CLL5265B TR Equivalent & Substitute Parts

Part Overview

The CLL5265B TR is a Zener diode rated at 62 V nominal voltage with 500 mW power dissipation, manufactured by Central Semiconductor Corp in SOD-80 surface mount packaging. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and production continuity. The part operates across a temperature range of -65°C to 200°C and features ±5% voltage tolerance with 185 Ohms maximum impedance.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	62	V
Tolerance	±5%	%
Power - Max	500	mW
Impedance (Max)	185	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 47 V
Voltage - Forward (Vf) (Max) @ If	1.25	V @ 200 mA
Operating Temperature Range	-65 to 200	°C
Mounting Type	Surface Mount	—
Package / Case	DO-213AC, MINI-MELF, SOD-80	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the CLL5265B TR is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Matching Parameters:

Zener voltage: 62 V nominal
Voltage tolerance: ±5%
Maximum power dissipation: 500 mW
Maximum impedance: 185 Ohms
Reverse leakage current: 100 nA @ 47 V
Package type: SOD-80 (DO-213AC, MINI-MELF)
Mounting configuration: Surface Mount

The TZM5265B-GS08 manufactured by Vishay General Semiconductor - Diodes Division meets all specified electrical parameters and physical packaging requirements. This part is classified as active product status, ensuring ongoing availability and supply chain support.

Parameter Comparison

Parameter	CLL5265B TR	TZM5265B-GS08	Match Status
Voltage - Zener (Nom)	62 V	62 V	Equivalent
Tolerance	±5%	±5%	Equivalent
Power - Max	500 mW	500 mW	Equivalent
Impedance (Max)	185 Ohms	185 Ohms	Equivalent
Current - Reverse Leakage @ Vr	100 nA @ 47 V	100 nA @ 47 V	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.1 V @ 200 mA	Compatible (Lower Vf)
Operating Temperature Range	-65 to 200°C	-65 to 175°C	Compatible (Subset)
Package / Case	SOD-80	SOD-80	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
Product Status	Obsolete	Active	Upgrade Available
RoHS Status	Not specified	ROHS3 Compliant	Compliant

Engineering Selection Recommendations

The TZM5265B-GS08 is the direct functional equivalent for the obsolete CLL5265B TR. Selection of this substitute is based on the following engineering criteria:

Electrical Equivalence: All critical electrical parameters match or exceed the original specification. The forward voltage (Vf) of the substitute is lower (1.1 V versus 1.25 V), which represents improved performance characteristics within the same functional class.

Product Status: The TZM5265B-GS08 maintains active product status with documented inventory availability (2590 Pcs), ensuring supply chain continuity and long-term design support.

Compliance and Certification: The substitute part is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0050) classifications.

Thermal Operating Range: The substitute operates across -65°C to 175°C, which covers the majority of the original part's range. Applications requiring operation above 175°C must be evaluated separately.

Packaging and Mounting: Identical SOD-80 surface mount packaging ensures direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the TZM5265B-GS08 be used as a direct replacement for CLL5265B TR without circuit modifications?

A: Yes. The TZM5265B-GS08 meets all specified electrical parameters and uses identical SOD-80 surface mount packaging. No circuit modifications are required for standard applications operating within -65°C to 175°C.

Q: What is the significance of the lower forward voltage (Vf) in the substitute part?

A: The TZM5265B-GS08 exhibits a forward voltage of 1.1 V compared to 1.25 V in the original part. This represents improved efficiency characteristics and is compatible with applications designed for the original specification, as it falls within acceptable operating margins.

Q: Are there any temperature range limitations when substituting the TZM5265B-GS08?

A: The substitute part is rated for -65°C to 175°C, compared to the original -65°C to 200°C. Applications requiring operation above 175°C must be evaluated against specific thermal requirements and may require alternative component selection.

Q: What compliance certifications apply to the substitute part?

A: The TZM5265B-GS08 is ROHS3 compliant and REACH unaffected. Both the original and substitute parts share identical ECCN (EAR99) and HTSUS (8541.10.0050) classifications for export and tariff purposes.

Q: Is the substitute part available in the same packaging format?

A: Yes. Both parts use SOD-80 (DO-213AC, MINI-MELF) surface mount packaging with identical physical dimensions and PCB footprints. The substitute is supplied in Tape & Reel (TR) format.

Q: What is the product status difference between the original and substitute parts?

A: The CLL5265B TR is classified as obsolete, while the TZM5265B-GS08 is active product. Active status ensures ongoing manufacturing, documented specifications, and supply chain availability for future production requirements.

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