component
JSM4953
Public Made by Adomby adom
JSMSEMI MOSFETs, SOP-8. 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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README
markdownJSM4953
JSMSEMI · MOSFETs · SOP-8
JSM4953 from JSMSEMI, in a SOP-8. 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 | S1 | passive | Source of channel 1 of the dual P-channel -30V MOSFET; the drain-source diode forward current is limited to -1.3 A maximum continuous. |
| 2 | G1 | input | Gate of channel 1; gate-source voltage is rated at ±20 V maximum. |
| 3 | S2 | passive | Source of channel 2 of the dual P-channel -30V MOSFET; the drain-source diode forward current is limited to -1.3 A maximum continuous. |
| 4 | G2 | input | Gate of channel 2; gate-source voltage is rated at ±20 V maximum. |
| 5 | D2 | passive | Drain of channel 2; drain-source voltage is rated at -30 V with continuous drain current of -5.3 A and pulsed drain current of -20 A. |
| 6 | D2 | passive | Drain of channel 2 (second drain pin, same net); drain-source voltage is rated at -30 V with continuous drain current of -5.3 A and pulsed drain current of -20 A. |
| 7 | D1 | passive | Drain of channel 1; drain-source voltage is rated at -30 V with continuous drain current of -5.3 A and pulsed drain current of -20 A. |
| 8 | D1 | passive | Drain of channel 1 (second drain pin, same net); drain-source voltage is rated at -30 V with continuous drain current of -5.3 A and pulsed drain current of -20 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | -30 | V | Ta=25℃ (maximum ratings) | 1 | ||
| Gate-Source Voltage | VGS | -20 | 20 | V | Ta=25℃ (maximum ratings) | 1 | |
| Continuous Drain Current | ID | -5.3 | A | Ta=25℃ (maximum ratings) | 1 | ||
| Pulsed Drain Current | IDM | -20 | A | Ta=25℃ (maximum ratings) | 1 | ||
| Maximum Power Dissipation | PD | 2 | W | Ta=25℃ (maximum ratings) | 1 | ||
| Junction Temperature | TJ | 150 | ℃ | 1 | |||
| Storage Temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 125 | ℃/W | t ≤5s | 1 | ||
| Thermal Resistance Junction to Ambient (single pulse, figure note) | RθJA | 135 | °C/W | Single pulse, TA = 25°C (Figs. 10 and 11 note) | 4 | ||
| Drain-Source Breakdown Voltage | BVDSS | -30 | V | VGS = 0 V, ID = –250 μA | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | -1 | μA | VDS = –24 V, VGS = 0 V | 2 | ||
| Gate–Body Leakage, Forward | IGSSF | -100 | nA | VGS = –20 V, VDS = 0 V | 2 | ||
| Gate–Body Leakage, Reverse | IGSSR | 100 | nA | VGS = 20 V, VDS = 0 V | 2 | ||
| Gate Threshold Voltage | VGS(th) | -1 | -1.7 | -3 | V | VDS = VGS, ID = –250 μA | 2 |
| Static Drain–Source On–Resistance | RDS(on) | 54 | 59 | mΩ | VGS = –10 V, ID = –5.3 A | 2 | |
| Static Drain–Source On–Resistance | RDS(on) | 84 | 89 | mΩ | VGS = –4.5 V, ID = –4.2 A | 2 | |
| On–State Drain Current | ID(on) | -20 | A | VGS = –10 V, VDS = –5.0 V | 2 | ||
| Forward Transconductance | gFS | 10 | S | VDS = –5 V, ID = –5 A | 2 | ||
| Total Gate Charge | Qg | 6 | 9 | nC | VDS = –15 V, ID = –5 A, VGS = –5 V | 2 | |
| Maximum Continuous Drain–Source Diode Forward Current | IS | -1.3 | A | 2 | |||
| Drain–Source Diode Forward Voltage | VSD | -0.8 | -1.2 | V | VGS = 0 V, IS = –2.6 A | 2 |
CAD (KiCad official)
- Symbol:
JSM4953 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
jsm4953-etched.step/jsm4953-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jsm4953.step/jsm4953.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JSMSEMI datasheet (5 pp, sha256
6d5549f4c16aeb2f, retrieved 2026-10-09, 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).