SMBJ5380C/TR13 Equivalent & Substitute Zener Diodes Reference

Part Overview

The SMBJ5380C/TR13 by Microchip Technology is a surface-mount Zener diode rated for 120 V nominal Zener voltage and 5 W maximum power dissipation in the DO-214AA (SMBJ) package. It features ±2% voltage tolerance, 170 Ohms maximum impedance, and 500 nA reverse leakage at 86.4 V. The product is active and available in Tape & Reel packaging. Identifying suitable alternatives is necessary when considering RoHS compliance requirements, lead-time constraints, or multi-source approval for the same circuit position.

Key Parameters

Parameter	SMBJ5380C/TR13
Category	Diodes, Zener
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Voltage - Zener (Nom) (Vz)	120 V
Tolerance	±2%
Power - Max	5 W
Impedance (Max) (Zzt)	170 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 86.4 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1 A
Operating Temperature	-65°C ~ 150°C
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Equivalent and substitute Zener diodes are grouped based on matching the following strictly defined parameters: Category (Diodes, Zener), Zener voltage (120 V), surface-mount DO-214AA (SMB) package, and operating temperature range. Additional matched fields include mounting type, inventory status, and package code. The tolerance, power rating, impedance, reverse leakage, and RoHS status are compared for application-specific selection, as only provided parameters are considered.

Parameter Comparison

Parameter	SMBJ5380C/TR13 (Microchip Technology)	SZ1SMB5951BT3G (onsemi)
Category	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	120 V	120 V
Tolerance	±2%	±5%
Power - Max	5 W	3 W
Impedance (Max) (Zzt)	170 Ohms	380 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 86.4 V	1 µA @ 91.2 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1 A	900 mV @ 10 mA
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

For applications where RoHS compliance is required, SZ1SMB5951BT3G is ROHS3 Compliant, while SMBJ5380C/TR13 is RoHS non-compliant. Both Zener diodes are classified as active, share the same DO-214AA, SMB package, operating temperature range, and moisture sensitivity level. Qualification differences and any specific grade designations are as listed in the parameter tables.

Frequently Asked Questions (FAQ)

Q1: Which parameters must match for Zener diode substitution?
A1: The primary substitution criteria are Zener voltage (120 V), package (DO-214AA, SMB), mounting type (Surface Mount), and operating temperature range (-65°C ~ 150°C).

Q2: How does tolerance affect substitutability?
A2: SMBJ5380C/TR13 specifies ±2% tolerance; SZ1SMB5951BT3G specifies ±5%. Tolerance must match circuit requirements as listed.

Q3: Are there differences in power rating and impedance?
A3: Yes. SMBJ5380C/TR13 has a maximum power rating of 5 W and impedance of 170 Ohms; SZ1SMB5951BT3G is rated for 3 W and 380 Ohms impedance.

Q4: What are the package compatibility considerations?
A4: Both components use the DO-214AA, SMB package and are surface-mount devices.

Q5: Are all substitutes RoHS compliant?
A5: SMBJ5380C/TR13 is RoHS non-compliant. SZ1SMB5951BT3G is ROHS3 Compliant.

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