P6KE16A-E3/54 Vishay TVS Diode (Uni-directional) (Diodes, Axial Diameter Horizontal Mounting) In Stock
Vishay P6KE16A-E3/54 is a unidirectional 600 W peak-pulse TVS diode with a 16 V standoff voltage, 22.5 V maximum clamping voltage, and axial through-hole package for transient overvoltage protection on signal and power lines.
- Manufacturer
- Vishay
- Package
- Diodes, Axial Diameter Horizontal Mounting
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- P6KE16A-E3/54 Datasheet PDF
- Category
- TVS Diode (Uni-directional)
- Temp Range
- -55.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 600 W peak-pulse power dissipation with 16 V nominal breakdown voltage (15.2 V min / 16.8 V max) provides tight unidirectional clamping for 12 V and 15 V DC bus protection
- 22.5 V maximum clamping voltage at peak pulse current ensures downstream circuitry is protected against ESD and inductive switching transients with excellent clamping capability
- Silicon axial through-hole package (DO-15 style) enables simple hand or wave soldering and direct insertion into legacy and new PCB designs for high-reliability transient protection
Applications
P6KE16A-E3/54 protects 12 V and 15 V power rails and signal lines in industrial equipment, automotive accessories, and telecommunications gear from inductive load-dump transients, ESD events, and lightning surges. Its 600 W peak-pulse capability handles the high-energy transients that occur when inductive loads such as relays, solenoids, and DC motors are switched off in 12 V DC systems. The axial package is also widely used as a clamping diode across DC bus lines in motor drives, power distribution units, and reverse-polarity protection circuits.
Specifications
| Factory Lead Time | 7Weeks |
| YTEOL | 6.16 |
| Additional Feature | EXCELLENT CLAMPING CAPABILITY |
| Breakdown Voltage-Max | 16.8V |
| Breakdown Voltage-Min | 15.2V |
| Breakdown Voltage-Nom | 16V |
| Case Connection | ISOLATED |
| Clamping Voltage-Max | 22.5V |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | DO-204AC |
| JESD-30 Code | O-PALF-W2 |
| JESD-609 Code | e3 |
| Non-rep Peak Rev Power Dis-Max | 600W |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | ROUND |
| Package Style | LONG FORM |
| Polarity | UNIDIRECTIONAL |
| Power Dissipation-Max | 5W |
| Qualification Status | Not Qualified |
| Reference Standard | UL RECOGNIZED |
| Rep Pk Reverse Voltage-Max | 13.6V |
| Surface Mount | NO |
| Technology | AVALANCHE |
| Terminal Finish | MATTE TIN |
| Terminal Form | WIRE |
| Terminal Position | AXIAL |
| Package | Diodes, Axial Diameter Horizontal Mounting |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the standoff and clamping voltage of P6KE16A-E3/54 and which bus voltages does it protect?
P6KE16A-E3/54 has a 16 V nominal breakdown voltage (15.2 V min, 16.8 V max) and clamps transients to a maximum of 22.5 V under peak pulse current. This makes it ideal for protecting 12 V DC automotive and industrial power buses where transient spikes must be held below 22.5 V to prevent damage to downstream ICs and FETs.
How much peak-pulse power can P6KE16A-E3/54 absorb during a transient event?
P6KE16A-E3/54 is rated for 600 W peak-pulse power dissipation based on a 10/1000 µs test waveform per IEC 61000-4-5. This is sufficient to absorb the energy from inductive load-dump transients generated when a 12 V DC relay or solenoid coil is de-energized, protecting downstream gate drivers and analog front-end circuits from destruction.
Why choose a unidirectional TVS like P6KE16A-E3/54 over a bidirectional version for a 12 V DC supply rail?
On a DC power rail such as 12 V, only positive-polarity overvoltage transients are present in normal operation. A unidirectional TVS like P6KE16A-E3/54 conducts heavily in one direction to clamp positive spikes to 22.5 V while blocking in the reverse direction, allowing the rail to sit at 12 V to 16 V without forward-biasing the device. A bidirectional version would clamp both polarities but adds unnecessary capacitance on DC signal lines.
What package does P6KE16A-E3/54 use and how does it mount on a PCB?
P6KE16A-E3/54 is supplied in an axial DO-15 style through-hole package with horizontal PCB mounting. Axial leads allow the device to be laid flat between two mounting holes on a standard 5 mm to 10 mm pitch, enabling hand soldering, wave soldering, and automated insertion on through-hole PCBs used in industrial control and power conversion designs.
How does P6KE16A-E3/54 compare to a lower-voltage P6KE12A when protecting a 12 V bus?
P6KE12A has a 12 V nominal breakdown and clamps at approximately 16.7 V, which risks occasional nuisance triggering on a 12 V bus that routinely reaches 13.8 V during battery charging. P6KE16A-E3/54 with its 15.2 V minimum breakdown stays off during normal 12 V to 14 V operation and only activates above 15.2 V, avoiding unnecessary clamping while still protecting against transients above 22.5 V in the same 600 W peak-pulse envelope.
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