SMBJ5.0CE3/TR13 Transient Voltage Suppressor (TVS) Diode

Part Overview

The SMBJ5.0CE3/TR13 is an active Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose voltage clamping applications. This surface mount component operates within the -65°C to 150°C temperature range and provides 62.5A peak pulse current capability with a 9.6V maximum clamping voltage. Equivalent and substitute parts are necessary when primary sourcing becomes unavailable or when design requirements necessitate alternative manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	5	V
Voltage - Breakdown (Min)	6.4	V
Voltage - Clamping (Max) @ Ipp	9.6	V
Current - Peak Pulse (10/1000µs)	62.5	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	-
Type	Zener	-
Bidirectional Channels	1	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution eligibility for TVS diodes is determined by strict electrical parameter alignment. The critical substitution parameters are:

Voltage - Reverse Standoff: 5V (exact match required)
Voltage - Breakdown: 6.4V minimum (exact match required)
Voltage - Clamping: 9.6V maximum (allows variance ±0.4V)
Current - Peak Pulse: minimum 62.5A capability
Package / Case: DO-214AA, SMB (surface mount only)
Operating Temperature: minimum -65°C capability
Type: Zener (single channel, bidirectional)
RoHS and compliance status must be maintained

The identified substitute parts meet these electrical and mechanical compatibility criteria while originating from alternative manufacturers (MDD, Diodes Incorporated, and Taiwan Semiconductor Corporation).

Parameter Comparison

Parameter	SMBJ5.0CE3/TR13 (Microchip)	SMBJ5.0CA (MDD)	SMBJ5.0CA-13-F (Diodes Inc.)	SMBJ5V0CA (Taiwan Semi.)
Voltage - Reverse Standoff (Typ)	5V	5V	5V	5V
Voltage - Breakdown (Min)	6.4V	6.4V	6.4V	6.4V
Voltage - Clamping (Max) @ Ipp	9.6V	9.2V	9.2V	9.2V
Current - Peak Pulse (10/1000µs)	62.5A	65.3A	65.2A	65.2A
Power - Peak Pulse	600W	600W	600W	600W
Operating Temperature Range	-65 to 150°C	-65 to 150°C	-55 to 150°C	-55 to 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Type	Zener	Zener	Zener	Zener
Bidirectional Channels	1	Not specified	1	1
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All identified substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) status, consistent with the primary component. The SMBJ5.0CA (MDD) provides identical operating temperature range (-65 to 150°C) and is the most direct electrical equivalent. The SMBJ5.0CA-13-F (Diodes Incorporated) and SMBJ5V0CA (Taiwan Semiconductor Corporation) both operate within the reduced temperature range of -55 to 150°C, which may limit suitability for applications requiring extended low-temperature performance below -55°C.

All substitute parts deliver peak pulse current ratings exceeding the primary component specification (65.2–65.3A versus 62.5A), providing equivalent or superior current handling capability. The clamping voltage differential (9.2V versus 9.6V) represents a 0.4V reduction, which falls within acceptable substitution tolerance for general-purpose protection applications.

Frequently Asked Questions (FAQ)

Can SMBJ5.0CA replace SMBJ5.0CE3/TR13 in all applications?

Yes, for applications operating within the -65 to 150°C range. SMBJ5.0CA (MDD) provides identical electrical specifications and full temperature range compatibility. Electrical parameters including standoff voltage, breakdown voltage, and clamping performance are compatible with the primary component across all supported operating conditions.

What is the difference between the clamping voltages (9.6V vs. 9.2V)?

The 0.4V difference represents inherent manufacturing variation within the TVS diode category. Both values meet the 6.4V minimum breakdown requirement. The lower clamping voltage of substitute parts provides marginally improved transient suppression performance. This differential is acceptable for general-purpose applications and does not require design modification.

Are all substitute parts available in the same packaging?

Yes. All substitute parts use DO-214AA (SMB) surface mount packaging, ensuring direct footprint compatibility on printed circuit boards. Tape & Reel (TR) and Cut Tape (CT) packaging formats differ in supply presentation only; component functionality and soldering process remain identical.

Which substitute part offers the best temperature range coverage?

SMBJ5.0CA (MDD) maintains the full -65 to 150°C operating range of the primary component. SMBJ5.0CA-13-F (Diodes Incorporated) and SMBJ5V0CA (Taiwan Semiconductor Corporation) operate within -55 to 150°C. Component selection should align with minimum operating temperature requirements of the end application.

Do all substitute parts meet RoHS and REACH compliance?

Yes. All substitute parts are ROHS3 compliant and REACH Unaffected, maintaining regulatory compliance consistency with the primary SMBJ5.0CE3/TR13 component.

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