<
>
Specifications
Insulation Resistance(IR):
10MΩ
Operating Temperature:
-25℃~+105℃
DC Resistance(DCR):
350mΩ
Voltage Rating - DC:
120V
Mfr. Part #:
CMM21T-221M-N
Package:
SMD-4P,2.1x1.3mm
Key Attributes
Model Number:
CMM21T-221M-N
Product Description
Product Overview
The CMM Series SMD Common Mode Choke, based on Chilisins technical expertise, offers excellent noise attenuation in a compact size. Designed for applications like USB 2.0, IEEE1394b, and LVDS, these chokes are ideal for personal computers, peripherals, digital video cameras (DVC), set-top boxes (STB), liquid display panels, and graphics cards. They feature a miniature SMD type for automated assembly and a wide impedance range for effective noise suppression. Chilisin welcomes inquiries for standard series or custom design services.
Product Attributes
- RoHS Compliant
- Miniature SMD type
- Wide Impedance range (30 ~ 2200)
- Excellent Solderability
- Operating temperature range: -25 to 105 (including self-temperature rise)
Technical Specifications
CMM Series - Shapes and Dimensions
| TYPE | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) |
|---|---|---|---|---|---|
| CMM21 | 2.050.2 | 1.250.2 | 1.200.2 | 0.50 | 0.58 |
| CMM31 | 3.200.2 | 1.600.2 | 1.900.2 | 0.60 | 0.60 |
Recommended Pattern Dimensions
| TYPE | A (mm) | B (mm) | C (mm) | D (mm) |
|---|---|---|---|---|
| CMM21 | 0.50 | 1.20 | 0.80 | 2.60 |
| CMM31 | 0.40 | 1.60 | 1.60 | 3.70 |
Electrical Characteristics - CMM21 Series
| 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 |
Electrical Characteristics - CMM31 Series
| 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 |
Packaging Specifications
| TYPE | A (mm) | B (mm) | T (mm) | W (mm) | P (mm) | F (mm) | K (mm) | Reel Diameter (mm) | Hub Diameter (mm) | Tape Width (mm) | Quantity (PCS / Reel) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CMM21 | 1.50 | 2.25 | 0.24 | 8 | 4 | 3.5 | 1.45 | 178 | 60 | 12 | 2000 |
| CMM31 | 1.76 | 3.47 | 0.22 | 8 | 4 | 3.5 | 2.05 | 178 | 60 | 12 | 2000 |
Notes on Ordering and Testing:
- When ordering, please specify tolerance and packaging codes.
- Tolerance: M = 20%
- Packaging: Clear tape and reel {standard}.
- Test Instruments: HP4291A Material/Impedance Analyzer
- Rdc (single line) measurement instruments: CH502BC / HP4338B
- Insulation Resistance measurement instruments: Agilent /HP4339B
2508141725_Chilisin-CMM21T-221M-N_C280252.pdf
Request A Quote
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
