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Specifications
Mfr. Part #:
DRS-50-82-88
Key Attributes
Model Number:
DRS-50-82-88
Product Description
Product Overview
The Littelfuse DRS-50 is a standard, normally open, high-power reed switch designed for demanding applications. It features a hermetically sealed glass envelope, ensuring reliable operation unaffected by its environment. Capable of switching up to 400Vdc at 2mA and carrying up to 6A, it can handle power up to 100W/VA, making it suitable for switching European mains voltage. With high insulation resistance and low contact resistance, the DRS-50 is ideal for security systems, limit switching, industrial applications, and white goods.
Product Attributes
- Brand: Littelfuse
- Product Type: High Power Reed Switch
- Contact Form: A (SPST-NO - Single-pole, single-throw, normally open)
- Body Material: Glass
- Leads Material: Tin-plated Ni-Fe wire
- Certifications: E47258, E471070, DEMKO 14 ATEX 1393U
- RoHS Compliant: Yes
Technical Specifications
| Specification | Value | Unit | Notes |
|---|---|---|---|
| Model | DRS-50 | ||
| Glass Envelope Length | 50.80 (2.000) | mm (inch) | MAX. |
| Glass Envelope Diameter | 5.25 (.207) | mm (inch) | MAX. |
| Contact Rating (Switching) | 100 | W/VA | Product of switching voltage and current should not exceed wattage rating. |
| Switching Voltage (Max.) | 400 | Vdc | |
| Switching Current (Max.) | 2 | mA | |
| Carry Current (Max.) | 6.0 | Adc | |
| Breakdown Voltage (Min.) | 600 | Vdc | Per MIL-STD-202, Method 301. |
| Contact Resistance (Initial, Max.) | 0.100 | ||
| Insulation Resistance (Min.) | 1010 | ||
| Capacitance (Contact, Typ.) | 0.6 | pF | |
| Operating Temperature | -40 to +125 | C | |
| Storage Temperature | -65 to +125 | C | Long time exposure at elevated temperature may degrade solderability of the leads. |
| Operate Time (Max.) | 4.5 | ms | Includes bounce. Per EIA/NARM RS-421-A, diode suppressed coil (Coil IV). |
| Release Time (Max.) | 2.5 | ms | Per EIA/NARM RS-421-A, diode suppressed coil (Coil IV). |
| Shock (Max.) | 100 | G | 11ms sine wave. Per EIA/NARM RS-421-A and MIL-STD-202. |
| Vibration (Max.) | 30 | G | 50-2000 Hertz. Per EIA/NARM RS-421-A and MIL-STD-202. |
| Resonant Frequency (Typ.) | 850 | Hz | |
| Pull-In Range (Rating Sensitivity) | 42-83 | AT | Value at which contact ratings and operating characteristics are determined. |
| Ampere-Turns Range (Agency Approval) | 42-83 | AT | |
| Series Example | DRS-50-42-83 | Represents 42-83 AT range. | |
| Packaging Option | Bulk | Quantity: 1000 |
2411010929_Littelfuse-DRS-50-82-88_C19491681.pdf
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