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CPAP ventilator

CPAP ventilators use high-performance brushless DC (BLDC) motors and sensitive pressure sensors to maintain breathing cycles. During motor speed changes and airflow regulation, electrical noise, surge and transient voltages can occur, affecting control stability and patient comfort. These issues demand robust EMC protection using surge, transient, ESD and EMI filtering components to ensure stable, quiet and reliable operation.

Block diagram
Find products and reference designs for your system.
CPAP ventilatorBlock diagram

Products

Reference designs

Gas discharge tubes (2)

2R600L-5.5×6

-- 2R600L-5.5×6, 2-electrode GDT, 600V DC breakdown, ±20%, 5kA (8/20µs), ≤1pF.

2R600L-8×6

-- 2R600L-8×6, 2-electrode gas discharge tube, 600V DC breakdown voltage, ±20% tolerance, 10kA (8/20µs) impulse discharge current, ≤1pF, ITU-T K.12 compliant, for primary lightning protection.

Varistors (2)

Gas discharge tubes (2)

2R090L-5.5×6

-- 2R090L-5.5×6, 2-electrode GDT, 90V DC breakdown, ±20%, 5kA (8/20µs), ≤1pF.

2R090L-8×6

-- 2R090L-8×6, 2-electrode GDT, 90V DC breakdown, ±20%, 10kA (8/20µs), ≤1pF.

Varistors (1)

Tvs diodes (2)

Common mode choke (1)

Esd protection diodes (2)

ESD3V3D8B

-- Enhanced ESD diode protects 3.3V signal lines in compact designs.

ESD15VAPB

-- 15V operating voltage, dual-line low clamping TVS array optimized for communication transient suppression

Esd protection diodes (1)

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Esd protection diodes (2)

ESDLC5V0D8B

-- DFN1006 bidirectional TVS diode rated at 5V for single data line protection

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Tvs diodes (1)

Common mode choke (1)

Esd protection diodes (2)

ESD15VAPB

-- 15V operating voltage, dual-line low clamping TVS array optimized for communication transient suppression

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Tvs diodes (1)

Gas discharge tubes (3)

3R090L-5×7.6

-- 3R090L-5×7.6, 3-electrode GDT, 90V DC breakdown, ±20%, 5kA (8/20µs), ≤1pF.

3R090L-6×8

-- 3R090L-6×8, 3-electrode GDT, 90V DC breakdown, ±20%, 10kA (8/20µs), ≤1pF.

3R090L-8×10

-- 3R090L-8×10, 3-electrode GDT, 90V DC breakdown, ±20%, 10kA (8/20μs), ≤1pF.

Esd protection diodes (1)