# SI32391-B-FM1R - Silicon Labs Telecom IC

## Product Summary

The Silicon Labs SI32391-B-FM1R is a Subscriber Line Interface Concept (SLIC) IC in the Telecom category. It operates within a supply voltage range of 3.15V to 3.45V.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | SI32391-B-FM1R |
| Manufacturer | Silicon Labs |
| Product Type | Telecom IC |
| Series | ProSLIC® |
| Category | Uncategorized |
| Subcategory | Telecom |
| Package | Tape & Reel (TR) |
| Supplier Device Package | 48-QFN (7x7) |
| Mounting Type | Surface Mount |

## Description

The SI32391-B-FM1R from Silicon Labs is an integrated circuit designed for telecom applications. This device functions as a Subscriber Line Interface Concept (SLIC) and is part of the ProSLIC® series.

Key electrical specifications include an operating supply voltage range of 3.15V to 3.45V. The component is designed to operate within a temperature range of 0°C to 70°C. It features a single circuit configuration.

The SI32391-B-FM1R is supplied in a 48-VFQFN Exposed Pad package, suitable for surface mounting. The supplier device package is a 48-QFN (7x7) and it comes in Tape & Reel packaging.

Environmental compliance includes RoHS3 compliance. The Moisture Sensitivity Level (MSL) is rated as 1 Unlimited, and it is REACH Unaffected.

## Key Specifications

| Specification | Value |
| --- | --- |
| Failure Rate | ProSLIC® |
| Function | Subscriber Line Interface Concept (SLIC) |
| Mounting Type | Surface Mount |
| Number of Circuits | 1 |
| Operating Temperature | 0 °C to 70 °C |
| Package / Case | 48-VFQFN Exposed Pad |
| SVHC Present | Not Present |
| Supplier Device Package | 48-QFN (7x7) |
| Voltage Supply | 3.15 V to 3.45 V |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 2 |
| Total Stock | 21,397 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Smaxon Electronics | 20,297 |  |  |  |  |
| Optech Co.,Limited | 1,100 |  |  |  |  |

## Features

- Subscriber Line Interface Concept (SLIC) function.
- Operates from 3.15V to 3.45V supply voltage.
- Wide operating temperature range of 0°C to 70°C.
- Surface mountable 48-VFQFN exposed pad package.
- RoHS3 compliant for environmental standards.

## Applications

- Ideal for telecom subscriber line interface circuits.
- Used in PSTN line card applications.
- Suitable for VOIP gateway interface modules.
- Applicable in central office switching equipment.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/18/48/ec/SI32391-B-FM1R-862370.jpg
- Product Page: https://distyparts.com/product/si32391-b-fm1r-2
- RFQ URL: https://distyparts.com/product/si32391-b-fm1r-2#rfq

## FAQs

### What is the operating supply voltage for the SI32391-B-FM1R?

The operating supply voltage is 3.15V to 3.45V.

### What is the operating temperature range for this Telecom IC?

The operating temperature range is 0°C to 70°C.

### What package type is the SI32391-B-FM1R supplied in?

It is supplied in a 48-VFQFN Exposed Pad package, specifically a 48-QFN (7x7) from the supplier.

### Is the SI32391-B-FM1R RoHS compliant?

Yes, it is RoHS3 Compliant.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/silicon-labs
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/si32391-b-fm1r-2
- Markdown File: https://distyparts.com/product/si32391-b-fm1r-2.md
- TXT File: https://distyparts.com/product/si32391-b-fm1r-2.txt