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BZX84-C47/LF1VL Zener Diode Equivalent & Substitute Parts
Part Overview
The BZX84-C47/LF1VL is an automotive-grade Zener diode manufactured by NXP USA Inc., designed for voltage regulation and protection applications. This 47 V, 250 mW surface mount component operates across the temperature range of -65°C to 150°C and meets AEC-Q101 automotive qualification standards. The part is currently active in production with 687 pieces in stock. Substitute parts are identified to address inventory availability, packaging preferences, or specific tolerance requirements while maintaining electrical and mechanical compatibility within the SOT-23 (TO-236AB) package family.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) | 47 | V |
| Tolerance | ±5% | — |
| Power - Maximum | 250 | mW |
| Impedance (Maximum) | 170 | Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 32.9 V | — |
| Voltage - Forward (Maximum) @ If | 900 mV @ 10 mA | — |
| Operating Temperature Range | -65 to 150 | °C |
| Grade | Automotive | — |
| Qualification | AEC-Q101 | — |
| Mounting Type | Surface Mount | — |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the BZX84-C47/LF1VL are qualified based on the following electrical and mechanical parameters:
Critical Matching Parameters:
- Zener voltage: 47 V (nominal)
- Power dissipation: 250 mW (maximum)
- Impedance: 170 Ohms (maximum)
- Reverse leakage current: 50 nA @ 32.9 V
- Forward voltage: 900 mV @ 10 mA
- Operating temperature range: -65°C to 150°C
- Package type: SOT-23 (TO-236AB) surface mount
- Automotive grade with AEC-Q101 qualification
- RoHS3 compliance
Tolerance Variation: Substitutes are grouped by tolerance specification. The main part BZX84-C47/LF1VL carries ±5% tolerance. The substitute BZX84-B47,215 offers tighter ±2% tolerance while maintaining all other electrical parameters. The substitute BZX84-C47,235 maintains ±5% tolerance matching the main part.
All three parts are manufactured by NXP USA Inc. or Nexperia USA Inc. (successor brand), ensuring consistent quality and reliability standards. Packaging formats differ (Bulk, Cut Tape & Digi-Reel®) but do not affect electrical performance or mechanical compatibility.
Parameter Comparison
| Parameter | BZX84-C47/LF1VL | BZX84-B47,215 | BZX84-C47,215 | BZX84-C47,235 |
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | Nexperia USA Inc. | NXP USA Inc. |
| Voltage - Zener (Nom) | 47 V | 47 V | 47 V | 47 V |
| Tolerance | ±5% | ±2% | ±5% | ±5% |
| Power - Max | 250 mW | 250 mW | 250 mW | 250 mW |
| Impedance (Max) | 170 Ohms | 170 Ohms | 170 Ohms | 170 Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 32.9 V | 50 nA @ 32.9 V | 50 nA @ 32.9 V | 50 nA @ 32.9 V |
| Voltage - Forward (Max) @ If | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA |
| Operating Temperature | -65°C to 150°C | -65°C to 150°C | -65°C to 150°C | -65°C to 150°C |
| Grade | Automotive | Automotive | Automotive | Automotive |
| Qualification | AEC-Q101 | AEC-Q101 | AEC-Q101 | AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| RoHS Status | ROHS3 Compliant | — | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — | 1 (Unlimited) | — |
| Product Status | Active | Active | Active | Active |
| Inventory (Pcs) | 687 | 159100 | 2062 | 70905 |
Engineering Selection Recommendations
All substitute parts maintain full electrical and mechanical compatibility with the BZX84-C47/LF1VL within the specified parameters. Selection criteria are based on the following factors:
Tolerance Requirements:
- For applications requiring standard ±5% tolerance: BZX84-C47,215 or BZX84-C47,235 are direct equivalents.
- For applications requiring tighter ±2% tolerance: BZX84-B47,215 provides improved voltage regulation accuracy while maintaining all other electrical specifications.
Compliance and Certification: All substitute parts carry AEC-Q101 automotive qualification and operate across the full -65°C to 150°C temperature range, meeting automotive-grade reliability standards. RoHS3 compliance is confirmed for BZX84-C47/LF1VL and BZX84-C47,215.
Packaging and Availability:
- BZX84-C47,235 offers the highest inventory availability (70,905 pieces) in Bulk packaging.
- BZX84-C47,215 is available in Cut Tape & Digi-Reel® format (2,062 pieces) suitable for automated assembly.
- BZX84-B47,215 provides the largest stock (159,100 pieces) in Bulk packaging.
Manufacturer Continuity: BZX84-C47,215 is manufactured by Nexperia USA Inc., the successor brand to NXP's discrete semiconductor division. This part maintains identical electrical performance and automotive qualification.
Frequently Asked Questions (FAQ)
Q: Can BZX84-B47,215 replace BZX84-C47/LF1VL in all applications?
A: Yes. BZX84-B47,215 is electrically compatible with identical voltage, power, impedance, leakage current, and forward voltage specifications. The ±2% tolerance of BZX84-B47,215 is tighter than the ±5% tolerance of BZX84-C47/LF1VL, making it suitable for applications requiring improved voltage regulation accuracy. Both parts share the same SOT-23 package, operating temperature range, and AEC-Q101 automotive qualification.
Q: What is the difference between BZX84-C47,215 and BZX84-C47,235?
A: Both parts are electrically identical with 47 V nominal voltage, ±5% tolerance, and 250 mW power rating. The primary difference is packaging format: BZX84-C47,215 is supplied in Cut Tape & Digi-Reel® format suitable for automated pick-and-place assembly, while BZX84-C47,235 is supplied in Bulk packaging. BZX84-C47,215 is manufactured by Nexperia USA Inc., while BZX84-C47,235 is manufactured by NXP USA Inc.
Q: Are all substitute parts RoHS3 compliant?
A: RoHS3 compliance is explicitly confirmed for BZX84-C47/LF1VL and BZX84-C47,215. Compliance status for BZX84-B47,215 and BZX84-C47,235 is not specified in the provided data but both are current production automotive-grade components from NXP/Nexperia.
Q: Can these parts be used interchangeably on the same PCB assembly?
A: Yes. All substitute parts use the identical SOT-23 (TO-236AB) surface mount package with three leads in the same pin configuration. They are mechanically and electrically interchangeable on PCB layouts designed for the BZX84-C47/LF1VL.
Q: Which substitute part should be selected for highest inventory availability?
A: BZX84-B47,215 offers the highest inventory level at 159,100 pieces. This part provides ±2% tolerance with all other electrical parameters matching the main part specification.
Q: What is the moisture sensitivity level for all parts?
A: BZX84-C47/LF1VL and BZX84-C47,215 are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Moisture sensitivity level data for BZX84-B47,215 and BZX84-C47,235 is not provided in the specification data.
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