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SMCJ6.5CA-13 Equivalent & Substitute Parts
Part Overview
The SMCJ6.5CA-13 is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose overvoltage protection in surface-mount applications. This bidirectional Zener diode features a 6.5V reverse standoff voltage and 11.2V maximum clamping voltage, with peak pulse current handling of 133.9A and 1500W peak pulse power dissipation. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and ensure supply chain availability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SMCJ6.5CA-13 |
| Manufacturer | Diodes Incorporated |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 6.5V |
| Voltage - Breakdown (Min) | 7.22V |
| Voltage - Clamping (Max) @ Ipp | 11.2V |
| Current - Peak Pulse (10/1000µs) | 133.9A |
| Power - Peak Pulse | 1500W |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AB, SMC |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Discontinued at DiGi Electronics |
Substitute Part Grouping Explanation
Substitution of the SMCJ6.5CA-13 is determined by the following critical electrical and mechanical parameters:
Electrical Equivalence Criteria:
- Voltage - Reverse Standoff (Typ): 6.5V
- Voltage - Breakdown (Min): 7.22V (±tolerance)
- Voltage - Clamping (Max) @ Ipp: 11.2V
- Bidirectional Channels: 1
- Type: Zener
Mechanical Compatibility Criteria:
- Mounting Type: Surface Mount
- Package / Case: DO-214AB, SMC
Performance Grouping: Substitute parts are grouped into two categories based on peak pulse current and power dissipation:
- 1500W Class (133.9A - 134A Ipp): Direct electrical and thermal equivalents with identical power handling
- 3000W Class (267.9A Ipp): Higher power variants with enhanced current and power dissipation capabilities, suitable for applications requiring increased transient protection margin
All substitute parts maintain the same voltage specifications and package form factor, ensuring mechanical and electrical interchangeability within their respective power classes.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Breakdown (Min) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Operating Temperature | Package / Case | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| SMCJ6.5CA-13 | Diodes Incorporated | 6.5V | 7.22V | 11.2V | 133.9A | 1500W | -55°C ~ 150°C | DO-214AB, SMC | Discontinued | RoHS non-compliant |
| SMCJ6.5CA-13-F | Diodes Incorporated | 6.5V | 7.22V | 11.2V | 133.9A | 1500W | -55°C ~ 150°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ6.5CA-E3/57T | Vishay General Semiconductor - Diodes Division | 6.5V | 7.22V | 11.2V | 133.9A | 1500W | -55°C ~ 150°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ6.5CA-E3/9AT | Vishay General Semiconductor - Diodes Division | 6.5V | 7.22V | 11.2V | 133.9A | 1500W | -55°C ~ 150°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ6.5CA-TP | Micro Commercial Co | 6.5V | 7.2V | 11.2V | 134A | 1500W | -55°C ~ 175°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ6V5CA | Taiwan Semiconductor Corporation | 6.5V | 7.22V | 11.2V | 133.9A | 1500W | Not specified | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ6.5CA | EVVO Semi | 6.5V | 7.22V | 11.2V | 134A | 1500W | -55°C ~ 150°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMDJ6.5CA | Alpha & Omega Semiconductor Inc. | 6.5V | 7.22V | 11.2V | 267.9A | 3000W | -55°C ~ 150°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMLJ6.5CA | Bourns Inc. | 6.5V | 7.22V | 11.2V | 267.9A | 3000W | -55°C ~ 150°C | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMLJ6.5CA-TP | Micro Commercial Co | 6.5V | 7.22V | 11.2V | 267.9A | 3000W | -55°C ~ 175°C | DO-214AB, SMC | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes (1500W Class - Direct Equivalents):
SMCJ6.5CA-13-F (Diodes Incorporated) is the direct successor from the original manufacturer, maintaining identical electrical specifications and operating temperature range while achieving ROHS3 compliance. This part is recommended as the first choice for direct replacement.
SMCJ6.5CA-E3/57T and SMCJ6.5CA-E3/9AT (Vishay General Semiconductor - Diodes Division, TransZorb® series) provide equivalent performance with ROHS3 compliance and active product status. Both parts maintain the same voltage and current specifications as the original part.
SMCJ6.5CA-TP (Micro Commercial Co) offers equivalent 1500W performance with extended operating temperature range (-55°C ~ 175°C) and ROHS3 compliance, providing thermal margin for high-temperature applications.
SMCJ6V5CA (Taiwan Semiconductor Corporation) delivers equivalent electrical performance with ROHS3 compliance and active status. Operating temperature range is not specified in available data.
SMCJ6.5CA (EVVO Semi) provides equivalent 1500W performance with ROHS3 compliance and active product status, with current specification of 134A matching the original part's performance envelope.
Secondary Substitutes (3000W Class - Enhanced Protection):
SMDJ6.5CA (Alpha & Omega Semiconductor Inc.) and SMLJ6.5CA (Bourns Inc.) maintain identical voltage specifications while doubling peak pulse current (267.9A) and power dissipation (3000W). These parts are suitable for applications requiring increased transient protection margin or higher energy absorption capability. Both achieve ROHS3 compliance.
SMLJ6.5CA-TP (Micro Commercial Co) provides 3000W performance with extended operating temperature range (-55°C ~ 175°C) and ROHS3 compliance.
All substitute parts maintain DO-214AB/SMC package compatibility, ensuring mechanical interchangeability with the original design.
Frequently Asked Questions (FAQ)
Q: Can SMCJ6.5CA-13-F be used as a direct replacement for SMCJ6.5CA-13?
A: Yes. SMCJ6.5CA-13-F is the active equivalent from Diodes Incorporated with identical electrical specifications (6.5V standoff, 11.2V clamping, 133.9A peak pulse current, 1500W power dissipation) and the same operating temperature range (-55°C ~ 150°C). The primary difference is packaging format (Tape & Reel vs. bulk) and RoHS compliance status (ROHS3 vs. non-compliant).
Q: What is the difference between 1500W and 3000W class substitutes?
A: The 1500W class (SMCJ series) handles 133.9A peak pulse current, while the 3000W class (SMDJ and SMLJ series) handles 267.9A peak pulse current. Both maintain identical voltage specifications (6.5V standoff, 11.2V clamping). The 3000W variants provide double the energy absorption capability and are suitable for applications requiring enhanced transient protection or higher surge energy handling.
Q: Are all substitute parts RoHS compliant?
A: All active substitute parts listed are ROHS3 compliant. The original SMCJ6.5CA-13 is RoHS non-compliant. If RoHS compliance is a design requirement, any of the listed active substitutes satisfy this criterion.
Q: Does operating temperature range affect substitution?
A: Operating temperature range is a design consideration but does not prevent substitution. SMCJ6.5CA-TP and SMLJ6.5CA-TP offer extended temperature range (-55°C ~ 175°C) compared to the original part (-55°C ~ 150°C). Parts with extended temperature range are suitable for all applications within the original temperature specification. SMCJ6V5CA does not specify operating temperature in available data.
Q: Are Vishay TransZorb® parts electrically equivalent?
A: Yes. SMCJ6.5CA-E3/57T and SMCJ6.5CA-E3/9AT (Vishay TransZorb® series) maintain identical electrical specifications to the original part: 6.5V reverse standoff, 7.22V breakdown minimum, 11.2V clamping maximum, and 133.9A peak pulse current. The TransZorb® designation indicates Vishay's product line classification and does not affect electrical equivalence.
Q: Can I substitute a 3000W part in a design specified for 1500W?
A: Yes. The 3000W class parts (SMDJ6.5CA, SMLJ6.5CA, SMLJ6.5CA-TP) maintain identical voltage specifications and package form factor while providing enhanced current and power handling. They are mechanically and electrically compatible with designs specified for 1500W parts and provide additional protection margin.
Q: What packaging formats are available?
A: Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. All parts maintain the same DO-214AB/SMC package form factor, ensuring mechanical compatibility regardless of packaging format selection.
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