Photos show the actual item you will receive.
Product details
About this part
The SHIMADZU LC2K-PUMP1 ASSY 228-37345, PCB 228-37346B is made by Shimadzu and identified by manufacturer part number 228-37345.
This listing is for the exact part number stated above. Compare the part number, condition and photos with your equipment before ordering.
Condition
This item is listed as Used. Previously used. See condition notes and photos.
The photos are part of the description — check them for labels, connectors, markings and any visible wear.
What's included
1 × SHIMADZU LC2K-PUMP1 ASSY 228-37345, PCB 228-37346B.
Only the items listed here or clearly shown in the photos are included. Cables, manuals, mounting hardware and accessories are not included unless stated.
Identification & compatibility
Check the manufacturer (Shimadzu), the part number (228-37345) and the photos against your equipment. If you are not sure this is the right part, contact us before you order.
Price match
Found an identical item for less at a fixed price elsewhere? Contact us before you buy with the details, and we will review it.
Important information
Product information is based on what is available for this specific item. Where specifications or compatibility are critical to your application, confirm them before purchase.
- Brand
- Shimadzu
- Part number
- 228-37345
- Model
- 228-37346B
- Manufacturer (marking)
- Shimadzu
- Board marking
- LC2K-PUMP1
- Assembly number
- ASSY 228-37345
- PCB number
- PCB 228-37346B
- Power stage
- 4 transistors (Q1-Q4) on finned heatsinks
- Power resistors
- 2 x 0.22 Ω 5% 3 W
- ICs (visible)
- LF412CN op-amps, 74ACT02, 74HC04A
- Capacitors (back)
- 2 x 1000 µF 35 V electrolytic
- Edge connector
- 48 positions, 3 rows (A, B, C x 16)
- Other connectors
- CN4 2-row header, 2 white wire-to-board connectors, CN1 pads
- Condition
- Used
This is a Shimadzu circuit board marked LC2K-PUMP1, assembly number 228-37345 on PCB 228-37346B. Shimadzu prints both numbers on the board next to its logo, so you can match it to the part number in your service records or on the board you are replacing. If you are looking for Shimadzu spare parts or a Shimadzu PCB by number, 228-37345 is the assembly number and 228-37346B is the bare board number.
What is the difference between 228-37345 and 228-37346B?
On Shimadzu boards, the ASSY number identifies the complete populated assembly and the PCB number identifies the printed circuit board it is built on. This board carries both: ASSY 228-37345 and PCB 228-37346B.
What is on the board?
Four transistors (Q1 to Q4) bolted to black finned heatsinks along one edge, two 0.22 Ω 5% 3 W power resistors, LF412CN op-amps, 74ACT02 and 74HC04A logic ICs, two 1000 µF 35 V electrolytic capacitors on the back, and a Shimadzu Corp. inspector label.
What connectors does it have?
A 48-position, three-row connector (rows A, B and C, pins 1 to 16) on the bottom edge, a 2-row pin header marked CN4, two small white wire-to-board connectors, and CN1 solder pads.
What condition is it in?
Used. The photos show the actual board.
- Ships from
- Israel
- Tracking
- Included on every order
Import duties and taxes may apply in your country and are paid by the buyer on delivery.
- Returns
- Not accepted
Return terms differ from item to item — this item's own policy is shown above.
Whatever it says, an item that arrives faulty or not as described is covered: tell us within 30 days of delivery and we will refund or replace it.
Consumers in the EU, the UK and Israel keep their legal right to cancel within 14 days. Full details and the return request form are on our Returns and warranty page.
Questions about this part
What is Shimadzu 228-37345?
The assembly number of the Shimadzu circuit board marked LC2K-PUMP1, built on PCB 228-37346B. Both numbers are printed on the board.
What is the difference between the ASSY and PCB numbers?
The ASSY number (228-37345) is the complete populated board. The PCB number (228-37346B) is the bare circuit board it is built on.
Which Shimadzu instrument does it fit?
The board is marked LC2K-PUMP1, but the instrument model is not printed on it. Match it by assembly number 228-37345 against the board in your unit or your Shimadzu parts list.
What connector does it use?
A 48-position, three-row connector with rows A, B and C, pins 1 to 16, on the bottom edge.
What condition is it in?
Used. The photos show the actual board.
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