BZX84C15Q

Yangzhou Yangjie Elec Tech · Zener Diodes · SOT-23

BZX84C15Q from Yangzhou Yangjie Elec Tech, in a SOT-23. 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	A	passive	Anode of the zener diode, shown on the pin 1 side of the symbol; the 350 mW power dissipation limit applies to the device.
2	NC	unconnected	Not connected internally; the package symbol shows no connection to the diode on pin 2.
3	K	passive	Cathode of the zener diode; BZX84C15Q has Vz of 13.8V min, 15V typ and 15.6V max at Izt=5mA.

Key specifications

Parameter	Value
Manufacturer	Yangzhou Yangjie Elec Tech
Package	SOT-23
Category	Diodes
Pins	3

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 (BZX84C15Q)	VZ	13.8	15	15.6	V	Izt = 5 mA	2
VZ tolerance		-5		5	%	approximately, printed as ±5%	1
Zener impedance	Zzt			30	Ω	IZt = 5 mA	2
Zener knee impedance	Zzk			200	Ω	Izk = 1.0 mA	2
Reverse leakage current	IR			0.1	μA	VR = 10.5 V	2
Typical temperature coefficient		9.2		13	mV/℃	IZTC = 5 mA	2
Power Dissipation	PD			350	mW	Ta=25℃	1
Storage Temperature Range	Tstg	-55		150	°C		1
Junction Temperature	TJ	-55		150	°C		1
Maximum Forward Voltage	VF			0.9	V	IF=10mAdc	1
Thermal Resistance Junction to Ambient Air	RθJA			357	°C/W	Junction to Ambient Air*	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
housing		black	4. Body color: Black	5
contacts		tin	● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102	1

CAD (KiCad official)

Symbol: BZX84C15Q
Footprint: Package_TO_SOT_SMD:SOT-23
3D model: SOT-23 (KiCad packages3D, STEP)
3D model files: bzx84c15q-etched.step / bzx84c15q-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx84c15q.step / bzx84c15q.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256 6ee6bf4524a8b88e, retrieved 2026-10-17, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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

# BZX84C15Q

**Yangzhou Yangjie Elec Tech** · Zener Diodes · SOT-23

BZX84C15Q from Yangzhou Yangjie Elec Tech, in a SOT-23. 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 | A | passive | Anode of the zener diode, shown on the pin 1 side of the symbol; the 350 mW power dissipation limit applies to the device. |
| 2 | NC | unconnected | Not connected internally; the package symbol shows no connection to the diode on pin 2. |
| 3 | K | passive | Cathode of the zener diode; BZX84C15Q has Vz of 13.8V min, 15V typ and 15.6V max at Izt=5mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOT-23 |
| Category | Diodes |
| Pins | 3 |

## 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 (BZX84C15Q) | VZ | 13.8 | 15 | 15.6 | V | Izt = 5 mA | 2 |
| VZ tolerance |  | -5 |  | 5 | % | approximately, printed as ±5% | 1 |
| Zener impedance | Zzt |  |  | 30 | Ω | IZt = 5 mA | 2 |
| Zener knee impedance | Zzk |  |  | 200 | Ω | Izk = 1.0 mA | 2 |
| Reverse leakage current | IR |  |  | 0.1 | μA | VR = 10.5 V | 2 |
| Typical temperature coefficient |  | 9.2 |  | 13 | mV/℃ | IZTC = 5 mA | 2 |
| Power Dissipation | PD |  |  | 350 | mW | Ta=25℃ | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |
| Junction Temperature | TJ | -55 |  | 150 | °C |  | 1 |
| Maximum Forward Voltage | VF |  |  | 0.9 | V | IF=10mAdc | 1 |
| Thermal Resistance Junction to Ambient Air | RθJA |  |  | 357 | °C/W | Junction to Ambient Air* | 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 |
|---|---|---|---|---|
| housing |  | black | 4. Body color: Black | 5 |
| contacts |  | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |

## CAD (KiCad official)

- Symbol: `BZX84C15Q`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `bzx84c15q-etched.step` / `bzx84c15q-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzx84c15q.step` / `bzx84c15q.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590236142903209984) (6 pp, sha256 `6ee6bf4524a8b88e`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/bzx84c15q-datasheet.pdf)