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October 2020 – Littelfuse’s Solutions for Ventilators, Defibrillators and Ultrasound Scanners

Published on: 15/10/2020

Discover Littelfuse’s extensive range of medical equipment solutions

Littelfuse Solutions for Ventilators, Defibrillators and Ultrasound Scanners

Littelfuse is a global leader in circuit protection and offers a broad product portfolio, covering every aspect of protection, sensing and control.

The COVID-19 pandemic has led to the immediate requirements for pulmonary, cardio-vascular, diagnostic systems and other general patient care equipment. There is a worldwide shortage of ventilators due to COVID-19, for example, in 2019 77,000 pieces were enough for the entire planet vs April 2020 when New York City alone needs 30,000 pieces.

According to Fortune Business Insights, the global defibrillator market is expected to grow at a CAGR of 5.3%, the increasing prevalence of out-of-hospital cardiac arrest, congenial heart diseases, obesity, diabetes etc. is expected to boost the growth of external defibrillators. The global ultrasound equipment market is set to grow at a CAGR of 5.1% due to technology advancements, especially with smartphone connectivity along with improvements in diagnostic procedures and point-of-care testing.

Littelfuse is able to help provide robust designs and high quality components needed to help with reliable medical operation and equipment up-time.

 

Reasons to use Littelfuse products and shop with GD Rectifiers:

 

Application expertise

GD Rectifiers team of engineers partner directly with customers to help speed up product design and production

 

Global customer service

Littelfuse boasts a global customer service team ready to ensure customers a fast and seamless experience

 

Compliance and regulation

GD Rectifiers and Littelfuse help customers with the design process to account for requirements set by global regulatory authorities

 

Testing capabilities

Littelfuse offer certification testing to global regulatory standards to help customers get products to market faster

 

Global manufacturing

Littelfuse offers high-volume manufacturing and are committed to the highest quality standards

 

Littelfuse Solutions for Ventilators by GD Rectifiers

 

Benefits of Littelfuse Products for Ventilators

Technology Function in application Product series Benefits Features
Fuse, PPTC Protect power stage from overcurrent events 215, 150, LVR Reduces customer qualification time, compact design Resettable option; third-party compliance UL/IEC; low internal resistance, shock safe
MOV, MLV Protects form voltage surges, such as lighting and transients UltraMOV, MLA Reduces customer qualification time, compact design High energy absorption capability: 40J-530J (2ms)
TVS diode Protects from voltage transients SMCJ33CA, SMBJ36A Clamping transients to safe levels Fast response time <1 ps; small form factor
Schottky diode Rectification and blocking in power supply units DST560S Enables the design of the high-efficiency power supplies Ultra-low forward voltage drop; high frequency operation
Solid state relay Isolation switch CPC1017N, PLA134S High reliability and electrical isolation; robust design; no EMI/RFI generation Up to 3750 VRMS input/output isolation; UL/IEC certified; low drive power
PPTC Protect BMS MOSFET from high currents due to external shorts 2016L, 1206L Reduces customer qualification time, compact design Surface mountable, third-party compliance UL/IEC
Diode array ESD protection for BMS SP05, SP1305, SP1001 Multiline protections, compact design Fast response time; small form factor
TVS diode Protects BMS from voltage transients SMA6J28A, SMF, 1.5SMC Clamping transients to safe levels Low inductance; excellent clamping
NTC To sense ambient temperature of the board LC Provides accurate temperature (component/ambient) for enabling safe device operation High reliability; small form factor; fast thermal response
Diode array, TVS diode Protect ICs from ESD through display SP1103, SMF3.3A Multiline protection, compact design Low capacitance of 1.0Pf per I/O
Diode array Protection of data lines and equipment from ESD and lighting SP3019, SP3400 Clamp transient to a safe level preventing catastrophic failure, compact design Low capacitance 0.3Pf; leakage current (0.01μA): small form factor μDFN
Temperature indicator Protect USB-C plugs and receptacles from overheating setPTM Helps improve reliability and user experience Fast response to thermal events; small form factor; zero IR loss contribution
PPTC Overcurrent protection for USB chipset MiniSMDC, 0805L Auto reset after fault is removed; allows for compact design Resettable; low resistance; compact design
MLV ESD protection for data lines MLA Fast clamping response; rigid performance under high temperatures Bidirectional clamping, low form factor; wide operational temperature range

 

Littelfuse Solutions for Defibrillators

Littelfuse Solutions for Defibrillators by GD Rectifiers


Benefits of Littelfuse Products for Defibrillators

Technology Function in application Product series Benefits Features
Fuse Protection against short circuit and overload conditions 313 Reduces damage to equipment compact design; energy efficiency protection Third-party compliance; low internal resistance
Varistor Protection against severe surge transients UltraMOV Reduces customer qualification time by complying with third-party safety standards High energy absorption capability; small package; operating temperature up to 125°C
PPTC Protection against short circuit NanoSMD, femtoSMD Offers fast response to over current events; suitable for compact portable devices Ultra-low internal resistance; higher current holding in smallest SMD package
Diode array Surge and ESD protection SP11xx Ensure safety of equipment from repetitive ESD strikes without performance degradation Low leakage current of 100nA; small form factor; multiple voltages available
Diode array Protects touchscreen ICs from user-induced ESD events MLA Fast clamping response; rigid performance under high temperatures Bidirectional clamping; low form-factor; wide operational temperature range
PPTC Protect 5 VDC power supply from overcurrent and over temperature LoRho Offers fast response to over current events; suitable for compact portable devices Ulta-low internal resistance; higher current holding in smallest SMD package
Diode array Protection of data lines and equipment from ESD and lighting SP3019, SP3400 Clamp transient to a safe level preventing catastrophic failure; compact design Low capacitance 0.3Pf; leakage current (0.1μA); small form factor μDFN
IGBT Controlling biphasic voltage wave form applied to patient Discrete IGBTs Lower heat signatures; fast switching response to high currents Ultra low on state resistance; fast switching speed
Gate driver To drive high power IGBTs IXD_604, IXD_609 Quick turn-on and turn-off of power IGBT; eliminates the need for separate supply 9A peak current; low propagation delay time
Reed sensor Proximity sensor to detect the position of the handle Custom sensor Different customisation options (new package, modification of existing package, etc.) Wide array of sensor output options with engineering services
Solid state relay Switch high voltage pulses to the patient during defibrillation CPC1966B Enables robust design; high noise immunity High noise immunity; rapid turn-on; 5mA sensitivity
Polymer ESD suppressor Protects the Wi-Fi chipset from user-induced EDS events PGB10603, PGB10402 Enables compact design and low clearance between antenna and casing; retains RF signal integrity; improves system reliability Ultra-low capacitance; compact form factor; low leakage current; fast response time

 

Littelfuse Solutions for Portable Ultrasound Scanners by GD Rectifiers

Benefits of Littelfuse Products for Portable Ultrasound Scanners

Technology Function in application Product series Benefits Features
PPTC Protection against short circuit and overload current conditions NanoSMD, femtoSMD Offers fast response to over current events; suitable for compact portable devices Ultra-low internal resistance; higher current holding in smallest SMD package
Diode array Surge and ESD protection SP11xx Ensure safety of equipment from repetitive ESD strikes without performance degradation Low leakage current of 100Na; small form factor; multiple voltages available
Diode array Protects touchscreen ICs from user-induced ESD events SP1103 Helps comply with IEC standards (61000-4-2: ±15 kV, ±30Kv air; 61000-4-4: 40A (5/50Ns); enables a compact design; retains high signal integrity Low dynamic resistance; five-channel protection in a small 0402 footprint; maintains high signal integrity
PPTC Protect 5 VDC power supply from over current and over temperature LoRho Offers fast response to over current events; suitable for compact portable devices Ultra-low internal resistance; higher current holding in smallest SMD package
Diode array Protection of data lines against ESD SP3019, SP3400 Clamp transient to a safe level preventing catastrophic failure; compact design Low capacitance 0.3pF leakage and leakage current (0.01μA); small form factor μDFN
MOSFET Used as a switch to generate high-frequency pulse by varying the external gate resistance HiPerFETs Small package allows space saving and ease of mounting; high power density Up to 1200V with fast intrinsic diodes; low Rdson per silicon area; high-speed switching; excellent thermal performance
Fast recovery diodes Rectification of high-frequency pulse HIPERDYN Avalanche voltage rated for reliable operation; soft reverse recovery for low EMI/RFI; low power dissipation VRRM from 300, 600 and 1200V; Ifav range: 6A to 55A; very low capacitance <15pf
Polymer ESD suppressor Protects the Wi-Fi chipset from user-induced ESD events PGB10603, PGB10402 Enables compact design and low clearance between antenna and casing; retains RF signal integrity; improves system reliability Ultra-low capacitance; compact form factor; low leakage current; fast response time

 

Learn more about the benefits of Littelfuse components and view the full presentation from Littelfuse here.

 

GD Rectifiers has access to Littelfuse products, including: fuses, specialty fuses, resettable PTC fuses, medium voltage fuses, industrial power and UL fuses, varistors, LED protectors, surface mount LED protectors, arc flash detection, TVS diodes, solar arc flash detection, solar protection arrays, solar protection relays, solar surge protection devices, solar TVS diodes, solar rated varistors, LED lighting surge protection modules and type 2 surge protection devices.

 

For further information on Littelfuse’s product range, or to receive a quote, please call GD Rectifiers on: 01444 243 452 or email: enquiries@gdrectifiers.co.uk.

 

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