Key facts
- Brand
- Fairchild
- Model
- FQS4900
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-12
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Fairchild FQS4900 Dual N & P-Channel MOSFET Datasheet
The FQS4900 is a dual N‑ and P‑channel enhancement‑mode power MOSFET produced with Fairchild’s planar stripe DMOS technology. It is designed for low on‑state resistance, fast switching, and high energy‑pulse capability, making it suitable for telephone set interfaces and other applications.
The document lists absolute maximum ratings, detailed electrical characteristics, typical performance curves, and package dimensions (8‑SOP). It also includes trademark information, disclaimer, and product status definitions.
Fairchild FQS4900 specifications
| Drain‑Source Voltage (VDS) N‑Channel | 60 V |
|---|---|
| Drain‑Source Voltage (VDS) P‑Channel | -300 V |
| Continuous Drain Current (ID) at 25 °C N‑Channel | 1.3 A |
| Continuous Drain Current (ID) at 25 °C P‑Channel | -0.3 A |
| On‑Resistance (RDS(on)) N‑Channel | 0.55 Ω (VGS=10 V) |
| Total Gate Charge (Qg) N‑Channel | 1.6 nC |
| Power Dissipation (PD) at 25 °C | 2.0 W |
| Thermal Resistance (RθJA) | 62.5 °C/W |
| Package | 8‑SOP |
Source: Fairchild FQS4900 Dual N & P-Channel MOSFET Datasheet
All Fairchild FQS4900 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What are the maximum drain‑source voltages for the N‑channel and P‑channel devices?
The N‑channel can withstand up to 60 V, while the P‑channel can handle up to –300 V.
From: Fairchild FQS4900 Dual N & P-Channel MOSFET Datasheet
What is the continuous drain current rating at 25 °C for each channel?
The N‑channel is rated for 1.3 A and the P‑channel for –0.3 A continuous drain current at 25 °C.
From: Fairchild FQS4900 Dual N & P-Channel MOSFET Datasheet
What are the maximum drain‑source voltages for the N‑channel and P‑channel of the FQS4900?
The N‑channel is rated for 60 V and the P‑channel for –300 V.
From: Fairchild FQS4900 Dual N & P-Channel MOSFET Datasheet
What is the continuous drain current rating at 25 °C?
The device can handle 1.3 A continuously for the N‑channel and –0.3 A for the P‑channel.
From: Fairchild FQS4900 Dual N & P-Channel MOSFET Datasheet