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BZT52C24K Equivalent & Substitute Parts
Part Overview
The BZT52C24K is an active-status Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation and protection applications. This surface-mount component operates at a nominal Zener voltage of 24 V with a maximum power dissipation of 200 mW. The part is packaged in SOD-523F, a compact surface-mount configuration suitable for space-constrained circuit designs. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity while maintaining identical electrical and mechanical performance characteristics.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) | 24 | V |
| Power - Maximum | 200 | mW |
| Tolerance | ±5 | % |
| Impedance (Maximum) | 70 | Ohms |
| Current - Reverse Leakage @ Vr | 100 | nA @ 19 V |
| Operating Temperature Range | -65 to 150 | °C (TJ) |
| Mounting Type | Surface Mount | — |
| Package / Case | SC-79, SOD-523 | — |
| Supplier Device Package | SOD-523F | — |
Substitute Part Grouping Explanation
Substitution of the BZT52C24K is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part BZT52C24K RKG maintains identical specifications in the following key areas:
- Nominal Zener voltage: 24 V
- Maximum power dissipation: 200 mW
- Voltage tolerance: ±5%
- Maximum impedance: 70 Ohms
- Reverse leakage current: 100 nA @ 19 V
- Operating temperature range: -65°C to 150°C
- Surface-mount packaging: SOD-523F
- Base product series: BZT52C
Both parts are manufactured by Taiwan Semiconductor Corporation and carry identical compliance certifications (ROHS3 Compliant, REACH Unaffected). The substitute part is functionally and mechanically interchangeable with the main part number in all circuit applications requiring these specifications.
Parameter Comparison
| Parameter | BZT52C24K | BZT52C24K RKG | Match |
|---|---|---|---|
| Manufacturer | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Yes |
| Category | Diodes, Zener | Diodes, Zener | Yes |
| Voltage - Zener (Nom) | 24 V | 24 V | Yes |
| Tolerance | ±5% | ±5% | Yes |
| Power - Max | 200 mW | 200 mW | Yes |
| Impedance (Max) | 70 Ohms | 70 Ohms | Yes |
| Current - Reverse Leakage @ Vr | 100 nA @ 19 V | 100 nA @ 19 V | Yes |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | Yes |
| Mounting Type | Surface Mount | Surface Mount | Yes |
| Package / Case | SC-79, SOD-523 | SC-79, SOD-523 | Yes |
| Supplier Device Package | SOD-523F | SOD-523F | Yes |
| Base Product Number | BZT52C | BZT52C | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| REACH Status | REACH Unaffected | REACH Unaffected | Yes |
| Product Status | Active | Active | Yes |
Engineering Selection Recommendations
Both the BZT52C24K and BZT52C24K RKG are active-status components manufactured by Taiwan Semiconductor Corporation with full ROHS3 compliance and REACH unaffected status. Selection between these parts is based on availability and supply chain requirements rather than electrical or mechanical differentiation.
The BZT52C24K RKG offers higher inventory availability (6710 pieces in stock versus 921 pieces for the primary part number), making it suitable for high-volume production runs and extended procurement cycles. Both parts satisfy identical circuit requirements and carry equivalent regulatory compliance certifications.
For applications requiring the BZT52C24K specifications, either part number may be selected without modification to circuit design, PCB layout, or assembly procedures.
Frequently Asked Questions (FAQ)
Q: Are BZT52C24K and BZT52C24K RKG electrically identical?
A: Yes. Both parts share identical electrical specifications including 24 V nominal Zener voltage, 200 mW maximum power dissipation, ±5% tolerance, 70 Ohms maximum impedance, and 100 nA reverse leakage current at 19 V.
Q: Can BZT52C24K RKG be used as a direct replacement for BZT52C24K?
A: Yes. The parts are mechanically and electrically interchangeable. Both use SOD-523F surface-mount packaging and operate across the identical temperature range of -65°C to 150°C.
Q: Are there packaging differences between these part numbers?
A: No. Both parts are supplied in SOD-523F packaging with SC-79 case designation. Tape & Reel (TR) packaging is standard for both.
Q: Do these parts have different compliance certifications?
A: No. Both parts are ROHS3 compliant and REACH unaffected, with identical ECCN (EAR99) and HTSUS (8541.10.0050) classifications.
Q: What is the difference between BZT52C24K and BZT52C24K RKG?
A: The primary difference is inventory availability and potential supplier source variation. Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical and mechanical specifications. The RKG designation may indicate a specific supplier or distribution channel variant.
Q: Can these parts be used interchangeably in existing designs?
A: Yes. No design modifications, PCB layout changes, or assembly procedure adjustments are required when substituting between these part numbers.
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