Request Quote
(Ships tomorrow)
CD214B-T6.0ALF Equivalent & Substitute Parts
Part Overview
The CD214B-T6.0ALF is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface mount applications. This component features a 6V reverse standoff voltage with 10.3V maximum clamping voltage and 58.3A peak pulse current capability in the SMB (DO-214AA) package format. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for continued circuit protection functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CD214B-T6.0ALF |
| Manufacturer | Bourns Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 6V |
| Voltage - Breakdown (Min) | 6.67V |
| Voltage - Clamping (Max) @ Ipp | 10.3V |
| Current - Peak Pulse (10/1000µs) | 58.3A |
| Power - Peak Pulse | 600W |
| Operating Temperature Range | -55°C ~ 150°C (TJ) |
| Package / Case | DO-214AA, SMB |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the CD214B-T6.0ALF is determined by strict equivalence across the following critical electrical and mechanical parameters:
Primary Substitution Criteria:
- Voltage - Reverse Standoff (Typ): 6V
- Voltage - Clamping (Max) @ Ipp: 10.3V
- Current - Peak Pulse (10/1000µs): 58.3A
- Power - Peak Pulse: 600W
- Package / Case: DO-214AA, SMB
- Mounting Type: Surface Mount
- Type: Zener, Unidirectional (1 channel)
Direct Equivalents maintain all primary parameters identically and are suitable for one-to-one replacement without circuit redesign.
Similar Alternatives exhibit minor deviations in secondary parameters (operating temperature range, peak pulse current within acceptable tolerance, or clamping voltage within ±0.2V) while maintaining functional compatibility for general-purpose protection applications. These parts require design verification to confirm suitability for specific thermal or transient stress conditions.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Operating Temperature | Package | Product Status |
|---|---|---|---|---|---|---|---|---|
| CD214B-T6.0ALF | Bourns Inc. | 6V | 10.3V | 58.3A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Obsolete |
| SMBJ6.0A | EVVO Semi | 6V | 10.3V | 58.3A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-T7 | Littelfuse Inc. | 6V | 10.3V | 58.3A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-TP | Micro Commercial Co | 6V | 10.3V | 58.3A | 600W | -55°C ~ 175°C | DO-214AA, SMB | Active |
| SMBJ6.0A-TR | STMicroelectronics | 6V | 10.3V | 61A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6V0A | Taiwan Semiconductor Corporation | 6V | 10.3V | 58.3A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SACB6.0 | Littelfuse Inc. | 6V | 11.2V | 41A | 500W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SM6T6V8A-M3/5B | Vishay General Semiconductor - Diodes Division | 5.8V | 10.5V | 57A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.5A | Taiwan Semiconductor Corporation | 6.5V | 11.2V | 56A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.5A/54 | Vishay General Semiconductor - Diodes Division | 6.5V | 11.2V | 53.6A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
Engineering Selection Recommendations
Preferred Direct Equivalents (Active Status, ROHS3 Compliant):
SMBJ6.0A (EVVO Semi), SMBJ6.0A-T7 (Littelfuse Inc.), SMBJ6.0A-TP (Micro Commercial Co), SMBJ6.0A-TR (STMicroelectronics), and SMBJ6V0A (Taiwan Semiconductor Corporation) are functionally identical to the CD214B-T6.0ALF across all critical electrical parameters. All maintain 6V reverse standoff voltage, 10.3V clamping voltage, 58.3A peak pulse current, and 600W peak pulse power in the DO-214AA SMB package. These parts are currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).
Secondary Alternatives (Parameter Deviations):
SACB6.0 (Littelfuse Inc.) maintains 6V reverse standoff and SMB package compatibility but exhibits reduced peak pulse current (41A versus 58.3A) and lower peak pulse power (500W versus 600W), with elevated clamping voltage (11.2V versus 10.3V). This part is suitable only for applications with reduced transient stress requirements.
SM6T6V8A-M3/5B (Vishay General Semiconductor - Diodes Division) features slightly lower reverse standoff voltage (5.8V versus 6V) and marginally higher clamping voltage (10.5V versus 10.3V), with comparable peak pulse current (57A) and power (600W). Extended operating temperature range (-65°C to 150°C) provides thermal margin for high-temperature environments.
SMBJ6.5A and SMBJ6.5A/54 exhibit higher reverse standoff voltage (6.5V) and clamping voltage (11.2V) with reduced peak pulse current (56A and 53.6A respectively), making them unsuitable for direct replacement in circuits requiring 6V protection thresholds.
Frequently Asked Questions (FAQ)
Q: Can SMBJ6.0A directly replace CD214B-T6.0ALF without circuit modification?
A: Yes. SMBJ6.0A (EVVO Semi) maintains identical electrical specifications: 6V reverse standoff, 10.3V clamping voltage, 58.3A peak pulse current, and 600W peak pulse power. The DO-214AA SMB package is mechanically compatible. No circuit redesign is required.
Q: What is the difference between SMBJ6.0A-T7 and SMBJ6.0A-TP?
A: Both maintain identical electrical parameters (6V standoff, 10.3V clamping, 58.3A peak pulse current, 600W power). SMBJ6.0A-TP (Micro Commercial Co) offers extended operating temperature range (-55°C to 175°C) compared to SMBJ6.0A-T7 (-65°C to 150°C). Selection depends on thermal environment requirements.
Q: Why is SACB6.0 listed as a similar alternative rather than a direct equivalent?
A: SACB6.0 deviates from CD214B-T6.0ALF specifications in three parameters: peak pulse current (41A versus 58.3A), peak pulse power (500W versus 600W), and clamping voltage (11.2V versus 10.3V). These deviations reduce transient suppression capability and alter voltage clamping behavior, requiring design verification for specific circuit conditions.
Q: Are all substitute parts ROHS3 compliant?
A: SMBJ6.0A (EVVO Semi), SMBJ6.0A-T7 (Littelfuse Inc.), SMBJ6.0A-TP (Micro Commercial Co), SMBJ6.0A-TR (STMicroelectronics), and SMBJ6V0A (Taiwan Semiconductor Corporation) are ROHS3 compliant. SMBJ6.5A/54 (Vishay) is RoHS non-compliant. Verify compliance requirements for your application before selection.
Q: What is the significance of the DO-214AA SMB package designation?
A: DO-214AA and SMB are equivalent designations for the same surface mount package format. All listed substitute parts use this standardized package, ensuring mechanical and thermal compatibility with existing PCB layouts and reflow soldering processes.
Q: Can SMBJ6.5A be used in place of CD214B-T6.0ALF?
A: No. SMBJ6.5A operates at 6.5V reverse standoff voltage versus the required 6V, resulting in delayed voltage suppression and potential circuit damage. The higher clamping voltage (11.2V) and reduced peak pulse current (56A) further compromise protection performance.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts