CD214A-B170LF Equivalent & Substitute Parts Reference

Part Overview

CD214A-B170LF is a Schottky diode, classified under Diodes, Rectifiers, manufactured by Bourns Inc. This device features fast recovery (< 500ns), supports a maximum DC reverse voltage (Vr) of 70V and average rectified current (Io) of 1A, with a forward voltage drop of 790mV at 1A. The part uses the DO-214AC (SMA) surface mount package, is RoHS3 compliant, and is rated for junction temperatures between -55°C and +125°C.

This part is listed as Obsolete, making the identification of suitable substitutes necessary for ongoing maintenance, procurement, and new designs. Substitutes must match or improve upon critical electrical and mechanical parameters to ensure compatibility.

Key Parameters

Parameter	CD214A-B170LF Value
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	70 V
Current - Average Rectified (Io)	1A
Voltage - Forward (Vf) (Max) @ If	790 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, >200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 70 V
Capacitance @ Vr, F	30pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-214AC (SMA)
Supplier Device Package	DO-214AC (SMA)
Operating Temperature - Junction	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Affected

Substitute Part Grouping Explanation

Substitution logic for Schottky rectifier diodes is strictly based on equivalent or higher ratings for the following parameters: technology type (Schottky), maximum reverse voltage, average rectified current, forward voltage drop at specified current, speed, reverse leakage current, junction capacitance, surface-mount capability, and package compatibility (DO-214AC/SMA or comparable SMD types). RoHS and REACH compliance as well as product status (active/obsolete/not for new designs) are included for precise engineering selection.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Capacitance @ Vr, F	Mounting Type	Package / Case	Operating Temperature - Junction	RoHS Status	MSL	REACH Status
CD214A-B170LF	Bourns Inc.	Obsolete	Schottky	70 V	1A	790 mV @ 1 A	Fast Recovery ≤ 500ns, >200mA (Io)	500 µA @ 70 V	30pF @ 4V, 1MHz	Surface Mount	DO-214AC (SMA)	-55°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	REACH Affected
CD214A-B1100R	Bourns Inc.	Active	Schottky	100 V	1A	790 mV @ 1 A	Fast Recovery ≤ 500ns, >200mA (Io)	500 µA @ 100 V	110pF @ 4V, 1MHz	Surface Mount	2-SMD, No Lead	-55°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	REACH Affected
B170-13-F	Diodes Inc.	Active	Schottky	70 V	1A	790 mV @ 1 A	Fast Recovery ≤ 500ns, >200mA (Io)	500 µA @ 70 V	80pF @ 4V, 1MHz	Surface Mount	DO-214AC (SMA)	-65°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
B180-13-F	Diodes Inc.	Active	Schottky	80 V	1A	790 mV @ 1 A	Fast Recovery ≤ 500ns, >200mA (Io)	500 µA @ 80 V	80pF @ 4V, 1MHz	Surface Mount	DO-214AC (SMA)	-65°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
SS18	onsemi	Not For New Designs	Schottky	80 V	1A	850 mV @ 1 A	Fast Recovery ≤ 500ns, >200mA (Io)	200 µA @ 80 V	-	Surface Mount	DO-214AC (SMA)	-65°C ~ 125°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
SS18-LTP	Micro Commercial Co	Not For New Designs	Schottky	80 V	1A	850 mV @ 1 A	Fast Recovery ≤ 500ns, >200mA (Io)	50 µA @ 80 V	35pF @ 4V, 1MHz	Surface Mount	DO-214AC (SMA)	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected

Engineering Selection Recommendations

Substitute selection for CD214A-B170LF should prioritize active product status and ROHS3 compliance. B170-13-F, B180-13-F, and CD214A-B1100R are categorized as Active. All listed substitutes have RoHS3 compliance and MSL 1 (Unlimited). REACH status should be selected based on specific project requirements. Products designated as Not For New Designs, such as SS18 and SS18-LTP, align with legacy or maintenance contexts only.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting CD214A-B170LF?
A1: Substitution requires matching or exceeding reverse voltage (Vr), average rectified current (Io), forward voltage (Vf) at 1A, package/case type, speed, reverse leakage current, and compliance standards.

Q2: Does package type affect compatibility for surface mount applications?
A2: Yes. CD214A-B170LF’s DO-214AC (SMA) package must be matched for direct drop-in replacement. Substitute parts with the same package ensure compatibility with existing layouts.

Q3: Are substitutes with a higher voltage or lower forward voltage suitable?
A3: Substitutes featuring a higher maximum reverse voltage or equal/lower forward voltage at rated current maintain or improve the device’s breakdown and efficiency parameters.

Q4: Does the reverse leakage current need to match exactly?
A4: Substitutes must have a reverse leakage current at or below the specified maximum to ensure reliability and prevent excess losses.

Q5: How do compliance and product status affect selection?
A5: Only parts that are ROHS3 compliant and actively in production are preferred for new designs. "Not For New Designs" and obsolete substitutes are typically used for maintenance or last-time buys.

Q6: Is REACH compliance mandatory for substitution?
A6: REACH status should follow application and organizational requirements; both Affected and Unaffected options are available among substitute parts.

Q7: What junction operating temperature range should be considered?
A7: The substitute’s specified junction temperature range must encompass the required environmental and operating conditions. All listed substitutes provide equal or greater range compared to the original part.

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