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SMAJ7.5CA
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Shandong Jingdao Microelectronics TVS, SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SMAJ7.5CA
Shandong Jingdao Microelectronics · TVS · SMA
SMAJ7.5CA from Shandong Jingdao Microelectronics, in a SMA. 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 | Cathode | passive | Pin 1 is labelled Cathode in the PINNING table for the SMA package; the datasheet gives no further electrical limit for this pin. |
| 2 | Anode | passive | Pin 2 is labelled Anode in the PINNING table for the SMA package; the datasheet gives no further electrical limit for this pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shandong Jingdao Microelectronics |
| Package | SMA |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (min) | VBR | 8.33 | V | IT = 1 mA (Table 1, 7.5 V row, shared UNI/BI) | 2 | ||
| Breakdown voltage (max) | VBR | 9.21 | V | IT = 1 mA (Table 1, 7.5 V row, shared UNI/BI) | 2 | ||
| Max. clamp voltage | VC | 12.9 | V | @ IPP = 31.0 A | 2 | ||
| Reverse stand-off voltage | VRRM | 7.5 | V | 2 | |||
| Peak pulse power dissipation | PPPM | 400 | W | TA=25°C (Note 1,2,4, Fig1) | 1 | ||
| Peak forward surge current | IFSM | 60 | A | 8.3 ms single half sine-wave, JEDEC method (Note 3, Fig 4) | 1 | ||
| Operating junction and storage temperature range | Tj, Tstg | -65 | 150 | °C | 1 | ||
| ESD voltage per IEC61000-4-2, contact | VESD1 | 30 | kV | IEC6100-4-2, contact | 1 | ||
| ESD voltage per IEC61000-4-2, air | VESD2 | 30 | kV | IEC6100-4-2, air | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 30 | °C/W | Mounted on 5mm copper pads to each terminal (Note 2) | 1 |
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 | copper | 2. Mounted on 5mm copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMAJ7.5CA - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
smaj7-5ca-etched.step/smaj7-5ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj7-5ca.step/smaj7-5ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shandong Jingdao Microelectronics datasheet (4 pp, sha256
c98b4c9684526d51, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).
# SMAJ7.5CA
**Shandong Jingdao Microelectronics** · TVS · SMA
SMAJ7.5CA from Shandong Jingdao Microelectronics, in a SMA. 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 | Cathode | passive | Pin 1 is labelled Cathode in the PINNING table for the SMA package; the datasheet gives no further electrical limit for this pin. |
| 2 | Anode | passive | Pin 2 is labelled Anode in the PINNING table for the SMA package; the datasheet gives no further electrical limit for this pin. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shandong Jingdao Microelectronics |
| Package | SMA |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (min) | VBR | 8.33 | | | V | IT = 1 mA (Table 1, 7.5 V row, shared UNI/BI) | 2 |
| Breakdown voltage (max) | VBR | | | 9.21 | V | IT = 1 mA (Table 1, 7.5 V row, shared UNI/BI) | 2 |
| Max. clamp voltage | VC | | | 12.9 | V | @ IPP = 31.0 A | 2 |
| Reverse stand-off voltage | VRRM | | | 7.5 | V | | 2 |
| Peak pulse power dissipation | PPPM | | | 400 | W | TA=25°C (Note 1,2,4, Fig1) | 1 |
| Peak forward surge current | IFSM | | | 60 | A | 8.3 ms single half sine-wave, JEDEC method (Note 3, Fig 4) | 1 |
| Operating junction and storage temperature range | Tj, Tstg | -65 | | 150 | °C | | 1 |
| ESD voltage per IEC61000-4-2, contact | VESD1 | | | 30 | kV | IEC6100-4-2, contact | 1 |
| ESD voltage per IEC61000-4-2, air | VESD2 | | | 30 | kV | IEC6100-4-2, air | 1 |
| Typical thermal resistance junction to ambient | RθJA | | 30 | | °C/W | Mounted on 5mm copper pads to each terminal (Note 2) | 1 |
## 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 | copper | | 2. Mounted on 5mm copper pads to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `SMAJ7.5CA`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA (KiCad packages3D, STEP)
- 3D model files: `smaj7-5ca-etched.step` / `smaj7-5ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj7-5ca.step` / `smaj7-5ca.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shandong Jingdao Microelectronics datasheet](docs/smaj7-5ca-datasheet.pdf) (4 pp, sha256 `c98b4c9684526d51`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/smaj7-5ca-datasheet.pdf)