ESD Protection Diodes / TVS Diodes

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SZ1SMA 400W TVS Diodes

Littelfuse SZ1SMA 400W TVS Diodes are unidirectional and bidirectional devices designed to protect voltage-sensitive electronics from high-voltage, high-energy transients. Littelfuse SZ1SMA TVS Diodes have high clamping capability, high surge capability, low zener impedance, and fast response time (<1ns typical). Littelfuse SZ1SMA comes in a cost-effective, high-reliability package and is ideal for communication systems, automotive, medical equipment, and more.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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	Cd - Diode Capacitance	Vesd - Voltage ESD Contact	Vesd - Voltage ESD Air Gap	Minimum Operating Temperature	Maximum Operating Temperature	Product	Series	Qualification	Packaging
ESD Protection Diodes / TVS Diodes 30V 400W BI-DIR SZ1SMA AEC-Q101 SZ1SMA30CAT3G Littelfuse 1: $1.22 703In Stock 10,000Expected 17/2/2027	Mfr. Part No. SZ1SMA30CAT3G Mouser Part No 863-SZ1SMA30CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 30V 400W BI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	703In Stock 10,000Expected 17/2/2027	Cut Tape $1.22 $0.673 $0.499 $0.377 View Reel $0.237 $0.343 $0.314 $0.237 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	30 V	SMD/SMT	48.4 V	33.3 V	SMA (DO-214AC)	8.3 A	400 W	210 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 33V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA33AT3G Littelfuse 1: $1.05 3,794In Stock 5,000Expected 22/6/2027	Mfr. Part No. SZ1SMA33AT3G Mouser Part No 863-SZ1SMA33AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 33V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	3,794In Stock 5,000Expected 22/6/2027	Cut Tape $1.05 $0.50 $0.432 $0.336 View Reel $0.209 $0.318 $0.292 $0.209 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	33 V	SMD/SMT	53.3 V	36.7 V	SMA (DO-214AC)	7.5 A	400 W	375 pF			- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxxAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 43V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA43AT3G Littelfuse 1: $0.925 4,954In Stock	Mfr. Part No. SZ1SMA43AT3G Mouser Part No 863-SZ1SMA43AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 43V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	4,954In Stock	Cut Tape $0.925 $0.418 $0.369 $0.28 Reel $0.209 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	43 V	SMD/SMT	69.4 V	47.8 V	SMA (DO-214AC)	5.8 A	400 W	295 pF			- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxxAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 48V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA48AT3G Littelfuse 1: $1.14 2,790In Stock 5,000Expected 3/3/2027	Mfr. Part No. SZ1SMA48AT3G Mouser Part No 863-SZ1SMA48AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 48V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	2,790In Stock 5,000Expected 3/3/2027	Cut Tape $1.14 $0.53 $0.465 $0.364 Reel $0.209 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	48 V	SMD/SMT	77.4 V	53.3 V	SMA (DO-214AC)	5.2 A	400 W	265 pF			- 65 C	+ 150 C		SZ1SMAxxxAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 48V 400W BI-DIR SZ1SMA AEC-Q101 SZ1SMA48CAT3G Littelfuse 1: $1.16 5,368In Stock	Mfr. Part No. SZ1SMA48CAT3G Mouser Part No 863-SZ1SMA48CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 48V 400W BI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	5,368In Stock	Cut Tape $1.16 $0.528 $0.466 $0.356 View Reel $0.224 $0.343 $0.314 $0.224 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	48 V	SMD/SMT	77.4 V	53.3 V	SMA (DO-214AC)	5.2 A	400 W	135 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 5V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA5.0AT3G Littelfuse 1: $1.14 2,914In Stock 15,000On Order	Mfr. Part No. SZ1SMA5.0AT3G Mouser Part No 863-SZ1SMA5.0AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	2,914In Stock 15,000On Order On Order Ship Dates Mfr. No: SZ1SMA5.0AT3G Stock: 2,914 Can Dispatch Immediately On Order: 5,000 Expected 10/2/2027 10,000 Expected 4/10/2027 Factory Lead Time: 44 Weeks	Cut Tape $1.14 $0.53 $0.385 $0.307 View Reel $0.209 $0.295 $0.284 $0.209 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	5 V	SMD/SMT	9.2 V	6.4 V	SMA (DO-214AC)	43.5 A	400 W	2.035 nF			- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxxAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 58V 400W BI-DIR SZ1SMA AEC-Q101 SZ1SMA58CAT3G Littelfuse 1: $1.16 104In Stock 5,000Expected 24/5/2027	Mfr. Part No. SZ1SMA58CAT3G Mouser Part No 863-SZ1SMA58CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 58V 400W BI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	104In Stock 5,000Expected 24/5/2027	Cut Tape $1.16 $0.597 $0.466 $0.345 View Reel $0.235 $0.328 $0.314 $0.235 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	58 V	SMD/SMT	93.6 V	64.4 V	SMA (DO-214AC)	4.3 A	400 W	115 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 70V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA70AT3G Littelfuse 1: $1.10 3,700In Stock 5,000Expected 24/8/2027	Mfr. Part No. SZ1SMA70AT3G Mouser Part No 863-SZ1SMA70AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 70V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	3,700In Stock 5,000Expected 24/8/2027	Cut Tape $1.10 $0.50 $0.442 $0.336 View Reel $0.209 $0.326 $0.301 $0.209 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	70 V	SMD/SMT	113 V	77.8 V	SMA (DO-214AC)	3.5 A	400 W	190 pF			- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxxAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 36V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA36AT3G Littelfuse 1: $1.14 19,998On Order	Mfr. Part No. SZ1SMA36AT3G Mouser Part No 863-SZ1SMA36AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 36V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	19,998On Order On Order Ship Dates Mfr. No: SZ1SMA36AT3G Stock: 0 On Order: 4,998 Expected 12/1/2027 15,000 Expected 30/8/2027 Factory Lead Time: 44 Weeks	Cut Tape $1.14 $0.53 $0.465 $0.351 View Reel $0.22 $0.318 $0.292 $0.22 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	36 V	SMD/SMT	58.1 V	40 V	SMA (DO-214AC)	6.9 A	400 W	345 pF			- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxxAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 150V SZ1SMA150AT3G Littelfuse 1: $1.36 5,000Expected 15/6/2027	Mfr. Part No. SZ1SMA150AT3G Mouser Part No 576-SZ1SMA150AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 150V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	5,000Expected 15/6/2027	Cut Tape $1.36 $0.626 $0.552 $0.424 $0.392 Reel $0.302 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	150 V	SMD/SMT	243 V	167 V	SMA (DO-214AC)	1.7 A	400 W	127 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 33V 400W BI-DIR SZ1SMA AEC-Q101 SZ1SMA33CAT3G Littelfuse 1: $1.12 4,725Expected 31/8/2027	Mfr. Part No. SZ1SMA33CAT3G Mouser Part No 863-SZ1SMA33CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 33V 400W BI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	4,725Expected 31/8/2027	Cut Tape $1.12 $0.56 $0.473 $0.377 Reel $0.227 View $0.343 $0.314 $0.224 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	33 V	SMD/SMT	53.3 V	36.7 V	SMA (DO-214AC)	7.5 A	400 W	190 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 110V SZ1SMA110AT3G Littelfuse 1: $1.20 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA110AT3G Mouser Part No 576-SZ1SMA110AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 110V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape $1.20 $0.552 $0.488 $0.375 Reel $0.302 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	110 V	SMD/SMT	177 V	122 V	SMA (DO-214AC)	2.3 A	400 W	155 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 120V SZ1SMA120AT3G Littelfuse 5,000: $0.322 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA120AT3G Mouser Part No 576-SZ1SMA120AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 120V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.322	Min.: 5,000 Mult.: 5,000 : 5,000	Unidirectional	1 Channel	120 V	SMD/SMT	193 V	133 V	SMA (DO-214AC)	2.1 A	400 W	148 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 130V SZ1SMA130AT3G Littelfuse 1: $1.22 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA130AT3G Mouser Part No 576-SZ1SMA130AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 130V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape $1.22 $0.838 $0.581 $0.471 View Reel $0.322 $0.439 $0.411 $0.322 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	130 V	SMD/SMT	209 V	144 V	SMA (DO-214AC)	1.9 A	400 W	142 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 160V SZ1SMA160AT3G Littelfuse 5,000: $0.322 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA160AT3G Mouser Part No 576-SZ1SMA160AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 160V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.322	Min.: 5,000 Mult.: 5,000 : 5,000	Unidirectional	1 Channel	160 V	SMD/SMT	259 V	178 V	SMA (DO-214AC)	1.6 A	400 W	119 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 170V SZ1SMA170AT3G Littelfuse 5,000: $0.324 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA170AT3G Mouser Part No 576-SZ1SMA170AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 170V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.324	Min.: 5,000 Mult.: 5,000 : 5,000	Unidirectional	1 Channel	170 V	SMD/SMT	275 V	189 V	SMA (DO-214AC)	1.5 A	400 W	112 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 78V SZ1SMA78AT3G Littelfuse 5,000: $0.239 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA78AT3G Mouser Part No 576-SZ1SMA78AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 78V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.239	Min.: 5,000 Mult.: 5,000 : 5,000	Unidirectional	1 Channel	78 V	SMD/SMT	126 V	86.7 V	SMA (DO-214AC)	3.2 A	400 W	178 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel
ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 85V SZ1SMA85AT3G Littelfuse 1: $1.03 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA85AT3G Mouser Part No 576-SZ1SMA85AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 85V Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape $1.03 $0.563 $0.42 $0.333 View Reel $0.227 $0.318 $0.305 $0.227 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	85 V	SMD/SMT	137 V	94.4 V	SMA (DO-214AC)	2.9 A	400 W	173 pF	16 kV	16 kV	- 65 C	+ 150 C	TVS Diodes	SZS1MA		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 20V 400W BI-DIR AEC? Q101 SZ1SMA20CAT3G Littelfuse 1: $1.22 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA20CAT3G Mouser Part No 863-SZ1SMA20CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 20V 400W BI-DIR AEC? Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape $1.22 $0.764 $0.499 $0.377 View Reel $0.252 $0.343 $0.314 $0.252 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	20 V	SMD/SMT	32.4 V	23.37 V	SMA (DO-214AC)	12.3 A	400 W	305 pF	16 kV	16 kV	- 55 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 54V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA54AT3G Littelfuse 5,000: $0.246 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA54AT3G Mouser Part No 863-SZ1SMA54AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 54V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.246	Min.: 5,000 Mult.: 5,000 : 5,000	Unidirectional	1 Channel	54 V	SMD/SMT	87.1 V	60 V	SMA (DO-214AC)	4.6 A	400 W	240 pF			- 65 C	+ 150 C	TVS Diodes	SZ1SMAxxxAT3G	AEC-Q101	Reel
ESD Protection Diodes / TVS Diodes 60V 400W BI-DIR AEC? Q101 SZ1SMA60CAT3G Littelfuse 5,000: $0.254 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA60CAT3G Mouser Part No 863-SZ1SMA60CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 60V 400W BI-DIR AEC? Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.254	Min.: 5,000 Mult.: 5,000 : 5,000	Bidirectional	1 Channel	60 V	SMD/SMT	96.8 V	70.21 V	SMA (DO-214AC)	4.1 A	400 W	110 pF	16 kV	16 kV	- 55 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel
ESD Protection Diodes / TVS Diodes 78V 400W BI-DIR AEC? Q101 SZ1SMA78CAT3G Littelfuse 5,000: $0.253 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. SZ1SMA78CAT3G Mouser Part No 863-SZ1SMA78CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 78V 400W BI-DIR AEC? Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel $0.253	Min.: 5,000 Mult.: 5,000 : 5,000	Bidirectional	1 Channel	78 V	SMD/SMT	126 V	91.27 V	SMA (DO-214AC)	3.2 A	400 W	90 pF	16 kV	16 kV	- 55 C	+ 150 C	TVS Diodes	SZ1SMAxxCAT3G	AEC-Q101	Reel