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IN400x/EM51x Standard Recovery Rectifier Diodes

Diotec Semiconductor IN400x and EM51x Standard Recovery Rectifier Diodes are designed for general‑purpose, low‑power rectification, particularly in 50/60Hz line‑frequency applications. The Diotec IN400x and EM51x diodes utilize a diffused junction construction in a rugged DO‑41 axial‑lead package. This package type provides mechanical durability, ease of installation, and effective heat dissipation. The series offers a wide range of reverse-voltage ratings from 50V to 2000V while maintaining a typical forward current capability of 1A. These ratings make the devices versatile for a broad set of voltage requirements.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Vr - Reverse Voltage	If - Forward Current	Type	Configuration	Vf - Forward Voltage	Max Surge Current	Ir - Reverse Current	Recovery Time	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
Rectifiers Diode, A-405, 1000V, 1A, 150C 1N4007S Diotec Semiconductor 1: HK$1.07 99,165In Stock New Product	Mfr. Part No. 1N4007S Mouser Part No 637-1N4007S New Product	Diotec Semiconductor	Rectifiers Diode, A-405, 1000V, 1A, 150C Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	99,165In Stock	HK$1.07 HK$0.518 HK$0.452 HK$0.329 View HK$0.206 HK$0.173 HK$0.148	Min.: 1 Mult.: 1
Rectifiers Diode, DO-41, 1600V, 1A, 175C EM513R Diotec Semiconductor 1: HK$1.32 10,000In Stock New Product	Mfr. Part No. EM513R Mouser Part No 637-EM513R New Product	Diotec Semiconductor	Rectifiers Diode, DO-41, 1600V, 1A, 175C Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	10,000In Stock	HK$1.32 HK$0.633 HK$0.551 HK$0.403 View HK$0.247 HK$0.206 HK$0.189	Min.: 1 Mult.: 1
Rectifiers Diode, DO-41, 50V, 1A 1N4001 Diotec Semiconductor 1: HK$1.07 140,236In Stock 35,000On Order	Mfr. Part No. 1N4001 Mouser Part No 637-1N4001	Diotec Semiconductor	Rectifiers Diode, DO-41, 50V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	140,236In Stock 35,000On Order	HK$1.07 HK$0.732 HK$0.617 HK$0.485 Reel HK$0.312 View HK$0.427 HK$0.206 HK$0.197 HK$0.173	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	50 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 400V, 1A 1N4004 Diotec Semiconductor 1: HK$1.15 201,676In Stock	Mfr. Part No. 1N4004 Mouser Part No 637-1N4004	Diotec Semiconductor	Rectifiers Diode, DO-41, 400V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	201,676In Stock	HK$1.15 HK$0.51 HK$0.436 HK$0.321 Reel HK$0.206 View HK$0.304 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	400 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 600V, 1A 1N4005 Diotec Semiconductor 1: HK$1.07 146,948In Stock	Mfr. Part No. 1N4005 Mouser Part No 637-1N4005	Diotec Semiconductor	Rectifiers Diode, DO-41, 600V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	146,948In Stock	HK$1.07 HK$0.641 HK$0.534 HK$0.427 Reel HK$0.279 View HK$0.378 HK$0.181	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	600 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 1000V, 1A 1N4007 Diotec Semiconductor 1: HK$0.986 348,942In Stock	Mfr. Part No. 1N4007 Mouser Part No 637-1N4007	Diotec Semiconductor	Rectifiers Diode, DO-41, 1000V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	348,942In Stock	HK$0.986 HK$0.641 HK$0.534 HK$0.427 Reel HK$0.279 View HK$0.378 HK$0.181 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 100V, 1A, AEC-Q101 1N4002GP-AQ Diotec Semiconductor 1: HK$1.73 4,860In Stock	Mfr. Part No. 1N4002GP-AQ Mouser Part No 637-1N4002GP-AQ	Diotec Semiconductor	Rectifiers Diode, DO-41, 100V, 1A, AEC-Q101 Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	4,860In Stock	HK$1.73 HK$0.773 HK$0.674 HK$0.493 Reel HK$0.321 View HK$0.263 HK$0.255 HK$0.238	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	100 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X	AEC-Q101	Ammo Pack
Rectifiers Diode, DO-41, 200V, 1A 1N4003GP Diotec Semiconductor 1: HK$0.822 10,381In Stock	Mfr. Part No. 1N4003GP Mouser Part No 637-1N4003GP	Diotec Semiconductor	Rectifiers Diode, DO-41, 200V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	10,381In Stock	HK$0.822 HK$0.617 HK$0.518 HK$0.411 Reel HK$0.271 View HK$0.362 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41-2	200 V	1 A	Standard Recovery Rectifier	Single	1.1 V	30 A		1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 400V, 1A, AEC-Q101 1N4004GP-AQ Diotec Semiconductor 1: HK$1.73 14,484In Stock	Mfr. Part No. 1N4004GP-AQ Mouser Part No 637-1N4004GP-AQ	Diotec Semiconductor	Rectifiers Diode, DO-41, 400V, 1A, AEC-Q101 Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	14,484In Stock	HK$1.73 HK$0.773 HK$0.674 HK$0.493 Reel HK$0.386 View HK$0.321 HK$0.255 HK$0.238	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	400 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X	AEC-Q101	Ammo Pack
Rectifiers Diode, DO-41, 800V, 1A 1N4006 Diotec Semiconductor 1: HK$0.904 14,058In Stock	Mfr. Part No. 1N4006 Mouser Part No 637-1N4006	Diotec Semiconductor	Rectifiers Diode, DO-41, 800V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	14,058In Stock	HK$0.904 HK$0.633 HK$0.526 HK$0.419 Reel HK$0.279 View HK$0.37 HK$0.181 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	800 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 1300V, 1A 1N4007-13 Diotec Semiconductor 1: HK$1.40 9,488In Stock 10,000Expected 6/11/2026	Mfr. Part No. 1N4007-13 Mouser Part No 637-1N4007-13	Diotec Semiconductor	Rectifiers Diode, DO-41, 1300V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	9,488In Stock 10,000Expected 6/11/2026	HK$1.40 HK$0.658 HK$0.567 HK$0.419 Reel HK$0.271 View HK$0.255 HK$0.222 HK$0.214	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1.3 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 1000V, 1A 1N4007GP Diotec Semiconductor 1: HK$1.23 20,984In Stock 20,000Expected 25/12/2026	Mfr. Part No. 1N4007GP Mouser Part No 637-1N4007GP	Diotec Semiconductor	Rectifiers Diode, DO-41, 1000V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	20,984In Stock 20,000Expected 25/12/2026	HK$1.23 HK$0.526 HK$0.501 HK$0.378 Reel HK$0.238 View HK$0.37 HK$0.164	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 1000V, 1A, AEC-Q101 1N4007GP-AQ Diotec Semiconductor 1: HK$1.64 13,626In Stock	Mfr. Part No. 1N4007GP-AQ Mouser Part No 637-1N4007GP-AQ	Diotec Semiconductor	Rectifiers Diode, DO-41, 1000V, 1A, AEC-Q101 Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	13,626In Stock	HK$1.64 HK$1.13 HK$0.945 HK$0.756 Reel HK$0.493 View HK$0.666 HK$0.321 HK$0.312 HK$0.263	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X	AEC-Q101	Ammo Pack
Rectifiers Diode, DO-41, 1600V, 1A EM513 Diotec Semiconductor 1: HK$2.14 15,021In Stock	Mfr. Part No. EM513 Mouser Part No 637-EM513	Diotec Semiconductor	Rectifiers Diode, DO-41, 1600V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	15,021In Stock	HK$2.14 HK$1.35 HK$1.10 HK$0.904 Reel HK$0.362 View HK$0.756 HK$0.304 HK$0.271 HK$0.255	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1.6 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	EA/EG/ER/EM/ES		Ammo Pack
Rectifiers Diode, DO-41, 1600V, 1A, AEC-Q101 EM513-AQ Diotec Semiconductor 1: HK$2.30 4,347In Stock	Mfr. Part No. EM513-AQ Mouser Part No 637-EM513-AQ	Diotec Semiconductor	Rectifiers Diode, DO-41, 1600V, 1A, AEC-Q101 Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	4,347In Stock	HK$2.30 HK$1.03 HK$0.896 HK$0.658 Reel HK$0.436 View HK$0.37 HK$0.337	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1.6 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	EA/EG/ER/EM/ES	AEC-Q101	Ammo Pack
Rectifiers Diode, DO-41, 1800V, 1A EM516 Diotec Semiconductor 1: HK$2.06 14,679In Stock	Mfr. Part No. EM516 Mouser Part No 637-EM516	Diotec Semiconductor	Rectifiers Diode, DO-41, 1800V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	14,679In Stock	HK$2.06 HK$1.48 HK$1.24 HK$0.986 Reel HK$0.658 View HK$0.863 HK$0.427 HK$0.411 HK$0.353	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	1.8 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	EA/EG/ER/EM/ES		Ammo Pack
Rectifiers Diode, DO-41, 2000V, 1A EM518 Diotec Semiconductor 1: HK$2.47 18,153In Stock	Mfr. Part No. EM518 Mouser Part No 637-EM518	Diotec Semiconductor	Rectifiers Diode, DO-41, 2000V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	18,153In Stock	HK$2.47 HK$1.75 HK$1.46 HK$1.17 Reel HK$0.773 View HK$1.02 HK$0.501 HK$0.485 HK$0.419	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	2 kV	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	EA/EG/ER/EM/ES		Ammo Pack
Rectifiers Diode, DO-41, 50V, 1A 1N4001GP Diotec Semiconductor 1: HK$1.07 4,230In Stock 10,000Expected 23/10/2026	Mfr. Part No. 1N4001GP Mouser Part No 637-1N4001GP	Diotec Semiconductor	Rectifiers Diode, DO-41, 50V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	4,230In Stock 10,000Expected 23/10/2026	HK$1.07 HK$0.436 HK$0.312 HK$0.279 Reel HK$0.181 View HK$0.206 HK$0.148 HK$0.14 HK$0.115	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41-2	50 V	1 A	Standard Recovery Rectifier	Single	1.1 V	30 A		1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, A-405, 50V, 1A 1N4001S Diotec Semiconductor 1: HK$1.15 9,879In Stock 5,000Expected 4/12/2026	Mfr. Part No. 1N4001S Mouser Part No 637-1N4001S	Diotec Semiconductor	Rectifiers Diode, A-405, 50V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	9,879In Stock 5,000Expected 4/12/2026	HK$1.15 HK$0.559 HK$0.485 HK$0.353 Reel HK$0.271 View HK$0.189 HK$0.164	Min.: 1 Mult.: 1 : 5,000	Through Hole	A-405	50 V	1 A	Standard Recovery Rectifier	Single	1 V	27 A	5 uA	1.5 us	- 50 C	+ 150 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 100V, 1A 1N4002 Diotec Semiconductor 1: HK$0.904 50,603In Stock 95,000Expected 8/1/2027	Mfr. Part No. 1N4002 Mouser Part No 637-1N4002	Diotec Semiconductor	Rectifiers Diode, DO-41, 100V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	50,603In Stock 95,000Expected 8/1/2027	HK$0.904 HK$0.633 HK$0.526 HK$0.419 Reel HK$0.279 View HK$0.37 HK$0.181 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	100 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 200V, 1A 1N4003 Diotec Semiconductor 1: HK$1.07 55,542In Stock 80,000Expected 30/10/2026	Mfr. Part No. 1N4003 Mouser Part No 637-1N4003	Diotec Semiconductor	Rectifiers Diode, DO-41, 200V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	55,542In Stock 80,000Expected 30/10/2026	HK$1.07 HK$0.51 HK$0.444 HK$0.321 Reel HK$0.206 View HK$0.148 HK$0.132	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	200 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 400V, 1A 1N4004GP Diotec Semiconductor 1: HK$0.822 17,749In Stock 35,000Expected 23/10/2026	Mfr. Part No. 1N4004GP Mouser Part No 637-1N4004GP	Diotec Semiconductor	Rectifiers Diode, DO-41, 400V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	17,749In Stock 35,000Expected 23/10/2026	HK$0.822 HK$0.617 HK$0.518 HK$0.411 Reel HK$0.271 View HK$0.362 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41-2	400 V	1 A	Standard Recovery Rectifier	Single	1.1 V	30 A		1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 600V, 1A 1N4005GP Diotec Semiconductor 1: HK$0.822 7,262In Stock 5,000Expected 27/11/2026	Mfr. Part No. 1N4005GP Mouser Part No 637-1N4005GP	Diotec Semiconductor	Rectifiers Diode, DO-41, 600V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	7,262In Stock 5,000Expected 27/11/2026	HK$0.822 HK$0.617 HK$0.518 HK$0.411 Reel HK$0.271 View HK$0.362 HK$0.173 HK$0.148	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41-2	600 V	1 A	Standard Recovery Rectifier	Single	1.1 V	30 A		1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 100V, 1A 1N4002GP Diotec Semiconductor 1: HK$1.15 14,956Expected 25/12/2026	Mfr. Part No. 1N4002GP Mouser Part No 637-1N4002GP	Diotec Semiconductor	Rectifiers Diode, DO-41, 100V, 1A Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	14,956Expected 25/12/2026	HK$1.15 HK$0.501 HK$0.436 HK$0.312 Reel HK$0.271 View HK$0.255 HK$0.197 HK$0.189	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41-2	100 V	1 A	Standard Recovery Rectifier	Single	1.1 V	30 A		1.5 us	- 50 C	+ 175 C	1N400X		Ammo Pack
Rectifiers Diode, DO-41, 50V, 1A, AEC-Q101 1N4001GP-AQ Diotec Semiconductor 1: HK$1.73 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 1N4001GP-AQ Mouser Part No 637-1N4001GP-AQ	Diotec Semiconductor	Rectifiers Diode, DO-41, 50V, 1A, AEC-Q101 Learn More about Diotec Semiconductor diotec in400x em51x diodes	Datasheet	Non-Stocked Lead-Time 6 Weeks	HK$1.73 HK$0.773 HK$0.674 HK$0.493 Reel HK$0.378 View HK$0.321 HK$0.312 HK$0.214	Min.: 1 Mult.: 1 : 5,000	Through Hole	DO-41	50 V	1 A	Standard Recovery Rectifier	Single	1.1 V	27 A	5 uA	1.5 us	- 50 C	+ 175 C	1N400X	AEC-Q101	Ammo Pack

IN400x/EM51x Standard Recovery Rectifier Diodes

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