CD214B-B220LF Equivalent & Substitute Parts Reference

Part Overview

The CD214B-B220LF from Bourns Inc. is a surface-mount Schottky diode rated at 20 V and 2 A, offered in the DO-214AA (SMB) package. Its fast recovery characteristics and low forward voltage drop support high-speed rectification applications. The part is classified as obsolete, making it necessary to identify equivalent and substitute Schottky rectifier diodes with matching electrical and mechanical parameters to ensure continuity in designs and supply chains.

Key Parameters

Parameter	Specification
Manufacturer Part Number	CD214B-B220LF
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	20 V
Current - Average Rectified (Io)	2A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 2 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 20 V
Capacitance @ Vr, F	200pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
Operating Temperature - Junction	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute and equivalent parts for Schottky rectifier diodes in this category are grouped strictly by alignment with the following parameters: diode technology, reverse voltage rating (Vr), average rectified current (Io), maximum forward voltage drop (Vf) at specified current, speed classification, reverse leakage current at specified voltage, package compatibility, mounting type, and RoHS compliance. Only parts meeting or exceeding these criteria are considered suitable substitutes.

Key parameters used for equivalence:

Diode Technology: Schottky
Reverse Voltage (Vr)
Average Rectified Current (Io)
Forward Voltage (Vf) at designated current
Reverse Leakage at Vr
Package / Case and Mounting Type
RoHS Status

Parameter Comparison

Part Number	Manufacturer	Vr (V)	Io (A)	Vf (Max) @ If	Reverse Leakage @ Vr	Capacitance	Mounting Type	Package / Case	Operating Temp (Junction)	RoHS Status	Product Status
CD214B-B220LF	Bourns Inc.	20	2	500 mV @ 2A	500 µA @ 20V	200pF @ 4V, 1MHz	Surface Mount	DO-214AA, SMB	-55°C ~ 125°C	ROHS3	Obsolete
CD214B-B220R	Bourns Inc.	20	2	500 mV @ 2A	200 µA @ 20V	115pF @ 4V, 1MHz	Surface Mount	2-SMD, No Lead	-55°C ~ 125°C	ROHS3	Active
B220-13-F	Diodes Inc.	20	2	500 mV @ 2A	500 µA @ 20V	200pF @ 4V, 1MHz	Surface Mount	DO-214AA, SMB	-65°C ~ 150°C	ROHS3	Active
B260-13-F	Diodes Inc.	60	2	700 mV @ 2A	500 µA @ 60V	200pF @ 4V, 1MHz	Surface Mount	DO-214AA, SMB	-65°C ~ 150°C	ROHS3	Active
SK32B-LTP	Micro Commercial Co	20	3	500 mV @ 3A	500 µA @ 20V	-	Surface Mount	DO-214AA, SMB	-55°C ~ 150°C	ROHS3	Not For New Designs
SK42BL-TP	Micro Commercial Co	20	4	450 mV @ 4A	500 µA @ 20V	-	Surface Mount	DO-214AA, SMB	-55°C ~ 150°C	ROHS3	Not For New Designs
SL22-E3/52T	Vishay	20	2	440 mV @ 2A	400 µA @ 20V	-	Surface Mount	DO-214AA, SMB	-55°C ~ 125°C	ROHS3	Active
SL22-E3/5BT	Vishay	20	2	440 mV @ 2A	400 µA @ 20V	-	Surface Mount	DO-214AA, SMB	-55°C ~ 125°C	ROHS3	Active
SS22T3G	onsemi	20	2	500 mV @ 2A	400 µA @ 40V	-	Surface Mount	DO-214AA, SMB	-55°C ~ 150°C	ROHS3	Last Time Buy
STPS2L25U	STMicroelectronics	25	2	450 mV @ 2A	90 µA @ 25V	-	Surface Mount	DO-214AA, SMB	150°C (Max)	ROHS3	Active
SS22 R5G	Taiwan Semiconductor	20	2	500 mV @ 2A	400 µA @ 20V	-	Surface Mount	DO-214AA, SMB	-55°C ~ 125°C	ROHS3	Discontinued at Digi-Key

Engineering Selection Recommendations

For continuous, RoHS-compliant sourcing, select substitute Schottky diodes with active product status and matching or superior electrical, mechanical, and compliance characteristics. All candidate parts listed above meet ROHS3 requirements and surface-mount standards. Ensure all regulatory certifications and component status designations conform to the specific procurement and project requirements before selection.

Frequently Asked Questions (FAQ)

Q1: What criteria are used to determine acceptable substitutes for CD214B-B220LF?
A1: Acceptable substitutes are Schottky rectifier diodes that match in reverse voltage rating, average rectified current, maximum forward voltage drop at the specified current, reverse leakage current, package type (DO-214AA, SMB), surface mount capability, and RoHS compliance.

Q2: Are all substitute parts functionally identical to CD214B-B220LF?
A2: All listed parts meet or exceed the key electrical and mechanical specifications described. Differences may occur in parameters such as reverse leakage, forward voltage at different test currents, or package lead configuration where specified.

Q3: Can these alternatives be used in the same PCB footprint as CD214B-B220LF?
A3: Components in the DO-214AA (SMB) package offer direct footprint compatibility. Other surface-mount packages (e.g., "2-SMD, No Lead") may differ mechanically and require PCB review based on provided dimensions only.

Q4: Are all substitutes currently manufactured and available?
A4: Substitute status is indicated in the table. It is possible for product status to be "Active," "Not For New Designs," "Last Time Buy," or "Discontinued." Selection should be based on actively manufactured and available parts when possible.

Q5: What compliance standards should be verified when selecting a substitute?
A5: RoHS3 compliance status is provided for each part. Ensure substitute parts meet required environmental and regulatory certifications in alignment with project and organizational standards.

Q6: Why is the operating junction temperature range important in selection?
A6: The operating temperature range defines permissible working conditions. All listed substitutes provide equivalent or extended temperature ranges compared to the original part within the provided data. Selection should align with application environment requirements.

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