component
FPB322520D-4R7MT0
Public Made by Adomby adom
cjiang Changjiang Microelectronics Tech Power Inductors, 1210. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownFPB322520D-4R7MT0
cjiang Changjiang Microelectronics Tech · Power Inductors · 1210
FPB322520D-4R7MT0 from cjiang Changjiang Microelectronics Tech, in a 1210. 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 inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | cjiang Changjiang Microelectronics Tech |
| Package | 1210 |
| Category | Inductors, Coils, Chokes |
| 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 |
|---|---|---|---|---|---|---|---|
| Inductance tolerance | -20 | 20 | % | M suffix: ±20% | 3 | ||
| Inductance change over temperature (ΔL/L), adhesive test | ΔL/L | -10 | 10 | % | Test time 60±5 sec; measured after removing pressure; change from initial value | 6 | |
| Inductance change (ΔL/L), bending test | ΔL/L | -10 | 10 | % | Bent depth 2 mm; PCB 40×100 mm, 1.0 mm thick; 30 sec; change from initial value | 6 | |
| Inductance change (ΔL/L), vibration test | ΔL/L | -10 | 10 | % | Sweep 10-55 Hz, amplitude 1.5 mm, 2 hr per axis; change from initial value | 6 | |
| Inductance change (ΔL/L), mechanical shock test | ΔL/L | -10 | 10 | % | Peak acceleration 1962 m/s², pulse 6 ms, 3 times per axis; change from initial value | 6 | |
| Inductance change (ΔL/L), drop test | ΔL/L | -10 | 10 | % | Dropped from 100 cm onto rigid wood, 3 times per axis; change from initial value | 6 | |
| Inductance change (ΔL/L), resistance to solder heat | ΔL/L | -10 | 10 | Reflow, 2 times, PCB 1.0 mm; printed as 'within ± 10' with no unit; change from initial value | 6 | ||
| Inductance change (ΔL/L), low temperature test | ΔL/L | -10 | 10 | % | Temp -40±3 ℃, load 500±12 hr; change from initial value | 7 | |
| Inductance change (ΔL/L), dry heat test | ΔL/L | -10 | 10 | % | Temp +85±2 ℃, load 500±12 hr; change from initial value | 7 | |
| Inductance change (ΔL/L), humidity test | ΔL/L | -10 | 10 | Temp +40±2 ℃, humidity 90-95% RH, load 500±12 hr; printed as 'within ± 10' with no unit; change from initial value | 7 | ||
| Inductance change (ΔL/L), thermal shock test | ΔL/L | -10 | 10 | % | -40±3 ℃ and +125±2 ℃, 30±3 min each, 100±12 cycles; change from initial value | 7 | |
| Inductance temperature coefficient | 1000 | ppm/℃ | Measured in the range -40 ℃ to 125 ℃ (temperature drift test); printed as 1000 ppm/℃ or less | 6 | |||
| Operating temperature range | -40 | 125 | ℃ | Includes self-temperature rise | 7 | ||
| Part temperature (ambient + temperature rise) | 125 | ℃ | Worst case operating conditions; should not exceed | 7 | |||
| Rated current check: DC resistance Rdc | Rdc | 80 | 98 | mΩ | Max.[Typ.] as printed for 4.7 uH part | 3 | |
| Saturation current Isat | Isat | 3.65 | 3.2 | A | DC current at which inductance decreases approximately 30% from initial value; Max.[Typ.] as printed | 3 | |
| Withstand DC voltage | 20 | V | Printed as 'Withstand DC Voltage: 20[V]' | 3 | |||
| Storage temperature range (taping package) | 5 | 40 | ℃ | Taping package storage | 7 | ||
| Nominal inductance | L | 4.7 | uH | Test frequency 1 MHz, OSC level 0.5 V (LCR meter 4285A) | 3 |
CAD (KiCad official)
- Symbol:
FPB322520D-4R7MT0 - Footprint:
Inductor_SMD:L_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
fpb322520d-4r7mt0-etched.step/fpb322520d-4r7mt0-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fpb322520d-4r7mt0.step/fpb322520d-4r7mt0.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: cjiang Changjiang Microelectronics Tech datasheet (8 pp, sha256
c900ccd2d75d6426, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).