component
1A7
Public Made by Adomby adom
LangJie Diodes - General Purpose, DO-41. 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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1A7
LangJie · Diodes - General Purpose · DO-41
1A7 from LangJie, in a DO-41. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LangJie |
| Package | DO-41 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating and Storage Temperature Range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Maximum Repetitive Peak Reverse Voltage | VRRM | 1000 | Volts | 1 | |||
| Maximum RMS Voltage | VRMS | 700 | Volts | 1 | |||
| Maximum DC Blocking Voltage | VDC | 1000 | Volts | 1 | |||
| Maximum Average Forward Rectified Current | I(AV) | 1 | Amp | 0.375” (9.5mm) lead length at TA=100℃ | 1 | ||
| Peak Forward Surge Current | IFSM | 30 | Amps | 8.3mS single half sine wave superimposed on rated load (JEDEC method) | 1 | ||
| Maximum Instantaneous Forward Voltage | VF | 1.1 | Volts | at 1.0A | 1 | ||
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IR | 5 | µA | TA = 25℃ | 1 | ||
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IR | 100 | µA | TA = 125℃ | 1 | ||
| Maximum Full Load Reverse Current, full cycle average | IR(AV) | 30 | µA | 0.375” (9.5mm) lead length at TL=75℃ | 1 | ||
| Typical Junction Capacitance | CJ | 15 | pF | Measured at 1.0MHz and applied reverse voltage of 4.0 Volts (NOTE 1) | 1 | ||
| Typical Thermal Resistance, junction to ambient | RθJA | 50 | ℃/W | 0.375” (9.5mm) lead length, P.C. board mounted (NOTE 2) | 1 |
CAD (KiCad official)
- Symbol:
1A7 - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LangJie datasheet (5 pp, sha256
7f16a09a5b415f7c, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band 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).
# 1A7
**LangJie** · Diodes - General Purpose · DO-41
1A7 from LangJie, in a DO-41. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LangJie |
| Package | DO-41 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating and Storage Temperature Range | TJ,TSTG | -55 | | 150 | ℃ | | 1 |
| Maximum Repetitive Peak Reverse Voltage | VRRM | | | 1000 | Volts | | 1 |
| Maximum RMS Voltage | VRMS | | | 700 | Volts | | 1 |
| Maximum DC Blocking Voltage | VDC | | | 1000 | Volts | | 1 |
| Maximum Average Forward Rectified Current | I(AV) | | | 1 | Amp | 0.375” (9.5mm) lead length at TA=100℃ | 1 |
| Peak Forward Surge Current | IFSM | | | 30 | Amps | 8.3mS single half sine wave superimposed on rated load (JEDEC method) | 1 |
| Maximum Instantaneous Forward Voltage | VF | | | 1.1 | Volts | at 1.0A | 1 |
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IR | | | 5 | µA | TA = 25℃ | 1 |
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IR | | | 100 | µA | TA = 125℃ | 1 |
| Maximum Full Load Reverse Current, full cycle average | IR(AV) | | | 30 | µA | 0.375” (9.5mm) lead length at TL=75℃ | 1 |
| Typical Junction Capacitance | CJ | | 15 | | pF | Measured at 1.0MHz and applied reverse voltage of 4.0 Volts (NOTE 1) | 1 |
| Typical Thermal Resistance, junction to ambient | RθJA | | 50 | | ℃/W | 0.375” (9.5mm) lead length, P.C. board mounted (NOTE 2) | 1 |
## CAD (KiCad official)
- Symbol: `1A7`
- Footprint: `Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal`
- 3D model: DO-41 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LangJie datasheet](docs/1a7-datasheet.pdf) (5 pp, sha256 `7f16a09a5b415f7c`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/1a7-datasheet.pdf)