Equivalent & Substitute Parts for PZM12NB,115

Part Overview

The PZM12NB,115 is a Zener Diode with a nominal Zener voltage of 12 V and a maximum power dissipation of 300 mW. It features ±5% voltage tolerance, a maximum impedance of 10 Ohms, and is packaged in a surface mount TO-236-3, SC-59, or SOT-23-3 case. This part is classified as obsolete. For ongoing production or maintenance requirements, selection of alternative models with identical or closely matching key parameters is necessary.

Key Parameters

Parameter	Specification
Voltage - Zener (Nom) (Vz)	12 V
Tolerance	±5%
Power - Max	300 mW
Impedance (Max) (Zzt)	10 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 9 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA
Operating Temperature	-65°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution is strictly determined by the following key parameters: Zener voltage (Vz), voltage tolerance, maximum power dissipation, maximum Zener impedance (Zzt), reverse leakage current specification, forward voltage, operating temperature range, mounting type, and package compatibility. Substitute parts listed match or closely align with these parameters, ensuring functional and mechanical equivalency for applications that require direct replacement.

Parameter Comparison

Parameter	PZM12NB,115	BZX84C12-7-F	CZRT5242B-G	BZX84-C12,215	BZX84C12LT1G
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	12 V	12 V	12 V	12 V	12 V
Tolerance	±5%	±5%	±5%	±5%	±5%
Power - Max	300 mW	300 mW	300 mW	250 mW	250 mW
Impedance (Max) (Zzt)	10 Ohms	25 Ohms	30 Ohms	25 Ohms	25 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 9 V	100 nA @ 8 V	1 µA @ 9.1 V	100 nA @ 8 V	100 nA @ 8 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C (TJ)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The PZM12NB,115 is currently classified as obsolete. Substitute parts BZX84C12-7-F, CZRT5242B-G, BZX84-C12,215, and BZX84C12LT1G are classified as active and meet RoHS3 Compliance and REACH Unaffected status. All substitute parts are supplied in compatible packages, have matching operating temperature ratings, and meet or exceed standard industry compliance requirements as listed in the provided parameters.

Frequently Asked Questions (FAQ)

Q1: Which parameters are critical when selecting a substitute for the PZM12NB,115 Zener diode?
A1: The critical parameters are Zener voltage (Vz), voltage tolerance, maximum power dissipation, Zener impedance, reverse leakage current, forward voltage, operating temperature, mounting type, and package/case type.

Q2: Are the listed substitute parts compatible in package and footprint with the PZM12NB,115?
A2: All listed substitute parts use the same package types (TO-236-3, SC-59, SOT-23-3) and are surface mount devices, ensuring compatibility in footprint and mounting.

Q3: How do power dissipation and impedance differences affect substitution?
A3: Substitute parts with equal or slightly lower power dissipation and higher Zener impedance are listed. Selection is limited to the exact parameter sets provided.

Q4: What compliance standards do substitute parts meet?
A4: All listed substitute parts are ROHS3 Compliant, meet Moisture Sensitivity Level (MSL) 1 (Unlimited), and are REACH Unaffected, as specified in the provided parameters.

Q5: Is there any difference in operating temperature range among substitutes?
A5: All parts, including substitutes, specify the same operating temperature range of -65°C to 150°C, except for a slight notation difference in one part referencing (TJ). The ranges are otherwise equivalent based on provided input.

Q6: Are all listed substitutes currently available and not obsolete?
A6: All listed substitute parts are classified as active according to the provided data, whereas the PZM12NB,115 is obsolete.

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