6N138Alternatives & Equivalent Parts
About 6N138
6N138 is a Integrated Circuit component manufactured by Vishay. It comes in a Dual-In-Line 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 | 6N138Source | MC78L09ACPG | SN74LS14NE4 | CD74HCT138E | CD74HCT174EE4 | CD74HCT32EG4 | CD74HCT42E |
|---|---|---|---|---|---|---|---|
| Manufacturer | Vishay | ON Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Other | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 8 | 3 | 14 | 16 | 16 | 14 | 16 |
| Temperature Range | -55.0°C ~ 100.0°C | — | ~ 70.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | — | -55.0°C ~ 125.0°C |
| Price | $0.2191 | $0.0845 | $0.3170 | $0.3708 | $0.2100 | $0.2697 | $0.5365 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | — | ACTIVE |
| Electrical Parameters | |||||||
| YTEOL | 0 | 5.6 | 15 | 15 | 0 | — | 15 |
| Additional Feature | CMOS COMPATIBLE | — | — | — | DUMMY VAL | — | — |
| Configuration | SINGLE | — | — | — | — | — | — |
| Current Transfer Ratio-Min | 300% | — | — | — | — | — | — |
| Forward Current-Max | 0.025 A | — | — | — | — | — | — |
| Forward Voltage-Max | 1.7 V | — | — | — | — | — | — |
| Isolation Voltage-Max | 5300 V | — | — | — | — | — | — |
| JESD-609 Code | e3 | e3 | e4 | e4 | e4 | — | e4 |
| Mounting Feature | THROUGH HOLE MOUNT | — | — | — | — | — | — |
| Number of Elements | 1 | — | — | — | — | — | — |
| Number of Functions | 1 | 1 | 6 | 1 | 1 | — | 1 |
| On-State Current-Max | 0.06 A | — | — | — | — | — | — |
| Optoelectronic Device Type | LOGIC IC OUTPUT OPTOCOUPLER | — | — | — | — | — | — |
| Power Dissipation-Max | 0.1 W | — | — | — | — | — | — |
| Response Time-Max | 0.000035 s | — | — | — | — | — | — |
| Surface Mount | NO | NO | NO | NO | NO | — | NO |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Pbfree Code | — | Yes | Yes | Yes | — | — | Yes |
| Manufacturer Package Code | — | 29-10 | — | — | — | — | — |
| Adjustability | — | FIXED | — | — | — | — | — |
| Dropout Voltage1-Nom | — | 1.7 V | — | — | — | — | — |
| Input Voltage Absolute-Max | — | 30 V | — | — | — | — | — |
| Input Voltage-Max | — | 24 V | — | — | — | — | — |
| Input Voltage-Min | — | 11.5 V | — | — | — | — | — |
| JESD-30 Code | — | O-PBCY-T3 | R-PDIP-T14 | R-PDIP-T16 | R-PDIP-T16 | — | R-PDIP-T16 |
| Line Regulation-Max | — | 0.175% | — | — | — | — | — |
| Load Regulation-Max | — | 0.09% | — | — | — | — | — |
| Number of Outputs | — | 1 | — | — | — | — | — |
| Operating Temperature TJ-Max | — | 125 °C | — | — | — | — | — |
| Output Current1-Max | — | 0.1 A | — | — | — | — | — |
| Output Voltage1-Max | — | 9.4 V | — | — | — | — | — |
| Output Voltage1-Min | — | 8.6 V | — | — | — | — | — |
| Output Voltage1-Nom | — | 9 V | — | — | — | — | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | — | SIP3,.1,50 | DIP14,.3 | DIP16,.3 | DIP16,.3 | — | DIP16,.3 |
| Package Shape | — | ROUND | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | — | CYLINDRICAL | IN-LINE | IN-LINE | IN-LINE | — | IN-LINE |
| Packing Method | — | BAG | TUBE | TUBE | TUBE | — | TUBE |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Regulator Type | — | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | — | — | — | — |
| Technology | — | BIPOLAR | TTL | CMOS | CMOS | — | CMOS |
| Terminal Form | — | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | — | THROUGH-HOLE |
| Terminal Position | — | BOTTOM | DUAL | DUAL | DUAL | — | DUAL |
| Voltage Tolerance-Max | — | 4.44% | — | — | — | — | — |
| Family | — | — | LS | HCT | HCT | — | HCT |
| Load Capacitance (CL) | — | — | 15 pF | 50 pF | 50 pF | — | 50 pF |
| Logic IC Type | — | — | INVERTER | 3-LINE TO 8-LINE DECODER | D FLIP-FLOP | — | DECIMAL DECODER/DRIVER |
| Max I(ol) | — | — | 0.008 A | 0.004 A | 0.004 A | — | 0.004 A |
| Number of Inputs | — | — | 1 | — | — | — | — |
| Power Supply Current-Max (ICC) | — | — | 21 mA | 0.16 mA | 0.16 mA | — | 0.16 mA |
| Prop. Delay@Nom-Sup | — | — | 22 ns | 35 ns | 60 ns | — | 35 ns |
| Propagation Delay (tpd) | — | — | 22 ns | 53 ns | 60 ns | — | 53 ns |
| Schmitt Trigger | — | — | YES | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.25 V | 5.5 V | 5.5 V | — | 5.5 V |
| Supply Voltage-Min (Vsup) | — | — | 4.75 V | 4.5 V | 4.5 V | — | 4.5 V |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | 5 V | 5 V | — | 5 V |
| Temperature Grade | — | — | COMMERCIAL | MILITARY | MILITARY | — | MILITARY |
| Terminal Pitch | — | — | 2.54 mm | 2.54 mm | 2.54 mm | — | 2.54 mm |
| ## SN74LS14NE4 Alternates Showing results | — | — | Image | — | — | — | — |
| Input Conditioning | — | — | — | STANDARD | — | — | STANDARD |
| Number of Bits | — | — | — | 8 | 6 | — | 10 |
| Output Polarity | — | — | — | INVERTED | TRUE | — | INVERTED |
| ## CD74HCT138E Alternates Showing results | — | — | — | Image | — | — | — |
| Max Frequency@Nom-Sup | — | — | — | — | 17000000 Hz | — | — |
| Trigger Type | — | — | — | — | POSITIVE EDGE | — | — |
| fmax-Min | — | — | — | — | 17 MHz | — | — |
| ## CD74HCT42E 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?
Finding alternatives for 6N138 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 6N138 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.
Can't Find What You Need?
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FAQ
What is equivalent to 6N138?
Known equivalents for 6N138 include MC78L09ACPG, SN74LS14NE4, CD74HCT138E. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 6N138?
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 6N138 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.