A valve, comprising: a housing comprising a bottom plate, a first fluid port and a second fluid port; an actuator component arranged such that the bottom plate of the housing engages the actuator component, the actuator component comprising: - a carrier attachable to the housing; - a plunger (125, 125-1, 125-2, 125-3) arranged on the carrier and comprising a sealing surface arranged at a top end of the plunger (125, 125-1, 125-2, 125-3); - a shape memory alloy actuator (151, 152) arranged co-linearly with the plunger (125, 125-1, 125-2, 125-3) between the carrier and the plunger (125, 125-1, 125-2, 125-3) and configured to exert an actuation force onto the plunger (125, 125-1, 125-2, 125-3); - electrical pins; and - a spring co-linearly arranged with the plunger (125, 125-1, 125-2, 125-3) between the carrier and the plunger (125, 125-1, 125-2, 125-3) and configured to exert a bias force onto the plunger (125, 125-1, 125-2, 125-3), wherein the actuator component is arranged such that the sealing surface of the plunger (125, 125-1, 125-2, 125-3) can sealingly engage the first fluid port, and wherein the actuator component is arranged in-between the first fluid port and the second fluid port of the housing in a fluid flow path between the first fluid port and the second fluid port; and a circuit board comprising circuitry (701, 705) configured to provide an electrical current to actuate the shape memory alloy actuator (151, 152), wherein the housing is at least partly arranged between the circuit board and the carrier, and wherein the housing comprises through holes formed in the bottom plate and configured to receive the electrical pins of the actuator component extending towards and coupled to the circuit board. a housing comprising a bottom plate, a first fluid port and a second fluid port; an actuator component arranged such that the bottom plate of the housing engages the actuator component, the actuator component comprising: - a carrier attachable to the housing; - a plunger (125, 125-1, 125-2, 125-3) arranged on the carrier and comprising a sealing surface arranged at a top end of the plunger (125, 125-1, 125-2, 125-3); - a shape memory alloy actuator (151, 152) arranged co-linearly with the plunger (125, 125-1, 125-2, 125-3) between the carrier and the plunger (125, 125-1, 125-2, 125-3) and configured to exert an actuation force onto the plunger (125, 125-1, 125-2, 125-3); - electrical pins; and - a spring co-linearly arranged with the plunger (125, 125-1, 125-2, 125-3) between the carrier and the plunger (125, 125-1, 125-2, 125-3) and configured to exert a bias force onto the plunger (125, 125-1, 125-2, 125-3), wherein the actuator component is arranged such that the sealing surface of the plunger (125, 125-1, 125-2, 125-3) can sealingly engage the first fluid port, and wherein the actuator component is arranged in-between the first fluid port and the second fluid port of the housing in a fluid flow path between the first fluid port and the second fluid port; and - a carrier attachable to the housing; - a plunger (125, 125-1, 125-2, 125-3) arranged on the carrier and comprising a sealing surface arranged at a top end of the plunger (125, 125-1, 125-2, 125-3); - a shape memory alloy actuator (151, 152) arranged co-linearly with the plunger (125, 125-1, 125-2, 125-3) between the carrier and the plunger (125, 125-1, 125-2, 125-3) and configured to exert an actuation force onto the plunger (125, 125-1, 125-2, 125-3); - electrical pins; and - a spring co-linearly arranged with the plunger (125, 125-1, 125-2, 125-3) between the carrier and the plunger (125, 125-1, 125-2, 125-3) and configured to exert a bias force onto the plunger (125, 125-1, 125-2, 125-3), wherein the actuator component is arranged such that the sealing surface of the plunger (125, 125-1, 125-2, 125-3) can sealingly engage the first fluid port, and wherein the actuator component is arranged in-between the first fluid port and the second fluid port of the housing in a fluid flow path between the first fluid port and the second fluid port; and a circuit board comprising circuitry (701, 705) configured to provide an electrical current to actuate the shape memory alloy actuator (151, 152), wherein the housing is at least partly arranged between the circuit board and the carrier, and wherein the housing comprises through holes formed in the bottom plate and configured to receive the electrical pins of the actuator component extending towards and coupled to the circuit board.