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SMCJ100A-13 Equivalent & Substitute Parts
Part Overview
The SMCJ100A-13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in the DO-214AB (SMC) surface mount package. This component is designed for general-purpose overvoltage protection applications with a 100V reverse standoff voltage and 162V maximum clamping voltage. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SMCJ100A-13 |
| Manufacturer | Diodes Incorporated |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 100V |
| Voltage - Breakdown (Min) | 111V |
| Voltage - Clamping (Max) @ Ipp | 162V |
| Current - Peak Pulse (10/1000µs) | 9.3A |
| Power - Peak Pulse | 1500W |
| Operating Temperature Range | -55°C to 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AB, SMC |
| Product Status | Discontinued at DiGi Electronics |
| RoHS Status | RoHS non-compliant |
Substitute Part Grouping Explanation
Substitution of the SMCJ100A-13 is determined by strict equivalence in the following electrical and mechanical parameters:
- Voltage Rating: Reverse standoff voltage of 100V, breakdown minimum of 111V, and clamping voltage maximum of 162V
- Current Handling: Peak pulse current of 9.3A at 10/1000µs pulse width
- Power Dissipation: Peak pulse power of 1500W
- Package: DO-214AB (SMC) surface mount package
- Unidirectional Configuration: Single channel Zener TVS diode
- Temperature Range: Operating range of -55°C to 150°C (or higher)
Substitute parts are grouped into two categories:
Direct Equivalents maintain identical electrical specifications (100V standoff, 9.3A peak pulse, 1500W power rating) with the same DO-214AB package. These parts differ only in manufacturer, packaging format (bulk vs. tape & reel), or RoHS compliance status.
Manufacturer-Recommended Alternatives provide the same voltage protection characteristics (100V standoff, 162V clamp) but with higher current and power ratings (18.6A to 30.9A peak pulse, 3000W to 5000W power). These parts are suitable for applications requiring enhanced transient energy absorption while maintaining the same voltage protection threshold.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff | Voltage - Clamping (Max) | Current - Peak Pulse | Power - Peak Pulse | Operating Temperature | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| SMCJ100A-13 | Diodes Incorporated | 100V | 162V | 9.3A | 1500W | -55°C to 150°C | DO-214AB (SMC) | Discontinued | RoHS non-compliant |
| SMCJ100A-13-F | Diodes Incorporated | 100V | 162V | 9.3A | 1500W | -55°C to 150°C | DO-214AB (SMC) | Active | ROHS3 Compliant |
| SMCJ100A | Fairchild Semiconductor | 100V | 162V | 9.3A | 1500W | -55°C to 150°C | DO-214AB (SMC) | Active | Not specified |
| SMCJ100A-TP | Micro Commercial Co | 100V | 162V | 9.3A | 1500W | -55°C to 175°C | DO-214AB (SMC) | Active | ROHS3 Compliant |
| SMDJ100A | Alpha & Omega Semiconductor Inc. | 100V | 162V | 18.6A | 3000W | -55°C to 150°C | DO-214AB (SMC) | Active | ROHS3 Compliant |
| SMLJ100A | Bourns Inc. | 100V | 162V | 18.6A | 3000W | -55°C to 150°C | DO-214AB (SMC) | Active | ROHS3 Compliant |
| 5.0SMDJ100A | Taiwan Semiconductor Corporation | 100V | 162V | 30.9A | 5000W | -55°C to 175°C | DO-214AB (SMC) | Active | ROHS3 Compliant |
Engineering Selection Recommendations
For Direct Replacement (Identical Electrical Performance):
SMCJ100A-13-F (Diodes Incorporated) is the primary direct substitute. It maintains identical electrical specifications and package format while offering active product status and ROHS3 compliance, addressing the RoHS non-compliance limitation of the original part.
SMCJ100A (Fairchild Semiconductor) provides equivalent electrical performance with active status and broader availability. This part is suitable for applications where manufacturer source diversification is required.
SMCJ100A-TP (Micro Commercial Co) offers identical electrical specifications with an extended operating temperature range to 175°C and ROHS3 compliance. This part is recommended for applications requiring higher temperature operation within the same voltage protection class.
For Enhanced Performance (Higher Current/Power Rating):
SMDJ100A (Alpha & Omega Semiconductor Inc.) and SMLJ100A (Bourns Inc.) provide double the peak pulse current (18.6A) and power dissipation (3000W) while maintaining the same 100V/162V voltage protection characteristics. These parts are suitable for applications with higher transient energy requirements.
5.0SMDJ100A (Taiwan Semiconductor Corporation) provides the highest current and power rating (30.9A, 5000W) with extended temperature range to 175°C. This part is recommended for demanding applications requiring maximum transient energy absorption at the same voltage protection level.
All recommended substitutes maintain the DO-214AB (SMC) surface mount package and unidirectional Zener TVS diode configuration, ensuring mechanical and functional compatibility with the original design.
Frequently Asked Questions (FAQ)
Q: Can SMCJ100A-13-F be used as a direct replacement for SMCJ100A-13?
A: Yes. SMCJ100A-13-F maintains identical electrical specifications (100V standoff, 162V clamp, 9.3A peak pulse, 1500W power) and the same DO-214AB (SMC) package. The primary differences are active product status and ROHS3 compliance.
Q: What is the difference between direct equivalents and manufacturer-recommended alternatives?
A: Direct equivalents (SMCJ100A-13-F, SMCJ100A, SMCJ100A-TP) provide identical peak pulse current (9.3A) and power dissipation (1500W). Manufacturer-recommended alternatives (SMDJ100A, SMLJ100A, 5.0SMDJ100A) offer higher current and power ratings (18.6A to 30.9A, 3000W to 5000W) while maintaining the same voltage protection threshold (100V standoff, 162V clamp).
Q: Are all substitute parts available in tape & reel packaging?
A: SMCJ100A-13-F, SMCJ100A-TP, SMDJ100A, SMLJ100A, and 5.0SMDJ100A are available in tape & reel (TR) packaging. SMCJ100A (Fairchild Semiconductor) packaging format is not specified in the provided data.
Q: Which substitute offers the best temperature performance?
A: SMCJ100A-TP and 5.0SMDJ100A both support extended operating temperature range to 175°C, compared to the original part's -55°C to 150°C range.
Q: Can I use a higher-rated part (SMDJ100A or 5.0SMDJ100A) in place of SMCJ100A-13?
A: Yes. Higher-rated parts maintain the same voltage protection characteristics (100V standoff, 162V clamp) and DO-214AB package. They provide additional transient energy absorption capability without affecting voltage regulation performance. Circuit design must accommodate the different part number and potential supplier device package variations.
Q: What is the RoHS compliance status of available substitutes?
A: SMCJ100A-13-F, SMCJ100A-TP, SMDJ100A, SMLJ100A, and 5.0SMDJ100A are ROHS3 compliant. The original SMCJ100A-13 is RoHS non-compliant. SMCJ100A (Fairchild Semiconductor) RoHS status is not specified.
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