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W10G Bridge Rectifier 1 kV 1.5 A Single Phase
Part Overview
The W10G is a single-phase bridge rectifier rated for 1 kV peak reverse voltage and 1.5 A average rectified current in a through-hole WOG package. Manufactured by Diodes Incorporated, this component is classified as obsolete. Due to its obsolete status and limited ongoing availability from the original manufacturer, identifying equivalent substitute parts is necessary for design continuity and procurement planning.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Diode Type | Single Phase |
| Technology | Standard |
| Voltage - Peak Reverse (Max) | 1 kV |
| Current - Average Rectified (Io) | 1.5 A |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 1.5 A |
| Current - Reverse Leakage @ Vr | 5 µA @ 1000 V |
| Operating Temperature Range | -65°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 4-Circular, WOG |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the W10G is determined by the following critical parameters:
- Diode Type & Technology: Single Phase, Standard technology
- Voltage Rating: 1 kV peak reverse voltage (Vrrm)
- Current Rating: 1.5 A average rectified current (Io)
- Forward Voltage: Maximum 1 V at rated current
- Reverse Leakage: 5 µA at 1000 V
- Package: 4-Circular WOG through-hole configuration
- Compliance: ROHS3 compliance required
The substitute part W10G-E4/51 meets all critical electrical parameters and maintains the same package form factor, enabling direct functional replacement in applications designed for the W10G.
Parameter Comparison
| Parameter | W10G (Diodes Inc.) | W10G-E4/51 (Vishay) | Compatibility |
|---|---|---|---|
| Diode Type | Single Phase | Single Phase | Match |
| Technology | Standard | Standard | Match |
| Voltage - Peak Reverse (Max) | 1 kV | 1 kV | Match |
| Current - Average Rectified (Io) | 1.5 A | 1.5 A | Match |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 1.5 A | 1 V @ 1 A | Compatible |
| Current - Reverse Leakage @ Vr | 5 µA @ 1000 V | 5 µA @ 1000 V | Match |
| Operating Temperature Range | -65°C ~ 150°C | -55°C ~ 150°C | Compatible |
| Mounting Type | Through Hole | Through Hole | Match |
| Package / Case | 4-Circular, WOG | 4-Circular, WOG | Match |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
| Product Status | Obsolete | Active | Substitute is active |
Engineering Selection Recommendations
The W10G-E4/51 from Vishay General Semiconductor - Diodes Division is a direct functional equivalent for the obsolete W10G. Both components share identical electrical specifications for voltage and current ratings, reverse leakage characteristics, and package configuration. The W10G-E4/51 maintains ROHS3 compliance and is currently in active production with established inventory availability.
The operating temperature range of the W10G-E4/51 (-55°C ~ 150°C) is narrower at the lower end compared to the W10G (-65°C ~ 150°C). Applications requiring operation below -55°C must evaluate this difference against system requirements.
The forward voltage specification for the W10G-E4/51 is measured at 1 A rather than 1.5 A, but the maximum value of 1 V remains consistent with the original part specification.
Frequently Asked Questions (FAQ)
Q: Can the W10G-E4/51 be used as a direct replacement for the W10G?
A: Yes. Both components are single-phase bridge rectifiers with identical 1 kV voltage ratings, 1.5 A current ratings, and 4-Circular WOG package configurations. Electrical performance and physical form factor are equivalent.
Q: What is the difference in operating temperature range?
A: The W10G operates from -65°C to 150°C, while the W10G-E4/51 operates from -55°C to 150°C. Applications requiring operation below -55°C must verify compatibility with system thermal requirements.
Q: Are there any compliance differences?
A: Both components are ROHS3 compliant. The W10G-E4/51 is REACH Unaffected, while the original W10G is REACH Affected. Both carry EAR99 ECCN classification.
Q: What is the packaging difference?
A: The W10G is supplied in bulk packaging, while the W10G-E4/51 is also supplied in bulk. Both use the same 4-Circular WOG through-hole package form factor.
Q: Is the W10G-E4/51 currently available?
A: Yes. The W10G-E4/51 is in active production status with 3400 pieces in stock, compared to the obsolete W10G with 865 pieces remaining in inventory.
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