Technical Specifications
| Category | Integrated Circuits (ICs)/Power Distribution Switches, Load Drivers |
| Product Status | Obsolete |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Features | Status Flag |
| Mounting Type | Through Hole |
| Package / Case | 16-PowerDIP (0.300", 7.62mm) |
| Input Type | Non-Inverting |
| Output Type | Bipolar |
| Interface | On/Off |
| Supplier Device Package | 16-DIP |
| Ratio - Input: Output | 1:1 |
| Voltage - Supply ( Vcc/ Vdd) | 4.75V ~ 5.25V |
| Number of Outputs | 4 |
| Fault Protection | Current Limiting (Fixed), Over Temperature |
| Output Configuration | Low Side |
| Rds On ( Typ) | - |
| Voltage - Load | 60V (Max) |
| Current - Output ( Max) | 300mA |
| Switch Type | Relay, Solenoid Driver |
| E U Ro H S Status | RoHS non-compliant |
| M S L Rating | 1 (Unlimited, 30°C/85%RH) |
| R E A C H Status | REACH Unaffected |
| U S E C C N | EAR99 |
| H T S U S | 8542.39.0001 |
| China Ro H S Status | Orange Symbol: Safe for use during the environmental protection period |
Product Overview
The A2557SB is a power distribution switches in the Power Switches & Distribution family manufactured by Allegro MicroSystems. This part has been marked as obsolete by Allegro MicroSystems; FPGACenter can quote verified sourcing options through qualified specialty channels.
Key specifications include Category: Integrated Circuits (ICs)/Power Distribution Switches, Load Drivers, Product Status: Obsolete, Operating Temperature: -20°C ~ 85°C (TA), Features: Status Flag, Mounting Type: Through Hole.
This device comes in a 16-PowerDIP (0.300", 7.62mm) package with through hole mounting.
Submit an RFQ for A2557SB; FPGACenter will verify availability, provenance, lead time, and pricing before confirming supply.
Application Areas
Frequently Asked Questions
Can FPGACenter source the A2557SB?
Yes. FPGACenter can quote A2557SB through qualified specialty sourcing channels. Availability, lead time, provenance, and pricing are verified before an order is confirmed.
What package type is the A2557SB available in?
The A2557SB by Allegro MicroSystems is available in a 16-PowerDIP (0.300", 7.62mm) package with through hole mounting configuration. All parts are original and shipped in manufacturer-standard packaging.
The A2557SB is marked as obsolete. Are the parts genuine?
All A2557SB units sourced by FPGACenter are reviewed for originality, lot condition, and documentation before shipment. We use IDEA-STD-1010-aligned inspection practices for specialty-channel supply. We specialize in obsolete part sourcing and verify availability before confirming supply.