TSZU52C16 RGG Zener Diode Equivalent & Substitute Parts

Part Overview

The TSZU52C16 RGG is a surface mount zener diode manufactured by Taiwan Semiconductor Corporation, rated for 16 V nominal zener voltage with 150 mW maximum power dissipation in a 0603 package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identification of equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where original components are no longer readily available or where design flexibility permits component selection from active product lines.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	16	V
Tolerance	±5	%
Power - Max	150	mW
Impedance (Max)	40	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 12 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature Range	-55 to 125	°C (TJ)
Mounting Type	Surface Mount
Package / Case	0603 (1608 Metric)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TSZU52C16 RGG is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

Zener voltage: 16 V nominal
Tolerance: ±5%
Maximum power dissipation: 150 mW
Impedance (maximum): 40 Ohms
Reverse leakage current: 100 nA @ 12 V
Forward voltage: 900 mV maximum @ 10 mA

Mechanical & Environmental Parameters:

Package type: 0603 (1608 Metric) surface mount
Operating temperature range: -55°C to 125°C
Moisture sensitivity level: 1 (Unlimited)
RoHS3 compliance requirement
REACH unaffected status

Parts meeting all these specifications are classified as parametric equivalents and direct substitutes. Deviations in any electrical or mechanical parameter disqualify a component from substitution without circuit redesign.

Parameter Comparison

Parameter	TSZU52C16 RGG (Main Part)	TSZU52C16 (Substitute)	Match Status
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Identical
Category	Diodes, Zener	Diodes, Zener	Identical
Voltage - Zener (Nom)	16 V	16 V	Identical
Tolerance	±5%	±5%	Identical
Power - Max	150 mW	150 mW	Identical
Impedance (Max)	40 Ohms	40 Ohms	Identical
Current - Reverse Leakage @ Vr	100 nA @ 12 V	100 nA @ 12 V	Identical
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	Identical
Operating Temperature	-55°C ~ 125°C (TJ)	-55°C ~ 125°C (TJ)	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Package / Case	0603 (1608 Metric)	0603 (1608 Metric)	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Not For New Designs	Active	Substitute is Active

Engineering Selection Recommendations

The TSZU52C16 (without RGG suffix) is a direct parametric equivalent to the TSZU52C16 RGG. Both components share identical electrical specifications, mechanical packaging, and environmental operating parameters. The primary distinction is product status: the main part is classified as "Not For New Designs," while the substitute part maintains "Active" status.

For applications requiring the TSZU52C16 RGG, the TSZU52C16 substitute part is suitable for direct replacement in existing designs. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements. The substitute part's active product status provides improved long-term availability and supply chain stability compared to the end-of-life main part.

No circuit redesign or performance degradation is anticipated when substituting the TSZU52C16 for the TSZU52C16 RGG, provided the 0603 surface mount package and specified electrical parameters remain compatible with the application requirements.

Frequently Asked Questions (FAQ)

Q: Can the TSZU52C16 directly replace the TSZU52C16 RGG in existing assemblies?

A: Yes. Both parts are parametrically identical across all electrical and mechanical specifications. Direct substitution is supported without circuit modification.

Q: What does the "RGG" suffix indicate on the main part number?

A: The RGG suffix denotes the packaging format (Tape & Reel) and supplier designation. The substitute part TSZU52C16 maintains identical electrical performance and package specifications.

Q: Are there any compliance or regulatory differences between the two parts?

A: No. Both the TSZU52C16 RGG and TSZU52C16 maintain ROHS3 compliance and REACH unaffected status. No additional compliance considerations apply to substitution.

Q: Why is the main part marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status. The substitute part TSZU52C16 carries "Active" status, indicating ongoing manufacturing and availability.

Q: Does the 0603 package dimension apply to both parts?

A: Yes. Both parts use the 0603 (1608 Metric) surface mount package. PCB footprints and assembly processes remain identical.

Q: What is the moisture sensitivity level for both parts?

A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are the zener voltage tolerances identical?

A: Yes. Both parts maintain ±5% tolerance on the 16 V nominal zener voltage specification.

Q: Can the substitute part handle the same power dissipation as the main part?

A: Yes. Both parts are rated for 150 mW maximum power dissipation under identical operating conditions.

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