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CD214B-T9.0CALF Equivalent & Substitute Parts
Part Overview
The CD214B-T9.0CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., rated for 9V reverse standoff voltage with 15.4V maximum clamping voltage and 39A peak pulse current. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
The part operates across a temperature range of -55°C to 150°C and is housed in a DO-214AA (SMB) surface mount package. It is ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level) and carries EAR99 export classification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Reverse Standoff (Typ) | 9V |
| Voltage - Breakdown (Min) | 10V |
| Voltage - Clamping (Max) @ Ipp | 15.4V |
| Current - Peak Pulse (10/1000µs) | 39A |
| Power - Peak Pulse | 600W |
| Package / Case | DO-214AA, SMB |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Type | Zener |
| Bidirectional Channels | 1 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution for the CD214B-T9.0CALF is determined by the following critical parameters:
- Voltage - Reverse Standoff: 9V (±tolerance)
- Voltage - Clamping (Max) @ Ipp: 15.4V (±tolerance)
- Current - Peak Pulse (10/1000µs): 39A minimum
- Power - Peak Pulse: 600W minimum
- Package / Case: DO-214AA (SMB) surface mount
- Type: Zener diode, bidirectional, single channel
- Operating Temperature: -55°C to 150°C minimum range
Substitute parts are grouped into three categories:
Direct Substitutes: Parts with identical electrical specifications and active product status, enabling direct replacement without circuit redesign.
Upgrade Substitutes: Parts with equivalent or superior electrical performance and extended temperature range, suitable for enhanced reliability applications.
Similar Substitutes: Parts with comparable voltage and current ratings but minor parameter variations, requiring circuit validation before implementation.
Parameter Comparison
| Part Number | Manufacturer | VWM (Typ) | VC (Max) | Ipp (A) | Power (W) | Temp Range | Status | Package |
|---|---|---|---|---|---|---|---|---|
| CD214B-T9.0CALF | Bourns Inc. | 9V | 15.4V | 39A | 600W | -55°C ~ 150°C | Obsolete | DO-214AA (SMB) |
| SMBJ9.0CA | Taiwan Semiconductor Corporation | 9V | 15.4V | 40A | 600W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
| SMBJ9.0CA-HR | Littelfuse Inc. | 9V | 15.4V | 39A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| P6SMB10CA-M3/52 | Vishay General Semiconductor - Diodes Division | 8.55V | 14.5V | 41.4A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| P6SMB10CA-M3/5B | Vishay General Semiconductor - Diodes Division | 8.55V | 14.5V | 41.4A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| P6SMB9.1CA-M3/52 | Vishay General Semiconductor - Diodes Division | 7.78V | 13.4V | 44.8A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| P6SMB9.1CA-M3/5B | Vishay General Semiconductor - Diodes Division | 7.78V | 13.4V | 44.8A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| SMB8J8.0CA-M3/52 | Vishay General Semiconductor - Diodes Division | 8V | 13.6V | 58.8A | 800W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
| SMB8J8.0CA-M3/5B | Vishay General Semiconductor - Diodes Division | 8V | 13.6V | 58.8A | 800W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
Engineering Selection Recommendations
Direct Replacement (Preferred):
SMBJ9.0CA (Taiwan Semiconductor Corporation) provides direct electrical equivalence with 40A peak pulse current, matching the 9V standoff and 15.4V clamping specifications. Active product status ensures long-term availability. ROHS3 compliance and MSL 1 rating align with the original part requirements.
Upgrade Option:
SMBJ9.0CA-HR (Littelfuse Inc.) maintains identical electrical specifications while extending the operating temperature range to -65°C. Tape & Reel packaging and active status support high-volume production environments. This part is suitable for applications requiring enhanced low-temperature performance.
Alternative Selections:
P6SMB10CA-M3/52 and P6SMB10CA-M3/5B (Vishay) operate at 8.55V standoff with 14.5V clamping and 41.4A peak pulse current. These parts are suitable for applications where slightly lower voltage thresholds are acceptable. Extended temperature range (-65°C to 150°C) and active status support long-term procurement.
P6SMB9.1CA-M3/52 and P6SMB9.1CA-M3/5B (Vishay) operate at 7.78V standoff with 13.4V clamping and 44.8A peak pulse current. These parts are suitable for lower voltage protection circuits.
SMB8J8.0CA-M3/52 and SMB8J8.0CA-M3/5B (Vishay) operate at 8V standoff with 13.6V clamping, 58.8A peak pulse current, and 800W power rating. These parts provide enhanced current handling for high-energy transient suppression applications.
All substitute parts maintain DO-214AA (SMB) package compatibility, ROHS3 compliance, and MSL 1 moisture sensitivity rating.
Frequently Asked Questions (FAQ)
Q: Can SMBJ9.0CA directly replace CD214B-T9.0CALF?
A: Yes. SMBJ9.0CA matches the 9V standoff voltage, 15.4V clamping voltage, and 600W power rating. The 40A peak pulse current exceeds the original 39A specification. Both parts use DO-214AA (SMB) packaging and are ROHS3 compliant.
Q: What is the difference between SMBJ9.0CA and SMBJ9.0CA-HR?
A: Both parts have identical electrical specifications (9V standoff, 15.4V clamping, 39A peak pulse). SMBJ9.0CA-HR extends the operating temperature range to -65°C (versus -55°C) and is supplied in Tape & Reel packaging. SMBJ9.0CA-HR is preferred for applications requiring enhanced low-temperature performance.
Q: Can Vishay P6SMB series parts substitute for the CD214B-T9.0CALF?
A: Vishay P6SMB parts operate at lower voltage thresholds (7.78V to 8.55V standoff) compared to the original 9V specification. These parts are suitable only if circuit protection requirements allow lower voltage operation. All P6SMB variants maintain DO-214AA (SMB) package compatibility and 600W power rating.
Q: What is the significance of packaging variants (M3/52 versus M3/5B)?
A: Both packaging variants (Tape & Box) contain identical electrical components. The designation reflects different tape and reel configurations for automated assembly. Selection depends on production equipment compatibility and inventory management requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, matching the original CD214B-T9.0CALF specifications.
Q: Which substitute part offers the highest current handling capacity?
A: SMB8J8.0CA-M3/52 and SMB8J8.0CA-M3/5B provide 58.8A peak pulse current with 800W power rating. These parts are suitable for applications requiring enhanced transient energy dissipation beyond the original 39A specification.
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