Alternatives to STMicroelectronics DALC112S1RL
STMicroelectronics DALC112S1RL and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 DALC112S1RLSTMicroelectronics | DALC112S1-LF-T7ProTek Devices | SP723ABGLittelfuse Inc. | +1more | |
|---|---|---|---|---|
| FFF Compatibility | The pin layout is identical to the original DALC112S1RL, with Pins 1-5 and Pin 7 as I/O channels, Pin 6 as GND, and Pin 8 as Vcc.Both components utilize the standard 8-SOIC package with matching dimensions and surface-mount footprint.It provides steering diode protection for 6 lines with a low typical capacitance of 5pF, fully matching the electrical characteristics of the original. | The pin assignments are different. GND is on Pin 4 (instead of Pin 6) and Pin 6 is an I/O input (instead of GND).Uses the same standard 8-SOIC package dimensions.Protects 6 channels of high-speed inputs using steering diodes with a low capacitance of 5pF and identical 15V working voltage. | ||
 AI Summary | DALC112S1RL by STMicroelectronics: Clamp Ipp Tvs Diode Surface Mount 8-SOIC. | This is a direct second-source drop-in equivalent for the obsolete STMicroelectronics part, offering the same 6-channel rail-to-rail protection in an identical SOIC-8 package. It features an active lifecycle status and slightly improved peak reverse voltage.
| A solid functional alternative in the same SOIC-8 package. It protects 6 channels, but requires a PCB layout modification because the GND reference and input pin assignments differ from the original.
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| Lifecycle Status | Obsolete | Unknown | Unknown | |
| Market Availability | In stock | Unknown | Unknown | |
| REACH | REACH | Unknown | Unknown | |
| RoHS | RoHS | Unknown | Unknown | |
| Description | Clamp Ipp Tvs Diode Surface Mount 8-SOIC | This is a direct second-source drop-in equivalent for the obsolete STMicroelectronics part, offering the same 6-channel rail-to-rail protect | A solid functional alternative in the same SOIC-8 package. It protects 6 channels, but requires a PCB layout modification because the GND re | |
| Manufacturer | STMicroelectronics | ProTek Devices | Littelfuse Inc. | |
| Type | Transient Voltage Suppressors (TVS) | Component | Component | |
| Datasheet | Open | N/A | N/A | |
| Lead Time | 17 weeks | Unknown | Unknown | |
| Country of Origin | CN | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8541.10.0080 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Type | Steering (Rail to Rail) | - | - | |
| Applications | General Purpose | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - | - | |
| Power Line Protection | No | - | - | |
| Supplier Device Package | 8-SOIC | - | - | |
| Unidirectional Channels | 6 | - | - | |
| Voltage - Reverse Standoff (Typ) | 15V | - | - |
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Frequently asked questions
Yes. The STMicroelectronics DALC112S1RL is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the STMicroelectronics DALC112S1RL are the DALC112S1-LF-T7 (ProTek Devices) and the SP723ABG (Littelfuse Inc.), out of 3 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the DALC112S1RL are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The DALC112S1RL (STMicroelectronics) is a part in the Transient Voltage Suppressors (TVS) category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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