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FR2B General Purpose Rectifier Diode Equivalent & Substitute Parts
Part Overview
The FR2B is a general purpose rectifier diode manufactured by SMC Diode Solutions, rated for 100 V DC reverse voltage and 2 A average rectified current in a surface mount SMB (DO-214AA) package. This diode is classified as a fast recovery device with a reverse recovery time of 150 ns, suitable for standard rectification applications requiring moderate voltage and current ratings.
The FR2B maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent substitute parts are identified based on matching electrical specifications and mechanical compatibility to support procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 100 | V |
| Current - Average Rectified (Io) | 2 | A |
| Voltage - Forward (Vf) (Max) @ If | 1.3 @ 2 A | V |
| Reverse Recovery Time (trr) | 150 | ns |
| Speed Classification | Fast Recovery ≤ 500ns, > 200mA (Io) | — |
| Package / Case | DO-214AA, SMB | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature - Junction | -50 to 150 | °C |
| Technology | Standard | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the FR2B are identified through parametric equivalence based on the following critical electrical and mechanical criteria:
Electrical Matching Parameters:
- Voltage - DC Reverse (Vr) (Max): 100 V
- Current - Average Rectified (Io): 2 A
- Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 2 A
- Reverse Recovery Time (trr): 150 ns
- Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Mechanical Compatibility Parameters:
- Package / Case: DO-214AA, SMB
- Mounting Type: Surface Mount
- Operating Temperature - Junction: -50°C to 150°C
Compliance Parameters:
- Technology: Standard
- RoHS Status: ROHS3 Compliant
The substitute part FR2B_R1_00001 manufactured by Panjit International Inc. meets all critical electrical specifications and mechanical requirements, enabling direct functional substitution in circuit applications. Minor variations in secondary parameters such as reverse leakage current and junction capacitance remain within acceptable tolerances for general purpose rectification applications.
Parameter Comparison
| Parameter | FR2B (SMC Diode Solutions) | FR2B_R1_00001 (Panjit International Inc.) | Match Status |
|---|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 100 V | 100 V | Matched |
| Current - Average Rectified (Io) | 2 A | 2 A | Matched |
| Voltage - Forward (Vf) (Max) @ If | 1.3 V @ 2 A | 1.3 V @ 2 A | Matched |
| Reverse Recovery Time (trr) | 150 ns | 150 ns | Matched |
| Speed Classification | Fast Recovery ≤ 500ns, > 200mA (Io) | Fast Recovery ≤ 500ns, > 200mA (Io) | Matched |
| Current - Reverse Leakage @ Vr | 5 µA @ 100 V | 1 µA @ 100 V | Equivalent |
| Capacitance @ Vr, F | 50 pF @ 4V, 1MHz | 40 pF @ 4V, 1MHz | Equivalent |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | Matched |
| Mounting Type | Surface Mount | Surface Mount | Matched |
| Operating Temperature - Junction | -50°C to 150°C | -50°C to 150°C | Matched |
| Technology | Standard | Standard | Matched |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Matched |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Matched |
Engineering Selection Recommendations
Both the FR2B and FR2B_R1_00001 are Active product status components with full RoHS3 compliance and MSL 1 rating, confirming suitability for current manufacturing and assembly processes.
The FR2B (SMC Diode Solutions) is the primary reference part with 6300 pieces in stock inventory. The FR2B_R1_00001 (Panjit International Inc.) is a parametric equivalent available in Tape & Reel packaging with 1794 pieces in stock inventory.
Selection between these parts is determined by:
- Inventory Availability: Choose based on required quantity and delivery timeline.
- Packaging Format: FR2B is supplied in standard packaging; FR2B_R1_00001 is supplied in Tape & Reel format for automated assembly processes.
- Supply Chain Requirements: Both parts meet identical electrical and mechanical specifications for direct substitution.
- Regulatory Compliance: Both parts satisfy RoHS3 and EAR99 export classification requirements.
Frequently Asked Questions (FAQ)
Q: Can FR2B_R1_00001 be used as a direct replacement for FR2B in existing circuit designs?
A: Yes. Both parts share identical electrical specifications (100 V reverse voltage, 2 A average rectified current, 1.3 V forward voltage, 150 ns reverse recovery time) and mechanical compatibility (DO-214AA SMB package, surface mount configuration, -50°C to 150°C operating range). Direct substitution is supported without circuit modification.
Q: What are the differences between FR2B and FR2B_R1_00001?
A: The primary differences are manufacturer (SMC Diode Solutions vs. Panjit International Inc.), packaging format (standard vs. Tape & Reel), reverse leakage current (5 µA vs. 1 µA @ 100 V), and junction capacitance (50 pF vs. 40 pF @ 4V, 1MHz). All critical electrical parameters and mechanical specifications are identical.
Q: Does the lower reverse leakage current of FR2B_R1_00001 affect circuit performance?
A: The reverse leakage current difference (5 µA vs. 1 µA @ 100 V) is within acceptable tolerance for general purpose rectification applications. Both values are negligible for standard circuit operation and do not impact functional performance in typical rectifier configurations.
Q: Are both parts suitable for automated assembly processes?
A: FR2B_R1_00001 is supplied in Tape & Reel packaging, optimized for automated pick-and-place assembly. FR2B is supplied in standard packaging. Both parts use identical DO-214AA SMB surface mount packages compatible with standard reflow soldering processes.
Q: What is the significance of the MSL 1 rating for both parts?
A: MSL 1 (Unlimited) indicates these components have unlimited shelf life and require no special moisture control during storage or handling. Both parts can be stored under standard warehouse conditions without desiccant packaging or time-limited exposure windows.
Q: Are there any compliance or certification differences between the two parts?
A: Both parts are RoHS3 compliant and classified as EAR99 for export purposes. FR2B is REACH Affected; FR2B_R1_00001 is REACH Unaffected. Both meet identical electrical safety and environmental standards for general purpose rectifier diode applications.
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