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P6KE170A-E3/54
Vishay General Semiconductor - Diodes Division
TVS DIODE 145VWM 234VC DO204AC
2490 Pcs New Original In Stock
234V Clamp 2.6A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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5.0 / 5.0
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P6KE170A-E3/54
Product Overview
953175
DiGi Electronics Part Number
P6KE170A-E3/54-DGManufacturer
Vishay General Semiconductor - Diodes Division
P6KE170A-E3/54
Description
TVS DIODE 145VWM 234VC DO204ACInventory
2490 Pcs New Original In Stock
234V Clamp 2.6A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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Quantity
Minimum 1
Minimum 1
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P6KE170A-E3/54 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Cut Tape (CT)
Series
TransZorb®
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
145V
Voltage - Breakdown (Min)
162V
Voltage - Clamping (Max) @ Ipp
234V
Current - Peak Pulse (10/1000µs)
2.6A
Power - Peak Pulse
600W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Mounting Type
Through Hole
Package / Case
DO-204AC, DO-15, Axial
Supplier Device Package
DO-204AC (DO-15)
Base Product Number
P6KE170
Datasheet & Documents
HTML Datasheet
P6KE170A-E3/54-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
P6KE170A-E3/54-DG
P6KE170A-E3/54GIDKR-DG
P6KE170A-E3/54GITR
P6KE170A-E3/54GIDKR
P6KE170A-E3/54GICT
Standard Package
4,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Die einfache und schnelle Bestellabwicklung auf der Website spart mir viel Zeit.
de desembre 02, 2025
Speedy shipping and quick, helpful responses from support made everything smooth.
de desembre 02, 2025
DiGi Electronics' after-sales service is seamless and very effective.
de desembre 02, 2025
I appreciate the high standards DiGi Electronics maintains in their manufacturing process.
de desembre 02, 2025
The combination of excellent customer service and perfect packaging makes them my preferred supplier.
de desembre 02, 2025
We appreciate their proactive approach to customer satisfaction.
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Frequently Asked Questions (FAQ)
Can the P6KE170A-E3/54 be used to replace a P6KE180A in a 120V AC input protection circuit without compromising clamping performance?
While both the P6KE170A-E3/54 and P6KE180A are 600W unidirectional TVS diodes in DO-204AC packages, substituting the P6KE170A-E3/54 for a P6KE180A reduces the reverse standoff voltage from 162V to 145V (typ), which may bring it closer to the normal operating voltage in a 120V AC system (peak ~170V). This increases the risk of nuisance conduction during voltage surges or line fluctuations. Although the P6KE170A-E3/54 clamps at 234V @ 2.6A—similar to the P6KE180A’s 255V—its lower standoff voltage makes it less suitable for direct replacement in high-line or unstable AC environments. For reliable design-in, ensure system transients stay well below 145V or consider a higher-voltage variant like the P6KE200A to maintain safety margin.
What are the risks of using the P6KE170A-E3/54 in a 48V industrial DC bus application with frequent inductive load switching?
The P6KE170A-E3/54 has a 145V reverse standoff voltage, making it over-specified for a 48V DC bus, but this isn't inherently problematic—however, the key risk lies in its relatively slow response compared to modern low-capacitance TVS arrays or multilayer varistors optimized for fast transients. Inductive switching generates high dV/dt spikes that may exceed the diode’s ability to clamp before downstream circuitry is stressed. Additionally, repeated pulse events near the 2.6A Ipp limit can cause thermal accumulation due to the axial lead package’s limited heat dissipation. For robust protection, pair the P6KE170A-E3/54 with a series ferrite bead or use a lower-voltage, faster-response TVS like the SMAJ58A in SMA package for better transient energy management.
Is the P6KE170A-E3/54 suitable for protecting RS-485 communication lines in outdoor environments with lightning-induced surges?
The P6KE170A-E3/54 is not ideal for RS-485 line protection despite its 600W peak power rating. RS-485 operates at ±5V to ±12V differential, and the P6KE170A-E3/54’s 145V standoff voltage is far too high—it won’t begin conducting until surge voltages exceed ~162V, leaving sensitive transceiver ICs exposed to damaging intermediate transients. Moreover, its axial through-hole package introduces higher parasitic inductance than surface-mount alternatives, reducing effectiveness against fast ESD or lightning surges. Instead, use low-capacitance, low-voltage TVS arrays like the SM712-01ETG (6.5V standoff) or PESD5V0S1BA for proper clamping. Reserve the P6KE170A-E3/54 for bulk power rail protection where its voltage range is appropriate.
How does the thermal performance of the P6KE170A-E3/54 compare to the SMD-based P6SMB170A in high-repetition-rate surge conditions?
The P6KE170A-E3/54, in its DO-204AC axial package, has inferior thermal performance compared to the P6SMB170A in SMB surface-mount package under repetitive surge conditions. While both share the same 600W peak pulse power rating (10/1000µs), the P6SMB170A benefits from direct PCB copper heat sinking, enabling better dissipation of accumulated heat during frequent transients. The P6KE170A-E3/54 relies on lead conduction and convection, which limits its ability to handle high-repetition surges without junction temperature buildup—especially near its 175°C Tj(max). In applications like solar inverters or motor drives with recurring voltage spikes, prefer the P6SMB170A or add a heatsink to the P6KE170A-E3/54; otherwise, derate its usage to <50% of Ipp for mission-critical designs.
Can I parallel two P6KE170A-E3/54 diodes to increase current handling in a 240V AC mains protection circuit?
Paralleling two P6KE170A-E3/54 diodes is not recommended due to inherent manufacturing tolerances in breakdown voltage (±5% typical), which cause unequal current sharing during transient events. Even minor V-I curve mismatches can lead to one diode conducting most of the 2.6A pulse, exceeding its safe operating area and leading to premature failure. Additionally, the axial package layout complicates symmetrical PCB routing, increasing parasitic inductance imbalance. For higher surge current requirements in 240V AC applications, select a single higher-power device like the 1.5KE200A (1500W, 171V standoff) or use a dedicated AC line protector module. If space constraints force through-hole use, the P6KE170A-E3/54 should be used singly with adequate voltage derating and followed by a fuse for fault containment.
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P6KE170A-E3/54 CAD Models
Vishay General Semiconductor - Diodes Division P6KE170A-E3/54 PCB symbols & footprints
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