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HRDS421

Manufacturer Name: Littelfuse
  • Part Number: HRDS421
  • Description

    SINGLE SHOT TIMER

  • Manufacturer Package Description:
  • Category: Time Delay Relays
  • Status:
  • More about HRDS421 Littelfuse

    HRDS421 Littelfuse

    HRDS421 is manufactured by Littelfuse and is categorized in the Time Delay Relays category. HRDS421 is described as SINGLE SHOT TIMER. Perfect Parts is a supplier of Relays and other Electromechanicals.

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Other product lines by Littelfuse

Product Types
Number of Products
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81
Circuit Protection Kits
1
Common Mode Chokes
2
Disconnect Switch Products
17
Discrete Semiconductors
27
ESD Protection
5
Fast & Ultrafast Recovery Rectifier Diodes
2
Fuse Accessories
199
Fuse Blocks & Holders
1081
Fuse Circuit Protection Kit
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Fuses
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GDT
46
GDT Arresters
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General Accessories
761
IGBT Module Transistors
28
IGBT Single Transistors
12
Isolator Switches
1
Knobs
2
Lighting Protection
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Liquid & Level Controllers
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Mica & PTFE Capacitors
1
Midget Fuseblocks & Holders
90
Midget Fuses
218
Mini Fuseblocks & holders
1
Miscellaneous Hardware
1
PMIC Lighting & Ballast Control
1
PMIC Power & Load Switches
12
Power Relays
8
Protection Relay to Amp Systems
303
Protection Relays
17
PTC Fuses
1030
Quick Connect/Disconnect Connector Terminals
3
Reed Switches
396
Relay Sockets
6
Relay Test Monitor
231
RF Coaxial Connectors
1
Rheostats
2
Ring Connector Terminals
3
SCR - DIAC & SIDAC
177
SCR TRIAC
483
Sensor Kits
2
Singal Relays
1
Snap Action/Limit Switches
1
Solenoids & Actuators
1
Specialized Connector Terminals
16
Standard Recovery Rectifier Diodes
1
Standard Recovery Rectifier Diodes
1
Surge Protectors
1
Terminal Block Accessories
26
Terminal Block Power Distribution
125
Thermal Cutoffs & Cutouts
1
Thermistors
169
Thyristors
300
Time Delay Relays
377
Transducer Monitor
7
Transient Voltage Suppression Varistors
4400
TVS Diodes
8168
TVS Mixed Technology
153
TVS Thyristors
1237
Uncategorized Tools
1391
Uncategorized Circuit Protection
95
Uncategorized Diodes Rectifiers Arrays
79
Uncategorized Fuse Blocks and Holders
7951
Uncategorized Specialized Industrial Controls
15
Uncategorized Tools
14
Zener Single Diodes
80
24-August-2025 14:30:07

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