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P6KE22A Alternative / Equivalent / Replacement
YINT Electronics — 600W Unidirectional TVS Diode, 18.80V Stand-off, DO-15
Target Keywords: P6KE22A alternative, P6KE22A equivalent, P6KE22A replacement, P6KE22A substitute, P6KE22A cross reference
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1. Introduction
The P6KE22A is a 600W unidirectional TVS diode for protecting 22V DC power rails against transients from lightning, inductive load switching, and ESD. It handles 19.60A peak pulse current and clamps at 30.60V maximum.
The P6KE22A is a JEDEC-registered industry standard part cross-compatible with Littelfuse, Vishay, ON Semi, Diodes Inc, STMicroelectronics, Bourns, and Taiwan Semiconductor. YINT Electronics manufactures it as a drop-in replacement in the DO-15 through-hole package with < 1ns response time.
2. Product Overview
The P6KE series covers breakdown voltages from 6.8V to 440V in the DO-15 package. Each device delivers 600W peak pulse power, suitable for applications from low-voltage logic to high-voltage industrial power systems.
The P6KE22A protects 22V DC rails in automotive, industrial, telecom, and consumer applications. Its 18.80V stand-off voltage lets it sit across the supply line without conducting (5.0µA max leakage at 25°C). It responds in under 1ns when a transient exceeds the breakdown threshold.
YINT produces the full P6KE series from P6KE6.8A through P6KE440A. This enables customers to source all DO-15 TVS needs from one manufacturer with consistent quality and supply.
3. Key Features
- Peak Pulse Power: 600W — 10/1000µs waveform
- Stand-off Voltage: 18.80V — For 22V DC power rail protection
- Breakdown Range: 20.90V ~ 23.10V — Tight tolerance
- Clamping Voltage: 30.60V max @ 19.60A — Minimizes component stress
- Reverse Leakage: 5.0µA max — Low standby loss
- Response Time: < 1ns — Instant transient protection
- Surge Current: 19.60A — 10/1000µs waveform
- Temp Range: -55°C to +150°C — Industrial grade
- DO-15 Package — Industry-standard through-hole
- RoHS Compliant — Lead-free
4. Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power (10/1000µs) | PPK | 600 | W |
| Stand-off Voltage | Vrwm | 18.80 | V |
| Breakdown Voltage (Min) | Vbr[min] | 20.90 | V |
| Breakdown Voltage (Max) | Vbr[max] | 23.10 | V |
| Test Current | iT | 1 | mA |
| Peak Pulse Current (10/1000µs) | Ipp | 19.60 | A |
| Max Clamping Voltage @ Ipp | Vc | 30.60 | V |
| Reverse Leakage @ Vrwm | IR | 5.0 | µA |
| Operating Junction Temp | Tj | -55 ~ +150 | °C |
| Polarity | — | Unidirectional | — |
| Package | — | DO-15 (DO-204AC) | — |
5. Cross Reference
| Manufacturer | Original Part | YINT Replacement | Notes |
|---|---|---|---|
| YINT Electronics | P6KE22A | P6KE22A | Direct source |
| Littelfuse | P6KE22A | P6KE22A | Drop-in replacement |
| Vishay | P6KE22A | P6KE22A | Drop-in replacement |
| ON Semiconductor | P6KE22A | P6KE22A | Drop-in replacement |
| Diodes Incorporated | P6KE22A | P6KE22A | Drop-in replacement |
| STMicroelectronics | P6KE22A | P6KE22A | Drop-in replacement |
| Bourns | P6KE22A | P6KE22A | Drop-in replacement |
| Taiwan Semiconductor | P6KE22A | P6KE22A | Drop-in replacement |
6. Comparison with Similar Models
| Model | Vrwm (V) | Vbr (V) | PPK (W) | Ipp (A) | Vc (V) | Package | Key Difference |
|---|---|---|---|---|---|---|---|
| P6KE22A | 18.80 | 20.90-23.10 | 600 | 19.60 | 30.60 | DO-15 | Baseline — 22V DC rail |
| P6KE18A | 15.30 | 17.10-18.90 | 600 | 23.80 | 25.20 | DO-15 | Lower stand-off voltage |
| P6KE24A | 20.50 | 22.80-25.20 | 600 | 18.10 | 33.20 | DO-15 | Higher voltage variant |
The P6KE22A offers the right protection level for 22V DC rail circuits. For lower or higher voltages, the P6KE18A and P6KE24A provide nearby options in the same DO-15 package.
7. Applications
- 22V DC power rail surge protection in industrial control systems
- Automotive electronics — 12V and 24V battery line transient suppression
- Switching power supply output and intermediate bus protection
- Telecom and networking equipment DC power input protection
- Lightning surge protection per IEC 61000-4-5
- Motor drive and relay inductive load switching protection
- Solar inverter and battery charger DC bus protection
- HVAC and building automation system power rail clamping
8. Why Choose YINT
- 19+ years of manufacturing expertise with 5 R&D and manufacturing bases since 2006
- 40+ patents and certifications; rigorous testing per JEDEC and MIL-STD standards
- Full P6KE series from P6KE6.8A through P6KE440A for one-stop sourcing
- Direct OEM replacement — pin-to-pin compatible with P6KE22A from all major brands
- In-house engineering support for cross-reference and design review
- Free samples available for testing and qualification
- Factory-direct pricing with volume discounts
9. Ordering Information
| Part Number | Package | Packaging | Quantity |
|---|---|---|---|
| P6KE22A | DO-15 | Tape & Box | 2,000 pcs/box |
| P6KE22A (Bulk) | DO-15 | Bulk | On request |
10. FAQ
Q1: Is YINT P6KE22A a direct replacement for Littelfuse / Vishay / ON Semi P6KE22A?
A: Yes. The YINT P6KE22A has identical electrical specs and DO-15 package dimensions. It is a drop-in replacement for P6KE22A from all major manufacturers.
Q2: What is the difference between P6KE22A and P6KE22AC?
A: P6KE22A is unidirectional (for DC circuits). P6KE22ACA is bidirectional (for AC circuits). Use P6KE22A for DC rail protection.
Q3: What is the peak pulse power rating?
A: 600W for a 10/1000µs waveform at 25°C. Derate linearly above 25°C.
Q4: What is the stand-off voltage?
A: 18.80V. The device does not conduct below this voltage, with leakage of 5.0µA max.
Q5: What package is available?
A: DO-15 (DO-204AC) through-hole. For SMD alternatives, consider SMAJ or SMBJ series equivalents.
Q6: What is the response time?
A: Less than 1 nanosecond, providing instant protection against ESD and fast transients.
11. Conclusion
YINT Electronics' P6KE22A TVS diode is a reliable, high-performance replacement for industry-standard P6KE22A from Littelfuse, Vishay, ON Semi, and other major brands. Offering 600W peak pulse power, 20.90-23.10V breakdown range, and 30.60V clamping voltage, it provides robust transient protection for 22V-level DC power systems.
For datasheets, samples, or technical inquiries, contact YINT Electronics at global@yint.com.cn.
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