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SMBJ6.5CE3/TR13 Equivalent & Substitute Parts
Part Overview
The SMBJ6.5CE3/TR13 is a Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology, classified as a Zener-type bidirectional TVS device in the DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage suppression in electronic circuits. The product maintains Active status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring availability and regulatory acceptance in modern manufacturing environments. Substitute parts become necessary when the primary manufacturer part is unavailable, supply chain constraints exist, or alternative suppliers offer better inventory availability or lead times for equivalent electrical and mechanical performance.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | SMBJ6.5CE3/TR13 |
| Manufacturer | Microchip Technology |
| Category | Transient Voltage Suppressors (TVS) |
| Packaging | Tape & Reel (TR) |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 6.5V |
| Voltage - Breakdown (Min) | 7.22V |
| Voltage - Clamping (Max) @ Ipp | 12.3V |
| Current - Peak Pulse (10/1000µs) | 48.7A |
| Power - Peak Pulse | 600W |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Mount Type | Surface Mount |
| Package/Case | DO-214AA, SMB |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the SMBJ6.5CE3/TR13 are determined by strict equivalence in the following critical electrical parameters:
- Voltage - Reverse Standoff (Typ): 6.5V
- Voltage - Breakdown (Min): 7.22V minimum
- Package/Case: DO-214AA, SMB surface mount configuration
- Bidirectional Channels: 1
- Type: Zener TVS diode
- Power - Peak Pulse: 600W
- Operating Temperature Range: -55°C to -175°C (TJ) maximum upper limits acceptable
The substitute parts identified maintain the core voltage protection ratings and mechanical compatibility required for direct board-level replacement. Variations in Voltage - Clamping (Max) @ Ipp and Current - Peak Pulse specifications are within acceptable tolerance ranges for TVS applications where the primary design constraint is the reverse standoff voltage and breakdown characteristics. All substitute parts maintain RoHS3 compliance and MSL 1 ratings.
Parameter Comparison
| Part Number | Manufacturer | Voltage Standoff (Typ) | Voltage Breakdown (Min) | Voltage Clamping (Max) | Current - Peak Pulse | Operating Temp | Package | Packaging Type |
|---|---|---|---|---|---|---|---|---|
| SMBJ6.5CE3/TR13 | Microchip Technology | 6.5V | 7.22V | 12.3V | 48.7A | -65°C ~ 150°C | DO-214AA, SMB | Tape & Reel |
| 1SMB6.5CA TR13 PBFREE | Central Semiconductor Corp | 6.5V | 7.22V | 11.2V | 53.6A | -65°C ~ 150°C | DO-214AA, SMB | Tape & Reel |
| SMBJ6.5CA | EVVO Semi | 6.5V | 7.22V | 11.2V | 53.6A | -65°C ~ 150°C | DO-214AA, SMB | Cut Tape & Digi-Reel |
| SMBJ6.5CA-13-F | Diodes Incorporated | 6.5V | 7.22V | 11.2V | 53.6A | -55°C ~ 150°C | DO-214AA, SMB | Tape & Reel |
| SMBJ6.5CA-E3/52 | Vishay General Semiconductor | 6.5V | 7.22V | 11.2V | 53.6A | -55°C ~ 150°C | DO-214AA, SMB | Tape & Reel |
| SMBJ6.5CA-E3/5B | Vishay General Semiconductor | 6.5V | 7.22V | 11.2V | 53.6A | -55°C ~ 150°C | DO-214AA, SMB | Tape & Reel |
| SMBJ6.5CA-TP | Micro Commercial Co | 6.5V | 7.22V | 11.2V | 53.6A | -55°C ~ 175°C | DO-214AA, SMB | Tape & Reel |
| SMBJ6.5CA-TR | STMicroelectronics | 6.5V | 7.2V | 11.2V | 56A | -55°C ~ 150°C | DO-214AA, SMB | Cut Tape & Digi-Reel |
| SMBJ6V5CA | Taiwan Semiconductor Corporation | 6.5V | 7.22V | 11.2V | 53.6A | -55°C ~ 150°C | DO-214AA, SMB | Cut Tape & Digi-Reel |
Engineering Selection Recommendations
All identified substitute parts maintain Active product status with full RoHS3 compliance and MSL 1 ratings, ensuring regulatory acceptance and consistent moisture handling requirements across all options. Selection among substitute parts should be guided by the following factors:
Supply Chain Availability: Parts with highest inventory levels include SMBJ6V5CA (Taiwan Semiconductor Corporation, 300,300 pcs) and SMBJ6.5CA (EVVO Semi, 146,145 pcs), providing expedited procurement timelines when extended lead times are critical.
Packaging Configuration: Tape & Reel packaging aligns directly with the original SMBJ6.5CE3/TR13 specification. SMBJ6.5CA-13-F (Diodes Incorporated) and Central Semiconductor's 1SMB6.5CA TR13 PBFREE maintain identical tape & reel specifications with high inventory availability (65,300 and 3,835 pcs respectively).
Operating Temperature Range: For applications requiring extended low-temperature performance to -65°C, the original part and Central Semiconductor's 1SMB6.5CA TR13 PBFREE are the only options. For standard -55°C minimum applications, all other substitutes are acceptable.
Electrical Performance: The original SMBJ6.5CE3/TR13 specifies a maximum clamping voltage of 12.3V, while all identified substitutes specify 11.2V maximum clamping voltage. This represents an improvement in transient suppression performance. The breakdown voltage minimum (7.22V) is maintained across all substitutes, ensuring circuit protection thresholds remain equivalent.
Frequently Asked Questions (FAQ)
Q: Can SMBJ6.5CA substitutes be used as direct drop-in replacements for SMBJ6.5CE3/TR13?
A: Yes. All identified substitute parts share the core voltage ratings (6.5V reverse standoff, 7.22V minimum breakdown), identical DO-214AA (SMB) surface mount package geometry, and equivalent power dissipation (600W peak pulse). Board-level mechanical and electrical compatibility is maintained.
Q: Does the difference in clamping voltage (12.3V vs. 11.2V) affect circuit performance?
A: The lower clamping voltage of substitute parts (11.2V maximum) represents enhanced transient suppression capability compared to the original specification (12.3V maximum). This difference operates within normal TVS design margins and does not introduce circuit compatibility issues.
Q: Are there packaging differences between substitute options?
A: Packaging type differs between suppliers. The original part and Central Semiconductor's part specify Tape & Reel (TR) configuration. EVVO Semi, Taiwan Semiconductor Corporation, and STMicroelectronics supply Cut Tape & Digi-Reel options. Both configurations accommodate standard pick-and-place assembly equipment. Part quantity requirements and assembly process parameters should determine packaging selection.
Q: Which substitute parts are recommended for -65°C minimum operating temperature applications?
A: Only the original SMBJ6.5CE3/TR13 (Microchip Technology) and 1SMB6.5CA TR13 PBFREE (Central Semiconductor Corp) specify -65°C minimum operating temperature. All other substitutes specify -55°C minimum limits. Operating temperature range requirements must align with selected part specifications.
Q: Are all substitute parts REACH compliant?
A: Yes. All identified substitute parts maintain REACH Unaffected status or are ROHS3 Compliant, ensuring regulatory acceptance in jurisdictions with REACH and RoHS requirements.
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