Datasheet 3D Model

ZF3205-AE LLC Half-Bridge Transformers

for AHV85312 eval board by Allegro MicroSystems

The ZF3205-AE is an automotive grade transformer designed for EV and HEV power electronics. It features low interwinding capacitance to minimize EMI and deliver exceptionally high Common Mode Transient Immunity (CMTI), making it ideal for On-Board Chargers (OBCs), DC-DC converters, and traction inverter applications. Designed for reliability in high power environments and fully AEC-Q200 qualified, it ensures robust performance under the rigorous electrical, thermal, and vibration conditions required in modern electric vehicle systems.

Optimized for AHV85312 eval board by Allegro MicroSystems
Low interwinding capacitance to minimize EMI and achieve high CMTI
Ideal for automotive OBC and traction Inverters in EV/HEV
AEC-Q200 qualified

Buy Now:

Count	Unit price
1	$3.95
100	$3.23
400	$2.42
800	$1.46
1000	$1.14

For high volume or non-stock items, request a quote.

Termination

R = Tin over nickel over silver glass frit

Packaging

C = 7" machine-ready reel

. in stock, ready to ship today.

Request a Sample:

Specifications

Electrical specifications at 25°C.

Part number 1 (Hover for schematics)	Inductance at 0A (µH) 2 (Tolerance: ±25%)	DCR max 3		Leakage Inductance ±20% (µH) 4	Turns Ratio	Capacitance max (pF) 5	Isolation Voltage (Vrms) 6
Part number 1 (Hover for schematics)	Inductance at 0A (µH) 2 (Tolerance: ±25%)	Pri (Ω)	Sec (Ω)	Leakage Inductance ±20% (µH) 4	Pri : Sec	Capacitance max (pF) 5	Isolation Voltage (Vrms) 6
ZF3205-AEC	20	0.18	0.30	2	1 : 1.7	0.6	3535

Notes

When ordering, please specify packaging code: e.g. ZF3205-AEC
Inductance measured at 1 MHz, 0.1 Vrms, 0 ADC on an Agilent 4263B (or equivalent).
DCR is measured on a Keithley 580 Micro-ohmmeter (or equivalent).
Leakage Inductance LL is measured at 1 MHz, 0.1 Vrms with pins 3 and 4 shorted.
Interwinding capacitance is measured at 250 kHz, 0.1 Vrms across pins 1 – 4 with pins 2 and 3 open.
5000 VDC / 3535 Vrms, one minute isolation (hipot) measured between primary and secondary.

Designed per IEC 61558-1 to meet the following requirements. Please contact [email protected] for questions about suitability for use in other application conditions.

Reinforced insulation example	Basic insulation example
Working voltage 400 V	Working voltage 800 V
Altitude 2500 m	Altitude 2500 m
Overvoltage category II	Overvoltage category II
Pollution degree 2	Pollution degree 2

5.9 mm creepage and clearance between primary and secondary windings with Material Group IIIa.

Termination:

RoHS compliant tin over nickel over silver glass frit.

Packaging:

C = 7" machine-ready reel
EIA 481 embossed plastic tape (400 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
D = 13" machine-ready reel
EIA 481 embossed plastic tape. Factory order only, not stocked (1200 parts per full reel).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

−40°C to +125°C

Storage temperature range:

Component: −40°C to +140°C
Tape and reel packaging: −40°C to +80°C

Maximum part temperature:

+140°C

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Schematics

Physical characteristics

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
400	1200*	178/330	60/100	13	30,4	24,4	24	8	4	2	5,5	0,40

* Special order

General specification

Core Material:

Ferrite

Weight:

0.53 − 0.54 g

Packaging:

400/7" reel; 1200/13" reel Plastic tape: 24 mm wide, 0.4 mm thick, 8 mm pocket spacing, 5.5 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles.

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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ZF3205-AE LLC Half-Bridge Transformers

for AHV85312 eval board by Allegro MicroSystems

Selected configuration not available

Specifications

Termination:

Packaging:

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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