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SBR12A45SD1-T

Diodes Incorporated · Super Barrier Rectifiers (SBR) · DO-201AD

SBR12A45SD1-T from Diodes Incorporated, in a DO-201AD. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	K	passive	Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2	A	passive	Anode.

Key specifications

Parameter	Value
Manufacturer	Diodes Incorporated
Package	DO-201AD
Category	Diodes
Pins	2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Reverse Breakdown Voltage	V(BR)R	45			V	IR = 0.5mA	2
Forward Voltage Drop, TJ = +25°C	VF		0.43	0.48	V	IF = 12A, TJ = +25°C	2
Forward Voltage Drop, TJ = +125°C	VF		0.4	0.44	V	IF = 12A, TJ = +125°C	2
Leakage Current, TJ = +25°C	IR		50	500	µA	VR = 45V, TJ = +25°C	2
Leakage Current, TJ = +125°C	IR			40	mA	VR = 45V, TJ = +125°C	2
Leakage Current, TJ = +150°C	IR		27	100	mA	VR = 45V, TJ = +150°C	2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage	VRRM / VRWM / VRM			45	V		2
RMS Reverse Voltage	VR(RMS)			32	V		2
Average Rectified Output Current	IO			12	A		2
Non-Repetitive Avalanche Energy	EAS			20	mJ	TJ = +25°C, IAS = 20A, L = 8.5mH	2
Non-Repetitive Peak Forward Surge Current	IFSM			200	A	8.3ms single half sine-wave superimposed on rated load	2
Peak Repetitive Reverse Surge Current	IRRM			2	A	2µS, 1KHz	2
Operating Temperature Range	TJ	-65		150	°C	VR ≤ 80% VRRM	2
Operating Temperature Range	TJ			180	°C	VR ≤ 50% VRRM	2
Operating Temperature Range	TJ			200	°C	DC Forward Mode	2
Storage Temperature Range	TSTG	-65		175	°C		2
Typical Thermal Resistance Junction to Ambient	RθJA		31		°C/W	Note 6: device mounted on 2" x 2" (50mm x 50mm) copper pad, with lead length 0.5"	2
Typical Thermal Resistance Junction to Lead	RθJL		7.2		°C/W	TL = +135°C; Note 6: device mounted on 2" x 2" (50mm x 50mm) copper pad, with lead length 0.5"	2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part	Material	Colour / plating	Datasheet says	Page
contacts		tin	• Terminals: Finish, Tin Plated Leads. Solderable per MIL-STD202, Method 208 • Weight: 1.21 grams (approximate)	1

CAD (KiCad official)

Symbol: SBR12A45SD1-T
Footprint: Diode_THT:D_DO-201AD_P15.24mm_Horizontal
3D model: DO-201AD (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Diodes Incorporated datasheet (4 pp, sha256 94d3834ea0b17710, retrieved 2026-10-16, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF