Equivalent & Substitute Parts Reference for CD214B-F250

Part Overview

CD214B-F250 is a general-purpose rectifier diode from Bourns Inc., designed for surface mount applications in the DO-214AA (SMB) package. It offers a maximum reverse voltage of 50 V and an average rectified current of 2 A. The device is obsolete, making it necessary to identify equivalent and substitute models to ensure continued production support and maintenance of legacy designs requiring these electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214B-F250
Category	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	2A
Voltage - Forward (Vf) (Max) @ If	920 mV @ 1A
Speed	Standard Recovery >500ns, >200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 50 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

Equivalent and substitute diodes for CD214B-F250 are selected strictly according to these key parameters:

Maximum Reverse Voltage (Vr)
Maximum Average Rectified Current (Io)
Maximum Forward Voltage Drop (Vf)
Recovery Speed
Reverse Leakage Current
Package Type (DO-214AA/SMB or mechanically compatible)
Mounting Type (Surface Mount)
Compliance status (RoHS)

All substitutes listed conform to these criteria as provided in the input, ensuring compatibility in electrical, mechanical, and regulatory aspects.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Package / Case	Mounting Type	RoHS Status	Operating Temperature - Junction
CD214B-F250	Bourns Inc.	50 V	2A	920 mV @ 1A	Standard Recovery >500ns, >200mA	5 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-55°C ~ 125°C
CD214B-FS2D	Bourns Inc.	200 V	2A	950 mV @ 2A	Fast Recovery =<500ns, >200mA	5 µA @ 200 V	2-SMD	Surface Mount	ROHS3 Compliant	-65°C ~ 175°C
ES2A-13-F	Diodes Incorporated	50 V	2A	920 mV @ 2A	Fast Recovery =<500ns, >200mA	5 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-55°C ~ 150°C
CGRB201-G	Comchip Technology	50 V	2A	1.1 V @ 2A	Standard Recovery >500ns, >200mA	5 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	150°C (Max)
ES2A	YAGEO	50 V	2A	0.95 V	-	-	DO-214AA	Surface Mount	ROHS3 Compliant	-
ES2A-E3/52T	Vishay General Semiconductor	50 V	2A	900 mV @ 2A	Fast Recovery =<500ns, >200mA	10 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-55°C ~ 150°C
ES2A-E3/5BT	Vishay General Semiconductor	50 V	2A	900 mV @ 2A	Fast Recovery =<500ns, >200mA	10 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-50°C ~ 150°C
MURS105T3G	onsemi	50 V	1A	875 mV @ 1A	Fast Recovery =<500ns, >200mA	2 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-65°C ~ 175°C
S2A	Diotec Semiconductor	50 V	2A	1.15 V @ 2A	Standard Recovery >500ns, >200mA	5 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-50°C ~ 150°C
SURS8105T3G-VF01	onsemi	50 V	1A	875 mV @ 1A	Fast Recovery =<500ns, >200mA	2 µA @ 50 V	DO-214AA, SMB	Surface Mount	ROHS3 Compliant	-65°C ~ 175°C

Engineering Selection Recommendations

Substitute selection is based on the following:

The original device, CD214B-F250, is obsolete.
All listed substitutes are RoHS compliant, matching required legislation for environmental compliance.
Substitute parts with the DO-214AA (SMB) package and surface mount type maintain mechanical compatibility.
Product status is active for substitutes, ensuring ongoing supply.
All substitute parts provide equivalent reverse voltage, current, and rectification as per provided parameters.

Frequently Asked Questions (FAQ)

Q1: What determines if a diode is a valid substitute for CD214B-F250?
A1: Substitution is determined by matching these parameters: maximum reverse voltage, average rectified current, forward voltage drop, speed/recovery time, reverse leakage, package type (DO-214AA/SMB), mounting type, and RoHS compliance.

Q2: Is it necessary to match the package type exactly?
A2: For mechanical compatibility, using the same package type—DO-214AA (SMB)—is required when substituting CD214B-F250 in existing layouts.

Q3: Can diodes with higher voltage ratings be used as substitutes?
A3: Only substitute diodes that meet or exceed the maximum reverse voltage without affecting form factor or mounting compatibility, strictly per provided parameters.

Q4: Are substitutes with a different forward voltage acceptable?
A4: Substitute devices with differing forward voltage values must still match the electrical and thermal limits as listed. All substitute values provided fall within the allowable range for CD214B-F250 per the input data.

Q5: Why is RoHS compliance important in the selection?
A5: RoHS compliance ensures the substitute diode meets mandated environmental standards. Substitute parts listed all meet this requirement.

Q6: How does obsolete status affect substitution?
A6: Obsolete status means the original part is no longer in production or supported; therefore, substitutes with comparable parameters and active product status allow continued production and maintenance.

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