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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Type	Memory Size	Organisation	Interface Type	Operating Supply Current	Programming Voltage	Supply Voltage - Max	Supply Voltage - Min	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
EPROM 1Kb Add-Only Memory DS2502S+ Analog Devices / Maxim Integrated 1: CHF 3.12 1’397In Stock	Mfr. Part No. DS2502S+ Mouser Part No 700-DS2502S	Analog Devices / Maxim Integrated	EPROM 1Kb Add-Only Memory Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	1’397In Stock	CHF 3.12 CHF 3.05 CHF 3.03	Min.: 1 Mult.: 1 Max.: 1’117	SMD/SMT	SOIC-8	OTP	1 kbit	1 k x 1	1-Wire	5 uA	11.5 V to 12 V	6 V	2.8 V	- 40 C	+ 85 C	DS2502	Tube
EPROM 55NS, PLCC, IND TEMP, GREEN AT27C4096-55JU-T Microchip Technology 1: CHF 7.83 147In Stock	Mfr. Part No. AT27C4096-55JU-T Mouser Part No 579-AT27C4096-55JU-T	Microchip Technology	EPROM 55NS, PLCC, IND TEMP, GREEN	Datasheet	147In Stock	Cut Tape CHF 7.83 Reel CHF 7.16 Quote Quote	Min.: 1 Mult.: 1 : 500	SMD/SMT	PLCC-44	OTP	4 Mbit	256 k x 16	Parallel	40 mA		5.5 V	4.5 V	- 40 C	+ 85 C	AT27C4096	Reel, Cut Tape
EPROM 1Mb(128Kx8) OTP 2.7-3.6V 90ns AT27BV010-90JU Microchip Technology 1: CHF 3.81 286In Stock	Mfr. Part No. AT27BV010-90JU Mouser Part No 556-AT27BV010-90JU	Microchip Technology	EPROM 1Mb(128Kx8) OTP 2.7-3.6V 90ns	Datasheet	286In Stock	CHF 3.81 CHF 3.73 CHF 3.64 CHF 3.62 CHF 3.59	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	1 Mbit	64 k x 16	Parallel	25 mA	13 V	3.6 V, 5.5 V	2.7 V, 4.5 V	- 40 C	+ 85 C	AT27BV010	Tube
EPROM 512Kb (64Kx8) OTP 5V 70ns AT27C512R-70PU Microchip Technology 1: CHF 2.57 9’857In Stock 5’404Expected 10/22/2026	Mfr. Part No. AT27C512R-70PU Mouser Part No 556-AT27C512R70PU	Microchip Technology	EPROM 512Kb (64Kx8) OTP 5V 70ns	Datasheet	9’857In Stock 5’404Expected 10/22/2026	CHF 2.57 CHF 2.48 CHF 2.39	Min.: 1 Mult.: 1	Through Hole	PDIP-28	OTP	512 kbit	64 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C512R	Tube
EPROM 1Mb (128Kx8) OTP 5V 70ns AT27C010-70JU Microchip Technology 1: CHF 2.78 2’013In Stock	Mfr. Part No. AT27C010-70JU Mouser Part No 556-AT27C01070JU	Microchip Technology	EPROM 1Mb (128Kx8) OTP 5V 70ns	Datasheet	2’013In Stock	CHF 2.78 CHF 2.74 CHF 2.73 CHF 2.68	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	1 Mbit	128 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C010	Tube
EPROM 70NS PLCC IND GRN AT27C010-70JU-T Microchip Technology 1: CHF 3.04 667In Stock	Mfr. Part No. AT27C010-70JU-T Mouser Part No 556-AT27C01070JUT	Microchip Technology	EPROM 70NS PLCC IND GRN	Datasheet	667In Stock	Cut Tape CHF 3.04 Reel CHF 2.78 CHF 2.65 MouseReel Available	Min.: 1 Mult.: 1 : 750	SMD/SMT	PLCC-32	OTP	1 Mbit	128 k x 8	Parallel	25 mA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C010	Reel, Cut Tape, MouseReel
EPROM 2MB (256Kx8) OTP 5V 55ns AT27C020-55JU Microchip Technology 1: CHF 3.77 349In Stock	Mfr. Part No. AT27C020-55JU Mouser Part No 556-AT27C020-55JU	Microchip Technology	EPROM 2MB (256Kx8) OTP 5V 55ns	Datasheet	349In Stock	CHF 3.77 CHF 3.64 CHF 3.48	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	2 Mbit	256 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C020	Tube
EPROM 4Mb (512Kx8) OTP 5V 90ns AT27C040-90JU Microchip Technology 1: CHF 6.58 192In Stock	Mfr. Part No. AT27C040-90JU Mouser Part No 556-AT27C040-90JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 5V 90ns	Datasheet	192In Stock	CHF 6.58 CHF 6.35 CHF 6.15 CHF 6.10	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	4 Mbit	512 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C040	Tube
EPROM 4Mb (512Kx8) OTP 5V 70ns AT27C040-70JU Microchip Technology 1: CHF 6.75 203In Stock	Mfr. Part No. AT27C040-70JU Mouser Part No 556-AT27C04070JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 5V 70ns	Datasheet	203In Stock	CHF 6.75 CHF 6.59 CHF 6.56 CHF 6.49 View CHF 6.47 CHF 6.35	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	4 Mbit	512 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C040	Tube
EPROM 1Mb (64Kx16) OTP 5V 45ns AT27C1024-45PU Microchip Technology 1: CHF 3.71 448In Stock	Mfr. Part No. AT27C1024-45PU Mouser Part No 556-AT27C1024-45PU	Microchip Technology	EPROM 1Mb (64Kx16) OTP 5V 45ns	Datasheet	448In Stock	CHF 3.71 CHF 3.62	Min.: 1 Mult.: 1	Through Hole	PDIP-40	OTP	1 Mbit	64 k x 16	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C1024	Tube
EPROM 1Mb (64Kx16) OTP 5V 70ns AT27C1024-70PU Microchip Technology 1: CHF 3.88 527In Stock	Mfr. Part No. AT27C1024-70PU Mouser Part No 556-AT27C102470PU	Microchip Technology	EPROM 1Mb (64Kx16) OTP 5V 70ns	Datasheet	527In Stock	CHF 3.88 CHF 3.73 CHF 3.59	Min.: 1 Mult.: 1	Through Hole	PDIP-40	OTP	1 Mbit	64 k x 16	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C1024	Tube
EPROM 256Kb (32Kx8) OTP 5V 45ns AT27C256R-45JU Microchip Technology 1: CHF 2.10 620In Stock	Mfr. Part No. AT27C256R-45JU Mouser Part No 556-AT27C256R-45JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	620In Stock	CHF 2.10 CHF 2.07 CHF 2.06	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	256 kbit	32 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C256R	Tube
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70JU Microchip Technology 1: CHF 2.07 1’527In Stock 2’464Expected 12/17/2026	Mfr. Part No. AT27C256R-70JU Mouser Part No 556-AT27C256R70JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	1’527In Stock 2’464Expected 12/17/2026	CHF 2.07 CHF 2.05 CHF 2.04 CHF 2.02 View CHF 2.01 CHF 2.00	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	256 kbit	32 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C256R	Tube
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70PU Microchip Technology 1: CHF 2.15 3’437In Stock	Mfr. Part No. AT27C256R-70PU Mouser Part No 556-AT27C256R70PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	3’437In Stock	CHF 2.15 CHF 2.10 CHF 2.08 CHF 2.07 CHF 2.06	Min.: 1 Mult.: 1	Through Hole	PDIP-28	OTP	256 kbit	32 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C256R	Tube
EPROM 4Mb (256Kx16) OTP 5V 90ns AT27C4096-90PU Microchip Technology 1: CHF 7.82 206In Stock	Mfr. Part No. AT27C4096-90PU Mouser Part No 556-AT27C4096-90PU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 90ns	Datasheet	206In Stock	CHF 7.82 CHF 7.53 CHF 7.24	Min.: 1 Mult.: 1	Through Hole	PDIP-40	OTP	4 Mbit	256 k x 16	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C4096	Tube
EPROM 70NS PLCC IND GRN AT27C512R-70JU-T Microchip Technology 1: CHF 2.50 2’516In Stock	Mfr. Part No. AT27C512R-70JU-T Mouser Part No 556-AT27C512R70JUT	Microchip Technology	EPROM 70NS PLCC IND GRN	Datasheet	2’516In Stock	Cut Tape CHF 2.50 Reel CHF 2.30 MouseReel Available	Min.: 1 Mult.: 1 : 750	SMD/SMT	PLCC-32	OTP	512 kbit	64 k x 8	Parallel	20 mA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C512R	Reel, Cut Tape, MouseReel
EPROM 45NS, PLCC, IND TEMP, GREEN AT27C256R-45JU-T Microchip Technology 1: CHF 2.30 1’002In Stock	Mfr. Part No. AT27C256R-45JU-T Mouser Part No 579-AT27C256R-45JU-T	Microchip Technology	EPROM 45NS, PLCC, IND TEMP, GREEN	Datasheet	1’002In Stock	Cut Tape CHF 2.30 CHF 2.13 CHF 2.12 Reel CHF 1.98	Min.: 1 Mult.: 1 : 750	SMD/SMT	PLCC-32	OTP	256 kbit	32 k x 8	Parallel	20 mA		5.5 V	4.5 V	- 40 C	+ 85 C	AT27C256R	Reel, Cut Tape
EPROM 1.5K-B Serial EPROM BQ2026DBZR Texas Instruments 1: CHF 0.765 23’088In Stock	Mfr. Part No. BQ2026DBZR Mouser Part No 595-BQ2026DBZR	Texas Instruments	EPROM 1.5K-B Serial EPROM Learn More about Texas Instruments ti bq2026	Datasheet	23’088In Stock	Cut Tape CHF 0.765 CHF 0.721 CHF 0.701 CHF 0.687 View Reel CHF 0.608 CHF 0.671 CHF 0.651 CHF 0.636 CHF 0.621 CHF 0.608 MouseReel Available	Min.: 1 Mult.: 1 : 3’000	SMD/SMT	SOT-23-3	OTP	1.5 kbit		1-Wire	2 uA	12 V	5.5 V	2.65 V	- 20 C	+ 70 C	BQ2026	Reel, Cut Tape, MouseReel
EPROM 1Kb Add-Only Memory DS2502P+T&R Analog Devices / Maxim Integrated 1: CHF 4.72 3’084In Stock	Mfr. Part No. DS2502P+T&R Mouser Part No 700-DS2502PT&R	Analog Devices / Maxim Integrated	EPROM 1Kb Add-Only Memory Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	3’084In Stock	Cut Tape CHF 4.72 CHF 4.40 CHF 4.27 CHF 4.17 View CHF 4.06 CHF 3.94 CHF 3.84 CHF 3.74 CHF 3.74 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2’467	SMD/SMT	TSOC-6											DS2502	Reel, Cut Tape, MouseReel
EPROM 16Kb Add-Only Memory DS2505+ Analog Devices / Maxim Integrated 1: CHF 4.63 4’968In Stock	Mfr. Part No. DS2505+ Mouser Part No 700-DS2505	Analog Devices / Maxim Integrated	EPROM 16Kb Add-Only Memory Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	4’968In Stock	CHF 4.63 CHF 4.31 CHF 4.18 CHF 4.10 View CHF 4.00 CHF 3.87 CHF 3.77 CHF 3.68 CHF 3.58	Min.: 1 Mult.: 1 Max.: 3’974	Through Hole	TO-92-3	OTP	16 kbit	16 k x 1	1-Wire	5 uA	11.5 V to 12 V	6 V	2.8 V	- 40 C	+ 85 C	DS2505	Bulk
EPROM 4Mb (256Kx16) OTP 5V 55ns AT27C4096-55JU Microchip Technology 1: CHF 7.37 675In Stock	Mfr. Part No. AT27C4096-55JU Mouser Part No 556-AT27C4096-55JU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 55ns	Datasheet	675In Stock	CHF 7.37 CHF 7.33 CHF 7.31 CHF 7.16 View CHF 7.15 CHF 7.14	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	OTP	4 Mbit	256 k x 16	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C4096	Tube
EPROM 4Mb (256Kx16) OTP 5V 90ns AT27C4096-90JU Microchip Technology 1: CHF 7.62 203In Stock	Mfr. Part No. AT27C4096-90JU Mouser Part No 556-AT27C4096-90JU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 90ns	Datasheet	203In Stock	CHF 7.62 CHF 7.36 CHF 7.06	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	OTP	4 Mbit	256 k x 16	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C4096	Tube
EPROM 512Kb (64Kx8) OTP 5V 45ns AT27C512R-45JU Microchip Technology 1: CHF 2.48 552In Stock	Mfr. Part No. AT27C512R-45JU Mouser Part No 556-AT27C512R-45JU	Microchip Technology	EPROM 512Kb (64Kx8) OTP 5V 45ns	Datasheet	552In Stock	CHF 2.48	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	512 kbit	64 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C512R	Tube
EPROM 512Kb (64Kx8) OTP 5V 45ns AT27C512R-45PU Microchip Technology 1: CHF 2.62 2’714In Stock 3’528Expected 12/8/2026	Mfr. Part No. AT27C512R-45PU Mouser Part No 556-AT27C512R-45PU	Microchip Technology	EPROM 512Kb (64Kx8) OTP 5V 45ns	Datasheet	2’714In Stock 3’528Expected 12/8/2026	CHF 2.62 CHF 2.50 CHF 2.41	Min.: 1 Mult.: 1	Through Hole	PDIP-28	OTP	512 kbit	64 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C512R	Tube
EPROM 512Kb (64Kx8) OTP 5V 70ns AT27C512R-70JU Microchip Technology 1: CHF 2.40 2’869In Stock	Mfr. Part No. AT27C512R-70JU Mouser Part No 556-AT27C512R70JU	Microchip Technology	EPROM 512Kb (64Kx8) OTP 5V 70ns	Datasheet	2’869In Stock	CHF 2.40 CHF 2.32 CHF 2.23	Min.: 1 Mult.: 1	SMD/SMT	PLCC-32	OTP	512 kbit	64 k x 8	Parallel	100 uA	13 V	5.5 V	4.5 V	- 40 C	+ 85 C	AT27C512R	Tube