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Product Detailed Parameters
- Description：XFMR FLYBACK TH
- Series：Kaschke
- Mfr：Bourns Inc.
- Package：Tray
- Type：-
- Applications：Flyback Converters
- Intended Chipset：-
- Chipset Manufacturer：-
- Voltage - Primary：85 ~ 265V
- Voltage - Auxiliary：-
- Voltage - Isolation：4200V
- Inductance @ Frequency：-
- Frequency：66kHz ~ 132kHz
- Operating Temperature：-25°C ~ 125°C
- Mounting Type：Through Hole
- Size / Dimension：0.827" L x 0.984" W (21.00mm x 25.00mm)
- Height - Seated (Max)：0.728" (18.50mm)
- Footprint：-
- Style：Laminated Core
- Grade：-
- Qualification：-
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Overview
The Bourns Inc. model 94931 is a flyback transformer designed for switching mode power supplies (SMPS). It features through-hole mounting and provides 4200V isolation voltage. The device operates within a frequency range of 66kHz to 132kHz. Primary electrical ratings include an input voltage of 85VAC to 265VAC, while the secondary output is rated at 6V with a current capacity of 1.8A.
Feature Summary
- Provides high-voltage isolation suitable for safety-critical power supply designs
- Optimized for high-frequency operation in compact SMPS architectures
- Supports universal AC input ranges for broad global compatibility
Applications
- Switching Mode Power Supplies (SMPS)
- Flyback converter circuits
- General purpose AC-DC power conversion
Procurement Notes
Verify the specific datasheet version for the 94931 part number to confirm exact winding ratios and thermal characteristics. Ensure that the selected component meets the required isolation standards for your target market. Cross-reference the pinout configuration with your PCB layout to prevent installation errors during assembly.
Selection Notes
Select this component when designing flyback converters requiring 4200V isolation and a 6V secondary output. Consider the 66kHz to 132kHz operating frequency range against your magnetic design constraints. Verify that the 1.8A secondary current rating aligns with your maximum load requirements and thermal management strategy.
Part Context
This component belongs to Bourns' line of SMPS transformers, which are engineered for reliable performance in power conversion applications. These transformers support various industrial and consumer electronics systems by providing efficient energy transfer with robust electrical isolation between primary and secondary circuits.
Replacement Considerations
Consult official Bourns documentation or authorized distributors for verified substitute part numbers. Do not assume interchangeability based on similar specifications alone; verify pinouts, isolation ratings, and physical dimensions before substitution.
