Equivalent & Substitute Parts for Bourns CD1206-B240

Part Overview

CD1206-B240, manufactured by Bourns Inc., is an active Schottky diode in the diodes, rectifiers category. It is a surface-mount device featuring a 40 V maximum reverse voltage and a 2 A average rectified current, housed in a 1206 package. Variations in supply chain, inventory status, compliance, or production schedules may require selecting alternative compatible models with identical electrical and mechanical parameters.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Mounting Type	Package / Case	Supplier Device Package	Operating Temperature - Junction	RoHS Status	Moisture Sensitivity Level (MSL)	Product Status
CD1206-B240	Bourns Inc.	Diodes, Rectifiers	Schottky	40 V	2A	500 mV @ 2 A	Fast Recovery =< 500ns, > 200mA (Io)	500 µA @ 40 V	Surface Mount	Chip, Concave Terminals	1206	-55°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	Active

Substitute Part Grouping Explanation

Substitution in the Schottky diode category for CD1206-B240 is determined strictly by matching key electrical and mechanical parameters. The allowed parameters for substitution are: technology (Schottky), maximum reverse voltage (40 V), average rectified current (2 A), maximum forward voltage at rated current (500 mV @ 2 A), recovery speed (Fast Recovery =< 500 ns, > 200 mA (Io)), reverse leakage current (at defined voltage), operating temperature range (-55°C ~ 125°C), mounting type (Surface Mount), package dimensions (1206 or equivalent), RoHS status, Moisture Sensitivity Level (MSL), and product status.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Mounting Type	Package / Case	Supplier Device Package	Operating Temperature - Junction	RoHS Status	Moisture Sensitivity Level (MSL)	Product Status
CD1206-B240	Bourns Inc.	Schottky	40 V	2A	500 mV @ 2 A	Fast Recovery =< 500ns, > 200mA (Io)	500 µA @ 40 V	Surface Mount	Chip, Concave Terminals	1206	-55°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	Active
SD1206S040S2R0	KYOCERA AVX	Schottky	40 V	2A	500 mV @ 2 A	Fast Recovery =< 500ns, > 200mA (Io)	200 µA @ 40 V	Surface Mount	1206 (3216 Metric)	1206 (3216 Metric)	-55°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	Active
SD1206T040S2R0	KYOCERA AVX	Schottky	40 V	2A	500 mV @ 2 A	Fast Recovery =< 500ns, > 200mA (Io)	200 µA @ 40 V	Surface Mount	1206 (3216 Metric)	1206 (3216 Metric)	-55°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	Active

Engineering Selection Recommendations

All substitute parts, SD1206S040S2R0 and SD1206T040S2R0 from KYOCERA AVX, and the original Bourns CD1206-B240, are classified as active products. All parts are ROHS3 compliant and have an unlimited Moisture Sensitivity Level (MSL 1). Compliance status is confirmed for all compared items, and substitute options maintain product status for direct selection within regulated inventories.

Frequently Asked Questions (FAQ)

Q: What determines substitutability in this Schottky diode category?
A: Substitutability is defined by strictly matching technology, maximum reverse voltage, average rectified current, forward voltage at rated current, recovery speed, reverse leakage current, operating temperature range, mounting type, package/case format, RoHS status, and MSL classification.

Q: Are the substitute diodes compatible with the same board footprint as CD1206-B240?
A: Substitute parts SD1206S040S2R0 and SD1206T040S2R0 are offered in the 1206 (3216 Metric) package, matching the surface-mount type specified for CD1206-B240.

Q: Are there any differences in reverse leakage current between original and substitute parts?
A: CD1206-B240 has a reverse leakage current of 500 µA @ 40 V, while substitute parts SD1206S040S2R0 and SD1206T040S2R0 specify 200 µA @ 40 V.

Q: Do substitute parts meet identical compliance and regulatory standards?
A: All compared products are ROHS3 compliant and classified as MSL 1 (Unlimited), supporting compatibility in regulated applications.

Q: Is the operating temperature range consistent across all substitute parts?
A: All listed diodes support an operating junction temperature range of -55°C to 125°C.

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