CD214A-B230LF Equivalent & Substitute Parts

Part Overview

The CD214A-B230LF is a Schottky rectifier diode manufactured by Bourns Inc., rated for 30 V DC reverse voltage and 2 A average rectified current in a DO-214AC (SMA) surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The diode features fast recovery characteristics with forward voltage of 500 mV at 2 A and operates across a junction temperature range of -55°C to 125°C. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating available packaging and product status options.

Key Parameters

Parameter	CD214A-B230LF Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 2 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	500 µA @ 30 V	µA
Capacitance @ Vr, F	200 pF @ 4V, 1MHz	pF
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction	-55°C ~ 125°C	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitute parts for the CD214A-B230LF are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Current - Average Rectified (Io): 2 A minimum
Technology: Schottky
Package / Case: DO-214AC (SMA) surface mount
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature Range: Must accommodate -55°C to 125°C minimum

Secondary Compatibility Parameters:

Voltage - Forward (Vf) (Max) @ If: 500 mV or lower at 2 A
Current - Reverse Leakage @ Vr: 500 µA or lower at 30 V
RoHS3 Compliance
MSL Level 1 (Unlimited)

Substitute parts are grouped into two categories:

Direct Equivalents (Same Electrical Specifications): Parts meeting all critical parameters with identical or superior electrical performance. These include B230A-13-F, B230LA-M3/5AT, B230LA-M3/61T, SSA23L-E3/5AT, SSA23L-M3/5AT, SSA23L-M3/61T, and SSA23LHE3_A/H.

Similar Parts (Voltage Upgrade): CD214A-B240R operates at 40 V DC reverse voltage, providing higher voltage margin while maintaining 2 A current rating and identical forward voltage characteristics. This part is suitable for applications where voltage headroom is beneficial.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ 2A [mV]	Ir @ Vr [µA]	Package	Temp Range [°C]	Product Status
CD214A-B230LF	Bourns Inc.	30	2	500	500 @ 30V	DO-214AC (SMA)	-55 ~ 125	Obsolete
B230A-13-F	Diodes Incorporated	30	2	500	500 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
B230LA-M3/5AT	Vishay General Semiconductor	30	2	500	500 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
B230LA-M3/61T	Vishay General Semiconductor	30	2	500	500 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
SS23S-M3/5AT	Vishay General Semiconductor	30	2	500	400 @ 30V	DO-214AC (SMA)	-65 ~ 125	Active
SS23S-M3/61T	Vishay General Semiconductor	30	2	500	400 @ 30V	DO-214AC (SMA)	-65 ~ 125	Active
SSA23L-E3/5AT	Vishay General Semiconductor	30	2	450	500 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
SSA23L-M3/5AT	Vishay General Semiconductor	30	2	490	200 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
SSA23L-M3/61T	Vishay General Semiconductor	30	2	450	200 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
SSA23LHE3_A/H	Vishay General Semiconductor	30	2	450	500 @ 30V	DO-214AC (SMA)	-65 ~ 150	Active
CD214A-B240R	Bourns Inc.	40	2	500	200 @ 40V	2-SMD, No Lead	-55 ~ 125	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

B230A-13-F (Diodes Incorporated) is the primary recommended substitute. This part maintains all electrical specifications of the CD214A-B230LF while offering active product status, extended operating temperature range (-65°C to 150°C), and identical DO-214AC (SMA) packaging. Both parts are ROHS3 compliant with MSL Level 1 rating.

B230LA-M3/5AT and B230LA-M3/61T (Vishay General Semiconductor) provide equivalent electrical performance with active status and extended temperature range. These parts are supplied in Tape & Reel packaging and maintain identical voltage, current, and forward voltage specifications.

For Enhanced Performance (Lower Forward Voltage):

SSA23L-E3/5AT and SSA23L-M3/61T (Vishay General Semiconductor) offer reduced forward voltage (450 mV at 2 A) compared to the original specification (500 mV at 2 A), resulting in lower power dissipation. These parts maintain all other electrical parameters and are suitable for applications where thermal management is a design consideration.

For Voltage Margin Applications:

CD214A-B240R (Bourns Inc.) provides 40 V DC reverse voltage rating while maintaining 2 A current capacity and identical forward voltage. This part is suitable for applications requiring higher voltage headroom. Note that this part uses 2-SMD packaging rather than DO-214AC (SMA), requiring PCB layout modification.

Product Status Consideration:

All recommended substitutes carry active product status, ensuring long-term availability and supply chain continuity. The original CD214A-B230LF is obsolete and should be replaced in new designs.

Frequently Asked Questions (FAQ)

Q: Can B230A-13-F directly replace CD214A-B230LF without circuit modification?

A: Yes. B230A-13-F maintains identical voltage (30 V), current (2 A), forward voltage (500 mV @ 2 A), and package (DO-214AC SMA) specifications. The extended operating temperature range (-65°C to 150°C versus -55°C to 125°C) provides additional margin. No circuit modification is required.

Q: What is the difference between SSA23L-M3/5AT and SSA23L-E3/5AT?

A: Both parts are rated for 30 V, 2 A in DO-214AC (SMA) packaging with active status. SSA23L-E3/5AT has forward voltage of 450 mV at 2 A, while SSA23L-M3/5AT has forward voltage of 490 mV at 2 A. SSA23L-M3/5AT exhibits lower reverse leakage current (200 µA versus 500 µA at 30 V). Selection depends on whether lower forward voltage or lower leakage current is prioritized.

Q: Why does CD214A-B240R have different packaging (2-SMD) compared to the original part (DO-214AC)?

A: CD214A-B240R uses 2-SMD (No Lead) packaging, which differs from the DO-214AC (SMA) package of CD214A-B230LF. While both are surface mount packages, they have different footprints and require different PCB land patterns. This part is suitable only if PCB layout can be modified to accommodate the 2-SMD package.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the original CD214A-B230LF.

Q: What is the significance of the temperature range difference between CD214A-B230LF (-55°C to 125°C) and substitute parts like B230A-13-F (-65°C to 150°C)?

A: The substitute parts offer extended temperature range, providing additional operational margin at both low and high temperatures. If the original design operates within -55°C to 125°C, the extended range of substitute parts ensures compatibility with no thermal derating required. This is a beneficial characteristic for long-term reliability.

Q: Can SSA23LHE3_A/H be used in non-automotive applications?

A: SSA23LHE3_A/H is qualified to AEC-Q101 automotive standards and carries automotive-grade designation. While the part can be used in non-automotive applications, it is specifically qualified for automotive use. For non-automotive applications, other substitutes such as B230A-13-F or SSA23L-M3/5AT are appropriate selections.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape in reel format, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel packaging provides components on tape that can be cut to length, offering flexibility for lower-volume or mixed-component orders. Both packaging formats contain identical components; the difference is in supply format and handling.

Q: Is reverse leakage current a critical parameter for substitution?

A: Reverse leakage current affects power dissipation and circuit performance in high-impedance applications. The original CD214A-B230LF specifies 500 µA at 30 V. Substitute parts range from 200 µA to 500 µA at 30 V. Parts with lower leakage (200 µA) provide reduced standby power consumption. Selection depends on application requirements; all listed substitutes remain within acceptable operating parameters for standard rectifier applications.

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