Request Quote
(Ships tomorrow)
SMCJ13A Equivalent & Substitute Parts
Part Overview
The SMCJ13A is a unidirectional transient voltage suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation, designed for general-purpose overvoltage protection in surface-mount applications. This component operates with a 13V reverse standoff voltage and provides 21.5V clamping at peak pulse current, delivering 1500W peak pulse power dissipation in a compact DO-214AB (SMC) package. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.
Equivalent and substitute parts are identified to address component availability, supply chain continuity, and specific application requirements while maintaining electrical and mechanical compatibility within defined parameter tolerances.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 13 | V |
| Voltage - Breakdown (Min) | 14.4 | V |
| Voltage - Clamping (Max) @ Ipp | 21.5 | V |
| Current - Peak Pulse (10/1000µs) | 69.8 | A |
| Power - Peak Pulse | 1500 | W |
| Type | Zener | — |
| Unidirectional Channels | 1 | — |
| Package / Case | DO-214AB, SMC | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts are classified into two categories based on electrical parameter alignment with the SMCJ13A:
Direct Equivalents maintain identical voltage specifications (13V reverse standoff, 14.4V breakdown minimum, 21.5V clamping maximum) and peak pulse current ratings of 69.7A to 69.8A, with 1500W peak pulse power dissipation. These parts are functionally interchangeable across all specified electrical parameters and operate within the same thermal and mechanical constraints. Packaging remains DO-214AB (SMC) surface mount configuration.
Similar Substitutes maintain identical voltage specifications and package form factor but feature elevated peak pulse current ratings (139.5A to 233A) and corresponding increased power dissipation (3000W to 5000W). These parts provide enhanced transient suppression capability and are suitable for applications requiring higher energy absorption. Selection depends on circuit protection requirements and available board space for thermal management.
Key Parameters Determining Substitution:
- Voltage - Reverse Standoff: 13V (fixed)
- Voltage - Clamping (Max) @ Ipp: 21.5V (fixed)
- Package / Case: DO-214AB, SMC (fixed)
- Mounting Type: Surface Mount (fixed)
- Type: Zener, Unidirectional (fixed)
- RoHS3 Compliance: Required
- Current - Peak Pulse: 69.7A–69.8A (direct equivalents) or 139.5A–233A (similar substitutes)
- Power - Peak Pulse: 1500W (direct equivalents) or 3000W–5000W (similar substitutes)
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Breakdown (Min) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Package / Case | Operating Temperature | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|
| SMCJ13A | Taiwan Semiconductor Corporation | 13V | 14.4V | 21.5V | 69.8A | 1500W | DO-214AB, SMC | — | ROHS3 Compliant | Active |
| SMCJ13A-13-F | Diodes Incorporated | 13V | 14.4V | 21.5V | 69.7A | 1500W | DO-214AB, SMC | -55°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| SMCJ13A-E3/57T | Vishay General Semiconductor - Diodes Division | 13V | 14.4V | 21.5V | 69.8A | 1500W | DO-214AB, SMC | -55°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| SMCJ13A-E3/9AT | Vishay General Semiconductor - Diodes Division | 13V | 14.4V | 21.5V | 69.8A | 1500W | DO-214AB, SMC | -55°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| SMCJ13A-TP | Micro Commercial Co | 13V | 14.4V | 21.5V | 69.8A | 1500W | DO-214AB, SMC | -55°C ~ 175°C (TJ) | ROHS3 Compliant | Active |
| SMCJ13A | ANBON SEMICONDUCTOR (INT'L) LIMITED | 13V | 14.4V | 21.5V | 69.7A | 1500W | DO-214AB, SMC | -55°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| 5.0SMDJ13A | MDE Semiconductor Inc | 13V | 14.4V | 21.5V | 233A | 5000W | DO-214AB, SMC | -55°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| 5.0SMDJ13A-T7 | Littelfuse Inc. | 13V | 14.4V | 21.5V | 233A | 5000W | DO-214AB, SMC | -65°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| SMDJ13A | Alpha & Omega Semiconductor Inc. | 13V | 14.4V | 21.5V | 139.6A | 3000W | DO-214AB, SMC | -55°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
| SMDJ13A-T7 | Littelfuse Inc. | 13V | 14.4V | 21.5V | 139.5A | 3000W | DO-214AB, SMC | -65°C ~ 150°C (TJ) | ROHS3 Compliant | Active |
Engineering Selection Recommendations
All listed substitute parts maintain Active product status with full RoHS3 compliance and REACH unaffected designation, ensuring regulatory alignment with the original SMCJ13A component. Selection between direct equivalents and similar substitutes depends on application-specific transient energy requirements.
Direct Equivalent Selection (69.7A–69.8A, 1500W): SMCJ13A-13-F (Diodes Incorporated), SMCJ13A-E3/57T (Vishay), SMCJ13A-E3/9AT (Vishay), SMCJ13A-TP (Micro Commercial Co), and SMCJ13A (ANBON) provide electrical and thermal equivalence to the original part. These components are suitable for applications with standard transient suppression requirements and identical board layout constraints. Vishay TransZorb® series parts (SMCJ13A-E3/57T, SMCJ13A-E3/9AT) offer extended temperature operation to 150°C junction temperature. Micro Commercial Co SMCJ13A-TP extends upper operating temperature to 175°C junction temperature, providing enhanced thermal margin in high-ambient applications.
Similar Substitute Selection (139.5A–233A, 3000W–5000W): SMDJ13A (Alpha & Omega Semiconductor), SMDJ13A-T7 (Littelfuse), 5.0SMDJ13A (MDE Semiconductor), and 5.0SMDJ13A-T7 (Littelfuse) provide elevated peak pulse current and power dissipation ratings. These parts maintain identical voltage clamping characteristics and package form factor while delivering 2× to 3.33× greater transient energy absorption. Selection of similar substitutes requires verification that circuit board layout accommodates the electrical characteristics and that application transient profiles justify the enhanced protection capability. Littelfuse parts (SMDJ13A-T7, 5.0SMDJ13A-T7) support extended lower operating temperature to -65°C junction temperature.
All substitute parts are available in Active inventory status with RoHS3 compliance, MSL 1 (unlimited moisture sensitivity), and EAR99 export classification matching the original component specifications.
Frequently Asked Questions (FAQ)
Q: Can SMCJ13A-13-F (Diodes Incorporated) be used as a direct replacement for SMCJ13A (Taiwan Semiconductor Corporation)?
A: Yes. Both parts maintain identical voltage specifications (13V reverse standoff, 21.5V clamping maximum), peak pulse current (69.7A–69.8A), power dissipation (1500W), and DO-214AB package configuration. Operating temperature range differs (-55°C to 150°C for SMCJ13A-13-F versus unspecified for the original), but this does not affect substitution in standard applications. Both parts carry RoHS3 compliance and MSL 1 rating.
Q: What is the difference between direct equivalents and similar substitutes?
A: Direct equivalents (SMCJ13A-13-F, SMCJ13A-E3/57T, SMCJ13A-E3/9AT, SMCJ13A-TP, SMCJ13A from ANBON) maintain the same peak pulse current (69.7A–69.8A) and power dissipation (1500W) as the original SMCJ13A. Similar substitutes (SMDJ13A, SMDJ13A-T7, 5.0SMDJ13A, 5.0SMDJ13A-T7) provide higher peak pulse current (139.5A–233A) and power dissipation (3000W–5000W) while maintaining identical voltage clamping. Similar substitutes are suitable for applications requiring enhanced transient energy absorption but may require circuit verification.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the regulatory status of the original SMCJ13A. All parts also maintain MSL 1 (unlimited moisture sensitivity) rating and REACH unaffected designation.
Q: Can SMDJ13A (Alpha & Omega Semiconductor) be used in place of SMCJ13A?
A: SMDJ13A maintains identical voltage specifications and DO-214AB package configuration but provides 139.6A peak pulse current and 3000W power dissipation, compared to 69.8A and 1500W for the original SMCJ13A. This part is suitable for applications requiring enhanced transient suppression capability. Circuit design verification is required to confirm that the elevated current and power ratings do not introduce unintended effects in the protection circuit.
Q: What is the operating temperature range for substitute parts?
A: Operating temperature ranges vary by manufacturer. Most direct equivalents operate from -55°C to 150°C junction temperature. Micro Commercial Co SMCJ13A-TP extends to -55°C to 175°C. Littelfuse parts (SMDJ13A-T7, 5.0SMDJ13A-T7) support -65°C to 150°C. The original SMCJ13A does not specify operating temperature. Selection should match application thermal requirements.
Q: Do all substitute parts use the same DO-214AB package?
A: Yes. All substitute parts listed use the DO-214AB (SMC) surface-mount package, ensuring mechanical and footprint compatibility with the original SMCJ13A. Packaging format (Cut Tape, Digi-Reel, or Tape & Reel) may vary by supplier but does not affect component electrical performance or PCB assembly compatibility.
Q: Which substitute part offers the widest operating temperature range?
A: Micro Commercial Co SMCJ13A-TP provides the widest upper operating temperature limit at -55°C to 175°C junction temperature. Littelfuse parts (SMDJ13A-T7, 5.0SMDJ13A-T7) provide the widest lower operating temperature limit at -65°C to 150°C. Selection depends on specific application thermal requirements.
Q: Are Vishay TransZorb® parts (SMCJ13A-E3/57T, SMCJ13A-E3/9AT) interchangeable?
A: Yes. Both Vishay TransZorb® parts maintain identical electrical specifications (13V reverse standoff, 21.5V clamping, 69.8A peak pulse current, 1500W power dissipation) and operating temperature range (-55°C to 150°C). The suffix designations (E3/57T and E3/9AT) indicate different packaging or tape configurations but do not affect electrical performance. Both are direct equivalents to the original SMCJ13A.
Q: Can higher-power similar substitutes (5.0SMDJ13A series) be used in all applications?
A: Higher-power similar substitutes provide enhanced transient energy absorption (5000W versus 1500W) and peak pulse current (233A versus 69.8A) while maintaining identical voltage clamping. These parts are suitable for applications with higher transient energy profiles. However, circuit design verification is required to confirm that the elevated current and power ratings do not introduce unintended coupling effects or require additional board-level thermal management considerations.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts