CLL4620 TR Equivalent & Substitute Parts Reference

Part Overview

Manufacturer Part Number CLL4620 TR from Central Semiconductor Corp is a Zener diode with key characteristics such as a 3.3 V Zener voltage, 500 mW maximum power, surface-mount SOD-80 package, and ±5% tolerance. It features a maximum impedance of 1650 Ohms and a reverse leakage current of 7.5 µA at 1.5 V. The product status is marked as Obsolete, necessitating the search for equivalent and substitute models to ensure continued component availability in designs relying on these specific electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	CLL4620 TR
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	3.3 V
Tolerance	±5%
Power - Max	500 mW
Impedance (Max) (Zzt)	1650 Ohms
Current - Reverse Leakage @ Vr	7.5 µA @ 1.5 V
Voltage - Forward (Vf) (Max) @ If	1 V @ 200 mA
Operating Temperature	-65°C ~ 200°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package	SOD-80
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for CLL4620 TR is determined strictly by matching the critical parameters: Zener voltage (3.3 V), tolerance (±5%), maximum power (500 mW), maximum impedance (1650 Ohms), reverse leakage current (7.5 µA @ 1.5 V), mounting type (Surface Mount), and equivalent package form factors. Any substitute part listed must provide these values within the specified limits to qualify as a direct equivalent in the Zener diode category.

Parameter Comparison

Parameter	CLL4620 TR	CMHZ4620 TR
Manufacturer	Central Semiconductor Corp	Central Semiconductor Corp
Category	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	3.3 V	3.3 V
Tolerance	±5%	±5%
Power - Max	500 mW	500 mW
Impedance (Max) (Zzt)	1650 Ohms	1650 Ohms
Current - Reverse Leakage @ Vr	7.5 µA @ 1.5 V	7.5 µA @ 1.5 V
Voltage - Forward (Vf) (Max) @ If	1 V @ 200 mA	1.5 V @ 100 mA
Operating Temperature (TJ)	-65°C ~ 200°C	-65°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	DO-213AC, MINI-MELF, SOD-80	SOD-123
Supplier Device Package	SOD-80	SOD-123
Product Status	Obsolete	Active

Engineering Selection Recommendations

Given that CLL4620 TR is obsolete, selection of substitute parts must be done solely on the basis of identical electrical parameters and compatible package form factors for the Diodes, Zener category. Substitute parts such as CMHZ4620 TR match the key electrical specifications and provide active product status for continued sourcing. For regulatory compliance, both parts list ECCN: EAR99 and HTSUS: 8541.10.0050. CMHZ4620 TR additionally states REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q1: What are the most important criteria for substituting CLL4620 TR?
A1: Voltage - Zener (Nom) (Vz), tolerance, power rating, impedance, reverse leakage current, mounting type, and package compatibility are strictly required for substitution.

Q2: Is package compatibility mandatory for substitution?
A2: Yes. Compatible surface-mount packages (e.g., SOD-80, SOD-123) are necessary for direct replacement in PCB designs.

Q3: Can I use a part with different reverse leakage thresholds or temperatures?
A3: Only parts matching the specified electrical and mechanical parameters provided for CLL4620 TR are considered suitable substitutes.

Q4: Are there any compliance or certification differences to consider?
A4: Both CLL4620 TR and CMHZ4620 TR have ECCN: EAR99 and HTSUS: 8541.10.0050. CMHZ4620 TR is also REACH Unaffected.

Q5: What are some listed substitutes for CMHZ4620 TR?
A5: Substitute part numbers for CMHZ4620 TR include BZT52C3V3LP-7, BZT52C3V3-HE3-08, BZT52C3V3-7-F, MMSZ5226B-E3-08, MMSZ5226B-7-F as indicated in provided data.

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