5KP48CE3/TR13 Equivalent & Substitute Parts

Part Overview

The 5KP48CE3/TR13 is a transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This bidirectional zener diode operates with a 48V reverse standoff voltage and delivers 5000W peak pulse power with 58.5A peak pulse current. The device is packaged in P600 axial through-hole configuration and supplied on tape and reel. The part maintains active product status and is fully RoHS3 compliant with unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching electrical performance parameters, mechanical compatibility, and operational characteristics. Substitution candidates must maintain compatible reverse standoff voltage, breakdown voltage range, clamping voltage performance, and thermal operating range to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	5KP48CE3/TR13	—
Manufacturer	Microchip Technology	—
Category	Transient Voltage Suppressors (TVS)	—
Type	Zener	—
Bidirectional Channels	1	—
Voltage - Reverse Standoff (Typ)	48	V
Voltage - Breakdown (Min)	53.3	V
Voltage - Clamping (Max) @ Ipp	85.5	V
Current - Peak Pulse (10/1000µs)	58.5	A
Power - Peak Pulse	5000	W
Operating Temperature Range	-55 to 175	°C
Mounting Type	Through Hole	—
Package / Case	P600, Axial	—
Packaging Format	Tape & Reel (TR)	—
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitute parts are classified into two functional groups based on electrical and mechanical compatibility with the 5KP48CE3/TR13:

Group 1: Direct Electrical Equivalents (P600 Package, 5kW Power Rating)

Parts in this group maintain identical or near-identical electrical characteristics and package form factor. These devices share the same 48V reverse standoff voltage, similar breakdown voltage range (53.3V to 53.6V), comparable clamping voltage performance (77.4V to 85.5V), and 5000W peak pulse power rating. All parts operate across the -55°C to 175°C temperature range. Mechanical compatibility is preserved through P600 axial through-hole packaging. This group includes 5KP48CA, 5KP48CA-B, and SA48CA variants.

Group 2: Higher Power Density Alternatives (P600 Package, Elevated Power Ratings)

Parts in this group provide enhanced transient suppression capability through increased peak pulse current handling and power dissipation. These devices maintain the 48V reverse standoff voltage and compatible breakdown voltage specifications but deliver higher peak pulse current (194.3A to 371.3A) and power ratings (15kW to 30kW). Clamping voltage performance ranges from 77.7V to 81.6V. These parts are suitable for applications requiring greater transient energy absorption. This group includes 15KPA48CA and 30KPA48CA variants.

Group 3: Lower Power Density Alternatives (DO-15 Package, Reduced Power Ratings)

Parts in this group provide basic overvoltage protection in compact DO-15 axial packaging. These devices operate at reduced peak pulse current (6.7A to 9.7A) and power ratings (500W to 600W) compared to the main part. Voltage characteristics remain compatible with the 48V protection class, though some variants operate at slightly different standoff voltages (40.2V to 48V). This group includes P6KE47CA, P6KE56CA, and SA48CA (DO-15 variant).

Key Substitution Parameters:

Reverse Standoff Voltage: 48V nominal (40.2V to 48V acceptable range)
Breakdown Voltage: 53.2V to 53.6V minimum
Bidirectional Channels: 1 (single channel)
Type: Zener diode
Mounting: Through hole axial
Temperature Range: -55°C to 175°C (or -50°C to 175°C)
RoHS3 Compliance: Required

Parameter Comparison

Parameter	5KP48CE3/TR13	5KP48CA	5KP48CA-B	15KPA48CA	30KPA48CA	P6KE47CA	P6KE56CA	SA48CA
Manufacturer	Microchip Technology	Diotec Semiconductor	Littelfuse Inc.	MDE Semiconductor Inc	MDE Semiconductor Inc	Diotec Semiconductor	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
Voltage - Reverse Standoff (Typ)	48V	48V	48V	48V	48V	40.2V	47.8V	48V
Voltage - Breakdown (Min)	53.3V	53.3V	53.3V	53.6V	53.6V	44.7V	53.2V	53.3V
Voltage - Clamping (Max) @ Ipp	85.5V	77.4V	77.4V	77.7V	81.6V	64.8V	77V	77.4V
Current - Peak Pulse (10/1000µs)	58.5A	65A	65.9A	194.3A	371.3A	9.7A	7.8A	6.7A
Power - Peak Pulse	5000W	5000W	5000W	15000W	30000W	600W	600W	500W
Operating Temperature Range	-55 to 175°C	-50 to 175°C	-55 to 175°C	-55 to 175°C	-55 to 175°C	-50 to 175°C	Not specified	-55 to 175°C
Package / Case	P600, Axial	P600, Axial	P600, Axial	P600, Axial	P600, Axial	DO-15 (DO-204AC)	DO-15 (DO-204AC)	DO-15 (DO-204AC)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Group 1: P600 Package, 5kW Rating)

The 5KP48CA (Diotec Semiconductor) and 5KP48CA-B (Littelfuse Inc.) are direct electrical equivalents suitable for one-to-one replacement of the 5KP48CE3/TR13. Both parts maintain identical 48V reverse standoff voltage, 53.3V minimum breakdown voltage, and 5000W peak pulse power rating. Peak pulse current performance is comparable (65A to 65.9A versus 58.5A). Clamping voltage is slightly lower at 77.4V compared to 85.5V, resulting in marginally improved transient suppression response. Both parts are RoHS3 compliant and operate across the full -55°C to 175°C temperature range. The 5KP48CA-B from Littelfuse offers unlimited moisture sensitivity rating matching the original part specification.

The SA48CA (Taiwan Semiconductor Corporation) in P600 packaging provides equivalent voltage protection characteristics with identical 48V standoff and 53.3V breakdown specifications. Peak pulse current is reduced to 6.7A with 500W power rating, limiting this variant to lower-energy transient applications.

Secondary Substitutes (Group 2: P600 Package, Enhanced Power Ratings)

The 15KPA48CA and 30KPA48CA (both MDE Semiconductor Inc.) provide enhanced transient suppression capability through significantly increased peak pulse current handling (194.3A and 371.3A respectively) and power dissipation (15kW and 30kW). These parts maintain the 48V reverse standoff voltage and compatible breakdown voltage specifications (53.6V minimum). Clamping voltage performance is comparable (77.7V to 81.6V). These variants are suitable for applications requiring greater transient energy absorption or where the original 5kW rating is insufficient. Both parts are RoHS3 compliant and operate across the -55°C to 175°C temperature range.

Tertiary Substitutes (Group 3: DO-15 Package, Reduced Power Ratings)

The P6KE47CA and P6KE56CA (Diotec Semiconductor and Taiwan Semiconductor Corporation respectively) operate in compact DO-15 axial packaging with reduced power ratings (600W). These parts are suitable only for low-energy transient protection applications. The P6KE47CA operates at 40.2V standoff voltage with 44.7V minimum breakdown, representing a lower protection threshold. The P6KE56CA maintains 47.8V standoff voltage with 53.2V minimum breakdown, providing closer alignment to the 48V protection class. Both parts are RoHS3 compliant.

Compliance and Certification Basis

All substitute parts maintain active product status and RoHS3 compliance, meeting regulatory requirements for electronic component applications. REACH compliance information is available for all variants. ECCN classification (EAR99) and HTSUS codes are consistent across all parts, confirming equivalent regulatory treatment.

Frequently Asked Questions (FAQ)

Q: Can the 5KP48CA directly replace the 5KP48CE3/TR13 in existing circuit designs?

A: Yes. The 5KP48CA maintains identical electrical specifications including 48V reverse standoff voltage, 53.3V minimum breakdown voltage, and 5000W peak pulse power rating. Both parts use P600 axial through-hole packaging. Peak pulse current performance is comparable (65A versus 58.5A). The primary difference is manufacturer (Diotec Semiconductor versus Microchip Technology). Both parts are RoHS3 compliant and operate across compatible temperature ranges.

Q: What is the functional difference between Group 1 and Group 2 substitute parts?

A: Group 1 parts (5KP48CA, 5KP48CA-B) maintain the original 5000W peak pulse power rating and are suitable for direct replacement in existing designs. Group 2 parts (15KPA48CA, 30KPA48CA) provide enhanced transient suppression through increased peak pulse current (194.3A to 371.3A) and power dissipation (15kW to 30kW). Group 2 parts are selected when circuit applications require greater transient energy absorption capacity or when the original 5kW rating is insufficient.

Q: Why do DO-15 package variants (P6KE47CA, P6KE56CA, SA48CA) have lower power ratings?

A: DO-15 packaging is a compact axial form factor with reduced thermal dissipation capability compared to P600 packaging. This physical constraint limits peak pulse current handling and power dissipation to 600W to 500W. DO-15 variants are suitable only for low-energy transient protection applications. Applications requiring 5000W or higher power ratings must use P600 package variants.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance, meeting regulatory requirements for hazardous substance restrictions. This compliance status is consistent with the original 5KP48CE3/TR13 part.

Q: What is the significance of the 48V reverse standoff voltage specification?

A: The 48V reverse standoff voltage defines the maximum continuous voltage the TVS diode can withstand without conducting. This parameter determines the protection class of the device. All primary and secondary substitute parts maintain 48V standoff voltage, ensuring equivalent circuit protection performance. The P6KE47CA operates at 40.2V standoff, representing a lower protection threshold unsuitable for 48V protection applications.

Q: Can the 15KPA48CA or 30KPA48CA be used in place of the 5KP48CE3/TR13?

A: Yes, with design considerations. These parts maintain identical 48V reverse standoff voltage and compatible breakdown voltage specifications. However, they deliver significantly higher peak pulse current (194.3A to 371.3A) and power dissipation (15kW to 30kW). In circuits designed for 5kW suppression, these higher-rated parts provide enhanced margin and improved transient response. No circuit modification is required for substitution, as the higher ratings are backward compatible.

Q: What packaging format differences exist between substitute parts?

A: The 5KP48CE3/TR13 is supplied on tape and reel (TR) for automated assembly. Substitute parts are available in multiple packaging formats: tape and reel (5KP48CA, SA48CA), bulk (5KP48CA-B, 15KPA48CA, 30KPA48CA), and cut tape (P6KE56CA). Packaging format selection depends on assembly process requirements. All parts maintain identical through-hole axial mounting compatibility within their respective package families (P600 or DO-15).

Q: How do clamping voltage differences affect circuit protection?

A: Clamping voltage defines the maximum voltage across the TVS diode during transient suppression. The 5KP48CE3/TR13 clamps at 85.5V maximum. Substitute parts in Group 1 clamp at 77.4V, providing slightly improved transient response. Group 2 parts clamp at 77.7V to 81.6V. Lower clamping voltage indicates faster transient suppression and reduced overvoltage stress on protected circuits. All clamping voltages remain within acceptable ranges for 48V protection class applications.

Q: Is temperature range compatibility important for substitution?

A: Yes. The 5KP48CE3/TR13 operates across -55°C to 175°C. Most substitute parts maintain this identical range. The 5KP48CA and P6KE47CA operate across -50°C to 175°C, representing a slightly narrower low-temperature range. For applications requiring full -55°C operation, the 5KP48CA-B, 15KPA48CA, 30KPA48CA, P6KE56CA, and SA48CA are preferred selections.

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