Request Quote
(Ships tomorrow)
SMDJ5.0C Equivalent & Substitute Parts
Part Overview
The SMDJ5.0C is a bidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 5V reverse standoff voltage, 9.66V maximum clamping voltage, and 3000W peak pulse power rating in a DO-214AB (SMC) package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SMDJ5.0C |
| Manufacturer | Littelfuse Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 5V |
| Voltage - Breakdown (Min) | 6.03V |
| Voltage - Clamping (Max) @ Ipp | 9.66V |
| Current - Peak Pulse (10/1000µs) | 326.1A |
| Power - Peak Pulse | 3000W |
| Operating Temperature Range | -65°C to 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AB, SMC |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SMDJ5.0C is determined by the following critical parameters:
- Voltage Rating: Reverse standoff voltage of 5V and breakdown voltage minimum of 6.03V to 6.4V
- Clamping Voltage: Maximum clamping voltage between 9.2V and 9.66V at peak pulse current
- Peak Pulse Current: Minimum 163A to 326.1A at 10/1000µs pulse width
- Power Dissipation: 1500W to 3000W peak pulse power rating
- Package: DO-214AB (SMC) surface-mount configuration
- Bidirectionality: Single-channel bidirectional protection
- Temperature Range: Operating temperature compatibility from -55°C to -65°C minimum, up to 150°C or higher maximum
Substitute parts are grouped into two categories based on peak pulse current and power handling capacity:
Group A (3000W, 326A): SMDJ5.0CA, SMLJ5.0CA, SMLJ5.0CA-TP — Full power equivalents with identical current and power ratings.
Group B (1500W, 163A): SMCJ5.0CA, SMCJ5.0CAE3/TR13, SMCJ5V0CA, TV15C5V0JB-G, TV15C5V0JB-HF — Reduced power variants suitable for lower-current transient protection applications.
Parameter Comparison
| Parameter | SMDJ5.0C | SMDJ5.0CA | SMCJ5.0CA | SMCJ5.0CAE3/TR13 | SMCJ5V0CA | SMLJ5.0CA | SMLJ5.0CA-TP | TV15C5V0JB-G | TV15C5V0JB-HF |
|---|---|---|---|---|---|---|---|---|---|
| Voltage - Reverse Standoff (Typ) | 5V | 5V | 5V | 5V | 5V | 5V | 5V | 5V | 5V |
| Voltage - Breakdown (Min) | 6.03V | 6.4V | 6.4V | 6.4V | 6.4V | 6.4V | 6.4V | 6.4V | 6.4V |
| Voltage - Clamping (Max) @ Ipp | 9.66V | 9.2V | 9.2V | 9.2V | 9.2V | 9.2V | 9.2V | 9.2V | 9.2V |
| Current - Peak Pulse (10/1000µs) | 326.1A | 326.1A | 171A | 163A | 163A | 326A | 326A | 163.04A | 163.04A |
| Power - Peak Pulse | 3000W | 3000W | 1500W | 1500W | 1500W | 3000W | 3000W | 1500W | 1500W |
| Operating Temperature (Min) | -65°C | -55°C | -55°C | -65°C | — | -55°C | -55°C | -55°C | -55°C |
| Operating Temperature (Max) | 150°C | 150°C | 150°C | 150°C | — | 150°C | 175°C | 150°C | 150°C |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMCJ | SMC (DO-214AB) | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
Engineering Selection Recommendations
For Direct Replacement (Obsolete Part Mitigation)
SMDJ5.0CA (Alpha & Omega Semiconductor Inc.) and SMLJ5.0CA (Bourns Inc.) are the primary direct replacements. Both maintain the 3000W power rating and 326A peak pulse current of the original SMDJ5.0C, with identical 5V reverse standoff voltage and 9.2V clamping voltage. SMDJ5.0CA is currently in active production status with 17,300 units in stock. SMLJ5.0CA is also active with 13,968 units available. Both are ROHS3 compliant with MSL 1 rating.
For Reduced-Power Applications
SMCJ5.0CA (Taiwan Semiconductor Corporation), SMCJ5.0CAE3/TR13 (Microchip Technology), and TV15C5V0JB-G or TV15C5V0JB-HF (Comchip Technology) are suitable where transient energy is lower. These parts operate at 1500W peak pulse power with 163A to 171A peak pulse current. All maintain the 5V reverse standoff voltage and 9.2V clamping voltage. Selection depends on packaging requirements (Cut Tape & Digi-Reel vs. Tape & Reel) and temperature range needs.
Compliance and Availability
All substitute parts are ROHS3 compliant and carry MSL 1 (unlimited moisture sensitivity). SMCJ5.0CAE3/TR13 maintains the original -65°C minimum operating temperature. SMLJ5.0CA-TP extends the maximum operating temperature to 175°C. Inventory levels range from 811 to 17,300 units across all substitutes, ensuring procurement availability.
Frequently Asked Questions (FAQ)
Q: Can SMCJ5.0CA replace SMDJ5.0C directly in high-current transient protection circuits?
A: SMCJ5.0CA is suitable only if the circuit's transient energy does not exceed 1500W. The SMDJ5.0C and its full-power equivalents (SMDJ5.0CA, SMLJ5.0CA) are rated for 3000W. If the application requires 3000W dissipation, use SMDJ5.0CA or SMLJ5.0CA instead.
Q: What is the difference between SMDJ5.0CA and SMLJ5.0CA?
A: Both are 3000W, 326A equivalents with identical electrical specifications. The primary difference is manufacturer: SMDJ5.0CA is from Alpha & Omega Semiconductor Inc., while SMLJ5.0CA is from Bourns Inc. Selection may depend on supply chain preference or packaging availability (Cut Tape & Digi-Reel vs. Tape & Reel).
Q: Are all substitute parts compatible with the DO-214AB (SMC) package footprint?
A: Yes. All listed substitutes use the DO-214AB (SMC) surface-mount package, ensuring PCB footprint compatibility. Verify supplier device package designation when ordering to confirm exact package format (SMC, SMCJ, or equivalent designations).
Q: Does the 0.46V difference in clamping voltage (9.66V vs. 9.2V) affect circuit performance?
A: The SMDJ5.0C clamps at 9.66V maximum, while most substitutes clamp at 9.2V maximum. This 0.46V difference represents improved clamping performance in the substitutes. Both values fall within acceptable transient suppression ranges for 5V logic protection. Verify the protected circuit's maximum allowable voltage before selection.
Q: Which substitute is best for extended temperature range applications?
A: SMLJ5.0CA-TP (Micro Commercial Co) extends the maximum operating temperature to 175°C, compared to 150°C for most alternatives. SMCJ5.0CAE3/TR13 (Microchip Technology) maintains the original -65°C minimum temperature. Select based on specific thermal requirements.
Q: Is REACH compliance a consideration for these substitutes?
A: SMLJ5.0CA is listed as REACH Affected. All other substitutes are REACH Unaffected. For applications requiring REACH compliance, select from SMDJ5.0CA, SMCJ5.0CA, SMCJ5.0CAE3/TR13, SMCJ5V0CA, SMLJ5.0CA-TP, TV15C5V0JB-G, or TV15C5V0JB-HF.
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