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CD214A-T60ALF Equivalent & Substitute Parts
Part Overview
The CD214A-T60ALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., rated for 60V reverse standoff with 96.8V maximum clamping voltage. This surface mount component in DO-214AC (SMA) package is designed for general-purpose transient voltage suppression applications. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CD214A-T60ALF |
| Manufacturer | Bourns Inc. |
| Product Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 60V |
| Voltage - Breakdown (Min) | 66.7V |
| Voltage - Clamping (Max) @ Ipp | 96.8V |
| Current - Peak Pulse (10/1000µs) | 4.1A |
| Power - Peak Pulse | 400W |
| Operating Temperature Range | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AC, SMA |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the CD214A-T60ALF is determined by the following critical electrical and mechanical parameters:
Primary Substitution Criteria:
- Reverse standoff voltage: 60V (±tolerance)
- Maximum clamping voltage: 96.8V (±tolerance)
- Peak pulse current: 4.1A minimum
- Peak pulse power: 400W
- Package type: DO-214AC (SMA) surface mount
- Unidirectional configuration (single channel)
- Operating temperature range: -55°C to 150°C minimum
Direct Equivalent: The SMAJ60A from Meritek meets all primary electrical specifications with identical reverse standoff (60V), clamping voltage (96.8V), and peak pulse current (4.13A). This part is active and represents the closest functional replacement.
Similar Alternatives: Parts from Vishay's TransZorb® series (SMAJ51A, SMAJ54A, P4SMA62A, P4SMA68A) provide comparable transient suppression performance within the same package but with different voltage ratings. These are suitable where the exact voltage specification allows tolerance variation or where circuit design permits operation at alternative voltage levels.
Parameter Comparison
| Parameter | CD214A-T60ALF (Main) | SMAJ60A (Direct) | SMAJ51A-M3/61 (Similar) | SMAJ54A-M3/61 (Similar) | P4SMA62A-M3/61 (Similar) | P4SMA68A-M3/61 (Similar) |
|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Meritek | Vishay | Vishay | Vishay | Vishay |
| Voltage - Reverse Standoff (Typ) | 60V | 60V | 51V | 54V | 53V | 58.1V |
| Voltage - Breakdown (Min) | 66.7V | 66.7V | 56.7V | 60V | 58.9V | 64.6V |
| Voltage - Clamping (Max) @ Ipp | 96.8V | 96.8V | 82.4V | 87.1V | 85V | 92V |
| Current - Peak Pulse (10/1000µs) | 4.1A | 4.13A | 4.9A | 4.6A | 4.7A | 4.3A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W |
| Operating Temperature Range | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C |
| Package / Case | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
For Direct Replacement (Identical Electrical Performance): The SMAJ60A from Meritek is the primary substitute. It maintains the exact reverse standoff voltage (60V) and clamping voltage (96.8V) specifications of the CD214A-T60ALF. Both parts are ROHS3 compliant with MSL 1 rating. The SMAJ60A is currently in active production with substantial inventory availability (77,620 pcs), ensuring supply continuity.
For Alternative Voltage Ratings (Circuit Design Flexibility): When circuit design permits operation at alternative voltage levels, the following active Vishay TransZorb® parts provide equivalent transient suppression capability in the same DO-214AC (SMA) package:
- SMAJ51A-M3/61: 51V standoff, 82.4V clamp (lower voltage application)
- SMAJ54A-M3/61: 54V standoff, 87.1V clamp (moderate voltage application)
- P4SMA62A-M3/61: 53V standoff, 85V clamp (moderate voltage application)
- P4SMA68A-M3/61: 58.1V standoff, 92V clamp (higher voltage application)
All alternative parts maintain 400W peak pulse power, ROHS3 compliance, and MSL 1 rating. Vishay parts offer extended operating temperature range to -65°C, providing additional thermal margin in low-temperature environments.
Frequently Asked Questions (FAQ)
Q: Can SMAJ60A be used as a direct replacement for CD214A-T60ALF? A: Yes. The SMAJ60A matches all critical electrical parameters: 60V reverse standoff, 96.8V clamping voltage, 4.13A peak pulse current, and 400W peak pulse power. Both are surface mount DO-214AC (SMA) packages with identical thermal and compliance ratings.
Q: What is the difference between "Direct" and "Similar" substitute parts? A: Direct substitutes (SMAJ60A) maintain identical voltage specifications. Similar substitutes (SMAJ51A, SMAJ54A, P4SMA62A, P4SMA68A) operate at different voltage ratings but provide equivalent transient suppression performance in the same package. Selection depends on circuit voltage requirements.
Q: Are all substitute parts ROHS3 compliant? A: Yes. The SMAJ60A and all Vishay TransZorb® alternatives listed are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level), matching the compliance profile of the original CD214A-T60ALF.
Q: Does package compatibility require any PCB layout changes? A: No. All substitute parts use the DO-214AC (SMA) surface mount package, identical to the CD214A-T60ALF. PCB footprints and reflow profiles remain unchanged.
Q: What is the inventory status of substitute parts? A: SMAJ60A has 77,620 pcs in stock. Vishay alternatives range from 728 to 1,132 pcs in inventory, providing adequate supply for production requirements.
Q: Can lower voltage-rated parts (SMAJ51A, SMAJ54A) be used in a 60V circuit? A: No. Lower voltage-rated parts will trigger at lower transient levels than designed. Circuit voltage specifications must match or exceed the part's reverse standoff rating.
Q: What is the operating temperature advantage of Vishay parts? A: Vishay TransZorb® parts operate from -65°C to 150°C, compared to -55°C to 150°C for the CD214A-T60ALF and SMAJ60A. This provides 10°C additional margin in low-temperature applications.
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