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Specifications
Type:
Wirewound Resistor
Resistance:
22Ω
Voltage-Supply(Max):
-
Power(Watts):
2W
Temperature Coefficient:
±350ppm/℃
Tolerance:
±5%
Mfr. Part #:
RXF-2WS-22R-J-T52
Package:
Through Hole,D5xL12mm
Key Attributes
Model Number:
RXF-2WS-22R-J-T52
Product Description
Product Overview
The RXF series resistors from Dongguan Hongda Electronic Technology Co., Ltd. are designed with excellent surge resistance and good fusing consistency. Their small size facilitates easy installation, ensuring safety and reliability. These resistors are widely used in electronic equipment such as light sources, switching power supplies, chargers, and home appliances. They have obtained VDE, UL/CUL, and CQC safety certifications.
Product Attributes
- Brand: RXF Series
- Manufacturer: Dongguan Hongda Electronic Technology Co., Ltd.
- Origin: China
- Certifications: VDE, UL/CUL (Cert No: E359590), CQC (Cert No: 0.5W-CQC13001095211, 1W-CQC13001095213, 2W-CQC13001095221)
Technical Specifications
Dimensions and Power Ratings
| Model | Rated Power (W) | Dimensions (mm) Dmax. Lmax. | Lead Allowable Length* (mm) | Body Diameter (mm) d0.05 | Body Length (mm) H1 |
|---|---|---|---|---|---|
| RXF 0.25, 0.5S, 1WX | 3.0 | - | 6070 | 0.380.45 | 1 |
| 0.5, 1S, 2WX | 4.0 | - | 6090 | 0.430.60 | 1.5 |
| 1, 2S, 3WX | 5.0 | - | 6070 | 0.540.72 | - |
| 2, 3S | 6.0 | - | 6080 | 0.600.72 | - |
Electrical Specifications
| Model | Rated Power (W) | Resistance Range () | Resistance Tolerance (%) | Insulation Voltage (V) (DC or AC Peak) | Component Limit Voltage (V) |
|---|---|---|---|---|---|
| RXF 0.25, 0.5S, 1X | - | 0.22-300 | 5, 10 | 250 | 200 |
| 0.5, 1S, 2X | - | 250 | - | 350 | 350 |
| 1, 2S, 3X | - | - | - | 350 | 350 |
| 2, 3S | - | 0.22-47 | - | 500 | 350 |
General Data
| Parameter | Value |
|---|---|
| Nominal Resistance Tolerance | 5%, 10% |
| Climatic Category | 55/155/21 |
| Low Air Pressure | 8.5kpa |
| Stability Grade | 5% |
| Resistance Change Limit (Long-term) | (5%R+0.1) |
| Resistance Change Limit (Short-term) | (1%R+0.05) |
| Temperature Coefficient (Standard) | 350 ppm |
| Temperature Coefficient (Semi-fusing, Explosion-proof, High Surge) | 35001500 ppm |
| Rated Current | I(A) = P(W)/R() |
| Derating Curve | Figure 2 (Rated power is maximum continuous operating power at 70; derate according to curve above 70) |
| Fusing Characteristic | Defined as significant increase in resistance when subjected to specified overload, causing current to drop below 1/50 of initial test current. Fusing time is the time from application of overload to fusing. |
| Fusing Time Requirement (Standard/High Surge) | See Table 3-1 |
| Fusing Time Requirement (Explosion-proof) | See Table 3-2 |
| Fusing Time Requirement (Semi-fusing) | See Table 3-3 |
| Surge Resistance Performance | Figure 3 (Test: Repeatedly switch K1 on/off 100 times, 2S on/2S off. Resistor should not be open-circuited.) |
Main Test Items, Methods, and Performance Requirements
| No. | Test Item | Test Method | Performance Requirement |
|---|---|---|---|
| 1 | Resistance | Measured by resistance error sorter. | Resistance value within nominal resistance and allowable deviation. |
| 2 | Short-time Overload | Apply 2.5 times rated voltage for 5S, recover 1-2h, measure resistance, calculate change rate. | Resistance Change: R(2%R+0.05) |
| 3 | Solderability | Dip lead ends in solder pot (2605) for 20.5S, depth 2+0/-0.5mm from body. Observe solder coverage. | Over 90% surface coverage in circumferential direction on dipped part. |
| 4 | Voltage Proof | Place resistor in metal "V" groove, apply specified insulation voltage between leads and groove for 60S. | No visible damage, clear marking; no breakdown, arcing. |
| 5 | Resistance to Soldering Heat | Dip lead ends in solder pot (35010) for 3.50.5S, depth 2+0/-0.5mm from body. Recover 1h, measure resistance, calculate change rate. | Resistance Change: R(1%R+0.05) |
| 6 | Rapid Temperature Change | Cycle: Low temp (-553) (30min), Room temp (2-3min), High temp (1553) (30min), Room temp (2-3min). 5 cycles. Recover 1-2h, measure resistance, calculate change rate. | Resistance Change: R(1%R+0.05) |
| 7 | Endurance | Place in constant temperature chamber (703), apply rated DC voltage, 1.5h on, 0.5h off cycle for 1000h. Recover 1-4h, measure resistance, calculate change rate. | Resistance Change: R(5%R+0.1) |
| 8 | Lead Strength | Tensile: 10N for 10S. Bending: Apply 5N load, tilt body ~90 for 2-3S, recover, bend 90 in opposite direction (2 bends total). | Resistance Change: R(1%R+0.05) |
| 9 | Vibration | Resistor body 61mm from mounting point. Vibration 10-500Hz, amplitude 0.75mm or acceleration 98m/s (whichever is smaller). Directions Z, X, Y axes for 2h each. Period 1min (10-55-10Hz). Test after 6h total. Measure resistance, calculate change rate. | 1) Appearance: No mechanical damage. 2) Resistance Change: R(1%R+0.05) |
| 10 | Climatic Sequence | Dry heat - Cyclic damp heat (Db, 1st cycle) - Cold - Low pressure - Cyclic damp heat (Db, remaining cycles) - DC load. | Resistance Change: R(5%R+0.1). Insulation Resistance: 100M. |
| 11 | Accidental Overload | Install sample in single-layer silk screen cylinder (253mm from body). Apply 5, 10, 16 times rated power overload for 5min or until open circuit. | Silk screen cylinder does not catch fire. |
Packaging and Marking
| Item | Description |
|---|---|
| Taping Style and Dimensions | Figure 4, Table 5 |
| Sleeve Product Style and Dimensions | Figure 5, Table 6 |
| Molded Style and Dimensions | Figure 6, Table 7 |
| Model Specification Naming Explanation | Example: RXF 1W S 10 J (Rated Power, Miniaturization, Resistance Value, Tolerance) |
| Color Ring Marking | See diagram for digit and multiplier codes. Tolerance codes: J (5%), K (10%), M (20%). |
| Packaging Method | Inner box: 1K/reel. Outer box packaging details not specified. |
2304140030_Hongda-RXF-2WS-22R-J-T52_C2149622.pdf
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