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.
Specification Comparison
| Parameter | 1.5KE18CASource | SN74CB3T3245PW | TPS53353DQPR |
|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Small Outline Packages | Small Outline No-lead |
| Pin Count | 2 | 20 | 22 |
| Temperature Range | -55.0°C ~ 175.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.1748 | — | $1.7507 |
| Electrical Parameters | |||
| Factory Lead Time | 25 Weeks | — | — |
| 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 | 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 | YES | YES |
| Technology | AVALANCHE | 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 |
| 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 | — |
| Pbfree Code | — | — | Yes |
| 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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Why Look for Alternatives?
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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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Request Alternatives for 1.5KE18CAFAQ
What is equivalent to 1.5KE18CA?
Known equivalents for 1.5KE18CA include SN74CB3T3245PW, TPS53353DQPR. 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.