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Specifications
Insulation Resistance(IR):
10MΩ
Operating Temperature:
-25℃~+105℃
DC Resistance(DCR):
300mΩ
Voltage Rating - DC:
120V
Mfr. Part #:
CMM21T-121M-N
Package:
SMD-4P,2.1x1.3mm
Key Attributes
Model Number:
CMM21T-121M-N
Product Description
Product Overview
The CMM Series SMD Common Mode Choke, developed by Chilisin, offers excellent noise attenuation in a compact SMD package. Designed for automated assembly, these chokes are ideal for a wide range of applications including USB 2.0, IEEE1394b, and LVDS interfaces. They provide effective noise suppression across a broad impedance range (30 ~ 2200) and are RoHS compliant, ensuring suitability for modern electronic designs. Chilisin also offers custom design services to meet specific requirements.
Product Attributes
- Brand: Chilisin
- Product Series: CMM Series
- Compliance: RoHS Compliant
- Assembly: Miniature SMD type for fully automated assembly
- Solderability: Excellent
- Operating Temperature Range: -25 to 105 (Including self-temperature rise)
Technical Specifications
CMM Series - General Features
| Feature | Description |
|---|---|
| Impedance Range | 30 ~ 2200 |
| Test Frequency | 100 MHz |
| Tolerance | 20% (M code) |
| Packaging | Tape and Reel (T code) |
| Test Instruments | HP4291A, CH502BC/HP4338B, Agilent/HP4339B |
CMM21 Series Electrical Characteristics
| Part Number | Impedance () | Test Frequency (MHz) | Tolerance (%) | Idc (mA) | Max Rated Voltage (Vdc) | Rdc () Max | Insulation Resistance (M) Min |
|---|---|---|---|---|---|---|---|
| CMM21T-300M-N | 30 | 100 | 20 | 450 | 120 | 0.20 | 10 |
| CMM21T-670M-N | 67 | 100 | 20 | 400 | 120 | 0.25 | 10 |
| CMM21T-900M-N | 90 | 100 | 20 | 330 | 120 | 0.35 | 10 |
| CMM21T-121M-N | 120 | 100 | 20 | 370 | 120 | 0.30 | 10 |
| CMM21T-161M-N | 160 | 100 | 20 | 350 | 120 | 0.35 | 10 |
| CMM21T-181M-N | 180 | 100 | 20 | 330 | 120 | 0.35 | 10 |
| CMM21T-201M-N | 200 | 100 | 20 | 330 | 120 | 0.35 | 10 |
| CMM21T-221M-N | 220 | 100 | 20 | 310 | 120 | 0.35 | 10 |
| CMM21T-261M-N | 260 | 100 | 20 | 300 | 120 | 0.40 | 10 |
| CMM21T-301M-N | 300 | 100 | 20 | 290 | 120 | 0.40 | 10 |
| CMM21T-361M-N | 360 | 100 | 20 | 280 | 120 | 0.45 | 10 |
| CMM21T-371M-N | 370 | 100 | 20 | 280 | 120 | 0.45 | 10 |
| CMM21T-501M-N | 500 | 100 | 20 | 170 | 120 | 0.55 | 10 |
| CMM21T-671M-N | 670 | 100 | 20 | 140 | 120 | 0.60 | 10 |
| CMM21T-901M-N | 900 | 100 | 20 | 80 | 120 | 0.60 | 10 |
CMM31 Series Electrical Characteristics
| Part Number | Impedance () | Test Frequency (MHz) | Tolerance (%) | Idc (mA) | Max Rated Voltage (Vdc) | Rdc () Max | Insulation Resistance (M) Min |
|---|---|---|---|---|---|---|---|
| CMM31T-900M-N | 90 | 100 | 20 | 370 | 50 | 0.3 | 10 |
| CMM31T-161M-N | 160 | 100 | 20 | 340 | 50 | 0.4 | 10 |
| CMM31T-221M-N | 220 | 100 | 20 | 320 | 50 | 0.4 | 10 |
| CMM31T-261M-N | 260 | 100 | 20 | 310 | 50 | 0.5 | 10 |
| CMM31T-601M-N | 600 | 100 | 20 | 260 | 50 | 0.8 | 10 |
| CMM31T-102M-N | 1000 | 100 | 20 | 230 | 50 | 1.0 | 10 |
| CMM31T-222M-N | 2200 | 100 | 20 | 200 | 50 | 1.2 | 10 |
Dimensions and Recommended Pattern (mm)
| TYPE | Shapes and Dimensions | Recommended Pattern Dimensions | |||||||
|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | A | B | C | D | |
| CMM21 | 2.050.2 | 1.250.2 | 1.200.2 | 0.50 | 0.58 | 0.50 | 1.20 | 0.80 | 2.60 |
| CMM31 | 3.200.2 | 1.600.2 | 1.900.2 | 0.60 | 0.60 | 0.40 | 1.60 | 1.60 | 3.70 |
Packaging Specifications (mm)
| TYPE | Tape Dimensions | Reel Dimensions | Quantity PCS / Reel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | T | W | P | F | K | A | B | C | D | ||
| CMM21 | 1.50 | 2.25 | 0.24 | 8 | 4 | 3.5 | 1.45 | 178 | 60 | 12 | 1.5 | 2000 |
| CMM31 | 1.76 | 3.47 | 0.22 | 8 | 4 | 3.5 | 2.05 | 178 | 60 | 12 | 1.5 | 2000 |
Applications
- USB line for personal computers and peripherals
- IEEE 1394 line for personal computers, DVC, STB
- LVDS, panel line for liquid display panels, graphics cards
2508141725_Chilisin-CMM21T-121M-N_C280251.pdf
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