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SA36C-E3/54 Equivalent & Substitute Parts
Part Overview
The SA36C-E3/54 is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, part of the TransZorb® series. This component is designed for general-purpose transient voltage suppression applications with a 36V reverse standoff voltage rating and DO-204AC (DO-15) axial through-hole packaging.
The SA36C-E3/54 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or repair requirements for systems utilizing this TVS diode.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Reverse Standoff Voltage (Typ) | 36V |
| Breakdown Voltage (Min) | 40V |
| Clamping Voltage (Max) @ Ipp | 64.3V |
| Peak Pulse Current (10/1000µs) | 7.8A |
| Peak Pulse Power | 500W |
| Operating Temperature Range | -55°C to 175°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | DO-204AC (DO-15), Axial |
| Bidirectional Channels | 1 |
| Type | Zener |
Substitute Part Grouping Explanation
Substitute parts for the SA36C-E3/54 are qualified based on the following critical parameters that determine functional equivalence:
- Reverse Standoff Voltage: 36V (Typ)
- Breakdown Voltage: 40V (Min)
- Package / Case: DO-204AC (DO-15), Axial
- Mounting Type: Through Hole
- Bidirectional Channels: 1
- Type: Zener
- Operating Temperature Range: -55°C to 175°C (TJ)
- Peak Pulse Power: 500W
The substitute parts identified maintain these core electrical and mechanical specifications. Variations in clamping voltage and peak pulse current are within acceptable ranges for general-purpose TVS applications where the primary function is transient voltage suppression at the specified standoff voltage.
Parameter Comparison
| Parameter | SA36C-E3/54 (Main) | SA36CA-E3/54 | SA36CA |
|---|---|---|---|
| Manufacturer | Vishay General Semiconductor - Diodes Division | Vishay General Semiconductor - Diodes Division | Taiwan Semiconductor Corporation |
| Reverse Standoff Voltage (Typ) | 36V | 36V | 36V |
| Breakdown Voltage (Min) | 40V | 40V | 40V |
| Clamping Voltage (Max) @ Ipp | 64.3V | 58.1V | 58.1V |
| Peak Pulse Current (10/1000µs) | 7.8A | 8.6A | 9A |
| Peak Pulse Power | 500W | 500W | 500W |
| Operating Temperature Range | -55°C to 175°C (TJ) | -55°C to 175°C (TJ) | -55°C to 175°C (TJ) |
| Package / Case | DO-204AC (DO-15), Axial | DO-204AC (DO-15), Axial | DO-204AC (DO-15), Axial |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Bidirectional Channels | 1 | 1 | 1 |
| Type | Zener | Zener | Zener |
| Product Status | Obsolete | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both SA36CA-E3/54 and SA36CA are active product alternatives to the obsolete SA36C-E3/54. Selection between these substitutes should be based on the following factors:
SA36CA-E3/54 (Vishay General Semiconductor - Diodes Division) maintains manufacturer continuity with the original part, supplied in Cut Tape (CT) packaging with 4600 units in stock inventory.
SA36CA (Taiwan Semiconductor Corporation) is the manufacturer-recommended alternative, supplied in Tape & Reel (TR) packaging with 2200 units in stock inventory.
Both substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Both maintain the same operating temperature range, package form factor, and core electrical specifications required for general-purpose transient voltage suppression at 36V standoff voltage.
Frequently Asked Questions (FAQ)
Q: Can SA36CA-E3/54 or SA36CA be used as direct replacements for SA36C-E3/54?
A: Yes. Both parts maintain the critical electrical parameters: 36V reverse standoff voltage, 40V minimum breakdown voltage, 500W peak pulse power, and identical package / case specifications (DO-204AC, DO-15, Axial). Both are active products with current availability.
Q: What is the difference between SA36CA-E3/54 and SA36CA?
A: The primary differences are manufacturer (Vishay vs. Taiwan Semiconductor Corporation) and packaging format (Cut Tape vs. Tape & Reel). Electrical specifications and package form factor are identical.
Q: Are there differences in clamping voltage between the main part and substitutes?
A: Yes. SA36C-E3/54 specifies 64.3V maximum clamping voltage, while both SA36CA-E3/54 and SA36CA specify 58.1V maximum clamping voltage. Both values are within acceptable ranges for general-purpose TVS applications with the same 36V standoff voltage rating.
Q: Are both substitute parts suitable for my application?
A: Substitution suitability depends on your specific circuit requirements. Both parts meet the core specifications for 36V standoff voltage protection. Verify that the clamping voltage and peak pulse current ratings align with your transient suppression requirements.
Q: What packaging options are available?
A: SA36C-E3/54 was supplied in standard packaging. SA36CA-E3/54 is available in Cut Tape (CT) format. SA36CA is available in Tape & Reel (TR) format. All three parts use identical DO-204AC (DO-15) axial through-hole package form factor.
Q: Are these parts RoHS and REACH compliant?
A: Yes. All three parts (SA36C-E3/54, SA36CA-E3/54, and SA36CA) are ROHS3 compliant and REACH unaffected.
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