component
ZUMT718TA
Public Made by Adomby adom
Diodes Incorporated Bipolar Transistors - BJT, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownZUMT718TA
Diodes Incorporated · Bipolar Transistors - BJT · SOT-323
ZUMT718TA from Diodes Incorporated, in a SOT-323. 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 | B | input | Base; drive current limited by IB of -200mA max, with VEBO rated -7V. |
| 2 | E | passive | Emitter of the PNP transistor; VEBO rated -7V. |
| 3 | C | passive | Collector; rated IC -1A continuous, -3A peak, VCEO -20V, and also the main heat-sinking lead. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-323 |
| Category | Transistors |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Base Voltage | VCBO | -20 | V | TA = +25°C | 2 | ||
| Collector-Emitter Voltage | VCEO | -20 | V | TA = +25°C | 2 | ||
| Emitter-Base Voltage | VEBO | -7 | V | TA = +25°C | 2 | ||
| Peak Pulse Current | ICM | -3 | A | TA = +25°C | 2 | ||
| Continuous Collector Current | IC | -1 | A | TA = +25°C | 2 | ||
| Base Current | IB | -200 | mA | TA = +25°C | 2 | ||
| Power Dissipation (Note 5) | PD | 385 | mW | Note 5: 10mm x 8mm 1oz copper | 2 | ||
| Power Dissipation (Note 6) | PD | 500 | mW | Note 6: 25mm x 25mm 1oz copper | 2 | ||
| Thermal Resistance, Junction to Ambient (Note 5) | RθJA | 325 | °C/W | Note 5 | 2 | ||
| Thermal Resistance, Junction to Ambient (Note 6) | RθJA | 250 | °C/W | Note 6 | 2 | ||
| Thermal Resistance, Junction to Leads | RθJL | 350 | °C/W | Note 7 | 2 | ||
| Operating and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 2 | ||
| ESD Human Body Model | ESD HBM | 4000 | V | JEDEC Class 3A | 2 | ||
| ESD Machine Model | ESD MM | 400 | V | JEDEC Class C | 2 | ||
| Collector-Base Breakdown Voltage | VCBO | -20 | V | IC = -100µA | 3 | ||
| Collector-Emitter Breakdown Voltage | VCEO | -20 | V | IC = -10mA | 3 | ||
| Emitter-Base Breakdown Voltage | VEBO | -7 | V | IE = -100µA | 3 | ||
| Collector-Base Cutoff Current | ICBO | -10 | nA | VCB = -15V | 3 | ||
| Emitter-Base Cutoff Current | IEBO | -10 | nA | VEB = -4.0V | 3 | ||
| Collector-Emitter Cutoff Current | ICES | -10 | nA | VCES = -15V | 3 | ||
| DC Current Gain | hFE | 300 | 490 | IC = -10mA, VCE = -2.0V | 3 | ||
| DC Current Gain | hFE | 300 | 450 | IC = -0.1A , VCE = -2.0V | 3 | ||
| DC Current Gain | hFE | 200 | 315 | IC = -0.5A, VCE = -2.0V | 3 | ||
| DC Current Gain | hFE | 100 | 160 | IC = -1A, VCE = -2.0V | 3 | ||
| DC Current Gain | hFE | 20 | 75 | IC = -1.5A, VCE = -2.0V | 3 | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | -33.5 | -45 | mV | IC = -0.1A, IB = -10mA | 3 | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | -80 | -110 | mV | IC = -0.25A, IB = -10mA | 3 | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | -130 | -175 | mV | IC = -0.5A, IB = -20mA | 3 | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | -180 | -250 | mV | IC = -1A, IB = -100mA | 3 | |
| Base-Emitter Saturation Voltage | VBE(SAT) | -970 | -1100 | mV | IC = -1A, IB = 100mA | 3 | |
| Base-Emitter Turn-On Voltage | VBE(ON) | -850 | -1100 | mV | IC = -1A, VCE = -2.0V | 3 | |
| Output Capacitance | Cobo | 11 | pF | VCB = -10V, f = 1MHz | 3 | ||
| Turn-On Time | t(on) | 60 | ns | VCC = -10V, IC = -1A, IB1 = -IB2 = -100mA | 3 | ||
| Turn-Off Time | t(off) | 135 | ns | VCC = -10V, IC = -1A, IB1 = -IB2 = -100mA | 3 | ||
| Current Gain-Bandwidth Product | fT | 210 | MHz | VCE = -10V, IC = -50mA, f = 100MHz | 3 |
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 | • Terminals: Finish - Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 | 1 |
CAD (KiCad official)
- Symbol:
ZUMT718TA - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
zumt718ta-etched.step/zumt718ta-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);zumt718ta.step/zumt718ta.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (6 pp, sha256
ea10211ccf5a78d8, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).