is supplied in tape & reel packaging. SA5.0CA-E3/54 is supplied in cut tape packaging. Both support operating temperatures from -55°C to 175°C and comply with RoHS3 requirements.
Alternative Equivalent Selection
SA5.0CA from Taiwan Semiconductor Corporation is an active equivalent with peak pulse current of 57A, which exceeds the 54.3A specification. This part maintains all voltage parameters and 500W power rating with RoHS3 compliance and -55°C to 175°C operating range. Inventory availability is significantly higher at 64,200 units.
Micro Commercial Co variants (P5KE5.0CA series and SA5.0CA variants with -AP, -BP, -TP suffixes) maintain core electrical specifications with peak pulse currents ranging from 54.3A to 55.4A. These parts support extended low-temperature operation to -65°C and are available in bulk packaging. All variants are active products.
Compliance Considerations
All substitute parts maintain REACH unaffected status and EAR99 export classification consistent with the original SA5V0CA. RoHS3 compliance is confirmed for Vishay and Taiwan Semiconductor Corporation parts. Moisture sensitivity level remains 1 (unlimited) across all equivalents.
Frequently Asked Questions (FAQ)
Q: Can SA5.0CA-E3/54 directly replace SA5V0CA in existing designs?
A: Yes. SA5.0CA-E3/54 maintains identical electrical specifications: 5V reverse standoff, 6.4V breakdown minimum, 9.2V clamping maximum, and 54.3A peak pulse current. Both use DO-15 through-hole axial packaging. Physical and electrical compatibility is confirmed.
Q: What is the difference between SA5.0CA-E3/54 and SA5.0CAHE3/54?
A: Both parts are electrically identical with matching voltage and current ratings. SA5.0CAHE3/54 includes AEC-Q101 automotive qualification and is supplied in tape & reel format. SA5.0CA-E3/54 is supplied in cut tape. Selection depends on packaging requirements and automotive qualification necessity.
Q: Why do some substitute parts show peak pulse current of 55.4A or 57A instead of 54.3A?
A: These variations represent manufacturer-specific tolerance ranges within the 5V Zener class. All parts maintain the 9.2V maximum clamping voltage specification. Higher peak pulse current ratings provide equivalent or superior performance for transient suppression applications.
Q: Are Micro Commercial Co parts (P5KE5.0CA series) suitable replacements?
A: Yes. P5KE5.0CA-AP, P5KE5.0CA-BP, and P5KE5.0CA-TP maintain identical voltage specifications and 54.3A peak pulse current. All are active products with bulk packaging. Extended operating temperature range to -65°C is available. Selection among variants depends on packaging and inventory requirements.
Q: What packaging differences exist among substitute parts?
A: Vishay parts are available in cut tape (SA5.0CA-E3/54) and tape & reel (SA5.0CAHE3/54) formats. Micro Commercial Co and Taiwan Semiconductor Corporation parts are supplied in bulk or tape & reel configurations. All maintain DO-15 through-hole axial package compatibility.
Q: Is RoHS3 compliance required for substitute selection?
A: RoHS3 compliance is confirmed for Vishay and Taiwan Semiconductor Corporation parts. Micro Commercial Co parts do not specify RoHS status in provided data. Compliance requirements should be verified against design specifications.
Q: Can SA5.0CA from Taiwan Semiconductor Corporation be used as a direct replacement?
A: Yes, with the note that peak pulse current is specified at 57A versus the original 54.3A. This represents a performance increase within the 5V Zener class. All voltage parameters and 500W power rating remain identical. Electrical compatibility is confirmed.
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