My Inquiry
My Account
Vishay General Semiconductor - Diodes Division 1.5KE13CA-E3/51
- Part No.:
- 1.5KE13CA-E3/51
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE13CA-E3/51.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:6,443
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
1.5KE13CA-E3/51 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in signal and power lines. It features a 13 V nominal breakdown voltage (VBR = 12.4–13.7 V at 1.0 mA), 1500 W peak pulse power (10/1000 µs), and clamps to ≤18.2 V at 82.4 A peak pulse current - used in automotive sensor interfaces, industrial I/O protection, and telecom line surge suppression.
For engineers reviewing the 1.5KE13CA-E3/51 datasheet, 1.5KE13CA-E3/51 pinout, 1.5KE13CA-E3/51 application, or 1.5KE13CA-E3/51 equivalent, this page delivers verified electrical parameters, bidirectional clamping behavior, JEDEC 1.5KE package details, thermal derating curves, and real-world ESD/lightning transient protection use cases - all confirmed from Vishay Document #88301 (Rev. 09-Aug-2022).
Technical Context
This device operates as a silicon avalanche diode with glass-passivated junction, delivering symmetrical clamping in both polarities due to its bidirectional construction. It exhibits sub-nanosecond response time (<1 ns), low incremental surge resistance, and stable clamping under repetitive 10/1000 µs transients at 0.01% duty cycle.
Designed for unclamped inductive switching and lightning-induced surges, it maintains VWM = 11.1 V (max reverse standoff), ID ≤ 5.0 µA at VWM, and TJ range of –55 °C to +175 °C. Its thermal resistance RθJA = 75 °C/W and RθJL = 15.4 °C/W support lead-mounted PCB designs without heatsinking for short-duration events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V at 1.0 mA - defines precise avalanche initiation threshold for reliable triggering |
| VWM | 11.1 V max - ensures no conduction during normal operation up to rated working voltage |
| IPPM | 82.4 A (10/1000 µs) - quantifies maximum transient current the device safely shunts |
| VC @ IPPM | ≤18.2 V - clamping voltage under full-rated surge, limiting downstream component stress |
| PPPM | 1500 W - peak pulse power handling capacity for standardized lightning/surge waveforms |
| TJ Range | –55 °C to +175 °C - enables deployment in under-hood automotive and industrial environments |
| Package | JEDEC 1.5KE case - axial-leaded, epoxy-molded, UL 94 V-0 compliant housing for high-reliability mounting |
Pinout & Package
1.5KE13CA-E3/51 uses a two-terminal axial-leaded package (Case Style 1.5KE) with no polarity marking - consistent with bidirectional TVS construction. Leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102, and qualified for solder dip at 275 °C for 10 s.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (unmarked) | Bidirectional avalanche junction | Both terminals function identically - no cathode band; symmetric clamping in either direction |
| Lead 1 / Lead 2 | Current path for surge diversion | Leads serve as low-inductance conduction paths to ground or rail; no internal asymmetry |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable, repeatable avalanche characteristics and long-term reliability under surge stress |
| 1500 W peak pulse power (10/1000 µs) | Supports IEC 61000-4-5 Level 4 (4 kV) surge immunity when properly routed and grounded |
| Sub-nanosecond response time | Clamps transients before sensitive ICs (e.g., CAN transceivers, ADC inputs) experience overvoltage damage |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., EFT bursts, relay bounce) |
| RoHS-compliant, commercial-grade (E3 suffix) | Meets JESD 201 Class 1A whisker resistance and UL 94 V-0 flammability for safety-critical layouts |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus sensors and analog temperature/pressure inputs from load dump and inductive switching spikes in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and chassis ground, absorbing ±1 kV/500 A transients. Use Value: Prevents latch-up or gate oxide rupture in microcontroller GPIOs and op-amp front-ends while maintaining signal integrity below 11.1 V. |
Use Scenario: Shielding 24 V digital input modules from field-wiring induced surges in factory automation cabinets. IC Role / Device Role / Timing Role: Primary overvoltage clamp on dry-contact inputs, coordinated with series impedance and optocoupler isolation. Use Value: Enables compliance with IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge) without adding active circuitry or PCB area. |
| Telecom Line Interface | Consumer Power Adapter Input |
Use Scenario: Safeguarding RS-485 transceivers and Ethernet PHYs against lightning-induced common-mode surges on outdoor cabling. IC Role / Device Role / Timing Role: Differential-mode TVS pair (e.g., across A/B lines) plus common-mode suppression via chassis-ground tie. Use Value: Limits clamping voltage to <18.2 V during 10/1000 µs surges, preserving transceiver differential swing and avoiding false data corruption. |
Use Scenario: Secondary-side transient suppression on 5 V/12 V DC outputs of wall adapters exposed to mains-borne noise and plug-in surges. IC Role / Device Role / Timing Role: Final-stage clamp before LDO or USB port, placed after bulk capacitance and ferrite bead filtering. Use Value: Absorbs residual 1500 W pulses that bypass primary-side MOVs, preventing output rail collapse and downstream device brownouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA | Smaller SMB package (3.5 mm × 4.6 mm), lower PPPM = 600 W, same VBR range and bidirectional symmetry | Preferred for space-constrained PCBs where 1500 W rating is not required; higher thermal resistance (RθJA ≈ 110 °C/W) | Select SMBJ13CA when board area is limited and surge threat level is ≤IEC 61000-4-5 Level 2 (2 kV) |
| 1.5SMC13CA | Same 1500 W rating and VBR, but SMC package (7.1 mm × 6.2 mm); slightly higher VC = 21.5 V at IPPM | Better thermal performance than 1.5KE (RθJL ≈ 12.5 °C/W); suited for higher ambient temperatures or repeated surge events | Choose 1.5SMC13CA when operating ambient exceeds 85 °C or surge repetition rate exceeds 0.01% duty cycle |
Compared with 1.5KE13CA-E3/51, SMBJ13CA trades peak power and thermal robustness for compactness, while 1.5SMC13CA offers superior thermal management at the cost of larger footprint - both retain identical clamping behavior and bidirectional functionality but differ in mechanical integration and sustained surge capability.
Availability
1.5KE13CA-E3/51 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O protection, and telecom line interface circuits requiring stable component supply, RoHS compliance, and proven surge immunity.
Supply support for 1.5KE13CA-E3/51 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 ruggedized design.
The 1.5KE family was engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where failure modes must be mitigated without active control or complex layout.
FAQ
What is the breakdown voltage tolerance for 1.5KE13CA-E3/51?
The 1.5KE13CA-E3/51 has a guaranteed breakdown voltage range of 12.4 V to 13.7 V at 1.0 mA test current, per Vishay Document #88301. This ±5.4% tolerance ensures predictable clamping onset across production lots and temperature extremes from –55 °C to +175 °C. The device remains fully bidirectional within this window, with identical VBR in both directions.
Does 1.5KE13CA-E3/51 require a heatsink for standard operation?
No, 1.5KE13CA-E3/51 does not require a heatsink for single-event surge suppression. Its 1500 W rating applies to non-repetitive 10/1000 µs pulses at 0.01% duty cycle. Continuous power dissipation is limited to 6.5 W at TL = 75 °C, and thermal resistance (RθJL = 15.4 °C/W) allows safe operation with standard PCB copper pours. Heatsinking is unnecessary unless subjected to frequent surges above derated limits.
How does the clamping voltage of 1.5KE13CA-E3/51 compare to its breakdown voltage?
At its rated peak pulse current of 82.4 A (10/1000 µs), the 1.5KE13CA-E3/51 clamps to ≤18.2 V - a 33–47% increase above its VBR window (12.4–13.7 V). This incremental clamping voltage (ΔVC ≈ 4.5–5.8 V) reflects low dynamic resistance and confirms effective energy diversion without excessive overshoot, critical for protecting 15 V-tolerant ICs.
Is 1.5KE13CA-E3/51 AEC-Q101 qualified?
No, 1.5KE13CA-E3/51 is not AEC-Q101 qualified. Per Vishay Document #88301, AEC-Q101 qualification applies only to parts with HE3 suffix (e.g., 1.5KE13CAHE3_B), not the commercial-grade E3/51 variant. The 1.5KE13CA-E3/51 meets RoHS and JESD 201 Class 1A whisker requirements but lacks automotive qualification documentation and extended temperature life testing.
Can 1.5KE13CA-E3/51 be used in parallel for higher surge current handling?
Yes, 1.5KE13CA-E3/51 can be paralleled to increase total surge current capacity, provided layout minimizes inductance imbalance - e.g., symmetrical trace lengths, shared ground plane, and matched thermal paths. Vishay's application notes confirm parallel operation is valid for 10/1000 µs waveforms, though VC matching across units should be verified to ensure current sharing.
1.5KE13CA-E3/51 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 82.4A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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:
- 1.5KE
1.5KE13CA-E3/51 FAQ
1.How can I place an order for 1.5KE13CA-E3/51 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE13CA-E3/51 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 1.5KE13CA-E3/51 reliable?
The price and inventory of 1.5KE13CA-E3/51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE13CA-E3/51 is usually 5 days.
3.What payment methods are accepted for 1.5KE13CA-E3/51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE13CA-E3/51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE13CA-E3/51?
1.5KE13CA-E3/51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE13CA-E3/51 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 1.5KE13CA-E3/51?
For technical support, including 1.5KE13CA-E3/51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE13CA-E3/51 requirements.
6.How does Aetrix verify that 1.5KE13CA-E3/51 is sourced from the original manufacturer or authorized distributors?
All 1.5KE13CA-E3/51 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 1.5KE13CA-E3/51 meets industry standards.
7.What is the process for return or replacement of 1.5KE13CA-E3/51?
All 1.5KE13CA-E3/51 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE13CA-E3/51, 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 1.5KE13CA-E3/51 part is unused and in its original packaging.
Return procedure for 1.5KE13CA-E3/51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE13CA-E3/51 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
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
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 …
