CLL5232B TR Equivalent & Substitute Parts Reference

Part Overview

The CLL5232B TR is a Zener diode rated at 5.6 V, 500 mW in SOD-80 (MINI-MELF) surface mount package, manufactured by Central Semiconductor Corp. This part is classified as obsolete. Substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and field replacements. All substitute parts listed maintain electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	5.6	V
Power - Max	500	mW
Tolerance	±5%	-
Impedance (Max)	11	Ohms
Current - Reverse Leakage @ Vr	5	µA @ 3 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

Substitute parts for the CLL5232B TR are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

Zener voltage: 5.6 V nominal
Power dissipation: 500 mW maximum
Package type: SOD-80 (MINI-MELF, DO-213AC)
Mounting: Surface mount
Moisture sensitivity: MSL 1 (Unlimited)

Acceptable Parameter Variations:

Impedance (Zzt): Up to 13 Ohms (original: 11 Ohms maximum)
Voltage - Forward (Vf): Up to 1.5 V @ 200 mA (original: 1.25 V maximum)
Operating temperature upper limit: 175°C minimum (original: 200°C)
Tolerance: Unspecified in active substitutes (original: ±5%)
Reverse leakage current: 1 µA @ 2 V (original: 5 µA @ 3 V)

All substitute parts are manufactured by Vishay General Semiconductor - Diodes Division and carry active product status with RoHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Vz (V)	Power (mW)	Zzt (Ohms)	Vf @ 200mA (V)	Temp Range (°C)	Status	Packaging
CLL5232B TR	Central Semiconductor	5.6	500	11	1.25	-65 to 200	Obsolete	SOD-80 TR
TLZ5V6-GS08	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 TR
TLZ5V6-GS18	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 TR
TLZ5V6A-GS08	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 TR
TLZ5V6A-GS18	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 TR
TLZ5V6B-GS08	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 CT/Digi-Reel
TLZ5V6B-GS18	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 TR
TLZ5V6C-GS08	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 CT/Digi-Reel
TLZ5V6C-GS18	Vishay	5.6	500	13	1.5	-65 to 175	Active	SOD-80 TR
TZM5232B-GS08	Vishay	5.6	500	-	1.1	-65 to 175	Active	SOD-80 TR
TZM5232B-GS18	Vishay	5.6	500	11	1.1	-65 to 175	Active	SOD-80 TR

Engineering Selection Recommendations

Primary Recommendation: TZM5232B-GS18 is the closest electrical equivalent to CLL5232B TR. Both parts share ±5% tolerance specification, 11 Ohms maximum impedance, and 5 µA reverse leakage current @ 3 V. This part carries active product status, RoHS3 compliance, and highest inventory availability (131,100 units). Operating temperature upper limit is 175°C versus the original 200°C.

Secondary Recommendations: TLZ5V6A-GS08 and TLZ5V6A-GS18 are active alternatives with improved reverse leakage characteristics (1 µA @ 2 V). These parts feature higher impedance (13 Ohms) and forward voltage (1.5 V @ 200 mA) but maintain full electrical functionality within circuit design tolerances. Both carry RoHS3 compliance and MSL 1 rating.

Packaging Considerations:

Tape & Reel (TR) packaging: TLZ5V6-GS08, TLZ5V6-GS18, TLZ5V6A-GS08, TLZ5V6A-GS18, TLZ5V6B-GS18, TLZ5V6C-GS18, TZM5232B-GS08, TZM5232B-GS18
Cut Tape (CT) & Digi-Reel: TLZ5V6B-GS08, TLZ5V6C-GS08

All substitute parts are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 and HTSUS 8541.10.0050.

Frequently Asked Questions (FAQ)

Q: Can TLZ5V6-GS08 directly replace CLL5232B TR in existing designs? A: Yes. Both parts maintain 5.6 V nominal Zener voltage, 500 mW power rating, and SOD-80 package. The TLZ5V6-GS08 has slightly higher impedance (13 Ohms vs. 11 Ohms) and forward voltage (1.5 V vs. 1.25 V @ 200 mA), which are within acceptable circuit design margins for most applications.

Q: What is the difference between TLZ5V6A and TLZ5V6B variants? A: Both variants maintain identical electrical specifications (5.6 V, 500 mW, SOD-80). The suffix letter indicates manufacturing revision. Both are active products with equivalent performance characteristics.

Q: Why does TZM5232B-GS18 have lower forward voltage (1.1 V) than TLZ series parts (1.5 V)? A: TZM5232B-GS18 maintains the ±5% tolerance specification of the original CLL5232B TR, resulting in tighter electrical characteristics. This lower forward voltage represents superior performance and is fully compatible with existing circuit designs.

Q: Are all substitute parts MSL 1 rated? A: Yes. All listed substitute parts carry Moisture Sensitivity Level 1 (Unlimited), matching the original CLL5232B TR specification.

Q: What is the inventory status for immediate procurement? A: TLZ5V6B-GS08 has the highest inventory (118,550 units). TZM5232B-GS18 has 131,100 units available. TLZ5V6A-GS08 has 22,800 units. All other variants have inventory between 812 and 1,103 units.

Q: Can I use Cut Tape (CT) packaging instead of Tape & Reel (TR)? A: Yes. TLZ5V6B-GS08 and TLZ5V6C-GS08 are available in Cut Tape & Digi-Reel packaging. Electrical specifications are identical to TR variants. Packaging selection depends on assembly equipment and production volume requirements.

Q: Is the operating temperature difference (175°C vs. 200°C) critical? A: All substitute parts operate to 175°C maximum, compared to the original 200°C specification. For applications requiring operation above 175°C, design verification is necessary. For standard industrial applications (-65°C to 125°C), this difference is not limiting.

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