5SMC48A TR13 Transient Voltage Suppressor (TVS) Equivalent & Substitute Parts

Part Overview

The 5SMC48A TR13 is a 5000W unidirectional transient voltage suppressor manufactured by Central Semiconductor Corp, designed for general-purpose overvoltage protection applications. This component features a 48V reverse standoff voltage with a 77.4V maximum clamping voltage and 64.7A peak pulse current capability in a surface-mount DO-214AB (SMC) package. The part is currently in Last Time Buy status, making identification of active equivalent and substitute components essential for design continuity and procurement planning.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	5SMC48A TR13	—
Manufacturer	Central Semiconductor Corp	—
Category	Transient Voltage Suppressors (TVS)	—
Type	Zener	—
Unidirectional Channels	1	—
Voltage - Reverse Standoff (Typ)	48	V
Voltage - Breakdown (Min)	53.3	V
Voltage - Clamping (Max) @ Ipp	77.4	V
Current - Peak Pulse (10/1000µs)	64.7	A
Power - Peak Pulse	5000	W
Operating Temperature Range	-65 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	DO-214AB, SMC	—
Product Status	Last Time Buy	—

Substitute Part Grouping Explanation

Substitution of the 5SMC48A TR13 is determined by strict equivalence across the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 48V
Voltage - Breakdown (Min): 53.3V
Voltage - Clamping (Max) @ Ipp: 77.4V
Current - Peak Pulse (10/1000µs): 64.7A (±0.1A tolerance acceptable)
Power - Peak Pulse: 5000W
Unidirectional Channels: 1
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount

Secondary Compatibility Factors:

Operating Temperature Range: Minimum -55°C to maximum 150°C acceptable
Type: Zener
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts meeting all primary criteria are electrically interchangeable. Parts with extended operating temperature ranges or automotive qualifications provide enhanced reliability margins but remain functionally equivalent for general-purpose applications.

Parameter Comparison

Part Number	Manufacturer	Voltage Standoff (V)	Voltage Breakdown Min (V)	Voltage Clamp Max (V)	Peak Pulse Current (A)	Power Peak (W)	Temp Range (°C)	Product Status	Inventory
5SMC48A TR13	Central Semiconductor Corp	48	53.3	77.4	64.7	5000	-65 to 150	Last Time Buy	1095
5.0SMDJ48A	Taiwan Semiconductor Corporation	48	53.3	77.4	64.7	5000	-55 to 175	Active	3052
5.0SMDJ48A M6G	Taiwan Semiconductor Corporation	48	53.3	77.4	64.7	5000	-55 to 175	Active	836
5.0SMDJ48A-T7	Littelfuse	48	53.3	77.4	64.7	5000	-65 to 150	Active	2272
5.0SMDJ48AHM6G	Taiwan Semiconductor Corporation	48	53.3	77.4	64.7	5000	-55 to 175	Active	1000
5.0SMLJ48A-TP	Micro Commercial Co	48	53.3	77.4	64.7	5000	-55 to 175	Active	2329
ATV50C480J-HF	Comchip Technology	48	53.3	77.4	64.6	5000	-55 to 155	Active	2899
SM15T56AY	STMicroelectronics	48	53.3	100	100	1500	-40 to 150	Active	2835
SMC30J48A	STMicroelectronics	48	53.2	76.6	38	3000	-55 to 175	Active	760
SMC5K48A-M3/H	Vishay General Semiconductor - Diodes Division	48	53.3	77.4	64.6	5000	-55 to 150	Active	4211

Engineering Selection Recommendations

Direct Electrical Equivalents (Full Substitution):

The following parts maintain complete electrical and mechanical equivalence to the 5SMC48A TR13 across all critical parameters:

5.0SMDJ48A (Taiwan Semiconductor Corporation): Active status with extended operating temperature range (-55 to 175°C). Highest inventory availability (3052 units).
5.0SMDJ48A-T7 (Littelfuse): Active status with matching temperature range (-65 to 150°C). Established supply chain presence.
SMC5K48A-M3/H (Vishay General Semiconductor - Diodes Division): Active status with TransZorb® series designation. Highest inventory (4211 units). Temperature range -55 to 150°C.

Automotive-Qualified Alternatives:

5.0SMDJ48AHM6G (Taiwan Semiconductor Corporation): AEC-Q101 qualified with extended temperature range (-55 to 175°C). Suitable for automotive applications requiring enhanced reliability.
ATV50C480J-HF (Comchip Technology): AEC-Q101 qualified. Peak pulse current specification 64.6A (within tolerance). Temperature range -55 to 155°C.

Partial Substitutes (Application-Dependent):

SM15T56AY (STMicroelectronics): Maintains 48V standoff voltage but features higher clamping voltage (100V) and higher peak pulse current (100A). Power rating reduced to 1500W. Suitable only for applications tolerating higher clamping voltage and lower power dissipation requirements.
SMC30J48A (STMicroelectronics): Maintains 48V standoff voltage but features lower clamping voltage (76.6V), reduced peak pulse current (38A), and 3000W power rating. Suitable only for lower-power transient suppression applications.

Procurement Priority:

For direct replacement without design modification, select from the direct electrical equivalents. The 5.0SMDJ48A offers the best combination of active status, inventory availability, and extended operating temperature range. For automotive applications, the 5.0SMDJ48AHM6G or ATV50C480J-HF provide AEC-Q101 qualification.

Frequently Asked Questions (FAQ)

Q: Can I use 5.0SMDJ48A as a direct replacement for 5SMC48A TR13?

A: Yes. The 5.0SMDJ48A meets all primary electrical and mechanical substitution criteria: 48V standoff voltage, 77.4V clamping voltage, 64.7A peak pulse current, 5000W power rating, and DO-214AB (SMC) package. The extended operating temperature range (-55 to 175°C versus -65 to 150°C) provides additional thermal margin.

Q: What is the difference between 5.0SMDJ48A and 5.0SMDJ48A-T7?

A: Both parts are electrically identical with 48V standoff, 77.4V clamping, and 64.7A peak pulse current. The primary difference is manufacturer: Taiwan Semiconductor Corporation versus Littelfuse. The 5.0SMDJ48A-T7 maintains the original temperature range (-65 to 150°C), while the standard 5.0SMDJ48A extends to -55 to 175°C.

Q: Why are SM15T56AY and SMC30J48A listed as substitutes if they have different electrical specifications?

A: These parts share the 48V standoff voltage and DO-214AB (SMC) package but differ in clamping voltage, peak pulse current, and power rating. They are partial substitutes suitable only for applications with relaxed transient suppression requirements or lower power dissipation needs. They are not recommended for direct replacement in designs optimized for 5000W, 77.4V clamping performance.

Q: Are automotive-qualified versions available?

A: Yes. The 5.0SMDJ48AHM6G (Taiwan Semiconductor Corporation) and ATV50C480J-HF (Comchip Technology) both carry AEC-Q101 qualification and maintain full electrical equivalence to the 5SMC48A TR13. These are suitable for automotive and mission-critical applications.

Q: What is the packaging difference between tape and reel (TR) and other packaging options?

A: Tape and reel (TR) packaging is standard for automated assembly processes and high-volume production. The 5SMC48A TR13 specifies TR packaging. All listed substitutes are available in TR or equivalent surface-mount packaging suitable for pick-and-place assembly.

Q: Which substitute offers the best inventory availability?

A: The SMC5K48A-M3/H (Vishay) offers the highest inventory at 4211 units, followed by 5.0SMDJ48A (Taiwan Semiconductor) at 3052 units. Both maintain full electrical equivalence and active product status.

Q: Can I use parts with different operating temperature ranges interchangeably?

A: Operating temperature range differences do not affect electrical equivalence for room-temperature operation. However, if your application operates at temperature extremes (below -55°C or above 150°C), verify that the substitute part's temperature range covers your requirements. The 5.0SMDJ48A and 5.0SMLJ48A-TP extend to -55 to 175°C, providing additional margin.

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