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1.5KE100CA-E3/54
Vishay General Semiconductor - Diodes Division
TVS DIODE 85.5VWM 137VC 1.5KE
3831 Pcs New Original In Stock
137V Clamp 10.9A Ipp Tvs Diode Through Hole 1.5KE
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5.0 / 5.0
- (158 Ratings)
1.5KE100CA-E3/54
Product Overview
950404
DiGi Electronics Part Number
1.5KE100CA-E3/54-DGManufacturer
Vishay General Semiconductor - Diodes Division
1.5KE100CA-E3/54
Description
TVS DIODE 85.5VWM 137VC 1.5KEInventory
3831 Pcs New Original In Stock
137V Clamp 10.9A Ipp Tvs Diode Through Hole 1.5KE
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Minimum 1
Minimum 1
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1.5KE100CA-E3/54 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Cut Tape (CT)
Series
TransZorb®
Product Status
Active
Type
Zener
Bidirectional Channels
1
Voltage - Reverse Standoff (Typ)
85.5V
Voltage - Breakdown (Min)
95V
Voltage - Clamping (Max) @ Ipp
137V
Current - Peak Pulse (10/1000µs)
10.9A
Power - Peak Pulse
1500W (1.5kW)
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Mounting Type
Through Hole
Package / Case
DO-201AA, DO-27, Axial
Supplier Device Package
1.5KE
Base Product Number
1.5KE100
Datasheet & Documents
HTML Datasheet
1.5KE100CA-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
1.5KE100CA-E3/54GITR
15KE100CAE354
1.5KE100CA-E3/54TR-DG
1.5KE100CA-E3/54GICT
112-1.5KE100CA-E3/54DKR-DG
112-1.5KE100CA-E3/54DKR
1.5KE100CA-E3/54CT
1.5KE100CA-E3/54CT-DG
1.5KE100CA-E3/54-DG
112-1.5KE100CA-E3/54DKRINACTIVE
Standard Package
1,400
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
1.5KE100CA-E3/51
Vishay General Semiconductor - Diodes Division
767
1.5KE100CA-E3/51-DG
0.1005
MFR Recommended
1.5KE100CAHE3_A/C
Vishay General Semiconductor - Diodes Division
801
1.5KE100CAHE3_A/C-DG
0.1005
Direct
1.5KE100C-E3/54
Vishay General Semiconductor - Diodes Division
1064
1.5KE100C-E3/54-DG
0.1005
Direct
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
구매 후 애프터서비스가 지속적으로 이루어져서 제품을 오래 사용할 수 있어 만족입니다.
Dec 02, 2025
Les délais de livraison de DiGi Electronics sont toujours respectés, ce qui permet de maintenir nos projets sans retard.
Dec 02, 2025
Bei DiGi Electronics stimmt einfach das Preis-Leistungs-Verhältnis. Professioneller Service inklusive.
Dec 02, 2025
Their cost-effective approach makes them a preferred partner for my tech needs.
Dec 02, 2025
Their packaging quality demonstrates professionalism and care.
Dec 02, 2025
I trust DiGi Electronics for their durable products and excellent support team.
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Frequently Asked Questions (FAQ)
Can the 1.5KE100CA-E3/54 be safely used to protect a 90V industrial control bus from inductive load transients, and what layout considerations are critical to avoid clamping failure?
Yes, the 1.5KE100CA-E3/54 is suitable for protecting a 90V bus since its 85.5V reverse standoff voltage provides adequate margin below the system operating voltage, and its 137V max clamping voltage stays well below typical semiconductor breakdown thresholds (e.g., 150V+ MOSFETs). However, to prevent localized heating and ensure effective clamping, minimize lead length and place the diode as close as possible to the protected node—ideally within 5 mm. Use a low-inductance ground return path and avoid routing high-di/dt traces near sensitive analog circuits, as residual inductance in the TVS loop can significantly increase effective clamping voltage during fast transients.
Is the 1.5KE100CA-E3/54 a drop-in replacement for the Littelfuse SA100CA in a 24V automotive relay driver circuit, and what reliability risks should I evaluate?
While both are bidirectional 100V-class TVS diodes in axial packages, the 1.5KE100CA-E3/54 has a higher peak pulse power rating (1500W vs. ~500W for SA100CA) and lower dynamic resistance, making it more robust for high-energy transients like load dump. However, verify mechanical fit—the DO-201AA package of the 1.5KE100CA-E3/54 is slightly larger than the DO-214AA of the SA100CA—and confirm that your PCB pad layout accommodates the longer body. Also, note that the 1.5KE100CA-E3/54’s higher junction capacitance (though unspecified, typical for this series) may marginally slow rise times in very high-speed signal lines, but this is negligible in relay driver applications.
How does the 1.5KE100CA-E3/54 perform under repeated IEC 61000-4-5 surge events compared to unidirectional alternatives like the 1.5KE100A, and when should I avoid using it?
The bidirectional 1.5KE100CA-E3/54 handles symmetrical surge waveforms (e.g., ±1 kV line-to-line) more effectively than unidirectional types because it clamps both polarities without requiring series diodes. However, under frequent or high-duty-cycle surges—such as those in poorly filtered AC mains environments—the symmetric structure can lead to slightly higher average power dissipation due to conduction in both half-cycles. Avoid using it in DC-only systems where a unidirectional TVS (like the 1.5KE100A) would reduce leakage and improve long-term reliability. Always derate the 1.5KE100CA-E3/54 by at least 20% for repetitive surge conditions and ensure adequate heatsinking if ambient temperatures exceed 100°C.
What are the key thermal and mounting risks when using the 1.5KE100CA-E3/54 in an enclosed industrial enclosure with limited airflow, and how can I mitigate premature failure?
The 1.5KE100CA-E3/54’s axial lead design relies heavily on conduction through PCB traces or chassis mounting for heat dissipation. In enclosed, low-airflow environments, localized hot spots can develop during or after transient events, accelerating aging even if peak junction temperature stays within the -55°C to 175°C range. To mitigate this, mount the diode with both leads soldered to wide, thermally conductive copper pours (≥2 oz Cu) connected to internal ground planes or a metal chassis. Avoid placing it near heat-sensitive components, and consider adding a small thermal relief gap under the body if direct chassis contact isn’t feasible. Monitor cumulative energy exposure—repeated pulses below Ipp can still degrade the junction over time if thermal mass is insufficient.
Can I parallel two 1.5KE100CA-E3/54 diodes to increase surge current handling in a 48V telecom power rail, and what matching requirements are necessary to ensure current sharing?
Paralleling two 1.5KE100CA-E3/54 diodes is not recommended without strict binning and layout controls. Due to manufacturing tolerances in breakdown voltage (±5% typical), one diode may consistently conduct first, leading to uneven current sharing and premature failure of the earlier-triggering device—even though each is rated for 10.9A Ipp individually. If paralleling is unavoidable (e.g., for >20A surge requirements), select units from the same reel and batch, place them in close thermal proximity on identical copper areas, and consider adding small series resistors (0.1–0.5 Ω, 1W) to balance dynamic response. A better alternative is upgrading to a single higher-power device like the 3KP100CA (3000W), which avoids sharing uncertainties altogether.
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1.5KE100CA-E3/54 CAD Models
Vishay General Semiconductor - Diodes Division 1.5KE100CA-E3/54 PCB symbols & footprints
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