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CMHZ4702 TR PBFREE
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Central Semicon Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CMHZ4702 TR PBFREE
Central Semicon · Zener Diodes · SOD-123
CMHZ4702 TR PBFREE from Central Semicon, in a SOD-123. 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 | Cathode lead of the Zener diode, identified as lead code 1 on the SOD-123 mechanical outline. |
| 2 | Anode | passive | Anode lead of the Zener diode, identified as lead code 2 on the SOD-123 mechanical outline. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Central Semicon |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (min) | VZ | 14.25 | 15 | V | TA=25°C; IZT=50μA | 2 | |
| Zener voltage (max) | VZ | 15 | 15.75 | V | TA=25°C; IZT=50μA | 2 | |
| Maximum reverse current | IR | 0.05 | μA | VR=11.4 V | 2 | ||
| Maximum zener current | IZM | 16.3 | mA | 2 | |||
| Forward voltage | VF | 1.5 | V | IF=100mA (for all types) | 1 | ||
| Power dissipation | PD | 500 | mW | TL=75°C | 1 | ||
| Operating and storage junction temperature | TJ, Tstg | -65 | 150 | °C | 1 | ||
| Maximum noise density | ND | 40 | μV/ Hz | @ IZT=50μA | 2 |
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 | tin | 1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD). | 6 |
CAD (KiCad official)
- Symbol:
CMHZ4702 TR PBFREE - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
cmhz4702-tr-pbfree-etched.step/cmhz4702-tr-pbfree-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cmhz4702-tr-pbfree.step/cmhz4702-tr-pbfree.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Central Semicon datasheet (6 pp, sha256
4b2bb0c4e4dfd188, retrieved 2026-10-18, 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).
# CMHZ4702 TR PBFREE
**Central Semicon** · Zener Diodes · SOD-123
CMHZ4702 TR PBFREE from Central Semicon, in a SOD-123. 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 | Cathode lead of the Zener diode, identified as lead code 1 on the SOD-123 mechanical outline. |
| 2 | Anode | passive | Anode lead of the Zener diode, identified as lead code 2 on the SOD-123 mechanical outline. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Central Semicon |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (min) | VZ | 14.25 | 15 | | V | TA=25°C; IZT=50μA | 2 |
| Zener voltage (max) | VZ | | 15 | 15.75 | V | TA=25°C; IZT=50μA | 2 |
| Maximum reverse current | IR | | | 0.05 | μA | VR=11.4 V | 2 |
| Maximum zener current | IZM | | | 16.3 | mA | | 2 |
| Forward voltage | VF | | | 1.5 | V | IF=100mA (for all types) | 1 |
| Power dissipation | PD | | | 500 | mW | TL=75°C | 1 |
| Operating and storage junction temperature | TJ, Tstg | -65 | | 150 | °C | | 1 |
| Maximum noise density | ND | | 40 | | μV/ Hz | @ IZT=50μA | 2 |
## 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 | | tin | 1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD). | 6 |
## CAD (KiCad official)
- Symbol: `CMHZ4702 TR PBFREE`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `cmhz4702-tr-pbfree-etched.step` / `cmhz4702-tr-pbfree-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmhz4702-tr-pbfree.step` / `cmhz4702-tr-pbfree.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Central Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590459193640984576) (6 pp, sha256 `4b2bb0c4e4dfd188`, retrieved 2026-10-18, 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/cmhz4702-tr-pbfree-datasheet.pdf)