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ZA9710-AED Flyback Transformer for Texas Instruments

RoHS compliant halogen free AEC-Q flag
  • Designed for UCC5870-Q1 IGBT/SiC isolated gate driver for Texas Instruments
  • Optimized for 300kHz with 4.5 – 70 V input
  • 3000 Vrms, 1 minute isolation (hipot) between primary and secondary
  • RoHS-compliant. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze terminations
  • AEC-Q200 Grade 1 (–40°C to +125°C)

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Typical Application

Works with Texas Instruments UCC5870-Q1

Input Voltage Output Power Fsw
Sec1 Sec2
4.5 V 70 V 15 V , 0.2 A 8 V , 0.2 A 4.6 W 300 kHz


Electrical specifications at 25°C.

Part number
(Hover for schematics)
at 0A (µH) 1
(Tolerance: ±10%)
Isat (A) DCR max (Ω) Leakage
max (µH) 3
Turns Ratio Isolation
Voltage (Vrms) 4
Pri Sec1 Sec2 Pri : Sec1 : Sec2
ZA9710-AED 30.0 3.3 0.169 0.324 0.190 0.350 1 : 1 : 0.53 3000
  1. Inductance is for the primary, measured at 300 kHz, 0.1 Vrms, 0 Adc.
  2. DC current that causes the primary inductance drop 30% from its value without current.
  3. Leakage inductance is for the primary and is measured with the secondary shorted.
  4. 3000 Vrms, one minute isolation (hipot) between windings.


  • RoHS tin-silver-copper over tin over nickel over phos bronze. Other terminations available at additional cost.


  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (350 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
RoHS compliant , halogen free
Ambient temperature range:
–40°C to +125°C
Storage temperature range:
Component: –40°C to +125°C
Tape and reel packaging: –40°C to +80°C
Maximum part temperature:
+165°C (ambient + temp rise)
Failures in Time (FIT) / Mean Time Between Failures (MTBF):



Physical characteristics



Tape and Reel specification


Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_c-(4).gif
175 330 100 13 38,4 32,4 32 28 4 2 12,93 0,5

General specification

Core Material:
2.7 g
350 per 13″ reel Plastic tape: 24 mm wide, 0.5 mm thick, 16 mm pocket spacing, 10.4 mm pocket depth


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. See Doc787_PCB_Washing.