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Littelfuse Time Delay Relays
Product | Inventory | Pricing(USD) | Quantity | Datasheet | RoHS | Mounting Type | Package / Case | Supplier Device Package | Housing Material | Thermal Resistance of Package | Approvals | Base Product Number | CCT(K) | Contact Materials | Current-IEC | Current-UL | Data Converters | Manufacturer | Manufacturer Part Number | Mfr | Number of I/Os | Package | Product Status | Timing Range | Torque-Screw | Voltage-Input | Voltage-UL | Operating Temperature | Series | Size / Dimension | Tolerance | Number of Terminations | Termination | Temperature Coefficient | Type | Resistance | Number of Positions | Composition | Color | Applications | Power (Watts) | Pitch | Voltage - Supply | Ingress Protection | Insulation Height | Frequency | Frequency Stability | Output | Termination Style | Function | Base Resonator | Current - Supply (Max) | Efficiency | Failure Rate | Current - Supply (Disable) (Max) | Contact Tail Length | Oscillator Type | Current - Output (Max) | Number of Levels | Speed | RAM Size | Voltage - Supply (Vcc/Vdd) | Voltage - Forward (Vf) (Typ) | Core Processor | Viewing Angle | Peripherals | Program Memory Type | Core Size | Program Memory Size | Spread Spectrum Bandwidth | Connectivity | Contact Mating Finish | Current - Test | Voltage - Output | Wire Gauge or Range - AWG | Lumens/Watt @ Current - Test | CRI (Color Rendering Index) | Positions Per Level | Plug Wire Entry | Header Orientation | Current - Max | Wire Gauge or Range - mm² | Wire Strip Length | Coil Voltage | EEPROM Size | Screw Size | Form | Output Connector | Flux @ 25°C, Current - Test | Flux @ 85°C, Current - Test | Absolute Pull Range (APR) | Mode of Operation | Features | Contacts | Height Seated (Max) | Material Flammability Rating | Ratings |
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![]() KRD3420B Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | KRD3420B-SSAC | Glenair | - | Retail Package | Active | 0 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 110 VDC | - | - | - | - | - | - | - | Repeat Cycle | - | SPDT | - | - | - | ||
![]() PTHF4300AK Littelfuse | In Stock | - | - | Free Hanging (In-Line) | - | - | Thermoplastic | - | CE, CSA, cULus, UL | KD22 | - | Phosphor Bronze | - | 5.5 A | - | SSAC | PTHF4300AK-SSAC | Amphenol Anytek | - | Bulk | Active | 300 | - | - | 160 V | -40°C ~ 115°C | KD | - | - | - | 0.250 in Flat Blade | - | Plug, Female Sockets | - | 22 | - | Green | - | - | 0.138 (3.50mm) | - | - | 0.634 (16.10mm) | - | - | - | Screwless - Leg Spring, Push-In Spring | - | - | - | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | Tin | - | - | 16-24 AWG | - | - | 11 | 180° | - | - | - | 9-10mm | 120 VAC | - | - | - | - | - | - | - | Percentage Repeat Cycle | - | Solid State | - | UL94 V-0 | - | ||
![]() THDB425B Littelfuse | In Stock | - | - | Surface Mount | 4-SMD, No Lead | - | - | - | CE, CSA, UL | SG-8101 | - | - | - | - | - | SSAC | THDB425B-SSAC | EPSON | - | Tape & Reel (TR) | Active | 10 | - | - | - | -40°C ~ 85°C | SG-8101 | 0.197 L x 0.126 W (5.00mm x 3.20mm) | - | - | 0.250 in Flat Blade | - | XO (Standard) | - | - | - | - | - | - | - | 1.8V ~ 3.3V | - | - | 150.36 MHz | ±15ppm | CMOS | - | Enable/Disable | Crystal | 6.8mA (Typ) | - | - | 3.5mA | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | Off Delay | - | 1NO | 0.051 (1.30mm) | - | - | ||
![]() PTHF210D Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, cULus, UL | - | - | - | - | - | - | SSAC | PTHF210D-SSAC | AUTEC POWER SYSTEMS | - | Case | Active | 10 | - | 100 ~ 240 VAC | - | - | DT030LE (20W) | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | ITE (Commercial) | 20 W | - | - | - | - | - | - | - | - | - | - | - | Level VI | - | - | - | - | 4A | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3.3V | - | - | - | - | - | - | - | - | - | 24 VAC | - | - | Desktop | Barrel Plug R/A, 2.5mm I.D. x 5.5mm O.D. | - | - | - | Percentage Repeat Cycle | - | Solid State | - | - | - | ||
![]() ERDM1211 Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | ERDM1211-SSAC | Reliance North America | - | Tape & Box (TB) | Active | 10 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 12 VDC | - | - | - | - | - | - | - | On Delay | - | DPDT | - | - | - | ||
![]() THD4C421 Littelfuse | In Stock | - | - | Surface Mount | 48-LQFP | 48-LQFP (7x7) | - | - | CE, CSA, UL | MB90387 | - | - | - | - | A/D 8x8/10b | SSAC | THD4C421-SSAC | Infineon Technologies | 36 | Tray | Obsolete | 1 | - | - | - | -40°C ~ 105°C (TA) | F²MC-16LX MB90385 | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | External | - | - | 16MHz | 2K x 8 | 3.5V ~ 5.5V | - | F²MC-16LX | - | POR, WDT | Mask ROM | 16-Bit | 64KB (64K x 8) | - | CANbus, SCI, UART/USART | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | On Delay | - | 1NC | - | - | - | ||
![]() ESDR325A5P Littelfuse | In Stock | - | - | Surface | Wide 1206 (3216 Metric), 0612 | - | - | - | CE, CSA, UL | WK73R2B | - | - | - | - | - | SSAC | ESDR325A5P-SSAC | KOA Speer Electronics, Inc. | - | Tape & Reel (TR);Cut Tape (CT);Digi-Reel®; | Active | 10 | - | - | - | -55°C ~ 155°C | WK73R | 0.063 L x 0.126 W (1.60mm x 3.20mm) | ±5% | 2 | 0.250 in Flat Blade | ±100ppm/°C | - | 160 Ohms | - | Thick Film | - | - | 1W | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 24 VDC | - | - | - | - | - | - | - | Repeat Cycle | Automotive AEC-Q200, Moisture Resistant | Solid State | 0.028 (0.70mm) | - | AEC-Q200 | ||
![]() ESDR461A1S Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | ESDR461A1S-SSAC | PEI-Genesis | - | Bulk | Active | 1 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | Repeat Cycle | - | Solid State | - | - | - | ||
![]() KRDM4130S Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | KRDM4130S-SSAC | Glenair | - | Retail Package | Active | 30 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | On Delay | - | SPDT | - | - | - | ||
![]() TRM120A9Z10 Littelfuse | In Stock | - | - | Surface Mount | 4-SMD, No Lead | - | - | - | CE, CSA, UL | SG-8101 | - | - | - | - | - | SSAC | TRM120A9Z10-SSAC | EPSON | - | Tape & Reel (TR) | Active | 0 | - | - | - | -40°C ~ 105°C | SG-8101 | 0.276 L x 0.197 W (7.00mm x 5.00mm) | - | - | 8 Pin | - | XO (Standard) | - | - | - | - | - | - | - | 1.8V ~ 3.3V | - | - | 2.21184 MHz | ±20ppm | CMOS | - | Standby (Power Down) | Crystal | 6.8mA (Typ) | - | - | 1.1µA | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | On Delay | - | SPDT | 0.055 (1.40mm) | - | - | ||
![]() LLC46B45A Littelfuse | In Stock | - | - | Socket | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | LLC46B45A-SSAC | PEI-Genesis | - | Bulk | Active | 45 | - | - | - | - | * | - | - | - | 8 Pin | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 230 VAC | - | - | - | - | - | - | - | - | - | SPDT | - | - | - | ||
![]() ERDM111S Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | ERDM111S-SSAC | PEI-Genesis | - | Bulk | Active | 1 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 12 VDC | - | - | - | - | - | - | - | On Delay | - | DPDT | - | - | - | ||
![]() ESD54320S5 Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | ESD54320S5-SSAC | PEI-Genesis | - | Bulk | Active | 20 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | Delayed Interval | - | - | - | - | - | ||
![]() TSDR220A10M Littelfuse | In Stock | - | - | Surface Mount | 4-SMD, No Lead | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | TSDR220A10M-SSAC | SiTime | - | Strip | Active | 0 | - | - | - | -40°C ~ 85°C | SiT8208 | 0.126 L x 0.098 W (3.20mm x 2.50mm) | - | - | 0.250 in Flat Blade | - | XO (Standard) | - | - | - | - | - | - | - | 3.3V | - | - | 37.5 MHz | ±25ppm | LVCMOS, LVTTL | - | Standby (Power Down) | MEMS | 33mA | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 24 VAC | - | - | - | - | - | - | - | Repeat Cycle | - | - | 0.031 (0.80mm) | - | - | ||
![]() TS2622 Littelfuse | In Stock | - | - | Surface Mount | 1212 (3030 Metric) | SMD | - | 5.25°C/W | CE, CSA, UL | - | 3500K | - | - | - | - | SSAC | TS2622-SSAC | OSRAM Opto (ams OSRAM) | - | Tape & Reel (TR) | Discontinued at Digi-Key | 0 | - | - | - | - | OSLON® SSL 80 | 0.118 L x 0.118 W (3.00mm x 3.00mm) | - | - | 0.250 in Flat Blade | - | - | - | - | - | White, Warm | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2.85V | - | 80° | - | - | - | - | - | - | - | 350mA | - | - | 136 lm/W | 70 | - | - | - | 1.3A | - | - | 230 VAC | - | - | - | - | - | 136lm (121lm ~ 150lm) | - | Interval | - | 1NO | 0.084 (2.13mm) | - | - | ||
![]() THD2A420 Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | THD2A420-SSAC | Glenair | - | Retail Package | Active | 0 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | Interval | - | 1NO | - | - | - | ||
![]() ORB120A13D Littelfuse | In Stock | - | - | Surface | 0805 (2012 Metric) | 0805 | - | - | CE, CSA, UL | RN73R2A | - | - | - | - | - | SSAC | ORB120A13D-SSAC | KOA Speer Electronics, Inc. | - | Tape & Reel (TR);Cut Tape (CT);Digi-Reel®; | Active | 3 | - | - | - | -55°C ~ 155°C | RN73R | 0.079 L x 0.049 W (2.00mm x 1.25mm) | ±1% | 2 | 0.250 in Flat Blade | ±25ppm/°C | - | 27.7 kOhms | - | Thin Film | - | - | 0.125W, 1/8W | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 120 VAC | - | - | - | - | - | - | - | Off Delay | Automotive AEC-Q200, Moisture Resistant | DPDT | 0.024 (0.60mm) | - | AEC-Q200 | ||
![]() MSM10.25W6 Littelfuse | In Stock | - | - | Wire Leads | 0805 (2012 Metric) | 0805 | - | - | CE, CSA, UL | RK73H2A | - | - | - | - | - | SSAC | MSM10.25W6-SSAC | KOA Speer Electronics, Inc. | - | Tape & Reel (TR);Cut Tape (CT);Digi-Reel®; | Active | 0 | - | - | - | -55°C ~ 155°C | RK73H | 0.079 L x 0.049 W (2.00mm x 1.25mm) | ±0.5% | 2 | Wire Leads | ±100ppm/°C | - | 3.4 kOhms | - | Thick Film | - | - | 0.25W, 1/4W | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 12 VDC | - | - | - | - | - | - | - | On Delay | Automotive AEC-Q200, Moisture Resistant | 1NO | 0.024 (0.60mm) | - | AEC-Q200 | ||
![]() KRPD12721MS Littelfuse | In Stock | - | - | Surface | 1206 (3216 Metric) | 1206 | - | - | CE, CSA, UL | RN73R2B | - | - | - | - | - | SSAC | KRPD12721MS-SSAC | KOA Speer Electronics, Inc. | - | Tape & Reel (TR);Cut Tape (CT);Digi-Reel®; | Active | 0 | - | - | - | -55°C ~ 155°C | RN73R | 0.126 L x 0.063 W (3.20mm x 1.60mm) | ±0.5% | 2 | 0.250 in Flat Blade | ±10ppm/°C | - | 348 Ohms | - | Thin Film | - | - | 0.25W, 1/4W | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 12 VDC | - | - | - | - | - | - | - | On Delay, One-Shot | Automotive AEC-Q200, Moisture Resistant | SPDT | 0.028 (0.70mm) | - | AEC-Q200 | ||
![]() HRDR215MA25M Littelfuse | In Stock | - | - | Surface | - | - | - | - | CE, CSA, UL | - | - | - | - | - | - | SSAC | HRDR215MA25M-SSAC | Glenair | - | Retail Package | Active | 5 | - | - | - | - | * | - | - | - | 0.250 in Flat Blade | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 24 VAC | - | - | - | - | - | - | - | Repeat Cycle | - | SPDT | - | - | - |