L6561Alternatives & Equivalent Parts
About L6561
L6561 is a Power Supply component manufactured by STMicroelectronics. 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 | L6561Source | CD4019BF | CD4019BM96E4 | SN74LVC1G0832DCKT | SFH617A-2 | SN74LVC1G0832DBVR | L6561D | L6561D013TR |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Vishay | Texas Instruments | STMicroelectronics | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | SOT23 (6-Pin) | Dual-In-Line Packages | SOT23 (6-Pin) | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 16 | 16 | 6 | 4 | 6 | 8 | 8 |
| Temperature Range | -25.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 100.0°C | -40.0°C ~ 125.0°C | -25.0°C ~ 125.0°C | -25.0°C ~ 125.0°C |
| Price | $0.6100 | $10.7400 | — | $0.4370 | $0.1200 | $0.0979 | $0.4685 | $0.4246 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | NOT RECOMMENDED | NOT RECOMMENDED |
| Electrical Parameters | ||||||||
| Factory Lead Time | 16 Weeks | — | — | — | 10 Weeks | — | 16 Weeks | 16 Weeks |
| Date Of Intro | 1980-01-04 | — | — | — | — | — | 1980-01-04 | 1980-01-04 |
| YTEOL | 3 | 15 | 0 | 15 | 6 | 15 | 3 | 3 |
| Analog IC - Other Type | POWER FACTOR CONTROLLER | — | — | — | — | — | POWER FACTOR CONTROLLER | POWER FACTOR CONTROLLER |
| Control Mode | CURRENT-MODE | — | — | — | — | — | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | — | — | — | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 18 V | — | — | — | — | — | 18 V | 18 V |
| Input Voltage-Min | 11 V | — | — | — | — | — | 11 V | 11 V |
| Input Voltage-Nom | 14.5 V | — | — | — | — | — | 14.5 V | 14.5 V |
| JESD-30 Code | R-PDIP-T8 | R-GDIP-T16 | R-PDSO-G16 | R-PDSO-G6 | — | R-PDSO-G6 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e0 | e4 | e3 | e1 | e4 | e3 | e3 |
| Number of Functions | 1 | 4 | 4 | 1 | — | 1 | 1 | 1 |
| Output Current-Max | 0.7 A | — | — | — | — | — | 0.7 A | 0.7 A |
| Package Body Material | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | DIP16,.3 | SOP16,.25 | TSSOP6,.08 | — | TSOP6,.11,37 | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | — | 260 | 260 | — | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | NO | NO | YES | YES | — | YES | YES | YES |
| Switcher Configuration | SINGLE | — | — | — | — | — | SINGLE | SINGLE |
| Technology | BCDMOS | CMOS | CMOS | CMOS | — | CMOS | BCDMOS | BCDMOS |
| Temperature Grade | OTHER | MILITARY | MILITARY | AUTOMOTIVE | — | AUTOMOTIVE | OTHER | OTHER |
| Terminal Finish | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | NICKEL PALLADIUM GOLD | Tin (Sn) | Tin/Silver/Copper (Sn/Ag/Cu) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 1.27 mm | 0.65 mm | — | 0.95 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 30 | 30 | — | 30 | — | — |
| Pbfree Code | — | Yes | — | Yes | Yes | Yes | — | — |
| Additional Feature | — | CONFIGURABLE AS QUAD 2:1 MUX | CONFIGURABLE AS QUAD 2:1 MUX | — | — | — | — | — |
| Family | — | 4000/14000/40000 | 4000/14000/40000 | LVC/LCX/Z | — | LVC/LCX/Z | — | — |
| Load Capacitance (CL) | — | 50 pF | 50 pF | 50 pF | — | 50 pF | — | — |
| Logic IC Type | — | AND-OR GATE | AND-OR GATE | AND-OR GATE | — | AND-OR GATE | — | — |
| Max I(ol) | — | 0.0015 A | 0.0068 A | 0.032 A | — | 0.032 A | — | — |
| Number of Inputs | — | 2 | 2 | 3 | — | 3 | — | — |
| Packing Method | — | TUBE | TR | TR | — | TR | — | — |
| Power Supply Current-Max (ICC) | — | 0.12 mA | — | 0.01 mA | — | 0.01 mA | — | — |
| Prop. Delay@Nom-Sup | — | 300 ns | 300 ns | 5.9 ns | — | 5.9 ns | — | — |
| Propagation Delay (tpd) | — | 300 ns | 300 ns | 17.5 ns | — | 17.5 ns | — | — |
| Schmitt Trigger | — | NO | NO | NO | — | NO | — | — |
| Supply Voltage-Max (Vsup) | — | 18 V | 18 V | 5.5 V | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | 3 V | 3 V | 1.65 V | — | 1.65 V | — | — |
| Supply Voltage-Nom (Vsup) | — | 5 V | 5 V | 3.3 V | — | 3.3 V | — | 14.5 V |
| ## CD4019BF Alternates Showing results | — | Image | — | — | — | — | — | — |
| ## CD4019BM96E4 Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## SN74LVC1G0832DCKT Alternates Showing results | — | — | — | Image | — | — | — | — |
| Coll-Emtr Bkdn Voltage-Min | — | — | — | — | 70 V | — | — | — |
| Configuration | — | — | — | — | SINGLE | — | — | — |
| Current Transfer Ratio-Nom | — | — | — | — | 63% | — | — | — |
| Dark Current-Max | — | — | — | — | 50 nA | — | — | — |
| Forward Current-Max | — | — | — | — | 0.06 A | — | — | — |
| Isolation Voltage-Max | — | — | — | — | 5300 V | — | — | — |
| Number of Elements | — | — | — | — | 1 | — | — | — |
| Optoelectronic Device Type | — | — | — | — | TRANSISTOR OUTPUT OPTOCOUPLER | — | — | — |
| ## SN74LVC1G0832DBVR Alternates Showing results | — | — | — | — | — | Image | — | — |
| Supply Current-Max (Isup) | — | — | — | — | — | — | — | 5.5 mA |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for L6561 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 L6561 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 L6561?
Known equivalents for L6561 include CD4019BF, CD4019BM96E4, SN74LVC1G0832DCKT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L6561?
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 L6561 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.