Request Quote
(Ships tomorrow)
CD214L-T90ALF Equivalent & Substitute Parts
Part Overview
The CD214L-T90ALF is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Bourns Inc., rated for 90V reverse standoff voltage with 146V maximum clamping voltage and 20.6A peak pulse current. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The part is housed in a DO-214AB (SMC) surface mount package and is ROHS3 compliant with unlimited moisture sensitivity rating.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CD214L-T90ALF |
| Manufacturer | Bourns Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 90V |
| Voltage - Breakdown (Min) | 100V |
| Voltage - Clamping (Max) @ Ipp | 146V |
| Current - Peak Pulse (10/1000µs) | 20.6A |
| Power - Peak Pulse | 3000W (3kW) |
| Operating Temperature Range | -55°C ~ 150°C (TJ) |
| Package / Case | DO-214AB, SMC |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the CD214L-T90ALF is determined by the following critical parameters:
- Voltage - Reverse Standoff (Typ): 90V
- Voltage - Breakdown (Min): 100V
- Voltage - Clamping (Max) @ Ipp: 146V
- Unidirectional Channels: 1
- Package / Case: DO-214AB, SMC
- Mounting Type: Surface Mount
Substitute parts are grouped into two categories:
Direct Equivalents maintain identical electrical specifications and are pin-compatible replacements with the same performance envelope.
Similar Substitutes share the core voltage and clamping characteristics but differ in peak pulse current capacity or power dissipation ratings. These parts are suitable for applications where the higher current or power handling capability does not create design conflicts, or where lower ratings are acceptable for the application requirements.
Parameter Comparison
| Part Number | Manufacturer | VWM (Typ) | VBR (Min) | VC (Max) | Ipp (A) | Power (W) | Temp Range | Status | Package |
|---|---|---|---|---|---|---|---|---|---|
| CD214L-T90ALF | Bourns Inc. | 90V | 100V | 146V | 20.6A | 3000W | -55°C ~ 150°C | Obsolete | DO-214AB (SMC) |
| SMLJ90A | Bourns Inc. | 90V | 100V | 146V | 20.6A | 3000W | -55°C ~ 150°C | Active | DO-214AB (SMC) |
| 5.0SMDJ90A | Taiwan Semiconductor Corporation | 90V | 100V | 146V | 34.3A | 5000W | -55°C ~ 175°C | Active | DO-214AB (SMC) |
| 5.0SMDJ90A-T7 | Littelfuse Inc. | 90V | 100V | 146V | 34.3A | 5000W | -65°C ~ 150°C | Active | DO-214AB (SMC) |
| SMCJ90A | Fairchild Semiconductor | 90V | 100V | 146V | 10.3A | 1500W | -55°C ~ 150°C | Active | DO-214AB (SMC) |
| SMDJ90A | Alpha & Omega Semiconductor Inc. | 90V | 100V | 146V | 20.6A | 3000W | -55°C ~ 150°C | Active | DO-214AB (SMC) |
| SMDJ90A-HR | Littelfuse Inc. | 90V | 100V | 146V | 20.5A | 3000W | -65°C ~ 150°C | Active | DO-214AB (SMC) |
| SMDJ90A-HRA | Littelfuse Inc. | 90V | 100V | 146V | 20.5A | 3000W | -65°C ~ 150°C | Active | DO-214AB (SMC) |
| SMDJ90A-HRAT7 | Littelfuse Inc. | 90V | 100V | 146V | 20.5A | 3000W | -65°C ~ 150°C | Active | DO-214AB (SMC) |
| TPSMC91A | Littelfuse Inc. | 77.8V | 86.5V | 125V | 12.2A | 1500W | -55°C ~ 150°C | Active | DO-214AB (SMC) |
Engineering Selection Recommendations
Primary Recommendation: SMLJ90A (Bourns Inc.)
The SMLJ90A is the direct equivalent replacement for the CD214L-T90ALF. Both parts are manufactured by Bourns Inc. and share identical electrical specifications: 90V reverse standoff, 100V minimum breakdown, 146V maximum clamping, and 20.6A peak pulse current. The SMLJ90A is in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. This part provides seamless substitution with no design modifications required.
Secondary Recommendation: SMDJ90A (Alpha & Omega Semiconductor Inc.)
The SMDJ90A matches the CD214L-T90ALF across all critical electrical parameters and maintains the same 3000W power rating and 20.6A peak pulse current. The part is actively produced, ROHS3 compliant, and housed in the DO-214AB (SMC) package. This option provides functional equivalence with established supply availability.
Alternative for Enhanced Performance: 5.0SMDJ90A (Taiwan Semiconductor Corporation) or 5.0SMDJ90A-T7 (Littelfuse Inc.)
These parts maintain the 90V/100V/146V voltage specifications but provide increased peak pulse current (34.3A) and power dissipation (5000W). Selection is appropriate when circuit design permits higher current handling or when additional thermal margin is beneficial. The 5.0SMDJ90A-T7 extends the lower operating temperature limit to -65°C.
Lower Power Alternative: SMCJ90A (Fairchild Semiconductor)
The SMCJ90A maintains voltage specifications but reduces peak pulse current to 10.3A and power to 1500W. This part is suitable only for applications where the original 20.6A/3000W specification exceeds actual circuit requirements.
Not Recommended: TPSMC91A (Littelfuse Inc.)
The TPSMC91A deviates from the required voltage specifications (77.8V reverse standoff, 86.5V breakdown, 125V clamping) and is not a suitable substitute for the CD214L-T90ALF.
Frequently Asked Questions (FAQ)
Q: Can I use SMLJ90A as a direct replacement for CD214L-T90ALF?
A: Yes. The SMLJ90A is electrically and mechanically identical to the CD214L-T90ALF. Both parts have 90V reverse standoff voltage, 146V clamping voltage, 20.6A peak pulse current, and 3000W power rating in the DO-214AB (SMC) package. The SMLJ90A is in active production.
Q: What is the difference between SMDJ90A and SMDJ90A-HR?
A: Both parts share identical electrical specifications (90V/100V/146V/20.6A/3000W). The SMDJ90A-HR is manufactured by Littelfuse Inc. with an extended lower operating temperature limit of -65°C compared to -55°C for standard variants. The "-HR" designation indicates a hardened or enhanced reliability version.
Q: Can I substitute the 5.0SMDJ90A for the CD214L-T90ALF?
A: Yes, with design consideration. The 5.0SMDJ90A maintains the required 90V/100V/146V voltage specifications and is pin-compatible in the DO-214AB (SMC) package. However, it provides higher peak pulse current (34.3A vs. 20.6A) and power dissipation (5000W vs. 3000W). This substitution is valid when the circuit design accommodates or benefits from the increased current and power handling capability.
Q: Why is TPSMC91A not recommended?
A: The TPSMC91A has different voltage specifications (77.8V reverse standoff, 86.5V breakdown, 125V clamping) that do not match the CD214L-T90ALF requirements. Using this part would alter the circuit's transient voltage suppression characteristics and is not a valid substitute.
Q: Are all substitute parts ROHS3 compliant?
A: All recommended substitute parts (SMLJ90A, SMDJ90A, 5.0SMDJ90A, 5.0SMDJ90A-T7, SMDJ90A-HR, SMDJ90A-HRA, SMDJ90A-HRAT7) are ROHS3 compliant. The SMCJ90A compliance status is not specified in the provided data.
Q: What is the difference between tape & reel and bulk packaging?
A: Tape & reel packaging is suitable for automated assembly processes and high-volume production. Bulk packaging is used for manual assembly or lower-volume applications. Both packaging formats contain the same electronic component; the difference is in the physical delivery and handling method.
Q: Can I use SMDJ90A-HRAT7 instead of SMDJ90A-HRA?
A: Yes. Both parts are manufactured by Littelfuse Inc. with identical electrical specifications and operating temperature range (-65°C ~ 150°C). The "-T7" suffix indicates a specific tape format or reel configuration for automated assembly. The electronic performance is equivalent.
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