TCMT1109Alternatives & Equivalent Parts
About TCMT1109
TCMT1109 is a Integrated Circuit component manufactured by Vishay. It comes in a Small Outline Packages 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 | TCMT1109Source | CSD19538Q2 | SN7485N | SN74LS02D | SN74LS11D |
|---|---|---|---|---|---|
| Manufacturer | Vishay | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Other | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 4 | 8 | 16 | 14 | 14 |
| Temperature Range | -40.0°C ~ 100.0°C | -55.0°C ~ 150.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $0.1024 | $0.1790 | $1.0000 | $0.2468 | $0.2640 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE |
| Electrical Parameters | |||||
| Factory Lead Time | 6 Weeks | — | — | — | — |
| YTEOL | 8 | 15 | 0 | 0 | 0 |
| Additional Feature | UL APPROVED, VDE APPROVED | AVALANCHE RATED | CASCADABLE | — | — |
| Coll-Emtr Bkdn Voltage-Min | 70 V | — | — | — | — |
| Configuration | SINGLE | SINGLE WITH BUILT-IN DIODE | — | — | — |
| Current Transfer Ratio-Min | 200% | — | — | — | — |
| Current Transfer Ratio-Nom | 200% | — | — | — | — |
| Dark Current-Max | 100 nA | — | — | — | — |
| Forward Current-Max | 0.06 A | — | — | — | — |
| Forward Voltage-Max | 1.6 V | — | — | — | — |
| Isolation Voltage-Max | 3750 V | — | — | — | — |
| JESD-609 Code | e3 | e4 | — | e4 | e4 |
| Mounting Feature | SURFACE MOUNT | — | — | — | — |
| Number of Elements | 1 | 1 | — | — | — |
| On-State Current-Max | 0.05 A | — | — | — | — |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER | — | — | — | — |
| Power Dissipation-Max | 0.15 W | — | — | — | — |
| Surface Mount | YES | YES | NO | YES | YES |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Pbfree Code | — | Yes | No | — | — |
| Date Of Intro | — | 2016-07-09 | — | — | — |
| Avalanche Energy Rating (Eas) | — | 8 mJ | — | — | — |
| Case Connection | — | DRAIN | — | — | — |
| DS Breakdown Voltage-Min | — | 100 V | — | — | — |
| Drain Current-Max (ID) | — | 14.4 A | — | — | — |
| Drain-source On Resistance-Max | — | 0.072 Ω | — | — | — |
| FET Technology | — | METAL-OXIDE SEMICONDUCTOR | — | — | — |
| Feedback Cap-Max (Crss) | — | 16.4 pF | — | — | — |
| JESD-30 Code | — | S-PDSO-N6 | R-PDIP-T16 | R-PDSO-G14 | R-PDSO-G14 |
| Operating Mode | — | ENHANCEMENT MODE | — | — | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | — | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | — | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | — | 260 | NOT SPECIFIED | 260 | 260 |
| Polarity/Channel Type | — | N-CHANNEL | — | — | — |
| Power Dissipation-Max (Abs) | — | 20.2 W | — | — | — |
| Pulsed Drain Current-Max (IDM) | — | 34.4 A | — | — | — |
| Terminal Form | — | NO LEAD | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Position | — | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | NOT SPECIFIED | 30 | 30 |
| Transistor Application | — | SWITCHING | — | — | — |
| Transistor Element Material | — | SILICON | — | — | — |
| Family | — | — | TTL/H/L | LS | LS |
| Load Capacitance (CL) | — | — | 15 pF | 15 pF | 15 pF |
| Logic IC Type | — | — | MAGNITUDE COMPARATOR | NOR GATE | AND GATE |
| Number of Bits | — | — | 4 | — | — |
| Number of Functions | — | — | 1 | 4 | 3 |
| Output Polarity | — | — | TRUE | — | — |
| Package Equivalence Code | — | — | DIP16,.3 | SOP14,.25 | SOP14,.25 |
| Power Supply Current-Max (ICC) | — | — | 88 mA | 5.4 mA | 6.6 mA |
| Propagation Delay (tpd) | — | — | 35 ns | 15 ns | 20 ns |
| Qualification Status | — | — | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | — | — | 5.25 V | 5.25 V | 5.25 V |
| Supply Voltage-Min (Vsup) | — | — | 4.75 V | 4.75 V | 4.75 V |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | 5 V | 5 V |
| Technology | — | — | TTL | TTL | TTL |
| Temperature Grade | — | — | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Pitch | — | — | 2.54 mm | 1.27 mm | 1.27 mm |
| ## SN7485N Alternates Showing results | — | — | Image | — | — |
| Max I(ol) | — | — | — | 0.016 A | 0.008 A |
| Number of Inputs | — | — | — | 2 | 3 |
| Packing Method | — | — | — | TUBE | TUBE |
| Prop. Delay@Nom-Sup | — | — | — | 15 ns | 20 ns |
| Schmitt Trigger | — | — | — | NO | NO |
| ## SN74LS02D Alternates Showing results | — | — | — | Image | — |
| Output Characteristics | — | — | — | — | TOTEM-POLE |
| ## SN74LS11D Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for TCMT1109 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for TCMT1109 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 TCMT1109 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 TCMT1109?
Known equivalents for TCMT1109 include CSD19538Q2, SN7485N, SN74LS02D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of TCMT1109?
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 TCMT1109 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.