onsemi EMI2121MTTAG

View All Common Mode Chokes by onsemi

Part Number:
EMI2121MTTAG
Manufacturer:
onsemi
Category:
Common Mode Chokes
RoHs:
Non-RoHS Compliant
Datasheet:
Description:
2 Line Common Mode Choke Surface Mount 100mA DCR 8Ohm (Typ)
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Overview

EMI2121MTTAG Product Information Summary

1. Basic Overview

Part Number: EMI2121MTTAG
Alternative Part: SZEMI2121MTTAG (automotive grade, AEC‑Q101 qualified, PPAP capable)
Type: Single Pair Common Mode Filter (CMF) with ESD Protection
Manufacturer: onsemi (Semiconductor Components Industries, LLC)
Package: WDFN8 (CASE 511BN), RoHS‑compliant, Pb‑free, halogen free/BFR free
Application: High‑speed serial digital interfaces (USB 2.0, MIPI D‑PHY, mobile phones, digital still cameras, automotive interfaces)
Shipping: 3000 units per tape & reel

2. Key Features

Integrated common mode filtering + ESD protection for cost and space savings vs. discrete solutions
Differential mode cutoff frequency >2 GHz
High common mode attenuation: >25 dB @ 700 MHz, >30 dB @ 800 MHz (typical)
ESD protection: IEC 61000‑4‑2 Level 4, ±12 kV contact discharge (external pins)
Low channel input capacitance for excellent impedance matching
Small form factor: WDFN8 2.0 mm × 2.2 mm × 0.75 mm
Low profile, lead‑free and green packaging

3. Pin Configuration (Top View)

Pin No.	Pin Name	Type	Description
1	In_1+	I/O	CMF Channel 1+ (connector side)
2	In_1−	I/O	CMF Channel 1− (connector side)
8	Out_1+	I/O	CMF Channel 1+ (ASIC side)
7	Out_1−	I/O	CMF Channel 1− (ASIC side)
6	VDD/ID	I/O	Supply/ID pin protection (connector side)
3, 4, 5	GND	GND	Ground

4. Maximum Ratings (TA = 25°C)

Operating temperature: −40°C to +85°C
Storage temperature: −65°C to +150°C
Soldering temperature (10s, 1/8” from case): 260°C
DC current per line: 100 mA

5. Electrical Characteristics (TA = 25°C)

Channel input capacitance (CIN): 0.8 – 1.3 pF
Channel resistance (Rch): 8.0 Ω
Differential mode cutoff frequency (f3dB): 2.0 GHz
ESD withstand voltage (VESD): ±12 kV (external), ±2 kV (internal)
Reverse working voltage (VRWM): 5.0 V
Breakdown voltage (VBR): 5.5 – 9.0 V @ IT = 1 mA
Peak pulse current (IPP): 12 A (8/20 μs waveform)
Clamping voltage (VC): 10 V @ IPP = 5 A (Pin 6 to GND)
TLP clamping voltage: 13–16 V (forward), −6 to −8.5 V (reverse)

6. Mechanical Specifications

Package dimensions: 2.0 mm (width) × 2.2 mm (length) × 0.75 mm (height)
Pitch: 0.5 mm
Coplanarity: Applicable to exposed pad and terminals
Marking: Device code, date code, Pb‑free indicator

7. Protection & Compliance

ESD: IEC 61000‑4‑2 Level 4 (±12 kV contact)
Qualification: AEC‑Q101 (SZ prefix version)
Environment: RoHS, Pb‑free, halogen free/BFR free

8. Typical Application Circuits

USB 2.0 (Micro USB) interface protection
High‑speed differential data line filtering and ESD protection
MIPI D‑PHY signal conditioning

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