ERIKC 0445110432 bosch original fuel injector 0 445 110 432 diesel fuel pump injecion 0445 110 432 for JAC

ERIKC 0445110432 bosch original fuel injector 0 445 110 432 diesel fuel pump injecion 0445 110 432 for JAC

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Mainly producing and selling CR injectors, nozzles, control valves, valve bonnets, CRIN repair kits, injector adjusting shims, common rail injector testers and repair tools. Besides our own brand "HAOTENG" and "DYD", we are also the sole agent of UK ERIKC (the former OEM factory of famous international brand common rail Parts).

Injector FAQ

FAQ: Most injectors fall into two categories: High or Low Impedance

ERIKC Answer: High Impedance.

These have a typical coil resistance of 12 – 16 ohms and are the most commonly used. Drive circuitry for this type of injector is simple and sometimes referred to as a saturated driver circuit.

Low Impedance.

Low Impedance Injectors has normally a coil resistance of 4 ohms or less and is typically found in larger sized or high performance injectors. Driver circuitry for these types is called a Peak - Hold type and is more complex and costs more than the saturated type.

In a Peak - Hold system, the driver circuit allows a high current for a short time to help turn the injector on quickly. The current is then reduced to a lesser value to keep the injector open. Peak current may be 4 amps to open the injector. Once open, the current might be reduced to as little as 0.75 amps.

With the lower coil resistance, the internal spring pressure that holds the pintle closed can be increased to shut the injector quicker. This allows both faster opening and closing times and makes tuning large injectors easier.

Peak – Hold systems reduce the power requirements to the injector coil thus keeping the coils from overheating.