1 x Block VB 2.3/2/9, 9V ac 2 Output Through Hole PCB Transformer, 2.3VA - Block
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£0.00
£5.99
RS 347-3467
Unit Quantity:
1
Unit Type:
Unit
Location:
TS 9S
Block
Block VB 2.3/2/9, 9V ac 2 Output Through Hole PCB Transformer, 2.3VA
- BMUK Part # :-347-3467
- BrandBlock
- Mfr. Part No.VB 2.3/2/9
- You will get 1 Transformer
Product Details
Transformers PCB Mount, Short Circuit Proof, VB & PT Series
230Va.c. 50 to 60Hz primary
Single or twin secondary windings for series or parallel connection (For conformance reasons,0.35 to 3.2VA transformers with 2 x 15 and 2 x 18V outputs and all transformers with 2x 24V outputs should not have their secondaries connected in series as this means they will not meet the VDE 0550 approval)
VB series (0.35 - 3.2VA) are inherently short circuit proof
PT series (4.5 - 22VA) are protected by internal PTC device
Compact design
Vacuum epoxy resin moulded to UL94-V0 rating
Double section glass fibre reinforced polyamide bobbins
100% electrical and flash tested
High efficiency and low temperature rise
Low inter-winding capacitance
Low radiated noise
Extra fixing holes for secure boarding mounting on 4.5VA and above
| Selection Guide (Dual secondary) | |||||||
| VA Rating | Fixing centres (mm) | Pin configuration (mm) | |||||
| C1 | C2 | P1 | S1 | S2 | A | Pin Size | |
| 0.35 | - | - | 15 | 5 | 5 | 15 | 0.6 Ø |
| 0.5 | - | - | 15 | 5 | 5 | 15 | 0.6 Ø |
| 1.0 | - | - | 20 | 10 | 5 | 20 | 0.8 Ø |
| 1.5 | - | - | 20 | 10 | 5 | 20 | 0.8 Ø |
| 2.3 | - | - | 20 | 10 | 5 | 20 | 0.8 Ø |
| 3.2 | - | - | 20 | 10 | 5 | 25 | 0.8 Ø |
| 4.5 | 35 | 28 | 25 | 15 | 5 | 25 | 0.8 Ø |
| 7.5 | 40 | 32 | 25 | 15 | 5 | 27.5 | 0.8 Ø |
| 13 | 47.5 | 37.5 | 30 | 20 | 5 | 30 | 0.8 Ø |
| 22 | 52.5 | 40 | 30 | 10 | 10 | 32.5 | 0.8 Ø |
| Isolation | Primary to Secondary 5kV Secondary to Secondary 250V | |
| Protection | Class 2 | |
| Insulation: | VB Series PT Series | Class B (130°C) Class A (105°C) Class E (120°C) Class A (105°C) |
| Fixing: mechanical fixings can be supplemented on the 4.5 to 22VA transformers by 4 self tapping crews (No-4 x 9.5mm max) using holes mounted in the corners of the case. | ||
| Max Ambient Temperature | 0.35 to 2.3VA +70°C, 3.2VA +50°C, 4.5 to 22VA +40°C |
| Selection Guide (Single secondary) | ||||
| VA Rating | Pin configuration (mm) | |||
| P1 | S1 | A | Pin Size | |
| 0.35 | 15 | 5 | 15 | 0.6 Ø |
| 0.5 | 15 | 5 | 15 | 0.6 Ø |
| 1.0 | 20 | 10 | 20 | 0.6 Ø |
| 1.2 | 20 | 10 | 20 | 0.8 Ø |
| 1.5 | 20 | 10 | 20 | 0.8 Ø |
| 2.0 | 20 | 10 | 20 | 0.8 Ø |
| 2.8 | 20 | 10 | 20 | 0.8 Ø |
| 3.2 | 20 | 10 | 25 | 0.8 Ø |
Approvals
ENEC 10; UL recognised component
Standards
EN 61558
Specifications
| Secondary Voltage Rating | 9V ac | |
| Power Rating | 2.3VA | |
| Primary Voltage Rating | 230V ac | |
| Number of Outputs | 2 | |
| Length | 32.3mm | |
| Width | 29mm | |
| Depth | 27.3mm | |
| Dimensions | 32.3 x 29 x 27.3mm | |
| Weight | 139g | |
| Mounting Type | Through Hole | |
| Maximum Temperature | +70°C | |
| CAD Drawing | 3D CAD Model |
TE Connectivity Black Heat Shrink Tubing, 9.5mm, 2:1, 10m Length
Product Details
DR-25 Heat shrink Tubing (Shrink Ratio 2:1)
Robust and flexible heat shrink tubing. It protects wires and cables against damage from chemicals, abrasion, and fluids. The tubing is ideal for use in high temperature environments as it has been specially designed for long term heat resistance and is flame retardant.
Features and Benefits
• Offers excellent protection and insulation
• Provides strain relief
• Performs well under long-term heat exposure
• The tubing is printed with the product description and size
• Shrink ratio of 2:1
• Use with System 25 range products for a complete cable harness system
Standards
VG95343 Part 5 Type D, VDE 0341/Pt 9005, AMS-DTL-23053/16, BS36-198 Part 3 10A.
High Temperature
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Specifications
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| Sleeve Diameter | 9.5mm | |
| Shrunk Diameter | 4.8mm | |
| Colour | Black | |
| Sleeve Type | Heat Shrink | |
| Shrink Ratio | 2:1 | |
| Sleeve Length | 10m | |
| Material | Elastomer | |
| Minimum Operating Temperature | -75°C | |
| Maximum Operating Temperature | +150°C | |
| Dielectric Strength | 8kV/mm |
Microchip MCP7940M-I/SN Real Time Clock — Calendar, NV SRAM, 64B RAM 8-Pin SOIC
Product Details
MCP7940M I²C Real-Time Clock/Calendars
The Microchip MCP7940M is Real-Time Clock Calendar (RTCC) that supports I²C communications. The MCP7940M includes a digital trimming circuit for accuracy which can compensate for crystal tolerance and temperature.
The MCP7940M features a multi-functional output that can be configured as an alarm output, to output a selectable frequency square wave or as a general purpose output.
Features
2-Wire Serial Interface, I²C™ Compatible: I²C clock rate up to 400 kHzOn-Chip Digital Trimming/Calibration: ±1 ppm resolution, ±129 ppm range
Tracks Hours, Minutes, Seconds, Day of Week, Day, Month and Year
Leap Year Compensated to 2399
12/24 Hour Modes
Oscillator for 32.768 kHz Crystals: Optimised for 6-9 pF crystals
Dual Programmable Alarms
Versatile Output Pin
Wide Operating Voltage Range: 1.8V to 5.5V
Low Typical Timekeeping Current: 1.2μA at 3.3V
Real Time Clock Peripherals - Microchip
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Specifications
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| Functions | Calendar, NV SRAM | |
| Date Format | DW:DM:M:Y | |
| Time Format | HH:MM:SS | |
| User RAM | 64B | |
| Bus Type | Serial-I2C | |
| Mounting Type | Surface Mount | |
| Package Type | SOIC | |
| Pin Count | 8 | |
| Dimensions | 4.9 x 3.9 x 1.25mm | |
| Length | 4.9mm | |
| Width | 3.9mm | |
| Height | 1.25mm | |
| Maximum Operating Supply Voltage | 5.5 V | |
| Minimum Operating Supply Voltage | 1.8 V | |
| Maximum Operating Temperature | +85 °C | |
| Minimum Operating Temperature | -40 °C |
