CD214C-B320LF Equivalent & Substitute Parts Reference Guide

Part Overview

The Bourns Inc. CD214C-B320LF is a Schottky diode specified for 20 V DC reverse voltage and 3 A average forward rectified current, housed in a DO-214AB (SMC) surface-mount package. The part is classified as obsolete, necessitating identification of suitable and direct replacements to maintain design continuity and production capability without redesign. Substitutes must match key electrical, mechanical, and compliance parameters to ensure full compatibility.

Key Parameters

Parameter	CD214C-B320LF
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	20 V
Current - Average Rectified (Io)	3 A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 3 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 20 V
Capacitance @ Vr, F	250pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-214AB, SMC
Operating Temperature - Junction	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Affected

Substitute Part Grouping Explanation

Substitution is determined strictly by matching the critical key parameters: Schottky technology, maximum reverse voltage of 20 V, average rectified current of 3 A, maximum forward voltage drop of 500 mV at 3 A, fast switching speed, reverse leakage current, surface-mounting compatibility, and mechanical package (DO-214AB, SMC or compatible). Compliance attributes (RoHS status, MSL, REACH, product status) are also considered, ensuring sustainment of environmental and certification requirements.

Parameter Comparison

Parameter	CD214C-B320LF	CD214C-B320R	SS32	5820SMJ/TR13	MBRS320T3G	B320-13-F	SK32E3/TR13	SK32_R1_00001	SS32-E3/57T	SS32-E3/9AT	SS32-M3/57T	SS32-M3/9AT
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
Vr (Max)	20 V	20 V	20 V	20 V	20 V	20 V	20 V	20 V	20 V	20 V	20 V	20 V
Io	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A
Vf (Max) @ If	500 mV @ 3 A	500 mV @ 3 A	-	460 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A	500 mV @ 3 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 20 V	500 µA @ 20 V	500 µA @ 20 V	1.5 mA @ 20 V	2 mA @ 20 V	500 µA @ 20 V	500 µA @ 20 V	200 µA @ 20 V	500 µA @ 20 V	500 µA @ 20 V	500 µA @ 20 V	500 µA @ 20 V
Capacitance @ Vr, F	250pF @ 4V, 1MHz	250pF @ 4V, 1MHz	500pF @ 4V, 1MHz	-	-	200pF @ 4V, 1MHz	-	-	-	-	-	-
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AC, SMA	DO-214AB	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Affected	REACH Affected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Select substitute parts for CD214C-B320LF strictly based on matched electrical parameters, mechanical package, and environmental compliance. Prioritize active products with ROHS3 compliance and identical or compatible mounting and packaging (DO-214AB, SMC). Ensure the substitute part supports an MSL of 1 (Unlimited) for manufacturing suitability. Parts designated as RoHS non-compliant should only be considered when compliance is not a requirement.

Frequently Asked Questions (FAQ)

Q1: What are the required criteria to select an equivalent for CD214C-B320LF?
A1: Substitute selection requires Schottky technology, 20 V DC reverse voltage rating, 3 A average rectified current, 500 mV maximum forward voltage drop at 3 A, compatible surface-mount package (DO-214AB, SMC), and compliance with ROHS3, MSL 1, and relevant REACH status.

Q2: Are package variations (DO-214AB vs. DO-214AC/SMA) acceptable for substitution?
A2: Mechanical compatibility must be verified with existing board layouts. Only DO-214AB (SMC) packages should be considered direct mechanical replacements unless board design supports alternate packages.

Q3: Which compliance attributes are mandatory for industrial and automotive applications?
A3: ROHS3 compliance and MSL 1 status are required for industrial and automotive manufacturing environments. REACH status may also dictate selection according to regional regulations.

Q4: Is forward voltage drop or reverse leakage critical for substitution?
A4: Both maximum forward voltage drop and reverse leakage current at rated voltage must match the original part’s specification for functional equivalence.

Q5: How should product status influence selection?
A5: Only active, non-obsolete substitutes should be selected to ensure ongoing procurement and long-term availability for production.

Q6: What differences exist among substitute part numbers listed in parametric equivalents?
A6: Parametric equivalents share all critical electrical parameters but may differ in manufacturer, compliance status, or packaging. Selection should be constrained to those meeting all required criteria.

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