# NF\-GPS Module

## Description

Welcome to your new project\. Imagine what you can build here\.

## Project Details

- **Owner:** fatenerris
- **Created:** 7/2/2026
- **Last Updated:** 8/31/2026
- **Visibility:** Public
- **Copies:** 2

## Key Components

### B1 — 2987\-DUAL\-POSITIVE

- Manufacturer Part Number: 2987
- Part Type: Integrated Circuits
- Mount: PCB
- Role Details: Keystone 2987 corrected mapping: center N=NEGATIVE, both side pads P1/P2=POSITIVE
- Manufacturer Name: Keystone
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/d1f947ffcfa3e0fffefd37cf82d6e9ff10e914ab407a83e1dee7ebb39f2a7736\.pdf
- Current Rating: 0\.05A
- Functional Group: Backup
- Voltage Rating: 3V

**Pins:**
- NEGATIVE [pin N]
- POSITIVE [pin P2]
- POSITIVE [pin P1]

### D10 — [PESD0402\-140](https://flux.ai/adrian95/pesd0402-140~9y4.md)

- Part Type: Diode
- Manufacturer Name: Littelfuse Inc\.
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: PDF OCR also identified this as D1; Eagle source identifies D10
- Manufacturer Part Number: PESD0402\-140
- Datasheet URL: https://www\.littelfuse\.com/\~/media/electronics/product\_specifications/polymer\_esd\_suppressors/littelfuse\_polymer\_esd\_suppressor\_pesd0402\_140\_product\_specification\.pdf\.pdf

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### D2 — [B5819WS](https://flux.ai/lcsc/b5819ws~53q5.md)

- Role Details: Stand\-in for SparkFun 0\.5A/40V/420mV SOD\-323 Schottky diode
- Manufacturer Name: SHIKUES\(时科\)
- Forward Voltage: 0\.45V to 0\.50V
- Part Type: Schottky Barrier Diodes \(SBD\)
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: B5819WS
- Diode Type: Schottky Diode
- Package or Case Code: SOD\-323\_L1\.8\-W1\.3\-LS2\.5\-RD
- Max Reverse Voltage: 40V
- LCSC Part Number: C122855
- Product Info Url: https://lcsc\.com/product\-detail/Schottky\-Barrier\-Diodes\-SBD\_B5819WS\_C122855\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/1809211240\_Shikues\-B5819WS\_C122855\.pdf

**Pins:**
- A [pin 2]
- K [pin 1]

### E1 — [SMA\-J\-P\-H\-ST\-EM1](https://flux.ai/jecstronic/sma-j-p-h-st-em1~0a1.md)

- Part Type: Connector
- Datasheet URL: http://suddendocs\.samtec\.com/catalog\_english/sma\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: SparkFun Eagle package SMA\-EDGE
- Manufacturer Name: Samtec Inc\.
- Manufacturer Part Number: SMA\-J\-P\-H\-ST\-EM1

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]

### FB2 — [Ferrite Bead 0603](https://flux.ai/vasy_skral/ferrite-bead-0603~znt.md)

- Manufacturer Name: Murata
- Role: Choke \(EMI Filter\)
- Part Type: Inductor
- Current Rating: 0\.2A
- Manufacturer Part Number: BLM18HG601SN1D
- Resistance: 2\.56Ω
- Role Details: 600 ohm at 100 MHz ferrite bead for GNSS antenna bias isolation
- Purchase Url: https://www\.digikey\.com/en/products/detail/murata\-electronics/BLM18HG601SN1D/584244
- Package or Case Code: L\_0603\_1608Metric

**Pins:**
- \~ [pin 1]
- \~ [pin 2]

### J1 — [TSW\-106\-07\-G\-S](https://flux.ai/adrian95/tsw-106-07-g-s~giw.md)

- Connector Type: Headers and Wire Housings
- Manufacturer Part Number: TSW\-106\-07\-G\-S
- Manufacturer Name: Samtec
- Connector Gender: Male
- Connector Rows: 1
- Datasheet URL: https://suddendocs\.samtec\.com/catalog\_english/tsw\_th\.pdf
- Role Details: Stand\-in for SparkFun 1X06 USB\-to\-Serial header; pin labels DTR/TXO/RXI/VCC/CTS/GND are represented in net connections
- License: https://creativecommons\.org/licenses/by/4\.0/
- Connector Pitch: 2\.54mm
- Part Type: Connector
- Connector Positions: 6

**Pins:**
- 01 [pin 01]
- 02 [pin 02]
- 03 [pin 03]
- 04 [pin 04]
- 05 [pin 05]
- 06 [pin 06]

### J2 — [QWIIC I2C JST Connector](https://flux.ai/vasy_skral/qwiic-i2c-jst-connector~d55.md)

- Manufacturer Part Number: SM04B\-SRSS\-TB
- Manufacturer Name: JST Sales America Inc\.
- Connector Pitch: 1\.00mm
- Datasheet URL: https://media\.digikey\.com/pdf/Data%20Sheets/JST%20PDFs/SR%20Connector\.pdf
- Part Type: Connector
- Role Details: SparkFun Eagle package JST04\_1MM\_RA

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]

### J3 — [TSW\-104\-07\-G\-S](https://flux.ai/adrian95/tsw-104-07-g-s~983.md)

- Role Details: Stand\-in for SparkFun 1X04 PTH header
- Manufacturer Part Number: TSW\-104\-07\-G\-S
- Datasheet URL: http://suddendocs\.samtec\.com/prints/tsw\-xxx\-xx\-xxx\-x\-xx\-xxx\-mkt\.pdf
- Manufacturer Name: Samtec Inc\.
- Package or Case Code: TSW10407GS
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]

### J4 — [QWIIC I2C JST Connector](https://flux.ai/vasy_skral/qwiic-i2c-jst-connector~d55.md)

- Connector Pitch: 1\.00mm
- Manufacturer Part Number: SM04B\-SRSS\-TB
- Manufacturer Name: JST Sales America Inc\.
- Datasheet URL: https://media\.digikey\.com/pdf/Data%20Sheets/JST%20PDFs/SR%20Connector\.pdf
- Part Type: Connector
- Role Details: SparkFun Eagle package JST04\_1MM\_RA

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]

### J5 — [SSW\-108\-02\-T\-S](https://flux.ai/adrian95/ssw-108-02-t-s~0zp.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Datasheet URL: https://mm\.digikey\.com/Volume0/opasdata/d220001/medias/docus/6129/ssw\-1xx\-xx\-xxx\-x\-xx\-xxx\-xx\-mkt\.pdf
- Manufacturer Part Number: SSW\-108\-XX\-X\-S
- Manufacturer Name: Samtec
- Role Details: Stand\-in for SparkFun 1X08 header

**Pins:**
- 01 [pin 01]
- 02 [pin 02]
- 03 [pin 03]
- 04 [pin 04]
- 05 [pin 05]
- 06 [pin 06]
- 07 [pin 07]
- 08 [pin 08]

### LED1 — [KT\-0603R](https://flux.ai/adrian95/kt-0603r~7c.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: PPS indicator LED; same KT\-0603R part as LED2
- Manufacturer Name: Hubei KENTO Elec
- Manufacturer Part Number: KT\-0603R
- Part Type: LED
- Functional Group: LEDs
- Datasheet URL: https://www\.lcsc\.com/datasheet/lcsc\_datasheet\_1810231112\_Hubei\-KENTO\-Elec\-KT\-0603R\_C2286\.pdf

**Pins:**
- A [pin 2]
- K [pin 1]

### LED2 — [KT\-0603R](https://flux.ai/adrian95/kt-0603r~7c.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Red power indicator LED
- Manufacturer Name: Hubei KENTO Elec
- Manufacturer Part Number: KT\-0603R
- Part Type: LED
- Datasheet URL: https://www\.lcsc\.com/datasheet/lcsc\_datasheet\_1810231112\_Hubei\-KENTO\-Elec\-KT\-0603R\_C2286\.pdf

**Pins:**
- A [pin 2]
- K [pin 1]

### MEAS — [Solder Jumper 2 Bridged](https://flux.ai/jecstronic/solder-jumper-2-bridged~ugn.md)

- Manufacturer Part Number: Jumper\_2\_Bridged
- Role Details: SparkFun MEAS jumper in 3\.3V feed

**Pins:**
- A
- B

### PPSLED — [Solder Jumper 2 Bridged](https://flux.ai/jecstronic/solder-jumper-2-bridged~ugn.md)

- Manufacturer Part Number: Jumper\_2\_Bridged
- Role Details: SparkFun PPS LED jumper; cut to disable LED

**Pins:**
- A
- B

### PWR — [Solder Jumper 2 Bridged](https://flux.ai/jecstronic/solder-jumper-2-bridged~ugn.md)

- Role Details: SparkFun PWR LED jumper; cut to disable LED
- Manufacturer Part Number: Jumper\_2\_Bridged

**Pins:**
- A
- B

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/fatenerris/nf\-gps\-module\~nk](https://flux.ai/fatenerris/nf-gps-module~nk).*

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*Generated from [https://flux\.ai/fatenerris/nf\-gps\-module\~nk](https://flux.ai/fatenerris/nf-gps-module~nk)*