My Inquiry
My Account
Vishay General Semiconductor - Diodes Division 5KP48A-E3/54
- Part No.:
- 5KP48A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- P600, Axial
- Datasheet:
-
5KP48A-E3/54.pdf
- Description:
- TVS DIODE 48VWM 77.4VC P600
- Quantity:
- Payment:
- Shipping:
Inventory:615
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
5KP48A-E3/54 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in P600 package, designed for high-energy surge protection on power rails and signal lines. It features 48 V stand-off voltage (VWM), 53.3–58.9 V breakdown voltage (VBR) at 5 mA, 77.4 V clamping voltage (VC) at 64.6 A peak pulse current, and 5000 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive power supplies and industrial sensor interfaces.
For engineers reviewing the 5KP48A-E3/54 datasheet, 5KP48A-E3/54 pinout, 5KP48A-E3/54 application, or 5KP48A-E3/54 equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, P600 mechanical dimensions, clamping performance under surge conditions, and direct alternatives for overvoltage protection design validation.
Technical Context
The 5KP48A-E3/54 operates as a unidirectional avalanche diode with glass-passivated P600 junction, optimized for non-repetitive transient suppression. Its 77.4 V clamping voltage at 64.6 A ensures robust overvoltage limiting during lightning-induced surges or inductive switching events.
It supports 5000 W peak pulse power (10/1000 µs), 8.0 W steady-state power dissipation on infinite heatsink at TL = 75 °C, and withstands 500 A forward surge current (8.3 ms half-sine). Junction temperature range is –55 °C to +175 °C, with AEC-Q101 qualification confirming automotive-grade reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 48.0 V - maximum reverse working voltage before clamping begins; defines safe operating DC or AC RMS voltage limit. |
| VBR min/max | 53.3 V / 58.9 V at 5 mA - guaranteed avalanche initiation range; ensures predictable turn-on across production lots. |
| VC @ IPPM | 77.4 V at 64.6 A - clamped voltage during 10/1000 µs surge; determines protected circuit's maximum transient exposure. |
| PPPM | 5000 W - peak pulse power handling capability; enables protection against IEC 61000-4-5 Level 4 surges. |
| IFSM | 500 A - 8.3 ms single half-sine surge current rating; supports fuse/breaker coordination without device failure. |
| TJ max | +175 °C - maximum junction temperature; allows operation in under-hood automotive environments and high-ambient industrial settings. |
| Polarity | Unidirectional - cathode marked by color band; used where reverse-biased blocking of negative transients is required. |
Pinout & Package
Package: P600 molded epoxy case with matte tin-plated leads; meets UL 94 V-0 flammability rating and J-STD-002 solderability. Cathode denoted by color band on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction | Connected to lower-potential side (e.g., ground or return path) in unidirectional TVS configuration. |
| Cathode | Current exit point during forward conduction; clamping node during reverse surge | Connected to protected line (e.g., 48 V rail); absorbs energy when voltage exceeds VWM in reverse bias. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and chassis applications per stress test requirements including HTGB, HTRB, and TCT. |
| 5000 W peak pulse power (10/1000 µs) | Enables single-device protection against severe transients such as ISO 7637-2 Pulse 5a (load dump) up to 120 V. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns rise time), improving clamping fidelity. |
| Glass-passivated P600 junction | Provides stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| RoHS-compliant E3 suffix | Meets JESD 201 Class 1A whisker resistance; suitable for lead-free reflow and high-reliability industrial assembly. |
Applications
| Automotive Power Supply Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 48 V battery-fed ECUs from load dump transients in commercial vehicle electronics. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between 48 V rail and ground to shunt surge energy before downstream regulators fail. Use Value: Withstands 5000 W pulses and clamps at 77.4 V, preventing damage to 60 V-rated DC/DC converters and CAN transceivers. |
Use Scenario: Safeguarding analog input channels of PLC I/O modules connected to field sensors in factory automation. IC Role / Device Role / Timing Role: Standoff protection element on 24 V sensor supply line, triggered only during >48 V transients. Use Value: 48 V VWM aligns with 24 V nominal + safety margin; 77.4 V VC ensures ADC front-end remains below absolute maximum ratings. |
| Telecom DC Power Feeds | Renewable Energy Inverter DC Link |
Use Scenario: Surge suppression on -48 V telecom rectifier outputs exposed to lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Cathode-to-rail configuration absorbing positive transients relative to system ground. Use Value: AEC-Q101 qualification confirms robustness under repeated thermal stress typical in outdoor telecom cabinets. |
Use Scenario: Overvoltage clamping on photovoltaic string inputs of solar inverters during rapid irradiance changes or grid faults. IC Role / Device Role / Timing Role: Parallel-connected TVS on DC bus to limit voltage spikes before IGBT gate drivers are stressed. Use Value: 175 °C max junction temperature supports operation near heat-generating power stages without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ48A-E3/52 | Lower PPPM (600 W), SMC package, 70 V VC at 10.3 A; smaller footprint but limited to lower-energy transients. | Best suited for PCB space-constrained consumer electronics, not automotive load dump or industrial 48 V systems. | Select SMBJ48A-E3/52 only when peak surge energy is ≤100 mJ and board layout prohibits P600 size. |
| 5KP48CA-E3/54 | Same VWM/VBR/VC specs but bidirectional; adds symmetric clamping for AC-coupled or floating-line protection. | Required where both positive and negative transients occur (e.g., RS-485 data lines), unlike unidirectional 5KP48A-E3/54. | Choose 5KP48CA-E3/54 if protecting differential or AC signals; otherwise, 5KP48A-E3/54 offers lower capacitance and cost for DC rail use. |
Compared with SMBJ48A-E3/52 and 5KP48CA-E3/54, the 5KP48A-E3/54 uniquely balances 5000 W surge capacity, automotive qualification, and unidirectional efficiency for 48 V DC power rail protection - making it optimal where high-energy, polarity-specific clamping is required without bidirectional overhead.
Availability
5KP48A-E3/54 is available at Aetrix Electronics and suitable for automotive power supply protection, industrial sensor interface hardening, and telecom DC feed stabilization requiring stable component supply and full traceability.
Supply support for 5KP48A-E3/54 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade qualification.
The 5KP series was engineered specifically for high-power transient suppression in harsh-environment DC power systems, targeting automotive, industrial, and telecom applications where crowbar replacement and fuse coordination are critical.
FAQ
What is the clamping voltage of the 5KP48A-E3/54 under a 10/1000 µs surge?
The 5KP48A-E3/54 clamps at 77.4 V when subjected to its rated peak pulse current of 64.6 A with a 10/1000 µs waveform. This value is measured per JEDEC standards and defines the maximum voltage seen by downstream circuitry during surge events. The 5KP48A-E3/54 maintains this clamping performance across its specified junction temperature range and is validated for repetitive surge duty cycles up to 0.01 %.
Is the 5KP48A-E3/54 qualified for automotive applications?
Yes, the 5KP48A-E3/54 is AEC-Q101 qualified, confirming compliance with stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling (TCT). This qualification applies to the HE3 variant; however, the E3/54 part shares identical die and P600 construction, and Vishay documents the entire 5KP family-including 5KP48A-E3/54-as AEC-Q101 capable per revision 16-Mar-2023 of document 88308.
What does the "E3/54" suffix indicate in 5KP48A-E3/54?
The "E3" suffix denotes RoHS-compliant, commercial-grade construction meeting JESD 201 Class 1A whisker resistance, while "/54" specifies the preferred packaging code: 13-inch paper tape and reel containing 800 units. This ordering format aligns with Vishay's standardized P600 delivery mode and ensures compatibility with automated SMT placement equipment.
How does the 5KP48A-E3/54 compare to standard Zener diodes for surge protection?
Unlike general-purpose Zener diodes, the 5KP48A-E3/54 is engineered for high-energy transient suppression: it delivers 5000 W peak pulse power (vs. typically <5 W for Zeners), exhibits faster response (<1 ns), and sustains 500 A surge current without degradation. Its glass-passivated P600 junction ensures stable VBR and low dynamic impedance - critical for reliable clamping in automotive and industrial surge scenarios where the 5KP48A-E3/54 is deployed.
Can the 5KP48A-E3/54 be used in parallel for higher surge current handling?
No - the 5KP48A-E3/54 is not recommended for parallel operation due to VBR mismatch between units, which causes current imbalance and potential thermal runaway. Vishay specifies single-device usage per line; for higher current needs, select a higher-rated part (e.g., 5KP54A-E3/54) or implement external current-sharing resistors with careful derating. The 5KP48A-E3/54 datasheet explicitly advises against paralleling without individual series impedance.
5KP48A-E3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- P600, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 48V
- Voltage - Breakdown (Min):
- 53.3V
- Voltage - Clamping (Max) @ Ipp:
- 77.4V
- Current - Peak Pulse (10/1000µs):
- 64.6A
- Power - Peak Pulse:
- 5000W (5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- P600
5KP48A-E3/54 FAQ
1.How can I place an order for 5KP48A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KP48A-E3/54 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 5KP48A-E3/54 reliable?
The price and inventory of 5KP48A-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5KP48A-E3/54 is usually 5 days.
3.What payment methods are accepted for 5KP48A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KP48A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KP48A-E3/54?
5KP48A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KP48A-E3/54 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 5KP48A-E3/54?
For technical support, including 5KP48A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KP48A-E3/54 requirements.
6.How does Aetrix verify that 5KP48A-E3/54 is sourced from the original manufacturer or authorized distributors?
All 5KP48A-E3/54 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 5KP48A-E3/54 meets industry standards.
7.What is the process for return or replacement of 5KP48A-E3/54?
All 5KP48A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 5KP48A-E3/54, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 5KP48A-E3/54 part is unused and in its original packaging.
Return procedure for 5KP48A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KP48A-E3/54 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
