SZ1SMB Series - Automotive and High Reliability TVS from TVS Diodes

SZ1SMB Series - 600W in SMB Package

The SZ1SMB series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, and fast response time. The SZ1SMB series is supplied in the Littelfuse exclusive, cost-effective, highly reliable package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications.

Features:

Zener Transient Overvoltage Suppressors
Peak Power − 600 W @ 1ms
ESD Rating of Class 3 (>16 kV) per Human Body Model
Response Time is Typically < 1 ns
Intended for UL 497B Type Protection
Low Profile Package
Pb-free means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD-609A.01)
SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable

Access specifications, certifications, check availability and order parts below

Catalog #	V_R (V_so)	Watts (W)	I_PP 10x1000μs (A)	MIN V_BR@I_T (V)	MAX V_BR@I_T (V)	V_c (V)	I_T (mA)	Ir@Vso (μA)	Max Temp (deg C)	Stock	Samples

SZ1SMB100AT3G	100	600	3.7	111.00	123.00	162	1	5.0	150	Check	Order
SZ1SMB10AT3G	10	600	35.3	11.10	12.30	17.0	1	5.0	150	Check	Order
SZ1SMB10CAT3G	10	600	35.3	11.10	12.27	17.0	1	5	150	Check	Order
SZ1SMB110AT3G	110	600	3.4	122.00	135.00	177	1	5.0	150	Check	Order
SZ1SMB11AT3G	11	600	33.0	12.20	13.50	18.2	1	5.0	150	Check	Order
SZ1SMB11CAT3G	11	600	33.0	12.20	13.50	18.2	1	5.0	150	Check	Order
SZ1SMB120AT3G	120	600	3.1	133.00	147.00	193	1	5.0	150	Check	Order
SZ1SMB12AT3G	12	600	30.2	13.30	14.70	19.9	1	5.0	150	Check	Order
SZ1SMB12CAT3G	12	600	30.2	13.30	14.70	19.9	1	5.0	150	Check	Order
SZ1SMB130AT3G	130	600	2.9	144.00	159.00	209	1	5.0	150	Check	Order
SZ1SMB13AT3G	13	600	27.9	14.40	15.90	21.5	1	5.0	150	Check	Order
SZ1SMB13CAT3G	13	600	27.9	14.40	15.90	21.5	1	5.0	150	Check	Order
SZ1SMB14AT3G	14	600	25.8	15.60	17.20	23.2	1	5.0	150	Check	Order
SZ1SMB14CAT3G	14	600	25.8	15.60	17.20	23.2	1	5.0	150	Check	Order
SZ1SMB150AT3G	150	600	2.5	167.00	185.00	243	1	5.0	150	Check	Order
SZ1SMB15AT3G	15	600	24.0	16.70	18.50	24.4	1	5.0	150	Check	Order
SZ1SMB15CAT3G	15	600	24.0	16.70	18.50	24.4	1	5.0	150	Check	Order
SZ1SMB160AT3G	160	600	2.3	178.00	197.00	259	1	5.0	150	Check	Order
SZ1SMB16AT3G	16	600	23.1	17.80	19.70	26.0	1	5.0	150	Check	Order
SZ1SMB16CAT3G	16	600	23.1	17.80	19.70	26.0	1	5.0	150	Check	Order
SZ1SMB170AT3G	170	600	2.2	189.00	209.00	275	1	5.0	150	Check	Order
SZ1SMB17AT3G	17	600	21.7	18.90	20.90	27.6	1	5.0	150	Check	Order
SZ1SMB17CAT3G	17	600	21.7	18.90	20.90	27.6	1	5.0	150	Check	Order
SZ1SMB18AT3G	18	600	20.5	20.00	22.10	29.2	1	5.0	150	Check	Order
SZ1SMB18CAT3G	18	600	20.5	20.00	22.10	29.2	1	5.0	150	Check	Order
SZ1SMB20AT3G	20	600	18.5	22.20	24.50	32.4	1	5.0	150	Check	Order
SZ1SMB20CAT3G	20	600	18.5	22.20	24.50	32.4	1	5.0	150	Check	Order
SZ1SMB22AT3G	22	600	16.9	24.40	26.90	35.5	1	5.0	150	Check	Order
SZ1SMB22CAT3G	22	600	16.9	24.40	27.00	35.5	1	5.0	150	Check	Order
SZ1SMB24AT3G	24	600	15.4	26.70	29.50	38.9	1	5.0	150	Check	Order
SZ1SMB24CAT3G	24	600	15.4	26.70	29.50	38.9	1	5.0	150	Check	Order
SZ1SMB26AT3G	26	600	14.2	28.90	31.90	42.1	1	5.0	150	Check	Order
SZ1SMB26CAT3G	26	600	14.2	28.90	31.90	42.1	1	5.0	150	Check	Order
SZ1SMB28AT3G	28	600	13.2	31.10	34.40	45.4	1	5.0	150	Check	Order
SZ1SMB28CAT3G	28	600	13.2	31.10	34.40	45.4	1	5.0	150	Check	Order
SZ1SMB30AT3G	30	600	12.4	33.30	36.80	48.4	1	5.0	150	Check	Order
SZ1SMB30CAT3G	30	600	12.4	33.30	36.80	48.4	1	5.0	150	Check	Order
SZ1SMB33AT3G	33	600	11.3	36.70	40.60	53.3	1	5.0	150	Check	Order
SZ1SMB33CAT3G	33	600	11.3	36.70	40.60	53.3	1	5.0	150	Check	Order
SZ1SMB36AT3G	36	600	10.3	40.00	44.20	58.1	1	5.0	150	Check	Order
SZ1SMB36CAT3G	36	600	10.3	40.00	44.20	58.1	1	5.0	150	Check	Order
SZ1SMB40AT3G	40	600	9.3	44.40	49.10	64.5	1	5.0	150	Check	Order
SZ1SMB40CAT3G	40	600	9.3	44.40	49.10	64.5	1	5.0	150	Check	Order
SZ1SMB43AT3G	43	600	8.6	47.80	52.80	69.4	1	5.0	150	Check	Order
SZ1SMB43CAT3G	43	600	8.6	47.80	52.80	69.4	1	5.0	150	Check	Order
SZ1SMB45AT3G	45	600	8.3	50.00	55.30	72.7	1	5.0	150	Check	Order
SZ1SMB45CAT3G	45	600	8.3	50.00	55.30	72.2	1	5.0	150	Check	Order
SZ1SMB48AT3G	48	600	7.7	53.30	58.90	77.4	1	5.0	150	Check	Order
SZ1SMB48CAT3G	48	600	7.7	53.30	58.90	77.4	1	5.0	150	Check	Order
SZ1SMB5.0AT3G	5.0	600	65.2	6.40	7.00	9.2	10	800	150	Check	Order
SZ1SMB51AT3G	51	600	7.3	56.70	62.70	82.4	1	5.0	150	Check	Order
SZ1SMB51CAT3G	51	600	7.3	56.70	62.70	82.4	1	5.0	150	Check	Order
SZ1SMB54AT3G	54	600	6.9	60.00	66.30	87.1	1	5.0	150	Check	Order
SZ1SMB54CAT3G	54	600	6.9	60.00	66.32	87.1	1	5.0	150	Check	Order
SZ1SMB58AT3G	58	600	6.4	64.40	71.20	93.6	1	5.0	150	Check	Order
SZ1SMB58CAT3G	58	600	6.4	64.40	71.18	93.6	1	5.0	150	Check	Order
SZ1SMB6.0AT3G	6.0	600	58.3	6.67	7.37	10.3	10	800	150	Check	Order
SZ1SMB6.5AT3G	6.5	600	53.6	7.22	7.98	11.2	10	500	150	Check	Order
SZ1SMB60AT3G	60	600	6.2	66.70	73.70	96.8	1	5.0	150	Check	Order
SZ1SMB60CAT3G	60	600	6.2	66.70	73.72	96.8	1	5.0	150	Check	Order
SZ1SMB64AT3G	64	600	5.8	71.10	78.60	103	1	5.0	150	Check	Order
SZ1SMB64CAT3G	64	600	5.8	71.10	78.58	103	1	5.0	150	Check	Order
SZ1SMB7.0AT3G	7.0	600	50.0	7.78	8.60	12.0	10	500	150	Check	Order
SZ1SMB7.5AT3G	7.5	600	46.5	8.33	9.21	12.9	1	100	150	Check	Order
SZ1SMB70AT3G	70	600	5.3	77.80	86.00	113	1	5.0	150	Check	Order
SZ1SMB75AT3G	75	600	4.9	83.30	92.10	121	1	5.0	150	Check	Order
SZ1SMB75CAT3G	75	600	4.9	83.30	92.07	121	1	5.0	150	Check	Order
SZ1SMB8.0AT3G	8.0	600	44.1	8.89	9.83	13.6	1	50	150	Check	Order
SZ1SMB8.5AT3G	8.5	600	41.7	9.44	10.40	14.4	1	10	150	Check	Order
SZ1SMB85AT3G	85	600	4.4	94.40	104.00	137	1	5.0	150	Check	Order
SZ1SMB9.0AT3G	9.0	600	39.0	10.00	11.10	15.4	1	5.0	150	Check	Order
SZ1SMB90AT3G	90	600	4.1	100.00	111.00	146	1	5.0	150	Check	Order

Part #	Part Description	RoHS	Pb-free	RoHS (2015/ 863/EU) Certificate	REACH (SVHC’s) Declaration	Halogen Free	REACH (SVHC’s)
SZ1SMB100AT3G	600 Watt SMB Transient Voltage Suppressor 100 V Unidirectional	No 10/29/2017	No 10/29/2017		REACH209_Declaration_-Contain-_SZ1SMB100AT3G_12-23-2020	Yes 10/29/2017	Contains
SZ1SMB10AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB10CAT3G	600 Watt SMB Transient Voltage Suppressor 10 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB110AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB11AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB11CAT3G	600 Watt SMB Transient Voltage Suppressor 11 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB120AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB12AT3G	Transient Voltage Suppressor Unidirectional 12 V 600 Watt	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB12CAT3G	Transient Voltage Suppressor Bidirectional 12 V 600 Watt	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB130AT3G		No 05/31/2018	No 05/31/2018			Yes 05/31/2018
SZ1SMB13AT3G	600 Watt SMB Transient Voltage Suppressor 13 V Unidirectional	No 10/29/2017	No 10/29/2017	CoC_RoHS9_SZ1SMB13AT3G_11-5-2020	REACH209_Declaration_-Contain-_SZ1SMB13AT3G_11-5-2020	Yes 10/29/2017	Contains
SZ1SMB13CAT3G	600 Watt SMB Transient Voltage Suppressor 13 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB14AT3G	600 Watt SMB Transient Voltage Suppressor 14 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB14CAT3G	600 Watt SMB Transient Voltage Suppressor 14 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB150AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB15AT3G	Zener Transient Voltage Suppressor 15 V 600 Watt	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB15CAT3G	600 Watt SMB Transient Voltage Suppressor 15 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB160AT3G	600 Watt SMB Transient Voltage Suppressor 160 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB16AT3G	600 Watt SMB Transient Voltage Suppressor 16 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB16CAT3G	600 Watt SMB Transient Voltage Suppressor 16 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB170AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB17AT3G	600 Watt SMB Transient Voltage Suppressor 17 V Unidirectional	No 08/30/2017	No 08/30/2017		REACH209_Declaration_-Contain-_SZ1SMB17AT3G_1-12-2021	Yes 08/30/2017	Contains
SZ1SMB17CAT3G	600 Watt SMB Transient Voltage Suppressor 17 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB18AT3G	600 Watt SMB Transient Voltage Suppressor 18 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB18CAT3G	600 Watt SMB Transient Voltage Suppressor 18 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB20AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB20CAT3G	600 Watt SMB Transient Voltage Suppressor 20 V Bidirectional	No 10/04/2017	No 10/04/2017			Yes 10/04/2017
SZ1SMB22AT3G	Zener Transient Voltage Suppressor 600 Watt Peak Power	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB22CAT3G	600 Watt SMB Transient Voltage Suppressor 22 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB24AT3G	Transient Voltage Suppressor Unidirectional 24 V 600 Watt	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB24CAT3G	Transient Voltage Suppressor Bidirectional 24 V 600 Watt	No 09/21/2017	No 09/21/2017			Yes 09/21/2017
SZ1SMB26AT3G	Transient Voltage Suppressor Unidirectional 26 V 600 Watt	No 05/24/2017	No 05/24/2017			05/24/2017
SZ1SMB26CAT3G	600 Watt SMB Transient Voltage Suppressor 26 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB28AT3G	600 Watt SMB Transient Voltage Suppressor 28 V Unidirectional	No 09/17/2017	No 09/17/2017			Yes 09/17/2017
SZ1SMB28CAT3G	600 Watt SMB Transient Voltage Suppressor 28 V Bidirectional	No 07/19/2017	No 07/19/2017			Yes 07/19/2017
SZ1SMB30AT3G	600 Watt SMB Transient Voltage Suppressor 30 V Unidirectional	No 08/30/2017	No 08/30/2017			Yes 08/30/2017
SZ1SMB30CAT3G	600 Watt SMB Transient Voltage Suppressor 30 V Bidirectional	No 07/20/2017	No 07/20/2017	CoC_RoHS9_SZ1SMB30CAT3G_12-11-2020	REACH209_Declaration_-Contain-_SZ1SMB30CAT3G_12-11-2020	Yes 07/20/2017	Contains
SZ1SMB33AT3G	600 Watt SMB Transient Voltage Suppressor 33 V Unidirectional	No 10/26/2017	No 10/26/2017			Yes 10/26/2017
SZ1SMB33CAT3G	600 Watt SMB Transient Voltage Suppressor 33 V Bidirectional	No 07/25/2017	No 07/25/2017			Yes 07/25/2017
SZ1SMB36AT3G	600 Watt SMB Transient Voltage Suppressor 36 V Unidirectional	No 10/24/2017	No 10/24/2017		REACH209_Declaration_-Contain-_SZ1SMB36AT3G_11-24-2020	Yes 10/24/2017	Contains
SZ1SMB36CAT3G	600 Watt SMB Transient Voltage Suppressor 36 V Bidirectional	No 06/21/2017	No 06/21/2017			Yes 06/21/2017
SZ1SMB40AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB40CAT3G	600 Watt SMB Transient Voltage Suppressor 40 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB43AT3G	600 Watt SMB Transient Voltage Suppressor 43 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB43CAT3G	600 Watt SMB Transient Voltage Suppressor 43 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB45AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB45CAT3G	600 Watt SMB Transient Voltage Suppressor 45 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB48AT3G	600 Watt SMB Transient Voltage Suppressor 48 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB48CAT3G	600 Watt SMB Transient Voltage Suppressor 48 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB5.0AT3G	600 Watt SMB Transient Voltage Suppressor 5.0 V Unidirectional	No 06/28/2017	No 06/28/2017			Yes 06/28/2017
SZ1SMB51AT3G	600 Watt SMB Transient Voltage Suppressor 51 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB51CAT3G	600 Watt SMB Transient Voltage Suppressor 51 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB54AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB54CAT3G	600 Watt SMB Transient Voltage Suppressor 54 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB58AT3G	Zener Transient Voltage Suppressor 58 V 600 Watt	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB58CAT3G	600 Watt SMB Transient Voltage Suppressor 58 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB6.0AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB6.5AT3G	600 Watt SMB Transient Voltage Suppressor 6.5 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB60AT3G	600 Watt SMB Transient Voltage Suppressor 60 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB60CAT3G	600 Watt SMB Transient Voltage Suppressor 60 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB64AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB64CAT3G	600 Watt SMB Transient Voltage Suppressor 64 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB7.0AT3G	600 Watt SMB Transient Voltage Suppressor 7.0 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB7.5AT3G	600 Watt SMB Transient Voltage Suppressor 7.5 V Unidirectional	No 10/29/2017	No 10/29/2017			Yes 10/29/2017
SZ1SMB70AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB75AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB75CAT3G	600 Watt SMB Transient Voltage Suppressor 75 V Bidirectional	No 11/01/2017	No 11/01/2017			Yes 11/01/2017
SZ1SMB8.0AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB8.5AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB85AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB9.0AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019
SZ1SMB90AT3G		No 02/21/2019	No 02/21/2019			Yes 02/21/2019

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	ESD Protection Solutions
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	Automotive Electronics Applications Guide This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.

Catalog #	Certificates

SZ1SMB100AT3G
SZ1SMB10CAT3G
SZ1SMB11CAT3G
SZ1SMB12AT3G
SZ1SMB12CAT3G
SZ1SMB13AT3G
SZ1SMB13CAT3G
SZ1SMB14AT3G
SZ1SMB14CAT3G
SZ1SMB15AT3G
SZ1SMB15CAT3G
SZ1SMB160AT3G
SZ1SMB16AT3G
SZ1SMB16CAT3G
SZ1SMB17AT3G
SZ1SMB17CAT3G
SZ1SMB18AT3G
SZ1SMB18CAT3G
SZ1SMB20CAT3G
SZ1SMB22AT3G
SZ1SMB22CAT3G
SZ1SMB24AT3G
SZ1SMB24CAT3G
SZ1SMB26AT3G
SZ1SMB26CAT3G
SZ1SMB28AT3G
SZ1SMB28CAT3G
SZ1SMB30AT3G
SZ1SMB30CAT3G
SZ1SMB33AT3G
SZ1SMB33CAT3G
SZ1SMB36AT3G
SZ1SMB36CAT3G
SZ1SMB40CAT3G
SZ1SMB43AT3G
SZ1SMB43CAT3G
SZ1SMB45CAT3G
SZ1SMB48AT3G
SZ1SMB48CAT3G
SZ1SMB5.0AT3G
SZ1SMB51AT3G
SZ1SMB51CAT3G
SZ1SMB54CAT3G
SZ1SMB58AT3G
SZ1SMB58CAT3G
SZ1SMB6.5AT3G
SZ1SMB60AT3G
SZ1SMB60CAT3G
SZ1SMB64CAT3G
SZ1SMB7.0AT3G
SZ1SMB7.5AT3G
SZ1SMB75CAT3G

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SZ1SMB Series - 600W in SMB Package

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SZ1SMB Series - 600W in SMB Package

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