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CD214L-T100CALF Equivalent & Substitute Parts
Part Overview
The CD214L-T100CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface mount applications. This component features a 100V reverse standoff voltage with 162V maximum clamping voltage and 18.6A peak pulse current capability in a DO-214AB (SMC) package. The part is currently obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Bourns Inc. |
| Part Number | CD214L-T100CALF |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Voltage - Reverse Standoff (Typ) | 100V |
| Voltage - Breakdown (Min) | 111V |
| Voltage - Clamping (Max) @ Ipp | 162V |
| Current - Peak Pulse (10/1000µs) | 18.6A |
| Power - Peak Pulse | 3000W (3kW) |
| Package / Case | DO-214AB, SMC |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the CD214L-T100CALF is determined by strict electrical and mechanical parameter matching within the TVS diode category. The critical parameters that define substitutability are:
- Voltage - Reverse Standoff: 100V (exact match required)
- Voltage - Breakdown (Min): 111V (exact match required)
- Voltage - Clamping (Max) @ Ipp: 162V (exact match required)
- Package / Case: DO-214AB, SMC (exact match required)
- Mounting Type: Surface Mount (exact match required)
- Bidirectional Channels: 1 (exact match required)
Substitute parts are grouped into two categories based on current-handling capability:
Category A - Direct Electrical Equivalents (18.6A Ipp): Parts with identical peak pulse current specifications (18.6A) and 3000W power dissipation. These provide direct functional replacement with no circuit redesign required.
Category B - Higher Current Capability (30.9A Ipp or 9.3A Ipp): Parts with different peak pulse current ratings. Higher current parts (30.9A, 5000W) offer enhanced protection margins. Lower current parts (9.3A, 1500W) represent reduced capability and require circuit analysis to confirm adequacy.
Parameter Comparison
| Parameter | CD214L-T100CALF | SMLJ100CA | 5.0SMDJ100CA | 5.0SMDJ100CA-T7 | SMCJ100CA | SMCJ100CA-HR | SMCJ100CA-HRA | SMCJ100CA-HRAT7 | SMCJ100CA-TP | SMDJ100CA |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | MDE Semiconductor Inc | Littelfuse Inc. | HY Electronic (Cayman) Limited | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Micro Commercial Co | Alpha & Omega Semiconductor Inc. |
| Voltage - Reverse Standoff (Typ) | 100V | 100V | 100V | 100V | 100V | 100V | 100V | 100V | 100V | 100V |
| Voltage - Breakdown (Min) | 111V | 111V | 111V | 111V | 111V | 111V | 111V | 111V | 111V | 111V |
| Voltage - Clamping (Max) @ Ipp | 162V | 162V | 162V | 162V | 162V | 162V | 162V | 162V | 162V | 162V |
| Current - Peak Pulse (10/1000µs) | 18.6A | 18.6A | 30.9A | 30.9A | 9.3A | 9.3A | 9.3A | 9.3A | 9.3A | 18.6A |
| Power - Peak Pulse | 3000W (3kW) | 3000W (3kW) | 5000W (5kW) | 5000W (5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 3000W (3kW) |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 150°C (TJ) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Direct Replacement (No Circuit Modification Required):
SMLJ100CA (Bourns Inc.) and SMDJ100CA (Alpha & Omega Semiconductor Inc.) are direct electrical equivalents with matching 18.6A peak pulse current and 3000W power dissipation. Both are active products with ROHS3 compliance. SMLJ100CA maintains Bourns manufacturer continuity. SMDJ100CA provides an alternative source from an active manufacturer.
Enhanced Protection Option:
5.0SMDJ100CA and 5.0SMDJ100CA-T7 offer higher current capability (30.9A) and increased power dissipation (5000W). These parts maintain all critical voltage parameters and package specifications while providing additional transient energy absorption margin. 5.0SMDJ100CA-T7 extends the operating temperature range to -65°C, suitable for extended temperature applications.
Reduced Capability Option:
SMCJ100CA series parts (SMCJ100CA, SMCJ100CA-HR, SMCJ100CA-HRA, SMCJ100CA-HRAT7, SMCJ100CA-TP) feature lower peak pulse current (9.3A) and reduced power dissipation (1500W). These parts are suitable only when circuit transient energy levels are confirmed to remain below 1500W. Multiple manufacturers provide this specification with active product status and ROHS3 compliance.
Compliance Considerations:
All substitute parts maintain ROHS3 compliance. Parts with REACH Unaffected status (5.0SMDJ100CA, 5.0SMDJ100CA-T7, SMCJ100CA-HR, SMCJ100CA-HRA, SMCJ100CA-HRAT7, SMCJ100CA-TP) eliminate REACH compliance documentation requirements. All recommended substitutes are currently in active production status.
Frequently Asked Questions (FAQ)
Q: Can SMCJ100CA series parts (9.3A) directly replace the CD214L-T100CALF (18.6A)?
A: SMCJ100CA series parts match all voltage and package specifications but have half the peak pulse current rating and half the power dissipation capability. Direct substitution is only valid if circuit transient energy analysis confirms peak pulse currents remain below 9.3A and energy dissipation remains below 1500W. If transient specifications exceed these limits, use SMLJ100CA or SMDJ100CA instead.
Q: What is the difference between 5.0SMDJ100CA and 5.0SMDJ100CA-T7?
A: Both parts are electrically identical with 30.9A peak pulse current and 5000W power dissipation. The primary difference is operating temperature range: 5.0SMDJ100CA operates -55°C to 150°C, while 5.0SMDJ100CA-T7 extends to -65°C minimum. Select 5.0SMDJ100CA-T7 for applications requiring extended low-temperature performance.
Q: Are all substitute parts available in the same packaging as the original CD214L-T100CALF?
A: Yes. All substitute parts use DO-214AB (SMC) surface mount package, ensuring mechanical and thermal compatibility with existing PCB layouts. Packaging variations (Cut Tape, Tape & Reel) affect supply chain logistics but not component functionality or board-level performance.
Q: Which substitute offers the best long-term availability?
A: SMLJ100CA (Bourns Inc.), 5.0SMDJ100CA-T7 (Littelfuse Inc.), and SMCJ100CA-TP (Micro Commercial Co) are all active products from established manufacturers with broad market distribution. SMLJ100CA maintains Bourns manufacturer continuity from the original part source.
Q: Do substitute parts require any circuit design changes?
A: Direct electrical equivalents (SMLJ100CA, SMDJ100CA) require no circuit changes. Enhanced protection parts (5.0SMDJ100CA series) may allow relaxed transient margin specifications but require no mandatory changes. Reduced capability parts (SMCJ100CA series) require transient energy analysis to confirm adequacy within 1500W and 9.3A limits.
Q: What compliance certifications apply to these substitute parts?
A: All substitute parts are ROHS3 compliant. REACH compliance status varies by manufacturer: Littelfuse and Micro Commercial Co parts show REACH Unaffected status, while MDE Semiconductor and HY Electronic parts show REACH Affected or Vendor Undefined status. Verify REACH documentation requirements with your supply chain for your specific application region.
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