CLL4713 TR Equivalent & Substitute Parts

Part Overview

The CLL4713 TR is a 30 V, 500 mW Zener diode manufactured by Central Semiconductor Corp in SOD-80 (MINI-MELF) surface mount package. This component is classified as obsolete, indicating discontinued production and limited availability. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications requiring 30 V Zener regulation at 500 mW power dissipation.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	30	V
Power - Max	500	mW
Tolerance	±5%	-
Current - Reverse Leakage @ Vr	10 nA @ 22.8 V	-
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 100 mA	-
Operating Temperature	-65°C ~ 200°C	TJ
Mounting Type	Surface Mount	-
Package / Case	DO-213AC, MINI-MELF, SOD-80	-

Substitute Part Grouping Explanation

Substitute parts for the CLL4713 TR are selected based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Voltage - Zener (Nom): 30 V
Power - Max: 500 mW
Mounting Type: Surface Mount
Package / Case: SOD-80 (MINI-MELF) or compatible surface mount package

Secondary Compatibility Factors:

Operating Temperature Range: Minimum -65°C to 150°C or higher
Reverse Leakage Current: Specified at comparable voltage reference points
Forward Voltage: Maximum 1.5 V at forward current conditions

Substitute parts are grouped into two categories:

Category 1: Same Package (SOD-80 MINI-MELF) Parts maintaining identical SOD-80 package specification with active product status and full compliance certifications. These include Vishay TLZ series components (TLZ30A-GS08, TLZ30B-GS18, TLZ30C-GS08, TLZ30C-GS18, TLZ30D-GS08, TLZ30D-GS18).

Category 2: Alternative Package (SOD-123) The CMHZ4713 TR offers equivalent electrical performance in SOD-123 package, suitable for applications where package footprint flexibility is acceptable.

Parameter Comparison

Part Number	Manufacturer	Vz (Nom)	Power Max	Package	Operating Temp	Product Status	Vf (Max) @ If
CLL4713 TR	Central Semiconductor Corp	30 V	500 mW	SOD-80	-65°C ~ 200°C	Obsolete	1.5 V @ 100 mA
CMHZ4713 TR	Central Semiconductor Corp	30 V	500 mW	SOD-123	-65°C ~ 150°C	Active	1.5 V @ 100 mA
TLZ30A-GS08	Vishay General Semiconductor	30 V	500 mW	SOD-80	-65°C ~ 175°C	Active	1.5 V @ 200 mA
TLZ30B-GS18	Vishay General Semiconductor	30 V	500 mW	SOD-80	-65°C ~ 175°C	Active	1.5 V @ 200 mA
TLZ30C-GS08	Vishay General Semiconductor	30 V	500 mW	SOD-80	-65°C ~ 175°C	Active	1.5 V @ 200 mA
TLZ30C-GS18	Vishay General Semiconductor	30 V	500 mW	SOD-80	-65°C ~ 175°C	Active	1.5 V @ 200 mA
TLZ30D-GS08	Vishay General Semiconductor	30 V	500 mW	SOD-80	-65°C ~ 175°C	Active	1.5 V @ 200 mA
TLZ30D-GS18	Vishay General Semiconductor	30 V	500 mW	SOD-80	-65°C ~ 175°C	Active	1.5 V @ 200 mA

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

The Vishay TLZ30 series components (TLZ30A-GS08, TLZ30B-GS18, TLZ30C-GS08, TLZ30C-GS18, TLZ30D-GS08, TLZ30D-GS18) are the preferred substitutes for CLL4713 TR. These parts maintain identical SOD-80 package specification, matching electrical performance at 30 V and 500 mW, and carry active product status with ROHS3 compliance and REACH unaffected certification. All TLZ30 variants support operating temperatures from -65°C to 175°C, providing adequate thermal performance for most applications. The TLZ30C-GS08 variant offers the highest inventory availability (10,200 pcs) among active substitutes.

Secondary Substitute (Package Alternative):

The CMHZ4713 TR from Central Semiconductor Corp provides electrical equivalence with active product status and REACH compliance. This part is suitable for applications where SOD-123 package footprint is acceptable. The operating temperature range extends to 150°C, which is lower than the original CLL4713 TR specification of 200°C but adequate for standard industrial applications.

Selection Basis:

Substitute selection is determined by product status (active vs. obsolete), regulatory compliance (ROHS3, REACH), package compatibility, and inventory availability. All recommended substitutes meet the core electrical requirements of 30 V nominal Zener voltage and 500 mW maximum power dissipation.

Frequently Asked Questions (FAQ)

Q: Can TLZ30 series parts directly replace CLL4713 TR in existing designs?

A: Yes. The TLZ30 series maintains the same SOD-80 package, 30 V Zener voltage, and 500 mW power rating. PCB layout and footprint compatibility are preserved. Electrical performance is equivalent for standard circuit applications.

Q: What is the difference between TLZ30A, TLZ30B, TLZ30C, and TLZ30D variants?

A: The variants differ in reverse leakage current specifications measured at different voltage reference points (ranging from 25.6 V to 27.6 V). All variants maintain identical 30 V nominal Zener voltage and 500 mW power dissipation. Selection between variants depends on specific leakage current requirements for the application.

Q: Is CMHZ4713 TR suitable as a substitute if SOD-123 package is acceptable?

A: Yes, CMHZ4713 TR provides equivalent electrical performance at 30 V and 500 mW with active product status. The SOD-123 package is smaller than SOD-80. Verify PCB layout compatibility before implementation. Operating temperature range is -65°C to 150°C, which is lower than the original specification.

Q: What is the significance of the GS08 and GS18 designations in TLZ30 part numbers?

A: These designations indicate packaging configuration. GS08 and GS18 refer to tape and reel packaging specifications. Both are surface mount compatible and functionally equivalent for circuit performance.

Q: Are all recommended substitutes RoHS compliant?

A: Yes. All Vishay TLZ30 series parts carry ROHS3 compliance certification. CMHZ4713 TR does not specify RoHS status in provided data. Verify RoHS compliance requirements for your specific application before selection.

Q: What is the inventory status of substitute parts?

A: TLZ30C-GS08 has the highest availability at 10,200 pcs. TLZ30D-GS08 has 90,200 pcs available. Other TLZ variants range from 850 to 1,900 pcs. CMHZ4713 TR has 926 pcs available. Verify current inventory with suppliers for production requirements.

Q: Can CLL4713 TR be used interchangeably with CMHZ4713 TR in the same circuit?

A: Electrical performance is equivalent at 30 V and 500 mW. Package differences (SOD-80 vs. SOD-123) require PCB layout verification. Operating temperature range differs: CLL4713 TR supports -65°C to 200°C while CMHZ4713 TR supports -65°C to 150°C. Confirm thermal requirements before substitution.

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