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CMFC503J3800HANT

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FH Guangdong Fenghua Advanced Tech NTC Thermistors, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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CMFC503J3800HANT

FH Guangdong Fenghua Advanced Tech · NTC Thermistors · 1206

CMFC503J3800HANT from FH Guangdong Fenghua Advanced Tech, in a 1206. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of an unpolarised resistor; either orientation.
2 2 passive Terminal 2 of an unpolarised resistor; either orientation.

Key specifications

Parameter Value
Manufacturer FH Guangdong Fenghua Advanced Tech
Package 1206
Category Sensors
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Zero-power resistance R25 tolerance (code J) R25 -5 5 % Part-number tolerance code J = ±5.0% 5
B value tolerance (code H) B25/50 -3 3 % Part-number B-value tolerance code H = ±3.0% 5
Operating temperature range -40 125 ℃ 12
R25 change after resistance to soldering heat R25 -5 5 % Dip 260±5℃, 10±1 s, 96.5Sn/3.0Ag/0.5Cu 12
B-constant change after resistance to soldering heat B25/50 -2 2 % Dip 260±5℃, 10±1 s, 96.5Sn/3.0Ag/0.5Cu 12
R25 change after vibration R25 -5 5 % 10Hz-55Hz-10Hz, amplitude 1.52mm, 2h per X/Y/Z axis 13
B-constant change after vibration B25/50 -2 2 % 10Hz-55Hz-10Hz, amplitude 1.52mm, 2h per X/Y/Z axis 13
R25 change after resistance to flexure R25 -5 5 % PCB bend 1.0mm (0805, 1206), pressing speed 0.5mm/s, hold 30 s 13
B-constant change after resistance to flexure B25/50 -2 2 % PCB bend 1.0mm (0805, 1206), pressing speed 0.5mm/s, hold 30 s 13
R25 change after high temperature resistance R25 -5 5 % 125±2℃, 1000 h (+24/-0) 13
B-constant change after high temperature resistance B25/50 -2 2 % 125±2℃, 1000 h (+24/-0) 13
R25 change after low temperature resistance R25 -5 5 % -40±2℃, 1000 h (+24/-0) 14
B-constant change after low temperature resistance B25/50 -2 2 % -40±2℃, 1000 h (+24/-0) 14
R25 change after static humidity R25 -5 5 % 90-95% RH, 60±2℃, 1000 h (+24/-0) 14
B-constant change after static humidity B25/50 -2 2 % 90-95% RH, 60±2℃, 1000 h (+24/-0) 14
R25 change after thermal shock R25 -5 5 % 32 cycles without load, -40℃ / +125℃, 30 min dwell 14
B-constant change after thermal shock B25/50 -2 2 % 32 cycles without load, -40℃ / +125℃, 30 min dwell 14
Zero-power resistance R25 (nominal) R25 50 KΩ At 25°C, zero-power 9
B value constant B25/50 (nominal) B25/50 3800 K B25/50 9

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts silver Terminal electrode 银层 Ag laye 银Ag 4

CAD (KiCad official)

  • Symbol: CMFC503J3800HANT
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: cmfc503j3800hant-etched.step / cmfc503j3800hant-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cmfc503j3800hant.step / cmfc503j3800hant.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: FH Guangdong Fenghua Advanced Tech datasheet (19 pp, sha256 f6d73fcb850cb0cd, retrieved 2026-10-18, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF