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P4KE13 Equivalent & Substitute Parts
Part Overview
The P4KE13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in through-hole applications. The device features a 10.5V reverse standoff voltage, 19.11V maximum clamping voltage, and 400W peak pulse power rating in a DO-204AL (DO-41) axial package. The P4KE13 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 | P4KE13 |
| Manufacturer | Littelfuse Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 11.1V |
| Voltage - Breakdown (Min) | 11.75V |
| Voltage - Clamping (Max) @ Ipp | 19.11V |
| Current - Peak Pulse (10/1000µs) | 22.5A |
| Power - Peak Pulse | 400W |
| Operating Temperature Range | -55°C ~ 175°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | DO-204AL, DO-41, Axial |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the P4KE13 are grouped based on the following critical electrical and mechanical parameters:
Electrical Compatibility Criteria:
- Voltage - Reverse Standoff (Typ): 11.0V to 11.1V
- Voltage - Clamping (Max) @ Ipp: 18.2V to 19.11V
- Current - Peak Pulse (10/1000µs): 21.98A to 82.4A
- Power - Peak Pulse: 400W to 1500W
- Operating Temperature Range: -55°C to 175°C (minimum)
- Type: Zener, Unidirectional (1 channel)
Mechanical Compatibility Criteria:
- Mounting Type: Through Hole
- Package / Case: DO-204AL (DO-41) or DO-204AC (DO-15)
- Applications: General Purpose or Telecom
Substitutes are organized into two categories: direct package equivalents (DO-204AL/DO-41) and higher-performance alternatives (DO-204AC/DO-15 packages with increased current and power ratings).
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Package / Case | Operating Temperature | Product Status |
|---|---|---|---|---|---|---|---|---|
| P4KE13 | Littelfuse Inc. | 11.1V | 19.11V | 22.5A | 400W | DO-204AL, DO-41 | -55°C ~ 175°C | Obsolete |
| P4KE13A | Taiwan Semiconductor Corporation | 11.1V | 18.2V | 23A | 400W | DO-204AL, DO-41 | -55°C ~ 175°C | Active |
| P4KE13A-AP | Micro Commercial Co | 11.1V | 18.2V | 22.5A | 400W | DO-204AL, DO-41 | -55°C ~ 175°C | Active |
| P4KE13A-BP | Micro Commercial Co | 11.1V | 18.2V | 22.5A | 400W | DO-204AL, DO-41 | -55°C ~ 175°C | Active |
| P4KE13A-G | Comchip Technology | 11.1V | 18.2V | 21.98A | 400W | DO-204AL, DO-41 | -55°C ~ 150°C | Active |
| P4KE13A-TP | Micro Commercial Co | 11.1V | 18.2V | 22.5A | 400W | DO-204AL, DO-41 | -55°C ~ 175°C | Active |
| P6KE13A | Diotec Semiconductor | 11.1V | 18.2V | 34A | 600W | DO-204AC, DO-15 | -50°C ~ 175°C | Active |
| P6KE13A-AP | Micro Commercial Co | 11.1V | 18.2V | 33A | 600W | DO-204AC, DO-15 | -55°C ~ 175°C | Active |
| SA11A | Taiwan Semiconductor Corporation | 11V | 18.2V | 28A | 500W | DO-204AC, DO-15 | -55°C ~ 175°C | Active |
| 1N6274A-E3/54 | Vishay General Semiconductor - Diodes Division | 11.1V | 18.2V | 82.4A | 1500W | DO-201AA, DO-27 | -55°C ~ 175°C | Active |
Engineering Selection Recommendations
Direct Package Equivalents (DO-204AL/DO-41):
For applications requiring identical form factor and footprint compatibility, the following active parts provide direct substitution:
- P4KE13A (Taiwan Semiconductor Corporation): Active status, identical voltage and power specifications, 23A peak pulse current. ROHS3 compliant.
- P4KE13A-AP (Micro Commercial Co): Active status, 22.5A peak pulse current matching original specification. REACH unaffected.
- P4KE13A-BP (Micro Commercial Co): Active status, 22.5A peak pulse current. REACH unaffected.
- P4KE13A-TP (Micro Commercial Co): Active status, 22.5A peak pulse current, available in cut tape packaging. ROHS3 compliant, REACH unaffected.
- P4KE13A-G (Comchip Technology): Active status, 21.98A peak pulse current. Operating temperature range limited to -55°C ~ 150°C. ROHS3 compliant, REACH unaffected.
Higher-Performance Alternatives (DO-204AC/DO-15):
For applications where increased current handling and power dissipation are acceptable, these parts offer enhanced performance with different package geometry:
- P6KE13A (Diotec Semiconductor): Active status, 34A peak pulse current, 600W power rating. Operating temperature minimum -50°C. ROHS3 compliant.
- P6KE13A-AP (Micro Commercial Co): Active status, 33A peak pulse current, 600W power rating. Automotive grade, AEC-Q101 qualified. REACH unaffected.
- SA11A (Taiwan Semiconductor Corporation): Active status, 28A peak pulse current, 500W power rating. ROHS3 compliant, REACH unaffected.
High-Power Alternative:
- 1N6274A-E3/54 (Vishay General Semiconductor - Diodes Division): Active status, 82.4A peak pulse current, 1500W power rating. Automotive grade, AEC-Q101 qualified. Different package (DO-201AA/DO-27). REACH unaffected.
All substitute parts maintain ROHS3 compliance and are classified as active products, ensuring long-term availability and supply chain stability.
Frequently Asked Questions (FAQ)
Q: Can P4KE13A directly replace P4KE13 without PCB modification?
A: Yes. P4KE13A variants (P4KE13A, P4KE13A-AP, P4KE13A-BP, P4KE13A-TP) share identical DO-204AL (DO-41) axial package geometry and through-hole mounting specifications. No PCB layout changes are required.
Q: What is the difference between P4KE13A-AP, P4KE13A-BP, and P4KE13A-TP?
A: These are manufacturer variants from Micro Commercial Co with identical electrical specifications (11.1V standoff, 18.2V clamping, 22.5A peak pulse, 400W power). The suffix indicates packaging format: -AP (Bulk), -BP (Bulk), -TP (Cut Tape). Electrical performance is equivalent.
Q: Can I use P6KE13A or SA11A as substitutes if my PCB supports different package geometry?
A: Yes, if your PCB layout accommodates DO-204AC (DO-15) axial package geometry. These parts provide higher current ratings (33-34A) and power dissipation (500-600W) while maintaining compatible voltage specifications (11.0-11.1V standoff, 18.2V clamping). Verify PCB hole spacing and lead diameter compatibility.
Q: Is the 1N6274A-E3/54 suitable for general-purpose applications?
A: The 1N6274A-E3/54 is rated for telecom applications and carries automotive grade qualification (AEC-Q101). It provides significantly higher current (82.4A) and power (1500W) than the P4KE13. Use this part only if your application requires these enhanced specifications and accepts the DO-201AA (DO-27) package geometry.
Q: What is the operating temperature difference between P4KE13A-G and other P4KE13A variants?
A: P4KE13A-G operates from -55°C to 150°C, while other P4KE13A variants operate to 175°C. If your application requires operation above 150°C, select P4KE13A, P4KE13A-AP, P4KE13A-BP, or P4KE13A-TP instead.
Q: Are all substitute parts RoHS3 compliant?
A: Most substitute parts are ROHS3 compliant. Verify compliance documentation for specific part numbers. All listed parts are REACH unaffected or ROHS3 compliant, meeting environmental regulatory requirements.
Q: What packaging options are available for P4KE13A?
A: P4KE13A is available in Tape & Reel (TR) format from Taiwan Semiconductor Corporation. Micro Commercial Co variants offer Bulk and Cut Tape (CT) packaging options. Select packaging based on procurement volume and assembly requirements.
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