1.5KE18CAAlternatives & Equivalent Parts
About 1.5KE18CA
1.5KE18CA is a TVS Diode (Bi-directional) component manufactured by STMicroelectronics. It comes in a Diodes, Axial Diameter Horizontal Mounting package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | 1.5KE18CASource | R75UR32204040J | CFR25J2K7 | SN74CB3T3245PW | TPS53353DQPR |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Kemet | TE Connectivity | Texas Instruments | Texas Instruments |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Other | Resistors, Axial Diameter Horizontal Mounting | Small Outline Packages | Small Outline No-lead |
| Pin Count | 2 | 2 | 2 | 20 | 22 |
| Temperature Range | -55.0°C ~ 175.0°C | — | -55.0°C ~ 155.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.1748 | $1.6829 | $0.0137 | $1.3500 | $1.7507 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | END OF LIFE | — | TRANSFERRED | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 25 Weeks | — | 14 Weeks, 1 Day | — | — |
| YTEOL | 1 | — | — | 0 | 15 |
| Additional Feature | UL RECOGNIZED | — | — | ALSO OPERATES AT 3.3V SUPPLY | ADJUSTABLE OUTPUT MODE FROM 0.6 TO 5.5 V; ALSO REQ VDD 4.5 TO 25 V |
| Breakdown Voltage-Max | 18.9 V | — | — | — | — |
| Breakdown Voltage-Min | 17.1 V | — | — | — | — |
| Breakdown Voltage-Nom | 18 V | — | — | — | — |
| Case Connection | ISOLATED | — | — | — | — |
| Clamping Voltage-Max | 32.5 V | — | — | — | — |
| Configuration | SINGLE, 1 CHANNEL | — | — | — | — |
| Diode Capacitance-Min | 2150 pF | — | — | — | — |
| Diode Element Material | SILICON | — | — | — | — |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE | — | — | — | — |
| JEDEC-95 Code | DO-201 | — | — | — | — |
| JESD-30 Code | O-PALF-W2 | — | — | R-PDSO-G20 | R-PDSO-N22 |
| JESD-609 Code | e3 | — | — | e4 | e4 |
| Non-rep Peak Rev Power Dis-Max | 1500 W | — | — | — | — |
| Number of Elements | 1 | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | ROUND | — | TUBULAR PACKAGE | RECTANGULAR | RECTANGULAR |
| Package Style | LONG FORM | — | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG |
| Polarity | BIDIRECTIONAL | — | — | — | — |
| Power Dissipation-Max | 5 W | — | — | — | — |
| Qualification Status | Not Qualified | — | — | Not Qualified | Not Qualified |
| Reference Standard | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | — | — | — | — |
| Rep Pk Reverse Voltage-Max | 15.3 V | — | — | — | — |
| Reverse Current-Max | 5 µA | — | — | — | — |
| Reverse Test Voltage | 15.3 V | — | — | — | — |
| Surface Mount | NO | — | NO | YES | YES |
| Technology | AVALANCHE | — | CARBON FILM | CMOS | — |
| Terminal Finish | Matte Tin (Sn) | — | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | WIRE | — | — | GULL WING | NO LEAD |
| Terminal Position | AXIAL | — | — | DUAL | DUAL |
| Pbfree Code | — | — | Yes | — | Yes |
| Reach Compliance Code | — | — | Compliant | — | — |
| Mounting Feature | — | — | THROUGH HOLE MOUNT | — | — |
| Packing Method | — | — | AMMO PACK | — | — |
| Rated Power Dissipation (P) | — | — | 0.33 W | — | — |
| Rated Temperature | — | — | 70 °C | — | — |
| Resistance | — | — | 2700 Ω | — | — |
| Resistor Type | — | — | FIXED RESISTOR | — | — |
| Temperature Coefficient | — | — | 1200 ppm/°C | — | — |
| Terminal Shape | — | — | WIRE | — | — |
| Tolerance | — | — | 5% | — | — |
| Working Voltage | — | — | 250 V | — | — |
| Configuration Features: Number of Resistors 1 | — | — | Dimensions: Passive Component Dimensions 6.8 x 2.5 MM | — | — |
| Passive Component Tolerance 5 PCT | — | — | Operating Voltage 250 V | — | — |
| Resistance Class 1kΩ – 1MΩ | — | — | Packaging Features: Packaging Method Ammo Packed | — | — |
| Element Type Carbon Film | — | — | Element Type Thin Film | — | — |
| Control Type | — | — | — | ENABLE LOW | — |
| Count Direction | — | — | — | BIDIRECTIONAL | — |
| Family | — | — | — | CB3T/3VT | — |
| Load Capacitance (CL) | — | — | — | 50 pF | — |
| Logic IC Type | — | — | — | BUS DRIVER | — |
| Number of Bits | — | — | — | 8 | — |
| Number of Functions | — | — | — | 8 | 1 |
| Number of Ports | — | — | — | 2 | — |
| Output Characteristics | — | — | — | 3-STATE | — |
| Output Polarity | — | — | — | TRUE | — |
| Package Equivalence Code | — | — | — | TSSOP20,.25 | SOLCC22,.2,20 |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | 260 |
| Power Supply Current-Max (ICC) | — | — | — | 0.04 mA | — |
| Prop. Delay@Nom-Sup | — | — | — | 0.15 ns | — |
| Propagation Delay (tpd) | — | — | — | 0.25 ns | — |
| Supply Voltage-Max (Vsup) | — | — | — | 3.6 V | — |
| Supply Voltage-Min (Vsup) | — | — | — | 2.3 V | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 2.5 V | — |
| Temperature Grade | — | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Pitch | — | — | — | 0.65 mm | 0.5 mm |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | 30 |
| ## SN74CB3T3245PW Alternates Showing results | — | — | — | Image | — |
| Analog IC - Other Type | — | — | — | — | SWITCHING REGULATOR |
| Control Technique | — | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | — | — | — | 15 V |
| Input Voltage-Min | — | — | — | — | 1.5 V |
| Input Voltage-Nom | — | — | — | — | 12 V |
| Number of Outputs | — | — | — | — | 1 |
| Output Current-Max | — | — | — | — | 20 A |
| Output Voltage-Max | — | — | — | — | 5.5 V |
| Output Voltage-Min | — | — | — | — | 0.6 V |
| Switcher Configuration | — | — | — | — | BUCK |
| Switching Frequency-Max | — | — | — | — | 1000 kHz |
| ## TPS53353DQPR Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 4 alternatives for 1.5KE18CA — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 1.5KE18CA is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating 1.5KE18CA replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to 1.5KE18CA?
Known equivalents for 1.5KE18CA include R75UR32204040J, CFR25J2K7, SN74CB3T3245PW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1.5KE18CA?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify 1.5KE18CA alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.