# TFS1237 - Microchip Technology RF Filter

## Product Summary

The Microchip Technology TFS1237 is an RF filter with a nominal frequency of 1237 MHz. It operates within a temperature range of -40°C to +85°C.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | TFS1237 |
| Manufacturer | Microchip Technology |
| Product Type | RF Filter |
| Category | Uncategorized |
| Subcategory | New Products |
| Package | SMD |
| Mounting Type | Surface Mount |

## Description

The Microchip Technology TFS1237 is a surface-mount RF filter designed for signal filtering applications. It features a nominal frequency of 1237 MHz with a passband of ±20 MHz. The filter offers a typical insertion loss of 2.0 dB and various levels of absolute attenuation across different frequency ranges, ensuring effective signal selectivity.

Operating within a temperature range of -40°C to +85°C, the TFS1237 is suitable for a variety of environmental conditions. Its input power level is rated up to a maximum of 17 dBm. The component is constructed for surface mounting, making it compatible with standard PCB assembly processes.

Key electrical characteristics include a passband ripple of 0.5 dB maximum and a group delay ripple within the passband of 6 ns maximum. The temperature coefficient of frequency is -70 ppm/K, indicating stability over temperature variations. This filter is designed with a 50 Ω input and output impedance.

## Key Specifications

| Specification | Value |
| --- | --- |
| AEC Qualified | No |
| Automotive Grade | No |
| Industrial Grade | No |
| Insertion Loss | 2 dB |
| Medical Grade | No |
| Military Grade | No |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 °C to +85 °C |
| SVHC Present | Not Present |
| Storage Temperature | -55 °C to +125 °C |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 250 |
| Price | $1.16 |
| Pricing Available | Yes |

## Estimated Pricing

| Quantity | Price Range |
| ---: | ---: |
| 1+ | $1.16 |

Estimated pricing is for guidance only and is not a live distributor offer.

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Bristol Electronics | 250 |  |  |  |  |

## Features

- Nominal frequency of 1237 MHz.
- Passband of ±20 MHz.
- Operating temperature range -40°C to +85°C.
- Surface mount package.
- Maximum input power of 17 dBm.

## Applications

- RF signal filtering in communication systems.
- Band selection in wireless receivers.
- Interference rejection in microwave links.
- Frequency control in test and measurement.

## Compliance

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

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/c2/85/54/TFS1237.pdf
- Product Page: https://distyparts.com/product/tfs1237
- RFQ URL: https://distyparts.com/product/tfs1237#rfq

## FAQs

### What is the nominal frequency of the TFS1237 RF filter?

The nominal frequency of the TFS1237 is 1237 MHz.

### What is the operating temperature range for the TFS1237?

The TFS1237 operates within a temperature range of -40°C to +85°C.

### What is the passband of the TFS1237?

The passband of the TFS1237 is ±20 MHz around the nominal frequency.

### What is the typical insertion loss of the TFS1237?

The typical insertion loss for the TFS1237 is 2.0 dB.

### What is the maximum input power level for the TFS1237?

The maximum input power level for the TFS1237 is 17 dBm.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/microchip-technology
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/tfs1237
- Markdown File: https://distyparts.com/product/tfs1237.md
- TXT File: https://distyparts.com/product/tfs1237.txt