ESD Protection Diodes / TVS Diodes

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SMF4L 400W Surface Mount Diodes

Littelfuse SMF4L 400W Surface Mount Diodes consist of a SOD-123FL small and flat lead low-profile package designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The SMF4L features 400W peak pulse power capability at 10/1000µs waveform with a repetition rate (duty cycle) of 0.1%. The diodes are compatible with industrial standard package SOD-123FL and offer a low inductance with excellent clamping capability in a low profile package of 0.98 maximum height.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PHP) Filter the results in the table by unit price based on your quantity.	Qty.	Polarity	Number of Channels	Working Voltage	Termination Style	Clamping Voltage	Breakdown Voltage	Package / Case	Peak Pulse Current	Pppm - Peak Pulse Power Dissipation	Vesd - Voltage ESD Contact	Vesd - Voltage ESD Air Gap	Minimum Operating Temperature	Maximum Operating Temperature	Product	Series	Qualification	Packaging
ESD Protection Diodes / TVS Diodes 400W 64V 5% Uni-directional SMF4L64A Littelfuse 1: ₱33.74 37,783In Stock	Mfr. Part # SMF4L64A Mouser Part # 576-SMF4L64A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 64V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	37,783In Stock	Cut Tape ₱33.74 ₱16.32 ₱13.25 ₱10.61 Reel ₱5.77 View ₱8.90 ₱5.64 ₱5.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	64 V	SMD/SMT	103 V	71.1 V	SOD-123-2	3.9 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 11V SMF4L11CA Littelfuse 1: ₱36.81 18,325In Stock	Mfr. Part # SMF4L11CA Mouser Part # 576-SMF4L11CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 11V Learn More about Littelfuse smf4l diodes	Datasheet	18,325In Stock	Cut Tape ₱36.81 ₱22.58 ₱14.42 ₱11.96 Reel ₱7.30 View ₱9.75 ₱7.24 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	11 V	SMD/SMT	18.2 V	12.2 V	SOD-123-2	22 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - A 180V SMF4L180A Littelfuse 1: ₱36.81 2,590In Stock	Mfr. Part # SMF4L180A Mouser Part # 576-SMF4L180A	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - A 180V Learn More about Littelfuse smf4l diodes	Datasheet	2,590In Stock	Cut Tape ₱36.81 ₱22.58 ₱14.42 ₱11.96 Reel ₱7.91 View ₱9.75 ₱7.48 ₱7.24	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	180 V	SMD/SMT	292 V	201 V	SOD-123-2	700 mA	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape
ESD Protection Diodes / TVS Diodes SMF4L - A 160V SMF4L160A Littelfuse 1: ₱36.81 2,616In Stock	Mfr. Part # SMF4L160A Mouser Part # 576-SMF4L160A	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - A 160V Learn More about Littelfuse smf4l diodes	Datasheet	2,616In Stock	Cut Tape ₱36.81 ₱22.58 ₱14.42 ₱11.96 Reel ₱7.85 View ₱9.75 ₱7.61 ₱7.48 ₱7.24	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	160 V	SMD/SMT	259 V	178 V	SOD-123-2	800 mA	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape
ESD Protection Diodes / TVS Diodes SMF4L - A 110V SMF4L110A Littelfuse 1: ₱36.81 2,980In Stock	Mfr. Part # SMF4L110A Mouser Part # 576-SMF4L110A	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - A 110V Learn More about Littelfuse smf4l diodes	Datasheet	2,980In Stock	Cut Tape ₱36.81 ₱22.58 ₱14.42 ₱11.96 Reel ₱7.91 View ₱9.75 ₱7.61 ₱7.48 ₱7.24	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	110 V	SMD/SMT	177 V	122 V	SOD-123-2	1.1 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape
ESD Protection Diodes / TVS Diodes SMF4L - CA 14V SMF4L14CA Littelfuse 1: ₱38.04 47,650In Stock	Mfr. Part # SMF4L14CA Mouser Part # 576-SMF4L14CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 14V Learn More about Littelfuse smf4l diodes	Datasheet	47,650In Stock	Cut Tape ₱38.04 ₱17.67 ₱14.91 ₱11.72 Reel ₱7.36 View ₱10.61 ₱6.99 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	14 V	SMD/SMT	23.2 V	15.6 V	SOD-123-2	17.2 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-directional SMF4L17A Littelfuse 1: ₱35.58 14,972In Stock 9,000Expected 12/01/2027	Mfr. Part # SMF4L17A Mouser Part # 576-SMF4L17A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	14,972In Stock 9,000Expected 12/01/2027	Cut Tape ₱35.58 ₱17.06 ₱14.05 ₱10.92 Reel ₱7.12 View ₱9.94 ₱6.81 ₱6.50 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	17 V	SMD/SMT	27.6 V	18.9 V	SOD-123-2	14.5 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-directional SMF4L24A Littelfuse 1: ₱33.74 44,069In Stock	Mfr. Part # SMF4L24A Mouser Part # 576-SMF4L24A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	44,069In Stock	Cut Tape ₱33.74 ₱16.14 ₱12.94 ₱9.88 Reel ₱6.69 View ₱9.69 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	24 V	SMD/SMT	38.9 V	26.7 V	SOD-123-2	10.3 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 26V 5% Uni-directional SMF4L26A Littelfuse 1: ₱30.68 23,765In Stock	Mfr. Part # SMF4L26A Mouser Part # 576-SMF4L26A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 26V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	23,765In Stock	Cut Tape ₱30.68 ₱16.14 ₱13.68 ₱10.61 Reel ₱7.48 View ₱9.69 ₱6.93 ₱6.50 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	26 V	SMD/SMT	42.1 V	28.9 V	SOD-123-2	9.5 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 30V SMF4L30CA Littelfuse 1: ₱38.04 44,456In Stock 42,000Expected 19/10/2026	Mfr. Part # SMF4L30CA Mouser Part # 576-SMF4L30CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 30V Learn More about Littelfuse smf4l diodes	Datasheet	44,456In Stock 42,000Expected 19/10/2026	Cut Tape ₱38.04 ₱17.67 ₱14.91 ₱11.72 Reel ₱7.36 View ₱10.61 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	30 V	SMD/SMT	48.4 V	33.3 V	SOD-123-2	8.3 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 33V 5% Uni-directional SMF4L33A Littelfuse 1: ₱33.13 51,297In Stock 30,000Expected 19/11/2026	Mfr. Part # SMF4L33A Mouser Part # 576-SMF4L33A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 33V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	51,297In Stock 30,000Expected 19/11/2026	Cut Tape ₱33.13 ₱16.14 ₱13.68 ₱10.61 Reel ₱6.69 View ₱9.69 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	33 V	SMD/SMT	53.3 V	36.7 V	SOD-123-2	7.5 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-directional SMF4L48A Littelfuse 1: ₱34.97 30,848In Stock	Mfr. Part # SMF4L48A Mouser Part # 576-SMF4L48A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	30,848In Stock	Cut Tape ₱34.97 ₱16.14 ₱13.68 ₱10.61 Reel ₱6.69 View ₱9.69 ₱6.07 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	48 V	SMD/SMT	77.4 V	53.3 V	SOD-123-2	5.2 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 48V SMF4L48CA Littelfuse 1: ₱38.04 56,597In Stock	Mfr. Part # SMF4L48CA Mouser Part # 576-SMF4L48CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 48V Learn More about Littelfuse smf4l diodes	Datasheet	56,597In Stock	Cut Tape ₱38.04 ₱17.67 ₱14.91 ₱11.72 Reel ₱8.22 View ₱10.61 ₱7.67 ₱7.42 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	48 V	SMD/SMT	77.4 V	53.3 V	SOD-123-2	5.2 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 5V 5% Uni-directional SMF4L5.0A Littelfuse 1: ₱33.74 16,637In Stock	Mfr. Part # SMF4L5.0A Mouser Part # 576-SMF4L5.0A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 5V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	16,637In Stock	Cut Tape ₱33.74 ₱16.14 ₱13.25 ₱10.37 Reel ₱6.69 View ₱9.14 ₱6.38 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	5 V	SMD/SMT	9.2 V	6.4 V	SOD-123-2	40.1 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 51V SMF4L51CA Littelfuse 1: ₱38.04 21,130In Stock	Mfr. Part # SMF4L51CA Mouser Part # 576-SMF4L51CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 51V Learn More about Littelfuse smf4l diodes	Datasheet	21,130In Stock	Cut Tape ₱38.04 ₱17.67 ₱14.91 ₱11.96 Reel ₱8.22 View ₱7.67 ₱7.30 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	51 V	SMD/SMT	82.4 V	56.7 V	SOD-123-2	4.9 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - A 100V SMF4L100A Littelfuse 1: ₱38.04 8,136In Stock	Mfr. Part # SMF4L100A Mouser Part # 576-SMF4L100A	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - A 100V Learn More about Littelfuse smf4l diodes	Datasheet	8,136In Stock	Cut Tape ₱38.04 ₱17.67 ₱14.91 ₱11.72 ₱10.61 Reel ₱7.36	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	100 V	SMD/SMT	162 V	111 V	SOD-123-2	1.2 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape
ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-directional SMF4L10A Littelfuse 1: ₱30.68 5,440In Stock	Mfr. Part # SMF4L10A Mouser Part # 576-SMF4L10A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	5,440In Stock	Cut Tape ₱30.68 ₱16.14 ₱12.45 ₱10.61 Reel ₱6.69 View ₱9.69 ₱6.50 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	10 V	SMD/SMT	17 V	11.1 V	SOD-123-2	23.5 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L	AEC-Q100	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 10V SMF4L10CA Littelfuse 1: ₱38.04 7,344In Stock	Mfr. Part # SMF4L10CA Mouser Part # 576-SMF4L10CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 10V Learn More about Littelfuse smf4l diodes	Datasheet	7,344In Stock	Cut Tape ₱38.04 ₱17.67 ₱14.91 ₱11.72 Reel ₱7.36 View ₱10.61 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	10 V	SMD/SMT	17 V	11.1 V	SOD-123-2	23.5 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-directional SMF4L12A Littelfuse 1: ₱31.90 2,891In Stock 9,000On Order	Mfr. Part # SMF4L12A Mouser Part # 576-SMF4L12A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	2,891In Stock 9,000On Order On Order Ship Dates Mfr. #: SMF4L12A Stock: 2,891 Can Ship Immediately On Order: 3,000 Expected 11/01/2027 6,000 Expected 08/02/2027 Factory Lead-Time: 18 Weeks	Cut Tape ₱31.90 ₱16.14 ₱12.39 ₱9.69 Reel ₱6.69 View ₱8.90 ₱6.20 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	12 V	SMD/SMT	19.9 V	13.3 V	SOD-123-2	20.1 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 12V SMF4L12CA Littelfuse 1: ₱39.26 35In Stock 27,000On Order	Mfr. Part # SMF4L12CA Mouser Part # 576-SMF4L12CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 12V Learn More about Littelfuse smf4l diodes	Datasheet	35In Stock 27,000On Order On Order Ship Dates Mfr. #: SMF4L12CA Stock: 35 Can Ship Immediately On Order: 9,000 Expected 19/11/2026 18,000 Expected 25/11/2026 Factory Lead-Time: 18 Weeks	Cut Tape ₱39.26 ₱18.71 ₱15.34 ₱12.21 Reel ₱7.85 View ₱10.92 ₱7.67 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	12 V	SMD/SMT	19.9 V	13.3 V	SOD-123-2	20.1 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 13V 5% Uni-directional SMF4L13A Littelfuse 1: ₱32.52 12,446In Stock	Mfr. Part # SMF4L13A Mouser Part # 576-SMF4L13A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 13V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	12,446In Stock	Cut Tape ₱32.52 ₱16.14 ₱13.68 ₱10.61 Reel ₱7.48 View ₱9.69 ₱6.93 ₱6.63 ₱6.44 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	13 V	SMD/SMT	21.5 V	14.4 V	SOD-123-2	18.6 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 13V SMF4L13CA Littelfuse 1: ₱34.97 1,162In Stock 9,000On Order	Mfr. Part # SMF4L13CA Mouser Part # 576-SMF4L13CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 13V Learn More about Littelfuse smf4l diodes	Datasheet	1,162In Stock 9,000On Order On Order Ship Dates Mfr. #: SMF4L13CA Stock: 1,162 Can Ship Immediately On Order: 3,000 Expected 07/01/2027 6,000 Expected 10/02/2027 Factory Lead-Time: 18 Weeks	Cut Tape ₱34.97 ₱17.67 ₱13.62 ₱10.92 Reel ₱7.36 View ₱9.88 ₱6.99 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	13 V	SMD/SMT	21.5 V	14.4 V	SOD-123-2	18.6 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-directional SMF4L14A Littelfuse 1: ₱35.58 3,550In Stock	Mfr. Part # SMF4L14A Mouser Part # 576-SMF4L14A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	3,550In Stock	Cut Tape ₱35.58 ₱17.06 ₱14.05 ₱10.92 Reel ₱7.12 View ₱9.94 ₱6.93 ₱6.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	14 V	SMD/SMT	23.2 V	15.6 V	SOD-123-2	17.2 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes SMF4L - CA 15V SMF4L15CA Littelfuse 1: ₱39.26 989In Stock 18,000On Order	Mfr. Part # SMF4L15CA Mouser Part # 576-SMF4L15CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF4L - CA 15V Learn More about Littelfuse smf4l diodes	Datasheet	989In Stock 18,000On Order On Order Ship Dates Mfr. #: SMF4L15CA Stock: 989 Can Ship Immediately On Order: 6,000 Expected 25/11/2026 12,000 Expected 12/01/2027 Factory Lead-Time: 18 Weeks	Cut Tape ₱39.26 ₱18.71 ₱15.34 ₱12.21 Reel ₱7.85 View ₱10.92 ₱7.67 ₱6.87 ₱6.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	1 Channel	15 V	SMD/SMT	24.4 V	16.7 V	SOD-123-2	16.4 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 400W 16V 5% Uni-directional SMF4L16A Littelfuse 1: ₱33.74 2,222In Stock 3,000Expected 22/01/2027	Mfr. Part # SMF4L16A Mouser Part # 576-SMF4L16A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 16V 5% Uni-directional Learn More about Littelfuse smf4l diodes	Datasheet	2,222In Stock 3,000Expected 22/01/2027	Cut Tape ₱33.74 ₱16.07 ₱13.25 ₱10.61 Reel ₱5.83 View ₱8.90 ₱5.77 ₱5.58 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	16 V	SMD/SMT	26 V	17.8 V	SOD-123-2	15.4 A	400 W	30 kV	30 kV	- 55 C	+ 150 C	TVS Diodes	SMF4L		Reel, Cut Tape, MouseReel