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SMCJ36CA-13 Equivalent & Substitute Parts
Part Overview
The SMCJ36CA-13 is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose overvoltage protection in surface-mount applications. This part operates with a 36V reverse standoff voltage and provides 58.1V clamping at 25.8A peak pulse current with 1500W peak pulse power dissipation. The SMCJ36CA-13 is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and ensure component availability.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 36 | V |
| Voltage - Breakdown (Min) | 40 | V |
| Voltage - Clamping (Max) @ Ipp | 58.1 | V |
| Current - Peak Pulse (10/1000µs) | 25.8 | A |
| Power - Peak Pulse | 1500 | W |
| Operating Temperature Range | -55°C to 150°C | TJ |
| Package / Case | DO-214AB, SMC | — |
| Mounting Type | Surface Mount | — |
| Type | Zener | — |
| Bidirectional Channels | 1 | — |
Substitute Part Grouping Explanation
Substitution of the SMCJ36CA-13 is determined by strict equivalence across the following electrical and mechanical parameters:
Critical Matching Parameters:
- Voltage - Reverse Standoff: 36V (±tolerance)
- Voltage - Clamping (Max) @ Ipp: 58.1V
- Package / Case: DO-214AB, SMC
- Mounting Type: Surface Mount
- Type: Zener, Bidirectional (1 channel)
Acceptable Variation Parameters:
- Current - Peak Pulse (10/1000µs): 25.8A minimum (higher values acceptable for enhanced protection margin)
- Power - Peak Pulse: 1500W minimum (higher values acceptable)
- Operating Temperature Range: -55°C to 150°C minimum (extended ranges acceptable)
Substitute parts are grouped into two categories: direct electrical equivalents with identical current and power ratings, and enhanced-performance alternatives with higher current and power handling capabilities suitable for applications requiring additional transient protection margin.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Reverse Standoff (V) | Voltage - Clamping (Max) @ Ipp (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Operating Temperature (°C) | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| SMCJ36CA-13 | Diodes Incorporated | 36 | 58.1 | 25.8 | 1500 | -55 to 150 | DO-214AB, SMC | Discontinued | Non-compliant |
| SMCJ36CA-13-F | Diodes Incorporated | 36 | 58.1 | 25.8 | 1500 | -55 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ36CA | EVVO Semi | 36 | 58.1 | 25.9 | 1500 | -55 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ36CA-TP | Micro Commercial Co | 36 | 58.1 | 25.9 | 1500 | -55 to 175 | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMCJ36CAE3/TR13 | Microchip Technology | 36 | 58.1 | 25.8 | 1500 | -65 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMDJ36CA | Alpha & Omega Semiconductor Inc. | 36 | 58.1 | 51.7 | 3000 | -55 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
| SMDJ36CA-T7 | Littelfuse Inc. | 36 | 58.1 | 51.6 | 3000 | -65 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
| 5.0SMDJ36CA-T7 | Littelfuse Inc. | 36 | 58.1 | 86.1 | 5000 | -65 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
| 5.0SMDJ36CA | HY Electronic (Cayman) Limited | 36 | 58.1 | 86.1 | 5000 | -65 to 150 | DO-214AB, SMC | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Electrical Equivalents (1500W Class):
SMCJ36CA-13-F (Diodes Incorporated) provides the most direct replacement with identical electrical specifications and packaging. This part maintains active product status and achieves ROHS3 compliance, addressing the RoHS non-compliance limitation of the original SMCJ36CA-13.
SMCJ36CA (EVVO Semi) and SMCJ36CA-TP (Micro Commercial Co) offer equivalent performance with marginally higher peak pulse current (25.9A vs 25.8A), representing negligible deviation within component tolerance. Both are active products with ROHS3 compliance. SMCJ36CA-TP extends the operating temperature range to 175°C, providing thermal margin for elevated ambient applications.
SMCJ36CAE3/TR13 (Microchip Technology) delivers identical electrical performance with extended lower temperature operation (-65°C vs -55°C) and ROHS3 compliance, suitable for military or aerospace temperature specifications.
Enhanced-Performance Alternatives (3000W and 5000W Classes):
SMDJ36CA (Alpha & Omega Semiconductor Inc.) and SMDJ36CA-T7 (Littelfuse Inc.) provide doubled power dissipation (3000W) with approximately double the peak pulse current (51.6–51.7A). These parts maintain identical voltage characteristics and are suitable for applications requiring enhanced transient protection margin or higher energy absorption capacity.
5.0SMDJ36CA-T7 (Littelfuse Inc.) and 5.0SMDJ36CA (HY Electronic) deliver the highest performance tier with 5000W peak pulse power and 86.1A peak pulse current, appropriate for high-energy transient environments such as telecom infrastructure. Extended temperature range (-65°C to 150°C) supports demanding operational conditions.
All substitute parts maintain the DO-214AB (SMC) surface-mount package, ensuring mechanical and thermal compatibility with existing PCB layouts and assembly processes.
Frequently Asked Questions (FAQ)
Q: Can SMCJ36CA-13 be replaced with SMDJ36CA or 5.0SMDJ36CA?
A: Yes. Both parts maintain the critical voltage parameters (36V reverse standoff, 58.1V clamping) and identical DO-214AB package. SMDJ36CA provides 3000W peak pulse power versus the original 1500W, while 5.0SMDJ36CA provides 5000W. Higher power ratings do not degrade circuit performance; they provide additional protection margin for transient events exceeding the original design specification.
Q: What is the difference between SMCJ36CA-13-F and SMCJ36CA?
A: SMCJ36CA-13-F (Diodes Incorporated) is the direct successor to SMCJ36CA-13, with identical electrical specifications and packaging. SMCJ36CA (EVVO Semi) is a cross-manufacturer equivalent with 25.9A peak pulse current versus 25.8A, a difference within standard component tolerance. Both are electrically interchangeable.
Q: Does the operating temperature range affect substitution compatibility?
A: Operating temperature range does not restrict substitution. Parts with extended ranges (e.g., SMCJ36CAE3/TR13 at -65°C to 150°C versus -55°C to 150°C) are fully compatible and provide additional thermal margin. Parts with higher upper limits (e.g., SMCJ36CA-TP at 175°C) are suitable for elevated-temperature applications.
Q: Are all substitute parts RoHS compliant?
A: All active substitute parts listed are ROHS3 compliant. The original SMCJ36CA-13 is RoHS non-compliant. Substitution with any listed active part resolves RoHS compliance requirements for new designs or manufacturing transitions.
Q: What packaging options are available for these substitutes?
A: All substitute parts use the DO-214AB (SMC) surface-mount package, identical to the original SMCJ36CA-13. Packaging variants (Cut Tape, Tape & Reel, Digi-Reel) affect supply chain logistics but do not alter electrical or mechanical compatibility. Select packaging based on procurement and assembly requirements.
Q: Can SMCJ36CA-13 be used in telecom applications?
A: The original SMCJ36CA-13 is rated for general-purpose applications. For telecom-specific requirements, 5.0SMDJ36CA-T7 or 5.0SMDJ36CA are manufacturer-recommended alternatives with enhanced power handling (5000W) and extended temperature range (-65°C to 150°C), meeting telecom infrastructure protection standards.
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