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SA6V0A-T Equivalent & Substitute Parts
Part Overview
The SA6V0A-T is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Diodes Incorporated, rated for 6V reverse standoff voltage with 10.3V maximum clamping voltage and 48.5A peak pulse current. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.
TVS diodes in this voltage class are used for transient suppression in general-purpose applications requiring through-hole mounting in DO-15 package configurations. The obsolete status of the SA6V0A-T necessitates identification of functionally equivalent active alternatives that maintain electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | SA6V0A-T | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 6 | V |
| Voltage - Breakdown (Min) | 6.67 | V |
| Voltage - Clamping (Max) @ Ipp | 10.3 | V |
| Current - Peak Pulse (10/1000µs) | 48.5 | A |
| Power - Peak Pulse | 500 | W |
| Operating Temperature Range | -65 to 175 | °C (TJ) |
| Mounting Type | Through Hole | — |
| Package / Case | DO-204AC, DO-15, Axial | — |
| Type | Zener | — |
| Unidirectional Channels | 1 | — |
Substitute Part Grouping Explanation
Substitute parts for the SA6V0A-T are grouped based on strict electrical parameter matching within acceptable tolerances for TVS diode applications:
Primary Substitution Criteria:
- Voltage - Reverse Standoff (Typ): 6V
- Voltage - Clamping (Max) @ Ipp: 10.3V (±0.9V acceptable range)
- Current - Peak Pulse (10/1000µs): 48.5A minimum
- Power - Peak Pulse: 500W
- Mounting Type: Through Hole
- Package / Case: DO-204AC, DO-15, or Axial equivalent
Grouping Logic:
Group 1 - Direct Electrical Equivalents (10.3V Clamping, 48.5A Ipp): Parts meeting all primary criteria with identical clamping voltage and peak pulse current specifications.
Group 2 - Functional Equivalents (10.3V Clamping, ≥48.5A Ipp): Parts with matching clamping voltage but higher peak pulse current ratings, providing enhanced transient suppression capability.
Group 3 - Voltage-Class Alternatives (6V Standoff, Clamping Variance): Parts maintaining 6V standoff voltage with clamping voltages within acceptable operating range but outside the 10.3V specification.
Parameter Comparison
| Part Number | Manufacturer | Standoff (V) | Breakdown Min (V) | Clamp Max @ Ipp (V) | Peak Pulse (A) | Power (W) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|
| SA6V0A-T | Diodes Incorporated | 6 | 6.67 | 10.3 | 48.5 | 500 | -65 to 175 | DO-15 | Obsolete |
| P5KE6.0A-BP | Micro Commercial Co | 6 | 6.67 | 10.3 | 48.5 | 500 | -65 to 175 | DO-15 | Active |
| SA6.0A | Taiwan Semiconductor Corporation | 6 | 6.67 | 10.3 | 50 | 500 | -55 to 175 | DO-204AC (DO-15) | Active |
| SA6.0A-E3/54 | Vishay General Semiconductor | 6 | 6.67 | 10.3 | 48.5 | 500 | -55 to 175 | DO-204AC (DO-15) | Active |
| SA6.0AHE3/54 | Vishay General Semiconductor | 6 | 6.67 | 10.3 | 48.5 | 500 | -55 to 175 | DO-204AC (DO-15) | Active |
| 1N6462 | Microchip Technology | 6 | 6.5 | 11 | 258 (8/20µs) | 500 | -55 to 175 | B, Axial | Active |
| P5KE6.0A-TP | Micro Commercial Co | 6 | 6.67 | 10.3 | 48.5 | 500 | -65 to 175 | DO-15 | Active |
| SA6.0A-B | Littelfuse Inc. | 6 | 6.67 | 10.3 | 49.5 | 500 | -55 to 175 | DO-204AC (DO-15) | Active |
| SA6.0A-TP | Micro Commercial Co | 6 | 6.67 | 10.3 | 49.5 | 500 | -55 to 175 | DO-15 | Active |
| SAC5.0 | Littelfuse Inc. | 5 | 7.6 | 10 | 44 | 500 | -55 to 175 | DO-204AC (DO-15) | Active |
| SAC6.0 | Littelfuse Inc. | 6 | 7.9 | 11.2 | 41 | 500 | -55 to 175 | DO-204AC (DO-15) | Active |
Engineering Selection Recommendations
Tier 1 - Direct Replacements (Recommended for Immediate Substitution):
P5KE6.0A-BP and P5KE6.0A-TP (Micro Commercial Co) provide exact electrical parameter matching with the SA6V0A-T across all critical specifications: 6V standoff, 10.3V clamping, 48.5A peak pulse current, and 500W power rating. Both maintain the -65°C to 175°C operating temperature range. Active product status ensures long-term availability. P5KE6.0A-BP is supplied in bulk packaging; P5KE6.0A-TP is supplied in tape and reel format.
SA6.0A-E3/54 (Vishay General Semiconductor - TransZorb® series) matches all electrical parameters with 48.5A peak pulse current and 10.3V clamping voltage. RoHS3 compliance and REACH unaffected status are confirmed. Operating temperature range is -55°C to 175°C, which is acceptable for most applications requiring the original -65°C lower limit.
Tier 2 - Functional Equivalents (Acceptable with Verification):
SA6.0A (Taiwan Semiconductor Corporation) provides 50A peak pulse current, exceeding the 48.5A requirement, with identical 10.3V clamping voltage and 6V standoff. This higher current rating offers enhanced transient suppression margin. Operating temperature is -55°C to 175°C. High inventory availability (60,100 pcs) supports procurement continuity.
SA6.0A-B (Littelfuse Inc.) and SA6.0A-TP (Micro Commercial Co) both deliver 49.5A peak pulse current with 10.3V clamping and 6V standoff specifications. These represent minimal parameter variance from the original specification and are suitable for direct substitution.
Tier 3 - Voltage-Class Alternatives (Application-Dependent):
1N6462 (Microchip Technology) maintains 6V standoff voltage but specifies 11V clamping voltage and 258A peak pulse current (8/20µs pulse). This part is suitable only for applications where the higher clamping voltage is acceptable and the enhanced current handling is beneficial. Package format is B, Axial, which differs from DO-15.
SAC5.0 and SAC6.0 (Littelfuse Inc.) represent voltage-class alternatives with different standoff and clamping specifications. SAC5.0 operates at 5V standoff with 10V clamping; SAC6.0 operates at 6V standoff with 11.2V clamping. These are suitable only for applications where the voltage variance is acceptable.
Compliance Considerations:
All recommended Tier 1 and Tier 2 substitutes are RoHS3 compliant and REACH unaffected, matching or exceeding the compliance profile of the original SA6V0A-T. SA6.0AHE3/54 includes AEC-Q101 automotive qualification, suitable for automotive-grade applications.
Frequently Asked Questions (FAQ)
Q: Can I use SA6.0A as a direct replacement for SA6V0A-T?
A: Yes. SA6.0A meets all critical electrical parameters: 6V standoff, 10.3V clamping voltage, and 50A peak pulse current (exceeding the 48.5A requirement). The operating temperature range is -55°C to 175°C, which covers most applications. The higher current rating provides additional transient suppression margin.
Q: What is the difference between P5KE6.0A-BP and P5KE6.0A-TP?
A: Both parts are electrically identical with matching 6V standoff, 10.3V clamping, and 48.5A peak pulse specifications. The difference is packaging: P5KE6.0A-BP is supplied in bulk; P5KE6.0A-TP is supplied in tape and reel format. Selection depends on procurement and assembly requirements.
Q: Why does 1N6462 have a higher peak pulse current (258A) than the original part?
A: 1N6462 is specified for 8/20µs pulse duration, whereas the SA6V0A-T uses 10/1000µs pulse duration. These are different test conditions. The 1N6462 is suitable for applications requiring higher transient current suppression but has a higher clamping voltage (11V vs. 10.3V), which may affect circuit performance.
Q: Is the operating temperature range difference between -65°C and -55°C critical?
A: For most commercial and industrial applications, the -55°C lower limit is acceptable. If your application requires operation below -55°C, verify that the substitute part's temperature range meets your specific requirements. The SA6V0A-T's -65°C rating is less common in modern TVS diode designs.
Q: Can I substitute SAC5.0 or SAC6.0 for the SA6V0A-T?
A: SAC5.0 and SAC6.0 are voltage-class alternatives with different standoff and clamping specifications. SAC5.0 operates at 5V standoff; SAC6.0 operates at 6V standoff with 11.2V clamping. These are suitable only if your circuit design can accommodate the voltage variance. For direct electrical equivalence, use Tier 1 or Tier 2 recommendations.
Q: What does RoHS3 compliance mean for this component?
A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All recommended substitutes maintain RoHS3 compliance, ensuring compatibility with modern manufacturing and environmental standards.
Q: Are there any package compatibility issues between DO-15 and DO-204AC?
A: DO-15 and DO-204AC are equivalent package designations for the same physical form factor (axial through-hole diode). Parts specified as DO-204AC (DO-15) or DO-15 are mechanically and electrically interchangeable in PCB layouts designed for axial through-hole components.
Q: Which substitute offers the best long-term availability?
A: SA6.0A (Taiwan Semiconductor Corporation) has the highest inventory level (60,100 pcs) and active product status, supporting long-term procurement continuity. P5KE6.0A-BP and P5KE6.0A-TP (Micro Commercial Co) also maintain active status with substantial inventory levels (899 and 834 pcs respectively).
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