What is Freeze Spray, and How is it Used in the Electronics Industry?

Freeze spray is a cooling agent that rapidly lowers the temperature of electronic components to help diagnose overheating issues and identify intermittent faults. It is commonly used for troubleshooting electronic circuits, allowing technicians to pinpoint heat-sensitive failures and confirm or rule out faults in circuit boards. Freeze spray is effective for circuit testing because it cools specific areas of a PCB (printed circuit board) quickly and without residue. This instant cooling enables technicians to isolate and identify components that may be causing intermittent failures due to heat. By applying freeze spray directly to a suspected faulty component, the rapid cooling can indicate whether heat is affecting the component’s performance. If the component’s behavior changes with cooling, it is likely heat-sensitive, helping to narrow down and identify faults.

How Does Freeze Spray Work for Identifying Faults?

Freeze spray can be used in any repair step where diagnosing overheating or locating thermal intermittent flaws is required. It is especially useful for stabilizing sensitive components during hand soldering and testing. By applying freeze spray directly to a suspected faulty component, the rapid cooling can indicate whether heat is affecting the component’s performance. If the component’s behavior changes with cooling, it is likely heat-sensitive, helping to narrow down and identify faults. Freeze spray can chill surfaces to temperatures below -45˚F (-43ºC), and in certain conditions, as low as -60˚F (-51ºC). These low temperatures are critical for effective troubleshooting as they allow for immediate changes in component behavior, which aids in identifying faulty components quickly.

Is Freeze Spray Safe to Use on all Electronic Components?

Freeze spray is generally safe for most electronic components, particularly MicroCare’s freeze sprays, which are nonflammable and plastic-safe. However, some sensitive or brittle components should be handled with care, as extreme cooling may affect their integrity. Freeze spray is suitable for both new and old equipment, making it versatile for various electronics testing and repair applications across different devices.

Are MicroCare freeze sprays environmentally friendly?

MicroCare freeze sprays, also known as circuit chillers , meet environmental compliance standards, including RoHS, WEEE, REACH, and EPA SNAP. The HFO-blend freeze spray is also ozone-safe and has an ultra-low Global Warming Potential, making it an environmentally responsible option. MicroCare freeze sprays use HFC and HFO propellants, which prevent the component-shattering thermal shock that can occur with HCFC-based products. This offers a gentler, safer cooling solution for modern electronics while being environmentally compliant.

General Purpose Freeze Spray (Circuit Chiller)

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Product Information

This circuit chiller freeze spray quickly locates intermittent faults in circuit boards

Applications:

Use for circuit test and repair
Works on old and new equipment

Features:

No residue / no rinsing
Leaves ice on the PCB momentarily to freez-it
Dries instantly
Chills to lower than -45˚F/-43ºC in seconds; may go as low as -60˚F/-51˚C depending upon ambient conditions
Safe on plastics
Chemical Family: HFC blend
Nonflammable for better safety
>RoHS/WEEE/REACH/EPA SNAP compliant
NSN: 6850-01-409-2602

This ultra-pure circuit chiller freeze spray uses an HFC propellant. So, it will not generate the component-shattering thermal shock that can occur with old-style HCFC-based chillers. Also available in an anti-static version.

Product Details

Product Image	Part Number	Package	Weight	Size	Technical Data Sheet	Safety Data Sheet
	FRZ MCC-FRZ	Aerosol	0.28 kg 0.61 lb.	300 ml 10 oz.	TDS USA (ENGLISH) (opens in a new tab) Spanish (opens in a new tab)	SDS Lookup (opens in a new tab)

Part Number	MCC-FRZ
Package	Aerosol
Weight	0.28 kg 0.61 lb.
Size	300 ml 10 oz.
Technical Data Sheet	TDS
Safety Data Sheet	SDS

Appearance	Clear, colorless gas
Odor	Slight, Ether
PEL (ppm, 8-hr TWA)	1000
Boiling Point	-26ºC / -16ºF
Chemical Family	HFC
F-Gas Compliant
Evaporation Rate	Instant
Cleaning Strength (Kb)	N/A
Active Ingredients	HFC propellant
Flashpoint	None
VOC Organic Content (g/L)	Zero
Ozone Impact	Zero
RoHS & WEEE Compliant
Safety Rating	Non-flammable
Vapor Pressure @ 20ºC	96 PSIA

Product Information

Applications:

Features:

Product Details

Safety Data Sheet

AEROSOL

Technical Data Sheet

Electronics