Key facts
- Brand
- Fairchild
- Model
- KBU8A
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-01
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Fairchild Semiconductor KBU8A-KBU8M Bridge Rectifiers Datasheet
This datasheet provides design specifications for the Fairchild Semiconductor KBU8A to KBU8M series of bridge rectifiers. The document highlights features such as high surge current capability, reliable construction suitable for printed circuit boards, and a UL Certificate # E326243.
The document details absolute maximum ratings including reverse voltage up to 1000V and average forward current of 8.0A at 50°C. It also lists thermal characteristics with a power dissipation of 6.9W and operating junction temperature ranges from -55°C to +150°C.
Fairchild KBU8A specifications
| Maximum Repetitive Reverse Voltage (Vrrm) | 50 to 1000 V |
|---|---|
| Average Rectified Forward Current (If(AV)) | 8.0 A |
| Non-repetitive Peak Forward Surge Current (I2SM) | 300 A |
| Operating Junction Temperature (Tj) | -55 to +150 °C |
| Power Dissipation (Pd) | 6.9 W |
| Thermal Resistance, Junction to Ambient (RθJA) | 18 °C/W |
| Forward Voltage (VF) | 1.0 V |
Source: Fairchild Semiconductor KBU8A-KBU8M Bridge Rectifiers Datasheet
All Fairchild KBU8A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the UL certificate number for these rectifiers?
The document lists UL Certificate # E326243.
From: Fairchild Semiconductor KBU8A-KBU8M Bridge Rectifiers Datasheet
What is the maximum operating junction temperature?
The operating junction temperature range is -55 to +150 °C.
From: Fairchild Semiconductor KBU8A-KBU8M Bridge Rectifiers Datasheet
What is the non‑repetitive peak forward surge current rating?
The device can handle a non‑repetitive peak forward surge current of 300 A.
What storage temperature range is recommended for the KBU8A‑KBUBM series?
The recommended storage temperature range is –55 °C to +150 °C.