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UMW MAX485EAS — Interface & Transceivers
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UMW / Interface & Transceivers

UMW MAX485EAS

MPN MAX485EAS
Active Spot Stock · 24-48h Dispatch 100% Original Sealed

IC TRANSCEIVER HALF 1/1 8SOP

In Stock: 2,177 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)
$3.37 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$3.37
10+ pcs
$3.03
30+ pcs
$2.76
100+ pcs
$2.49
500+ pcs
$2.33
1,000+ pcs
$2.19
Working on a production BOM or have a target unit price? Submit Target Price
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$3.37 / ea

2,177 in stock — maximum per order · 3–4 days lead time

$3.03 / ea from 10 pcs
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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (11)
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supply Voltage 4.75V ~ 5.25V
ALT
Facing long factory lead times or allocation on MAX485EAS? Verified pin-compatible alternatives available with active Shenzhen stock and 100% solder-ready footprint match.
View Pin Alternates (2)

Full Technical Specifications

11 Parameters
MAX485EAS specifications
Parameter / AttributeSpecification / Value
TypeTransceiver
MountingSurface Mount
Supply voltage4.75V ~ 5.25V
ProtocolRS422, RS485
Operating temperature0°C ~ 70°C (TA)
DuplexHalf
PackageTape & Reel (TR) Cut Tape (CT)
Data rate2.5Mbps
Case8-SOIC (0.154\", 3.90mm Width)
Receiver hysteresis70 mV
Number of drivers (Receivers)1/1
100% Footprint Match · Solder-Ready (No PCB Redesign Needed)

Need Stock or a Drop-in Second-Source for MAX485EAS?

Package: SOIC-8 (Narrow 150mil) · Pin-compatible replacements with immediate Shenzhen spot stock

Footprint Match 100%
Supply Chain & Allocation Reality:

The standard 8-pin RS-485 transceiver is the backbone of Modbus, BACnet, and solar inverter communications. Western brands (Maxim/TI) often face recurring spot premiums. MaxLinear SP485 and 3PEAK TP485E provide 100% pin-compatible, electrical-superior drop-in replacements with enhanced ESD protection.

Verified Pin-Compatible Replacements (2 verified alternatives)

TP485E-SR 3PEAK SOIC-8
100% Drop-in (Zero Code Change)
Availability & Target Pricing:

Enhanced ±15 kV ESD Protection & Stable Spot Delivery

Shenzhen Warehouse Spot Stock (24h Dispatch)

Electrical & Core Specs:

Up to 2.5 Mbps data rate, slew-rate limited for reduced EMI

4.75V – 5.25V (Standard 5V RS-485 bus)

Compatibility & Drop-In Notes: Zero software change required. DE (Driver Enable) and /RE (Receiver Enable) logic thresholds match legacy MAX485.
Package & Solder Footprint: 100% pin-to-pin compatible drop-in (Pin 1: RO, Pin 2: /RE, Pin 3: DE, Pin 4: DI, Pin 5: GND, Pin 6: A, Pin 7: B, Pin 8: VCC). Features ±15 kV IEC 61000-4-2 ESD protection (vastly superior to legacy MAX485 ±2 kV).
Shenzhen Warehouse Stock & MOQ: High reliability automotive and industrial grade parts with millions in monthly factory volume.
Request Volume Quote for TP485E-SR Compare MAX485EAS vs TP485E-SR Spec Matrix
SP485EEN-L/TR MaxLinear (Exar) SOIC-8
100% Drop-in (Zero Code Change)
Availability & Target Pricing:

Tier-1 Telecom Specified Second-Source with Proven Track Record

Immediate Reel Stock

Electrical & Core Specs:

Up to 10 Mbps data rate

5.0V ±5%

Compatibility & Drop-In Notes: Identical timing characteristics; drop-in replacement.
Package & Solder Footprint: Direct footprint and electrical substitute.
Shenzhen Warehouse Stock & MOQ: Standard second-source specified by top tier telecommunications equipment manufacturers.
Request Volume Quote for SP485EEN-L/TR Compare MAX485EAS vs SP485EEN-L/TR Spec Matrix
Buyer & Quality Checklist for Sourcing Alternatives
  • Check bus fail-safe biasing resistors (pull-up on A, pull-down on B): 3PEAK TP485 includes integrated true fail-safe receiver inputs.
  • Verify 120-ohm termination resistor placement at the physical cable ends of the RS-485 differential pair.
  • Check common-mode input voltage range (-7V to +12V) across remote ground potentials.
Frequently Asked Technical Questions

Q: Can TP485E-SR replace MAX485ESA+ without re-qualifying the PCB layout?

A: Yes. TP485E-SR is an exact 1:1 footprint, electrical, and pinout drop-in for MAX485ESA+ in SOIC-8. Solder pads, pin definitions, voltage levels, and bus drive characteristics match directly, while providing superior ±15kV ESD surge immunity.

MAX485EAS
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