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CM1224-04MR

onsemi · ESD Protection Devices · MSOP-10

CM1224-04MR from onsemi, in a MSOP-10. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CH1 bidirectional ESD protection channel 1; the DC voltage at any channel input must stay between (VN − 0.5) V and (VP + 0.5) V, and it is rated for ±8 kV contact discharge per IEC 61000-4-2.
2 NC unconnected No-connect pin, not used in the device.
3 VP power_in Positive voltage supply rail; the operating supply voltage (VP − VN) is 3.3 V to 5.5 V, with an absolute maximum of 6.0 V.
4 CH2 bidirectional ESD protection channel 2; the DC voltage at any channel input must stay between (VN − 0.5) V and (VP + 0.5) V, and it is rated for ±8 kV contact discharge per IEC 61000-4-2.
5 NC unconnected No-connect pin, not used in the device.
6 CH3 bidirectional ESD protection channel 3; the DC voltage at any channel input must stay between (VN − 0.5) V and (VP + 0.5) V, and it is rated for ±8 kV contact discharge per IEC 61000-4-2.
7 NC unconnected No-connect pin, not used in the device.
8 VN power_in Negative voltage supply rail; the supply voltage (VP − VN) must not exceed 6.0 V.
9 CH4 bidirectional ESD protection channel 4; the DC voltage at any channel input must stay between (VN − 0.5) V and (VP + 0.5) V, and it is rated for ±8 kV contact discharge per IEC 61000-4-2.
10 NC unconnected No-connect pin, not used in the device.

Key specifications

Parameter Value
Manufacturer onsemi
Package MSOP-10
Category TVS/Fuse/Board Level Protection
Pins 10

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Supply Voltage (VP − VN) 6 V 3
Operating Temperature Range -40 85 °C 3
Storage Temperature Range -65 150 °C 3
Operating Temperature Range -40 85 °C 4
Package Power Rating 400 mW MSOP-10 Package 4
Operating Supply Voltage (VP−VN) VP 3.3 5.5 V 4
Operating Supply Current (VP−VN) IP 8 A (VP−VN) = 3.3 V 4
Diode Forward Voltage, Top Diode VF 0.6 0.8 0.95 V IF = 8 mA; TA = 25°C 4
Diode Forward Voltage, Bottom Diode VF 0.6 0.8 0.95 V IF = 8 mA; TA = 25°C 4
Channel Leakage Current ILEAK 0.1 1 A TA = 25°C; VP = 5 V, VN = 0 V 4
Channel Input Capacitance CIN 0.6 0.7 0.8 pF At 1 MHz, VP = 3.3 V, VN = 0 V, VIN = 1.65 V 4
ESD Protection − Peak Discharge Voltage at any channel input (contact discharge per IEC 61000-4-2) VESD -8 8 kV TA = 25°C (Notes 2 and 3) 4

CAD (KiCad official)

  • Symbol: CM1224-04MR
  • Footprint: Package_SO:MSOP-10_3x3mm_P0.5mm
  • 3D model: MSOP-10 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: onsemi datasheet (12 pp, sha256 35f598f47d0913cd, retrieved 2026-10-31, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF