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15KPA75CA
Littelfuse Inc.
TVS DIODE 75VWM 122VC P600
2253 Pcs New Original In Stock
122V Clamp 123.8A Ipp Tvs Diode Through Hole P600
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Minimum 1
5.0 / 5.0
- (160 Ratings)
15KPA75CA
Product Overview
7083260
DiGi Electronics Part Number
15KPA75CA-DGManufacturer
Littelfuse Inc.
15KPA75CA
Description
TVS DIODE 75VWM 122VC P600Inventory
2253 Pcs New Original In Stock
122V Clamp 123.8A Ipp Tvs Diode Through Hole P600
Quantity
Minimum 1
Minimum 1
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15KPA75CA Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Cut Tape (CT)
Series
15KPA
Product Status
Active
Type
Zener
Bidirectional Channels
1
Voltage - Reverse Standoff (Typ)
75V
Voltage - Breakdown (Min)
83.8V
Voltage - Clamping (Max) @ Ipp
122V
Current - Peak Pulse (10/1000µs)
123.8A
Power - Peak Pulse
15000W (15kW)
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Mounting Type
Through Hole
Package / Case
P600, Axial
Supplier Device Package
P600
Base Product Number
15KPA
Datasheet & Documents
HTML Datasheet
15KPA75CA-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
-15KPA75CA
15KPA75CACT
15KPA75CA-DG
Standard Package
800
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Das Team bei DiGi Electronics ist professionell und sehr freundlich, was ich sehr schätze.
de desembre 02, 2025
Shipments from DiGi Electronics arrive exactly when promised, saving me time.
de desembre 02, 2025
The company’s focus on quality consistency really sets them apart in the market.
de desembre 02, 2025
Whenever I have questions post-purchase, their team responds rapidly and professionally.
de desembre 02, 2025
The craftsmanship and rapid delivery really impressed me.
de desembre 02, 2025
They always prioritize timely shipments, which is crucial for my fast-paced repair environment.
de desembre 02, 2025
DiGi Electronics offers products and support that help bring my DIY visions to life.
de desembre 02, 2025
DiGi Electronics' products are built to last, and their quick delivery means I can upgrade my setup without delays.
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Frequently Asked Questions (FAQ)
When designing in the 15KPA75CA, how do I ensure the clamping voltage doesn't exceed system tolerance during a high-energy transient in an industrial 48V power rail?
To protect a 48V industrial system with the 15KPA75CA, verify that the maximum clamping voltage of 122V under 123.8A peak pulse current (10/1000µs) stays below downstream component withstand limits—especially for semiconductor switches or controllers rated ≤100V. Use PCB layout techniques like short, wide traces and minimize loop area to prevent voltage overshoot during transient events. Consider adding series impedance (e.g., a small inductor or fuse) to limit peak current into the TVS, ensuring the actual Ipp stays within device capability without exceeding system voltage margins.
Can the 15KPA75CA replace a SMAJ75CA in a high-temperature motor drive application, and what are the thermal and current-handling trade-offs?
Yes, the 15KPA75CA can replace a SMAJ75CA in high-power situations where surge robustness is critical, but note key differences: the 15KPA75CA uses a P600 through-hole package with superior heat dissipation and handles up to 123.8A Ipp (15kW peak), versus SMAJ75CA’s 38.9A in a surface-mount SMA package. However, the larger 15KPA75CA requires more board space and isn't suitable for automated SMT assembly. In high-temperature motor drives (85°C+ ambient), the 15KPA75CA’s through-hole design and higher junction temperature rating (175°C) offer better reliability than SMAJ75CA, especially under repetitive transients common in inductive switching loads.
How does the bidirectional configuration of the 15KPA75CA affect its use in AC signal line protection compared to unidirectional TVS diodes?
The 15KPA75CA’s bidirectional configuration makes it ideal for protecting AC-coupled lines or bipolar signals (e.g., motor feedback sensors or AC control lines) where voltage transients can occur in both polarities. Unlike unidirectional TVS diodes that conduct only on positive surges and can be damaged by reverse transients, the 15KPA75CA safely clamps ±122V peaks. However, ensure that the 75V reverse standoff voltage provides adequate margin above the peak AC signal (e.g., ≤53V RMS) to prevent leakage or degradation during normal operation. This avoids false tripping or accelerated aging under continuous AC stress.
What layout and mounting practices should I follow when using the 15KPA75CA in a high-vibration industrial environment to ensure long-term reliability?
In high-vibration environments, the through-hole P600 package of the 15KPA75CA offers mechanical stability over surface-mount alternatives, but proper mounting is critical. Use adequately sized plated through-holes with full barrel fill and solder fillets on both board sides to resist crack formation. Secure leads with strain relief (e.g., adhesive or grommets) if movement is expected. Avoid placing the device at board edges where flex is greatest. Additionally, derate peak pulse current by 20–30% if operating above 100°C ambient to mitigate thermal fatigue and ensure long-term reliability through repeated surge events.
How does the junction temperature rating of the 15KPA75CA impact its performance in under-the-hood automotive applications with limited airflow?
The 15KPA75CA is rated for operation up to 175°C junction temperature, making it suitable for under-the-hood automotive applications where ambient temperatures exceed 125°C. However, in enclosed, low-airflow environments, heat from nearby components (e.g., power relays or MOSFETs) can raise local temperatures beyond ratings. To mitigate risk, calculate total power dissipation during expected transient events and use thermal vias or copper pours to aid heat transfer. Monitor junction temperature via thermal simulation or testing during design validation to ensure the 15KPA75CA remains within safe limits even after repeated 15kW surge events, avoiding performance degradation or early failure.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
15KPA75CA CAD Models
Littelfuse Inc. 15KPA75CA PCB symbols & footprints
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