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Specifications
Mfr. Part #:
DRS-50-62-68
Key Attributes
Model Number:
DRS-50-62-68
Product Description
Product Overview
The Littelfuse DRS-50 is a standard, normally open, high-power reed switch designed for demanding applications. It features a 50.80mm glass envelope capable of switching high voltages up to 400Vdc and power up to 100W/VA, while carrying up to 6A. With hermetically sealed contacts, it offers high insulation resistance and low contact resistance, making it suitable for security, limit switching, industrial applications, and white goods. The switch operates with zero power required for contact closure and is available in various sensitivity ranges.
Product Attributes
- Brand: Littelfuse
- Product Type: High Power Reed Switch
- Contact Form: A (SPST-NO - Single-pole, single-throw, normally open)
- Body Material: Glass
- Lead Material: Tin-plated Ni-Fe wire
- Certifications: E47258, E471070, DEMKO 14 ATEX 1393U
- Environmental: Hermetically sealed
- RoHS: Yes
Technical Specifications
| Specification | Value | Unit | Notes |
|---|---|---|---|
| Model | DRS-50 | - | - |
| Glass Envelope Length | 50.80 | mm (2.000") | Max. |
| Glass Envelope Diameter | 5.25 | mm (.207") | Max. |
| Contact Rating (Switching) | 100 | W/VA | Max. Product of switching voltage and current should not exceed wattage rating. |
| Contact Rating (Switching Voltage) | 400 | Vdc | Max. |
| Contact Rating (Switching Current) | 2 | mA | Max. |
| Contact Rating (Carrying Current) | 6.0 | Adc | Max. |
| Breakdown Voltage | 600 | Vdc | Min. (per MIL-STD-202, Method 301) |
| Insulation Resistance | 1010 | Min. | |
| Contact Resistance (Initial) | 0.100 | Max. | |
| Capacitance (Contact, Typical) | 0.6 | pF | Typ. |
| Operating Temperature | -40 to +125 | C | - |
| Storage Temperature | -65 to +125 | C | Long time exposure at elevated temperature may degrade solderability of leads. |
| Operate Time | 4.5 | ms | Max. (including bounce) |
| Release Time | 2.5 | ms | Max. |
| Shock Resistance | 100 | G | Max. (11ms 1/2 sine wave) |
| Vibration Resistance | 30 | G | Max. (50-2000 Hertz) |
| Resonant Frequency | 850 | Hz | Typ. |
| Ampere-Turns Range (Agency) | 42-83 | AT | - |
| Rating Sensitivity | 60 | Ampere Turns | - |
| Packaging Option | Bulk | - | 1000 Quantity |
2411010936_Littelfuse-DRS-50-62-68_C19614572.pdf
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