component
CGA1808X7R102K302QT
Public Made by Adomby adom
HRE Multilayer Ceramic Capacitors MLCC - SMD/SMT, 1808. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.0
488447f
CGA1808X7R102K302QT
HRE · Multilayer Ceramic Capacitors MLCC - SMD/SMT · 1808
CGA1808X7R102K302QT from HRE, in a 1808. 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 capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HRE |
| Package | 1808 |
| Category | Capacitors |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal capacitance | C | 1 | nF | 1 | |||
| Rated voltage | 3000 | Vdc | 1 | ||||
| Operating temperature range | -55 | 125 | ℃ | Temperature range as printed on part-number page | 1 | ||
| Temperature characteristic of capacitance (X7R) | -15 | 15 | % | X7R; capacitance change over -55℃ to +125℃ relative to 25℃ reference | 3 | ||
| Insulation resistance (initial) | I.R. | 10 | GΩ | 25℃, between terminals, 1 min, 500 V test (RV>500V), max 50 mA charge current; smaller of ≥10 GΩ or RC≥500 Ω·F | 2 | ||
| Insulation resistance after high-temperature high-humidity test | I.R. | 500 | MΩ | 40±2℃, 90-95%RH, 500±24 h; smaller of 500 MΩ or RC≥5 s | 5 | ||
| Insulation resistance after life test (X7R) | I.R. | 1 | GΩ | X7R, 1000±12 h at max operating temperature ±3℃, 100% RV; smaller of ≥1 GΩ or RC≥10 s | 5 | ||
| Capacitance change after life test (X7R) | ΔC/C | -15 | 15 | % | X7R, 1000±12 h at max operating temperature ±3℃, 100% RV | 5 | |
| Capacitance change after high-temperature high-humidity test (X7R) | ΔC/C | -12.5 | 12.5 | % | X7R, 40±2℃, 90-95%RH, 500±24 h; test voltage printed as rated voltage (not exceeding 630V) | 5 | |
| Capacitance change after temperature cycle (X7R) | ΔC/C | -15 | 15 | % | X7R, 5 cycles, min/max temperature ±3℃, 30±3 min per step, after 150℃ 1 h pretreatment | 4 | |
| Capacitance change after resistance to soldering heat (X7R) | ΔC/C | -7.5 | 7.5 | % | X7R/X5R/X6S, Sn-3.0Ag-0.5Cu solder bath 260±5℃, 10±1 s, 24 h recovery | 4 | |
| Capacitance change in substrate bending test (general series) | ΔC/C | -10 | 10 | % | X7R, general series, board bent 1 mm after reflow mounting | 3 | |
| Dissipation factor after high-temperature high-humidity test (≥25V) | D.F. | 5 | % | X7R, ≥25V, 40±2℃, 90-95%RH, 500±24 h; larger of ≤5% or 2× initial value | 5 | ||
| Dissipation factor after life test (≥25V) | D.F. | 5 | % | X7R, ≥25V, 1000±12 h at max operating temperature ±3℃, 100% RV; larger of ≤5% or 2× initial value | 5 | ||
| Storage temperature | 0 | 35 | ℃ | Storage before use | 11 | ||
| Storage relative humidity | 70 | %RH | Storage | 11 |
CAD (KiCad official)
- Symbol:
CGA1808X7R102K302QT - Footprint:
Capacitor_SMD:C_1808_4520Metric - 3D model: 1808 (KiCad packages3D, STEP)
- 3D model files:
cga1808x7r102k302qt-etched.step/cga1808x7r102k302qt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cga1808x7r102k302qt.step/cga1808x7r102k302qt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HRE datasheet (15 pp, sha256
c052971b2ac57d49, retrieved 2026-10-14, 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, 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).
# CGA1808X7R102K302QT
**HRE** · Multilayer Ceramic Capacitors MLCC - SMD/SMT · 1808
CGA1808X7R102K302QT from HRE, in a 1808. 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 capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HRE |
| Package | 1808 |
| Category | Capacitors |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal capacitance | C | | 1 | | nF | | 1 |
| Rated voltage | | | 3000 | | Vdc | | 1 |
| Operating temperature range | | -55 | | 125 | ℃ | Temperature range as printed on part-number page | 1 |
| Temperature characteristic of capacitance (X7R) | | -15 | | 15 | % | X7R; capacitance change over -55℃ to +125℃ relative to 25℃ reference | 3 |
| Insulation resistance (initial) | I.R. | 10 | | | GΩ | 25℃, between terminals, 1 min, 500 V test (RV>500V), max 50 mA charge current; smaller of ≥10 GΩ or RC≥500 Ω·F | 2 |
| Insulation resistance after high-temperature high-humidity test | I.R. | 500 | | | MΩ | 40±2℃, 90-95%RH, 500±24 h; smaller of 500 MΩ or RC≥5 s | 5 |
| Insulation resistance after life test (X7R) | I.R. | 1 | | | GΩ | X7R, 1000±12 h at max operating temperature ±3℃, 100% RV; smaller of ≥1 GΩ or RC≥10 s | 5 |
| Capacitance change after life test (X7R) | ΔC/C | -15 | | 15 | % | X7R, 1000±12 h at max operating temperature ±3℃, 100% RV | 5 |
| Capacitance change after high-temperature high-humidity test (X7R) | ΔC/C | -12.5 | | 12.5 | % | X7R, 40±2℃, 90-95%RH, 500±24 h; test voltage printed as rated voltage (not exceeding 630V) | 5 |
| Capacitance change after temperature cycle (X7R) | ΔC/C | -15 | | 15 | % | X7R, 5 cycles, min/max temperature ±3℃, 30±3 min per step, after 150℃ 1 h pretreatment | 4 |
| Capacitance change after resistance to soldering heat (X7R) | ΔC/C | -7.5 | | 7.5 | % | X7R/X5R/X6S, Sn-3.0Ag-0.5Cu solder bath 260±5℃, 10±1 s, 24 h recovery | 4 |
| Capacitance change in substrate bending test (general series) | ΔC/C | -10 | | 10 | % | X7R, general series, board bent 1 mm after reflow mounting | 3 |
| Dissipation factor after high-temperature high-humidity test (≥25V) | D.F. | | | 5 | % | X7R, ≥25V, 40±2℃, 90-95%RH, 500±24 h; larger of ≤5% or 2× initial value | 5 |
| Dissipation factor after life test (≥25V) | D.F. | | | 5 | % | X7R, ≥25V, 1000±12 h at max operating temperature ±3℃, 100% RV; larger of ≤5% or 2× initial value | 5 |
| Storage temperature | | 0 | | 35 | ℃ | Storage before use | 11 |
| Storage relative humidity | | | | 70 | %RH | Storage | 11 |
## CAD (KiCad official)
- Symbol: `CGA1808X7R102K302QT`
- Footprint: `Capacitor_SMD:C_1808_4520Metric`
- 3D model: 1808 (KiCad packages3D, STEP)
- 3D model files: `cga1808x7r102k302qt-etched.step` / `cga1808x7r102k302qt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cga1808x7r102k302qt.step` / `cga1808x7r102k302qt.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HRE datasheet](docs/cga1808x7r102k302qt-datasheet.pdf) (15 pp, sha256 `c052971b2ac57d49`, retrieved 2026-10-14, 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](docs/cga1808x7r102k302qt-datasheet.pdf)