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SMLJ90CE3/TR13 Equivalent & Substitute Parts
Part Overview
The SMLJ90CE3/TR13 is a transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This bidirectional Zener diode operates with a 90V reverse standoff voltage and provides 160V maximum clamping voltage at peak pulse current. The component is housed in a DO-214AB (SMC) package and is supplied in Tape & Reel packaging.
The SMLJ90CE3/TR13 maintains Active product status with full RoHS3 compliance and REACH unaffected classification. Equivalent and substitute parts are identified based on matching electrical parameters (reverse standoff voltage, breakdown voltage, clamping voltage, and peak pulse current) and mechanical compatibility (DO-214AB package, surface-mount configuration, and operating temperature range).
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 90 | V |
| Voltage - Breakdown (Min) | 100 | V |
| Voltage - Clamping (Max) @ Ipp | 160 | V |
| Current - Peak Pulse (10/1000µs) | 18.8 | A |
| Power - Peak Pulse | 300 | W |
| Operating Temperature Range | -55 to 150 | °C (TJ) |
| Package / Case | DO-214AB, SMC | — |
| Mounting Type | Surface Mount | — |
| Bidirectional Channels | 1 | — |
| Type | Zener | — |
Substitute Part Grouping Explanation
Substitution of the SMLJ90CE3/TR13 is determined by strict equivalence in the following electrical and mechanical parameters:
Critical Matching Parameters:
- Voltage - Reverse Standoff (Typ): 90V
- Voltage - Breakdown (Min): 100V
- Package / Case: DO-214AB, SMC
- Mounting Type: Surface Mount
- Bidirectional Channels: 1
- Type: Zener
Allowable Variation Parameters:
- Voltage - Clamping (Max) @ Ipp: Substitute parts may have lower clamping voltage (146V is acceptable as it provides equal or better protection)
- Current - Peak Pulse (10/1000µs): Substitute parts with equal or higher peak pulse current are acceptable
- Power - Peak Pulse: Substitute parts with equal or higher power rating are acceptable
- Operating Temperature Range: Substitute parts with equal or extended upper temperature limit are acceptable
All identified substitute parts maintain the same 90V reverse standoff voltage, 100V minimum breakdown voltage, and DO-214AB surface-mount package configuration. Variations in clamping voltage, peak pulse current, and power dissipation reflect different manufacturer designs while preserving functional compatibility for general-purpose transient voltage suppression applications.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (V) | Voltage - Breakdown Min (V) | Voltage - Clamping Max @ Ipp (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Operating Temp (°C) | Package | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|
| SMLJ90CE3/TR13 | Microchip Technology | 90 | 100 | 160 | 18.8 | 300 | -55 to 150 | DO-214AB, SMC | Tape & Reel |
| 5.0SMLJ90CA-TP | Micro Commercial Co | 90 | 100 | 146 | 34.3 | 5000 | -55 to 175 | DO-214AB, SMC | Tape & Reel |
| SMCJ90CA | Fairchild Semiconductor | 90 | 100 | 146 | 10.3 | 1500 | -55 to 150 | DO-214AB, SMC | Bulk |
| SMCJ90CA-13-F | Diodes Incorporated | 90 | 100 | 146 | 10.3 | 1500 | -55 to 150 | DO-214AB, SMC | Tape & Reel |
| SMDJ90CA | Alpha & Omega Semiconductor Inc. | 90 | 100 | 146 | 20.6 | 3000 | -55 to 150 | DO-214AB, SMC | Tape & Reel |
| SMLJ90CA | Bourns Inc. | 90 | 100 | 146 | 20.6 | 3000 | -55 to 150 | DO-214AB, SMC | Tape & Reel |
| SMLJ90CA-TP | Micro Commercial Co | 90 | 100 | 146 | 20.6 | 3000 | -55 to 175 | DO-214AB, SMC | Tape & Reel |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
SMLJ90CA-TP (Micro Commercial Co) and SMLJ90CA (Bourns Inc.) are direct functional equivalents with identical peak pulse current (20.6A) and power dissipation (3000W). Both maintain the 90V reverse standoff voltage and 100V breakdown voltage. SMLJ90CA-TP offers extended operating temperature range (-55 to 175°C) compared to the original part (-55 to 150°C). Both are supplied in Tape & Reel packaging and maintain RoHS3 compliance.
Secondary Substitutes (Acceptable with Lower Peak Pulse Current):
SMCJ90CA-13-F (Diodes Incorporated) and SMCJ90CA (Fairchild Semiconductor) provide equivalent voltage protection with reduced peak pulse current (10.3A) and power dissipation (1500W). These parts are suitable for applications with lower transient current requirements. SMCJ90CA-13-F is supplied in Tape & Reel packaging; SMCJ90CA is supplied in Bulk packaging.
Enhanced Performance Substitute (Higher Power Dissipation):
5.0SMLJ90CA-TP (Micro Commercial Co) provides superior transient suppression capability with 34.3A peak pulse current and 5000W power dissipation. This part includes extended operating temperature range (-55 to 175°C) and is supplied in Tape & Reel packaging. Selection of this part is appropriate for applications requiring enhanced overvoltage protection margin.
Higher Peak Pulse Current Substitute:
SMDJ90CA (Alpha & Omega Semiconductor Inc.) offers 20.6A peak pulse current and 3000W power dissipation, matching the performance envelope of SMLJ90CA variants. This part is supplied in Tape & Reel packaging and maintains RoHS3 compliance.
All substitute parts maintain Active product status, RoHS3 compliance, and REACH unaffected or affected classification as specified. Selection between substitutes depends on application-specific requirements for peak pulse current handling, power dissipation capability, and operating temperature range.
Frequently Asked Questions (FAQ)
Q: What are the critical parameters that determine if a part can substitute for the SMLJ90CE3/TR13?
A: The reverse standoff voltage (90V), minimum breakdown voltage (100V), package type (DO-214AB, SMC), and surface-mount configuration must match exactly. The bidirectional Zener diode type and single-channel configuration are also mandatory. Variations in clamping voltage, peak pulse current, and power dissipation are acceptable provided substitute parts offer equal or improved performance.
Q: Can I use SMCJ90CA (Fairchild Semiconductor) as a direct replacement?
A: SMCJ90CA is electrically compatible with the SMLJ90CE3/TR13, maintaining the same 90V reverse standoff voltage, 100V breakdown voltage, and DO-214AB package. However, SMCJ90CA has reduced peak pulse current (10.3A versus 18.8A) and lower power dissipation (1500W versus 300W). This part is suitable for applications with lower transient current requirements. SMCJ90CA is supplied in Bulk packaging rather than Tape & Reel.
Q: What is the difference between SMLJ90CA-TP and SMLJ90CA?
A: Both parts are manufactured by Micro Commercial Co and Bourns Inc. respectively, with identical electrical specifications (90V reverse standoff, 100V breakdown, 146V clamping, 20.6A peak pulse, 3000W power). SMLJ90CA-TP offers extended operating temperature range (-55 to 175°C) compared to SMLJ90CA (-55 to 150°C). Both are supplied in Tape & Reel packaging and maintain RoHS3 compliance.
Q: Is 5.0SMLJ90CA-TP suitable for my application?
A: 5.0SMLJ90CA-TP is a valid substitute with enhanced performance characteristics. It maintains the 90V reverse standoff voltage and 100V breakdown voltage but provides significantly higher peak pulse current (34.3A) and power dissipation (5000W). This part is appropriate for applications requiring superior transient suppression capability and includes extended operating temperature range (-55 to 175°C). Tape & Reel packaging is available.
Q: What packaging options are available for substitute parts?
A: Most substitute parts are supplied in Tape & Reel packaging, which is suitable for automated assembly processes. SMCJ90CA (Fairchild Semiconductor) is available in Bulk packaging. All substitute parts use the DO-214AB (SMC) surface-mount package, ensuring mechanical compatibility with the original SMLJ90CE3/TR13.
Q: Are all substitute parts RoHS3 compliant?
A: All identified substitute parts maintain RoHS3 compliance. SMLJ90CA (Bourns Inc.) has REACH Affected status, while other substitutes have REACH Unaffected status. Verify REACH compliance requirements for your specific application and supply chain.
Q: Can I use SMDJ90CA instead of SMLJ90CE3/TR13?
A: SMDJ90CA (Alpha & Omega Semiconductor Inc.) is electrically compatible with identical 90V reverse standoff voltage, 100V breakdown voltage, and DO-214AB package. It provides 20.6A peak pulse current and 3000W power dissipation, matching the performance of SMLJ90CA variants. SMDJ90CA is supplied in Tape & Reel packaging and maintains RoHS3 compliance.
Q: What is the operating temperature range consideration for substitution?
A: The original SMLJ90CE3/TR13 operates from -55 to 150°C. Substitute parts SMLJ90CA-TP and 5.0SMLJ90CA-TP offer extended upper temperature limit (-55 to 175°C), providing additional thermal margin. Other substitutes maintain the -55 to 150°C range. Selection depends on application thermal environment requirements.
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