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BZT52C47S RRG Equivalent & Substitute Parts
Part Overview
The BZT52C47S RRG is a surface mount Zener diode manufactured by Taiwan Semiconductor Corporation, rated for 47 V nominal Zener voltage with 200 mW maximum power dissipation. This component operates across the temperature range of -65°C to 150°C and is packaged in the SOD-323F form factor. The part maintains Active product status and carries full RoHS3 compliance with unlimited moisture sensitivity rating. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part number becomes unavailable or when alternative packaging configurations are required.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 47 | V |
| Tolerance | ±5% | - |
| Power - Max | 200 | mW |
| Impedance (Max) | 170 | Ohms |
| Current - Reverse Leakage @ Vr | 45 | nA @ 33 V |
| Voltage - Forward (Vf) (Max) @ If | 1 | V @ 10 mA |
| Operating Temperature | -65 to 150 | °C (TJ) |
| Mounting Type | Surface Mount | - |
| Package / Case | SC-90, SOD-323F | - |
| RoHS Status | ROHS3 Compliant | - |
| Moisture Sensitivity Level | 1 (Unlimited) | - |
Substitute Part Grouping Explanation
Substitution eligibility for the BZT52C47S RRG is determined by the following critical parameters: nominal Zener voltage of 47 V, maximum power rating of 200 mW, SOD-323F package configuration, surface mount mounting type, and operating temperature range of -65°C to 150°C. All identified substitute parts maintain these core electrical and mechanical specifications. Tolerance variations (±5% versus ±2%) represent acceptable deviations within the parametric equivalence framework. Impedance values of 160 Ohms to 170 Ohms fall within acceptable operational limits for this device category. Reverse leakage current specifications remain constant at 45 nA @ 33 V across all alternatives. Forward voltage characteristics are identical at 1 V @ 10 mA. Packaging format differences (Tape & Reel, Cut Tape, Bulk) do not affect electrical performance and reflect only procurement and handling variations. All substitute parts maintain RoHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compatibility.
Parameter Comparison
| Parameter | BZT52C47S RRG | BZT52C47S R9G | BZT52B47S R9G | MM3Z47VC | MM3Z47VB |
|---|---|---|---|---|---|
| Manufacturer | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | onsemi | Fairchild Semiconductor |
| Voltage - Zener (Nom) | 47 V | 47 V | 47 V | 47 V | 47 V |
| Tolerance | ±5% | ±5% | ±2% | ±5% | ±2% |
| Power - Max | 200 mW | 200 mW | 200 mW | 200 mW | 200 mW |
| Impedance (Max) | 170 Ohms | 170 Ohms | 170 Ohms | 160 Ohms | 160 Ohms |
| Current - Reverse Leakage @ Vr | 45 nA @ 33 V | 45 nA @ 33 V | 45 nA @ 33 V | 45 nA @ 33 V | 45 nA @ 33 V |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 10 mA | 1 V @ 10 mA | 1 V @ 10 mA | 1 V @ 10 mA | 1 V @ 10 mA |
| Operating Temperature | -65 to 150°C | -65 to 150°C | -65 to 150°C | -65 to 150°C | -65 to 150°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SC-90, SOD-323F | SC-90, SOD-323F | SC-90, SOD-323F | SC-90, SOD-323F | SC-90, SOD-323F |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
All identified substitute parts maintain Active product status and full RoHS3 compliance, ensuring regulatory alignment with current environmental standards. The BZT52C47S R9G and BZT52C47S RRG are parametrically identical Taiwan Semiconductor Corporation devices, differing only in packaging format (Cut Tape & Digi-Reel versus standard packaging). The BZT52B47S R9G offers tighter tolerance specification at ±2% compared to the ±5% tolerance of the primary part, providing enhanced voltage regulation precision when required by circuit design specifications. The MM3Z47VC from onsemi and MM3Z47VB from Fairchild Semiconductor provide cross-manufacturer alternatives with equivalent electrical performance. The MM3Z47VB variant offers ±2% tolerance matching the BZT52B47S R9G specification. All parts maintain identical reverse leakage current, forward voltage characteristics, and operating temperature ranges. Selection between alternatives should be based on packaging availability, procurement lead times, and tolerance requirements specific to the application circuit.
Frequently Asked Questions (FAQ)
Q: Can BZT52C47S R9G be used as a direct replacement for BZT52C47S RRG?
A: Yes. Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical specifications: 47 V nominal Zener voltage, ±5% tolerance, 200 mW power rating, and SOD-323F packaging. The difference is packaging format only (Cut Tape & Digi-Reel versus standard packaging), which does not affect electrical performance or circuit compatibility.
Q: What is the difference between ±5% and ±2% tolerance variants?
A: Tolerance specification defines the acceptable deviation range from the nominal 47 V Zener voltage. The ±5% tolerance (BZT52C47S RRG, BZT52C47S R9G, MM3Z47VC) permits voltage variation between 44.65 V and 49.35 V. The ±2% tolerance (BZT52B47S R9G, MM3Z47VB) restricts variation to 46.06 V and 47.94 V, providing tighter voltage regulation. Selection depends on circuit requirements for voltage precision.
Q: Are onsemi MM3Z47VC and Fairchild MM3Z47VB interchangeable with Taiwan Semiconductor parts?
A: Yes, within the specified electrical parameters. Both cross-manufacturer alternatives maintain 47 V nominal voltage, 200 mW power rating, SOD-323F packaging, and identical reverse leakage and forward voltage characteristics. The MM3Z47VB offers ±2% tolerance, while MM3Z47VC provides ±5% tolerance. All parts are RoHS3 compliant with unlimited moisture sensitivity rating.
Q: Does impedance variation between 160 Ohms and 170 Ohms affect substitution compatibility?
A: No. The impedance specifications of 160 Ohms (MM3Z47VC, MM3Z47VB) and 170 Ohms (BZT52C47S RRG, BZT52C47S R9G, BZT52B47S R9G) are both within acceptable operational parameters for this device category and do not prevent functional substitution in circuit applications.
Q: What packaging formats are available for these Zener diodes?
A: The BZT52C47S RRG is supplied in standard packaging. The BZT52C47S R9G is available in Cut Tape & Digi-Reel format. The BZT52B47S R9G is supplied in Tape & Reel packaging. The MM3Z47VC is available in Tape & Reel format. The MM3Z47VB is supplied in Bulk packaging. All maintain identical SOD-323F case configuration and surface mount mounting type.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All identified substitute parts carry RoHS3 compliance certification and maintain unlimited moisture sensitivity level rating (MSL 1), ensuring full regulatory compatibility and environmental standard adherence.
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