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6A10G Equivalent & Substitute Parts
Part Overview
The 6A10G is a general-purpose rectifier diode manufactured by SMC Diode Solutions, rated for 1000 V DC reverse voltage and 6 A average rectified current in an R-6 axial through-hole package. This component is classified as obsolete, indicating discontinued production and limited availability. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure procurement of functionally compatible components for new production runs or field replacements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 1000 | V |
| Current - Average Rectified (Io) | 6 | A |
| Voltage - Forward (Vf) (Max) @ If | 950 mV @ 6 A | mV |
| Speed | Standard Recovery >500ns, > 200mA (Io) | — |
| Current - Reverse Leakage @ Vr | 10 | µA @ 1000 V |
| Capacitance @ Vr, F | 150 | pF @ 4V, 1MHz |
| Mounting Type | Through Hole | — |
| Package / Case | R-6, Axial | — |
| Operating Temperature - Junction | -65°C ~ 175°C | °C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the 6A10G is determined by strict equivalence across the following critical electrical and mechanical parameters:
Electrical Parameters:
- Voltage - DC Reverse (Vr) (Max): 1000 V
- Current - Average Rectified (Io): 6 A
- Voltage - Forward (Vf) (Max) @ If: 950 mV @ 6 A
- Speed: Standard Recovery >500ns, > 200mA (Io)
- Current - Reverse Leakage @ Vr: 10 µA @ 1000 V
- Capacitance @ Vr, F: 150 pF @ 4V, 1MHz
Mechanical Parameters:
- Mounting Type: Through Hole
- Package / Case: R-6, Axial
The 6A10-T/B manufactured by MDD meets all specified electrical and mechanical parameters, establishing it as a direct functional equivalent. Substitution is valid when these parameters remain unchanged across the application circuit.
Parameter Comparison
| Parameter | 6A10G (SMC Diode Solutions) | 6A10-T/B (MDD) | Match |
|---|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 1000 V | 1000 V | Yes |
| Current - Average Rectified (Io) | 6 A | 6 A | Yes |
| Voltage - Forward (Vf) (Max) @ If | 950 mV @ 6 A | 950 mV @ 6 A | Yes |
| Speed | Standard Recovery >500ns, > 200mA (Io) | Standard Recovery >500ns, > 200mA (Io) | Yes |
| Current - Reverse Leakage @ Vr | 10 µA @ 1000 V | 10 µA @ 1000 V | Yes |
| Capacitance @ Vr, F | 150 pF @ 4V, 1MHz | 150 pF @ 4V, 1MHz | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| Package / Case | R-6, Axial | R-6, Axial | Yes |
| Operating Temperature - Junction | -65°C ~ 175°C | -55°C ~ 150°C | Partial |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Yes |
| Product Status | Obsolete | Active | — |
| RoHS Status | Not specified | RoHS Compliant | — |
Engineering Selection Recommendations
The 6A10-T/B from MDD is a direct electrical and mechanical equivalent to the obsolete 6A10G. All critical rectifier parameters match exactly: reverse voltage rating, average rectified current, forward voltage drop, recovery speed, reverse leakage current, and junction capacitance. Both components use identical R-6 axial through-hole packaging, ensuring PCB compatibility without layout modifications.
The 6A10-T/B carries Active product status with RoHS Compliance certification, providing supply chain continuity and regulatory alignment for new designs. The operating temperature range of the 6A10-T/B (-55°C ~ 150°C) is narrower than the 6A10G (-65°C ~ 175°C); component selection should confirm that application requirements fall within the -55°C to 150°C window.
Both components maintain REACH Unaffected status and Moisture Sensitivity Level 1 (Unlimited), indicating equivalent environmental handling and storage requirements.
Frequently Asked Questions (FAQ)
Q: Can the 6A10-T/B directly replace the 6A10G without circuit modifications?
A: Yes. The 6A10-T/B matches all electrical parameters (voltage, current, forward drop, recovery speed, leakage, and capacitance) and uses the same R-6 axial through-hole package. No circuit or PCB layout changes are required for functional substitution.
Q: What is the difference in operating temperature range between these parts?
A: The 6A10G operates from -65°C to 175°C, while the 6A10-T/B operates from -55°C to 150°C. The 6A10-T/B has a narrower range. Substitution is valid only if the application operates within -55°C to 150°C.
Q: Are there packaging differences between the 6A10G and 6A10-T/B?
A: Both components use R-6 axial through-hole packaging. The 6A10G is supplied in standard packaging, while the 6A10-T/B is supplied in Tape & Box (TB) format. The physical component dimensions and pin configuration are identical; packaging format affects only handling and storage logistics.
Q: What compliance certifications apply to the 6A10-T/B?
A: The 6A10-T/B is RoHS Compliant and REACH Unaffected. Both components carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions.
Q: Why is the 6A10G listed as obsolete?
A: Obsolete status indicates that SMC Diode Solutions has discontinued production of this part. The 6A10-T/B from MDD provides an active, in-stock alternative with identical electrical and mechanical specifications.
Q: Are there any electrical performance differences between these diodes?
A: No. Both components have identical forward voltage drop (950 mV @ 6 A), reverse leakage current (10 µA @ 1000 V), recovery speed (>500ns), and junction capacitance (150 pF @ 4V, 1MHz). Electrical performance is equivalent.
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