Technical Documents
PDF / CAD
RoHS Compliant · Lead-Free
EIA-481 Standard
UM3221EEAE - Union Semiconductor (HK) Limited
MPN UM3221EEAE
Active
Spot Stock · 24-48h Dispatch
100% Original Sealed
1 TX 1 RX RS232
In Stock: 2 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d)
Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$1.07 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$1.07
Working on a production BOM or have a target unit price? Submit Target Price
$1.07 / ea
2 in stock — maximum per order · 3–4 days lead time
[SPEC] Essential Parameters Snapshot Full Specifications (12)
Package / Case 16-SSOP (0.209", 5.30mm Width)
Supply Voltage 3V ~ 5.5V
Full Technical Specifications
12 Parameters| Parameter / Attribute | Specification / Value |
|---|---|
| Type | Transceiver |
| Series | UM3221E |
| Mounting | Surface Mount |
| Supply voltage | 3V ~ 5.5V |
| Protocol | RS232 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Duplex | Full |
| Package | Tape & Reel (TR) |
| Data rate | 250kbps |
| Case | 16-SSOP (0.209\", 5.30mm Width) |
| Receiver hysteresis | 200 mV |
| Number of drivers (Receivers) | 1/1 |
Series Sibling Variants
Union Semiconductor (HK) Limited UM3221E Series Models
Sibling variants, package options, and speed/density grades in this Union Semiconductor (HK) Limited semiconductor series. Active Shenzhen warehouse allocation and rapid 24-48h dispatch.
UM3221EEAE
Verified Allocation