CD214B-T60ALF Equivalent & Substitute Parts

Part Overview

The CD214B-T60ALF is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Bourns Inc. in the DO-214AA (SMB) surface mount package. Designed for general-purpose transient voltage suppression applications, this component features a 60V reverse standoff voltage and 96.8V maximum clamping voltage with 6.2A peak pulse current capability. The part is classified as obsolete, necessitating identification of active equivalent and substitute components to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	60V
Voltage - Breakdown (Min)	66.7V
Voltage - Clamping (Max) @ Ipp	96.8V
Current - Peak Pulse (10/1000µs)	6.2A
Power - Peak Pulse	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature Range	-55°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CD214B-T60ALF is determined by strict equivalence across the following critical parameters:

Direct Equivalents (Identical Electrical & Mechanical Specifications):

Voltage - Reverse Standoff: 60V
Voltage - Clamping (Max) @ Ipp: 96.8V
Current - Peak Pulse: 6.2A
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Similar Parts (Different Voltage Ratings):

Voltage - Reverse Standoff: 51V
Voltage - Clamping (Max) @ Ipp: 82.4V
Current - Peak Pulse: 7.3A
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Package / Case	Operating Temperature	RoHS Status
CD214B-T60ALF	Bourns Inc.	Obsolete	60V	96.8V	6.2A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3 Compliant
SMBJ60A	MDD	Active	60V	96.8V	6.2A	600W	DO-214AA, SMB	-50°C ~ 150°C	ROHS3 Compliant
SMBJ60A-TP	Micro Commercial Co	Active	60V	96.8V	6.2A	600W	DO-214AA, SMB	-55°C ~ 175°C	ROHS3 Compliant
TV06B600J-G	Comchip Technology	Active	60V	96.8V	6.2A	600W	DO-214AA, SMB	Not Specified	ROHS3 Compliant
TV06B600J-HF	Comchip Technology	Active	60V	96.8V	6.2A	600W	DO-214AA, SMB	Not Specified	ROHS3 Compliant
SMBJ51A-HR	Littelfuse Inc.	Active	51V	82.4V	7.3A	600W	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant
SZ1SMB51AT3G	Littelfuse Inc.	Active	51V	82.4V	7.3A	600W	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Preferred):

SMBJ60A (MDD), SMBJ60A-TP (Micro Commercial Co), TV06B600J-G (Comchip Technology), and TV06B600J-HF (Comchip Technology) are direct electrical and mechanical equivalents to the CD214B-T60ALF. All maintain identical voltage ratings (60V reverse standoff, 96.8V clamping), current specifications (6.2A peak pulse), and package configuration (DO-214AA, SMB). All substitute parts are active products with ROHS3 compliance and MSL 1 rating. SMBJ60A-TP offers extended operating temperature range (-55°C ~ 175°C) compared to the original specification (-55°C ~ 150°C).

Alternative Selection (Lower Voltage Rating):

SMBJ51A-HR (Littelfuse Inc.) and SZ1SMB51AT3G (Littelfuse Inc.) are similar parts with lower voltage ratings (51V reverse standoff, 82.4V clamping) and higher peak pulse current (7.3A). These components are suitable only for applications where the lower voltage threshold is acceptable. SZ1SMB51AT3G includes automotive-grade qualification (AEC-Q101) and specified capacitance (345pF @ 1MHz). Both parts maintain the same package and power dissipation specifications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ60A directly replace CD214B-T60ALF?

A: Yes. SMBJ60A is a direct equivalent with identical electrical specifications (60V reverse standoff, 96.8V clamping voltage, 6.2A peak pulse current) and package configuration (DO-214AA, SMB). Both are ROHS3 compliant with MSL 1 rating. The primary difference is product status: CD214B-T60ALF is obsolete while SMBJ60A is active.

Q: What is the difference between SMBJ60A and SMBJ60A-TP?

A: Both parts are electrically identical with 60V reverse standoff and 96.8V clamping specifications. SMBJ60A-TP offers an extended operating temperature range (-55°C ~ 175°C) compared to SMBJ60A (-50°C ~ 150°C). SMBJ60A-TP is supplied in Tape & Reel packaging, while SMBJ60A packaging is not specified.

Q: Can SMBJ51A-HR be used as a substitute?

A: SMBJ51A-HR is a similar part but not a direct equivalent. It features a lower voltage rating (51V reverse standoff versus 60V) and lower clamping voltage (82.4V versus 96.8V). This part is suitable only for applications where the lower voltage threshold meets circuit requirements. Higher peak pulse current (7.3A) does not compensate for voltage differences.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (SMBJ60A, SMBJ60A-TP, TV06B600J-G, TV06B600J-HF, SMBJ51A-HR, and SZ1SMB51AT3G) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the difference between TV06B600J-G and TV06B600J-HF?

A: Both Comchip Technology parts are electrically identical with 60V reverse standoff and 96.8V clamping specifications. Operating temperature ranges are not specified for either variant. Selection between these parts should be based on availability and supplier preference, as electrical performance is equivalent.

Q: Does SZ1SMB51AT3G include automotive qualification?

A: Yes. SZ1SMB51AT3G is automotive-grade with AEC-Q101 qualification. This part is suitable for automotive applications requiring transient voltage suppression. However, its lower voltage rating (51V reverse standoff) must be verified against circuit requirements before selection.

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