# Rotary Hand Sealer Digital Controller 4667

## Description

Compact 115/230 VAC digital PID temperature controller for a 300 W rotary hand sealer, with Type K thermocouple sensing, isolated low\-voltage electronics, independent over\-temperature cutoff, standby, and auto\-shutdown\.

## Project Details

- **Owner:** official123
- **Created:** 8/28/2026
- **Last Updated:** 8/29/2026
- **Visibility:** Public

## Key Components

### CSN1 — [R46KF210000N0K](https://flux.ai/silicon-yard/r46kf210000n0k.md)

- Manufacturer Part Number: R46KF210000N0K
- Part Type: Film Capacitor
- Role: Snubber / Damping
- Role Details: 10nF X2 capacitor in series with 39Ω across power triac
- Manufacturer Name: KEMET
- Functional Group: Heater Output Channel 1
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/25e6da2a6bf2ac912ca06617663f8f9dfa984b6ed69fb13fc2bc65d10fb18636\.pdf

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### CX1 — [X2\-104K\-275VAC](https://flux.ai/lcsc/x2-104k-275vac~mwrj.md)

- Manufacturer Part Number: X2\-104K\-275VAC
- Capacitance: 100nF
- Role Details: 100nF class X2 across filtered L\-N
- Functional Group: Mains Input and Protection
- JLCPCB Part Class: Extended Part
- Part Type: Suppression Capacitors
- Package or Case Code: CAP\-TH\_L10\.0\-W5\.0\-P7\.50\-D0\.6
- LCSC Part Number: C914482
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: EMI Filter
- Datasheet URL: https://www\.lcsc\.com/datasheet/C914482\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaVlBTTlNcUjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Manufacturer Name: NDF\(达孚\)

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### D1 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Role: Status Indicator
- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- Functional Group: Display and User Interface
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Green 3\.3V power/status LED

**Pins:**
- A [pin 2]
- K [pin 1]

### F1 — [696103201002](https://flux.ai/silicon-yard/696103201002~ws.md)

- Part Type: Fuse
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: 696103201002
- Manufacturer Name: Würth Elektronik
- Role: Protection
- Role Details: Install T5A 250VAC 5x20mm slow\-blow fuse; final rating subject to appliance wiring and heater inrush confirmation
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/ccb1a305e82a750407679694bc3e6af2b873854c903f37925f942524e4483dc5\.pdf
- Current Rating: 20A
- Functional Group: Mains Input and Protection

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### FB1 — [2508056017Y2](https://flux.ai/adrian95/2508056017y2~n1q.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Ferrite Bead
- Manufacturer Part Number: 2508056017Y2
- Functional Group: MCU Core
- Manufacturer Name: Fair\-Rite Products Corp\.
- Role Details: 600Ω@100MHz ferrite bead feeding VDDA/MAX31856 analog supply
- Role: Filtering
- Datasheet URL: https://fair\-rite\.com/print\_product\.php?pid=33610

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J1 — [DB126V\-5\.0\-3P\-GN](https://flux.ai/jharwinbarrozo/db126v-5p0-3p-gn~6j.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: DIBO
- Role Details: L/N/PE input; PE is unswitched
- Role: Mains Input Connector
- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1912111437\_DIBO\-DB126V\-5\-0\-3P\-GN\_C395850\.pdf
- Functional Group: Mains Input and Protection
- Manufacturer Part Number: DB126V\-5\.0\-3P\-GN
- Part Type: Connector

**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]

### J2 — [DB126V\-5\.0\-3P\-GN](https://flux.ai/jharwinbarrozo/db126v-5p0-3p-gn~6j.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Heater Output Channel 1
- Role Details: Switched line / neutral / direct unswitched PE to heater metal
- Manufacturer Name: DIBO
- Role: Heater Connector
- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1912111437\_DIBO\-DB126V\-5\-0\-3P\-GN\_C395850\.pdf
- Manufacturer Part Number: DB126V\-5\.0\-3P\-GN
- Part Type: Connector

**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]

### J3 — [1729128](https://flux.ai/adrian95/1729128~gmm.md)

- Package or Case Code: 1729128
- Manufacturer Name: Phoenix Contact
- Role: Safety Thermostat Connector
- Part Type: Connector
- Datasheet URL: http://www\.phoenixcontact\.net/product/1729128
- Functional Group: Heater Output Channel 1
- Role Details: External normally\-closed mechanical thermostat opens at 650\-675F; independent of electronics
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: 1729128

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J4 — [1729128](https://flux.ai/adrian95/1729128~gmm.md)

- Role: Thermocouple Connector
- Package or Case Code: 1729128
- Manufacturer Name: Phoenix Contact
- Part Type: Connector
- Functional Group: Thermocouple Channel 1
- Role Details: TC\+ and TC\-; use Type K compatible contacts/extension wire in final assembly
- Datasheet URL: http://www\.phoenixcontact\.net/product/1729128
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: 1729128

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J5 — [Pin Header 01x06 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x06-2p54mm-vertical~lzd.md)

- Role Details: 3V3, GND, I2C\_SCL, I2C\_SDA, DISP\_RST, DISP\_IRQ/CS
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Role: Display Connector
- Functional Group: Display and User Interface

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]

### J6 — [Pin Header 01x04 2\.54mm](https://flux.ai/vasyl/pin-header-01x04-254mm~de3.md)

- Functional Group: MCU Core
- Role Details: 3V3, GND, SWDIO, SWCLK
- Part Type: Connector
- Role: Debug Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J7 — [Pin Header 01x06 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x06-2p54mm-vertical~lzd.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Functional Group: Expansion
- Role Details: 3V3, GND, SPI\_SCK, SPI\_MISO, SPI\_MOSI, TC2\_CS/FAULT via shared selection provision
- Role: Expansion Connector

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]

### J8 — [Pin Header 01x06 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x06-2p54mm-vertical~lzd.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Role Details: 3V3, GND, HEAT2\_CMD, HEAT2\_FAULT and spare lines; optional isolated power stage not populated
- Role: Expansion Connector
- Functional Group: Expansion

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]

### PS1 — [RAC03\-05SK](https://flux.ai/adrian95/rac03-05sk.md)

- Manufacturer Name: RECOM Power
- Role Details: 85\-264VAC to 5V 600mA; sized above 195mA 3\.3V peak allowance
- Functional Group: Isolated Power Supply
- Manufacturer Part Number: RAC03\-05SK
- Datasheet URL: https://www\.mouser\.com/datasheet/2/468/RAC03\-K\-1591915\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Power Supply
- Role: Isolated AC/DC Supply

**Pins:**
- \-VOUT [pin 2]
- \+VOUT [pin 3]
- VAC\_IN\_\(L\) [pin 1]
- VAC\_IN\_\(N\) [pin 4]

### Q1 — [Q8008L5TP](https://flux.ai/jecstronic/q8008l5tp~zao.md)

- Functional Group: Heater Output Channel 1
- Manufacturer Name: Littelfuse Inc\.
- Part Type: Thyristors
- Role Details: 800V 8A RMS triac; heatsinking and temperature derating required for 4\.35A target
- Role: Heater Power Switch
- Datasheet URL: https://www\.littelfuse\.com/\~/media/electronics/datasheets/switching\_thyristors/littelfuse\_thyristor\_lxx08xx\_qxx08xx\_qxx08xhx\_datasheet\.pdf\.pdf
- Manufacturer Part Number: Q8008L5TP

**Pins:**
- A1 [pin 1]
- A2 [pin 2]
- G [pin 3]

### Q2 — [MMBT3904LT1G](https://flux.ai/openpartlist/mmbt3904lt1g~s5.md)

- Manufacturer Part Number: MMBT3904LT1G
- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/mmbt3904lt1\-d\.pdf
- Manufacturer Name: onsemi
- Part Type: Transistor
- Role: Optotriac LED Driver
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Heater Output Channel 1
- Role Details: Base pull\-down holds heater command off during MCU reset/unpowered state

**Pins:**
- B [pin 1]
- C [pin 3]
- E [pin 2]

### RV1 — [SV275K14BL1](https://flux.ai/adrian95/sv275k14bl1~9o.md)

- Manufacturer Part Number: SV275K14BL1
- Functional Group: Mains Input and Protection
- Part Type: Varistor
- Role Details: 275VAC MOV across fused filtered L\-N
- Role: Surge Protection
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Bourns Inc\.
- Datasheet URL: https://www\.bourns\.com/docs/product\-datasheets/sv\_series\.pdf

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### SW1 — [434123043816](https://flux.ai/silicon-yard/434123043816.md)

- Role Details: UP momentary button to ground; firmware enables/internal or external pull\-up
- Manufacturer Part Number: 434123043816
- Role: User Input
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/0c826312ad255f59a78fc262307a6aec36b1b26d9e56f71c12b166f606cbd328\.pdf
- Functional Group: Display and User Interface
- Part Type: Electromechanical Components
- Mount: Surface Mount
- Manufacturer Name: Würth

**Pins:**
- COM [pin 1]
- NO [pin 2]

### SW2 — [434123043816](https://flux.ai/silicon-yard/434123043816.md)

- Role Details: DOWN momentary button to ground
- Manufacturer Part Number: 434123043816
- Role: User Input
- Functional Group: Display and User Interface
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/0c826312ad255f59a78fc262307a6aec36b1b26d9e56f71c12b166f606cbd328\.pdf
- Part Type: Electromechanical Components
- Mount: Surface Mount
- Manufacturer Name: Würth

**Pins:**
- COM [pin 1]
- NO [pin 2]

### SW3 — [434123043816](https://flux.ai/silicon-yard/434123043816.md)

- Functional Group: Display and User Interface
- Manufacturer Part Number: 434123043816
- Role Details: MENU/ENTER momentary button to ground
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/0c826312ad255f59a78fc262307a6aec36b1b26d9e56f71c12b166f606cbd328\.pdf
- Role: User Input
- Part Type: Electromechanical Components
- Mount: Surface Mount
- Manufacturer Name: Würth

**Pins:**
- COM [pin 1]
- NO [pin 2]

### SW4 — [434123043816](https://flux.ai/silicon-yard/434123043816.md)

- Manufacturer Part Number: 434123043816
- Role: Switching
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/0c826312ad255f59a78fc262307a6aec36b1b26d9e56f71c12b166f606cbd328\.pdf
- Part Type: Electromechanical Components
- Role Details: NRST to GND manual reset
- Mount: Surface Mount
- Manufacturer Name: Würth
- Functional Group: MCU Core

**Pins:**
- COM [pin 1]
- NO [pin 2]

### U1 — [TLV75533PDBVR](https://flux.ai/lcsc/tlv75533pdbvr~gnuj.md)

- LCSC Part Number: C404027
- Manufacturer Part Number: TLV75533PDBVR
- Role Details: 3\.3V 500mA LDO; estimated 0\.33W at 195mA peak from 5V
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOT\-23\-5\_L3\.0\-W1\.7\-P0\.95\-LS2\.8\-BR
- Manufacturer Name: TI\(德州仪器\)
- Part Type: Linear Voltage Regulators \(LDO\)
- Product Info Url: https://lcsc\.com/product\-detail/Low\-Dropout\-Regulators\-LDO\_Texas\-Instruments\-TI\-TLV75533PDBVR\_C404027\.html
- Role: Voltage Regulator
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/1912111437\_Texas\-Instruments\-TLV75533PDBVR\_C404027\.pdf
- Symbol Style: parametric\-v1
- Functional Group: Isolated Power Supply

**Pins:**
- EN [pin 3]
- GND [pin 2]
- IN [pin 1]
- NC [pin 4]
- OUT [pin 5]

### U2 — [STM32F103C8T6](https://flux.ai/vasy_skral/stm32f103c8t6~isy.md)

- Manufacturer Name: STMicroelectronics
- Functional Group: MCU Core
- Role Details: 3\.3V MCU with independent/window watchdogs, BOR/PVD, SWD, SPI and I2C
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Microcontroller
- Role: Microcontroller
- Symbol Style: Parametric
- Datasheet URL: https://www\.st\.com/resource/en/datasheet/stm32f103cb\.pdf
- Manufacturer Part Number: STM32F103C8T6

**Pins:**
- BOOT0 [pin 44]
- NRST [pin 7]
- PA0 [pin 10]
- PA1 [pin 11]
- PA10 [pin 31]
- PA11 [pin 32]
- PA12 [pin 33]
- PA13 [pin 34]
- PA14 [pin 37]
- PA15 [pin 38]
- PA2 [pin 12]
- PA3 [pin 13]
- PA4 [pin 14]
- PA5 [pin 15]
- PA6 [pin 16]
- PA7 [pin 17]
- PA8 [pin 29]
- PA9 [pin 30]
- PB0 [pin 18]
- PB1 [pin 19]
- PB10 [pin 21]
- PB11 [pin 22]
- PB12 [pin 25]
- PB13 [pin 26]
- PB14 [pin 27]
- PB15 [pin 28]
- PB2 [pin 20]
- PB3 [pin 39]
- PB4 [pin 40]
- PB5 [pin 41]
- PB6 [pin 42]
- PB7 [pin 43]
- PB8 [pin 45]
- PB9 [pin 46]
- PC13 [pin 2]
- PC14 [pin 3]
- PC15 [pin 4]
- PD0 [pin 5]
- PD1 [pin 6]
- VBAT [pin 1]
- VDD [pin 24]
- VDD [pin 36]
- VDD [pin 48]
- VDDA [pin 9]
- VSS [pin 35]
- VSS [pin 47]
- VSS [pin 23]
- VSSA [pin 8]

### U3 — [MAX31856MUD\+](https://flux.ai/lcsc/max31856mudplus~rt0a.md)

- Part Type: Sensor Interface ICs
- JLCPCB Part Class: Extended Part
- Manufacturer Name: ADI\(亚德诺\)/MAXIM\(美信\)
- Role Details: Type K, SPI, cold\-junction compensation, open/short fault reporting
- Datasheet URL: https://www\.lcsc\.com/datasheet/lcsc\_datasheet\_2304140030\_Analog\-Devices\-Inc\-\-Maxim\-Integrated\-MAX31856MUD\-\_C116632\.pdf
- Role: Thermocouple Interface
- Manufacturer Part Number: MAX31856MUD\+
- Package or Case Code: TSSOP\-14\_L5\.0\-W4\.4\-P0\.65\-LS6\.4\-BL
- LCSC Part Number: C116632
- Functional Group: Thermocouple Channel 1
- Product Info Url: https://lcsc\.com/product\-detail/\_Maxim\-Integrated\_MAX31856MUD\_Maxim\-Integrated\-MAX31856MUD\_C116632\.html

**Pins:**
- \~\{CS\} [pin 9]
- \~\{DRDY\} [pin 7]
- \~\{FAULT\} [pin 13]
- AGND [pin 1]
- AVDD [pin 5]
- BIAS [pin 2]
- DGND [pin 14]
- DNC [pin 6]
- DVDD [pin 8]
- SCK [pin 10]
- SDI [pin 12]
- SDO [pin 11]
- T\- [pin 3]
- T\+ [pin 4]

### U4 — [MOC3063M](https://flux.ai/lcsc/moc3063m~mahn.md)

- Functional Group: Heater Output Channel 1
- JLCPCB Part Class: Extended Part
- Part Type: Optocouplers \- Thyristor Signal Output
- Manufacturer Name: UMW\(友台半导体\)
- Package or Case Code: DIP\-6\_L7\.3\-W6\.5\-P2\.54\-LS7\.6\-BL
- LCSC Part Number: C2842967
- Role: Isolation Driver
- Manufacturer Part Number: MOC3063M
- Role Details: Zero\-cross optotriac command boundary; heater defaults off when LED unpowered

**Pins:**
- Anode [pin 1]
- Cathode [pin 2]
- NC [pin 3]
- Sub [pin 5]
- Terminal [pin 6]
- Terminal [pin 4]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/official123/rotary\-hand\-sealer\-digital\-controller\-4667\~2i](https://flux.ai/official123/rotary-hand-sealer-digital-controller-4667~2i).*

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*Generated from [https://flux\.ai/official123/rotary\-hand\-sealer\-digital\-controller\-4667\~2i](https://flux.ai/official123/rotary-hand-sealer-digital-controller-4667~2i)*